File: | clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 6391, column 7 Called C++ object pointer is null |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | ||||
2 | // | ||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||
6 | // | ||||
7 | //===----------------------------------------------------------------------===// | ||||
8 | /// \file | ||||
9 | /// This file implements semantic analysis for OpenMP directives and | ||||
10 | /// clauses. | ||||
11 | /// | ||||
12 | //===----------------------------------------------------------------------===// | ||||
13 | |||||
14 | #include "TreeTransform.h" | ||||
15 | #include "clang/AST/ASTContext.h" | ||||
16 | #include "clang/AST/ASTMutationListener.h" | ||||
17 | #include "clang/AST/CXXInheritance.h" | ||||
18 | #include "clang/AST/Decl.h" | ||||
19 | #include "clang/AST/DeclCXX.h" | ||||
20 | #include "clang/AST/DeclOpenMP.h" | ||||
21 | #include "clang/AST/StmtCXX.h" | ||||
22 | #include "clang/AST/StmtOpenMP.h" | ||||
23 | #include "clang/AST/StmtVisitor.h" | ||||
24 | #include "clang/AST/TypeOrdering.h" | ||||
25 | #include "clang/Basic/DiagnosticSema.h" | ||||
26 | #include "clang/Basic/OpenMPKinds.h" | ||||
27 | #include "clang/Basic/PartialDiagnostic.h" | ||||
28 | #include "clang/Sema/Initialization.h" | ||||
29 | #include "clang/Sema/Lookup.h" | ||||
30 | #include "clang/Sema/Scope.h" | ||||
31 | #include "clang/Sema/ScopeInfo.h" | ||||
32 | #include "clang/Sema/SemaInternal.h" | ||||
33 | #include "llvm/ADT/IndexedMap.h" | ||||
34 | #include "llvm/ADT/PointerEmbeddedInt.h" | ||||
35 | #include "llvm/ADT/STLExtras.h" | ||||
36 | #include "llvm/Frontend/OpenMP/OMPConstants.h" | ||||
37 | using namespace clang; | ||||
38 | using namespace llvm::omp; | ||||
39 | |||||
40 | //===----------------------------------------------------------------------===// | ||||
41 | // Stack of data-sharing attributes for variables | ||||
42 | //===----------------------------------------------------------------------===// | ||||
43 | |||||
44 | static const Expr *checkMapClauseExpressionBase( | ||||
45 | Sema &SemaRef, Expr *E, | ||||
46 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||
47 | OpenMPClauseKind CKind, bool NoDiagnose); | ||||
48 | |||||
49 | namespace { | ||||
50 | /// Default data sharing attributes, which can be applied to directive. | ||||
51 | enum DefaultDataSharingAttributes { | ||||
52 | DSA_unspecified = 0, /// Data sharing attribute not specified. | ||||
53 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. | ||||
54 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. | ||||
55 | }; | ||||
56 | |||||
57 | /// Stack for tracking declarations used in OpenMP directives and | ||||
58 | /// clauses and their data-sharing attributes. | ||||
59 | class DSAStackTy { | ||||
60 | public: | ||||
61 | struct DSAVarData { | ||||
62 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||
63 | OpenMPClauseKind CKind = OMPC_unknown; | ||||
64 | const Expr *RefExpr = nullptr; | ||||
65 | DeclRefExpr *PrivateCopy = nullptr; | ||||
66 | SourceLocation ImplicitDSALoc; | ||||
67 | DSAVarData() = default; | ||||
68 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | ||||
69 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, | ||||
70 | SourceLocation ImplicitDSALoc) | ||||
71 | : DKind(DKind), CKind(CKind), RefExpr(RefExpr), | ||||
72 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc) {} | ||||
73 | }; | ||||
74 | using OperatorOffsetTy = | ||||
75 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; | ||||
76 | using DoacrossDependMapTy = | ||||
77 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; | ||||
78 | |||||
79 | private: | ||||
80 | struct DSAInfo { | ||||
81 | OpenMPClauseKind Attributes = OMPC_unknown; | ||||
82 | /// Pointer to a reference expression and a flag which shows that the | ||||
83 | /// variable is marked as lastprivate(true) or not (false). | ||||
84 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; | ||||
85 | DeclRefExpr *PrivateCopy = nullptr; | ||||
86 | }; | ||||
87 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; | ||||
88 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; | ||||
89 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; | ||||
90 | using LoopControlVariablesMapTy = | ||||
91 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; | ||||
92 | /// Struct that associates a component with the clause kind where they are | ||||
93 | /// found. | ||||
94 | struct MappedExprComponentTy { | ||||
95 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | ||||
96 | OpenMPClauseKind Kind = OMPC_unknown; | ||||
97 | }; | ||||
98 | using MappedExprComponentsTy = | ||||
99 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; | ||||
100 | using CriticalsWithHintsTy = | ||||
101 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; | ||||
102 | struct ReductionData { | ||||
103 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; | ||||
104 | SourceRange ReductionRange; | ||||
105 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | ||||
106 | ReductionData() = default; | ||||
107 | void set(BinaryOperatorKind BO, SourceRange RR) { | ||||
108 | ReductionRange = RR; | ||||
109 | ReductionOp = BO; | ||||
110 | } | ||||
111 | void set(const Expr *RefExpr, SourceRange RR) { | ||||
112 | ReductionRange = RR; | ||||
113 | ReductionOp = RefExpr; | ||||
114 | } | ||||
115 | }; | ||||
116 | using DeclReductionMapTy = | ||||
117 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; | ||||
118 | struct DefaultmapInfo { | ||||
119 | OpenMPDefaultmapClauseModifier ImplicitBehavior = | ||||
120 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||
121 | SourceLocation SLoc; | ||||
122 | DefaultmapInfo() = default; | ||||
123 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) | ||||
124 | : ImplicitBehavior(M), SLoc(Loc) {} | ||||
125 | }; | ||||
126 | |||||
127 | struct SharingMapTy { | ||||
128 | DeclSAMapTy SharingMap; | ||||
129 | DeclReductionMapTy ReductionMap; | ||||
130 | UsedRefMapTy AlignedMap; | ||||
131 | UsedRefMapTy NontemporalMap; | ||||
132 | MappedExprComponentsTy MappedExprComponents; | ||||
133 | LoopControlVariablesMapTy LCVMap; | ||||
134 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | ||||
135 | SourceLocation DefaultAttrLoc; | ||||
136 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; | ||||
137 | OpenMPDirectiveKind Directive = OMPD_unknown; | ||||
138 | DeclarationNameInfo DirectiveName; | ||||
139 | Scope *CurScope = nullptr; | ||||
140 | SourceLocation ConstructLoc; | ||||
141 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | ||||
142 | /// get the data (loop counters etc.) about enclosing loop-based construct. | ||||
143 | /// This data is required during codegen. | ||||
144 | DoacrossDependMapTy DoacrossDepends; | ||||
145 | /// First argument (Expr *) contains optional argument of the | ||||
146 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | ||||
147 | /// clause, false otherwise. | ||||
148 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; | ||||
149 | unsigned AssociatedLoops = 1; | ||||
150 | bool HasMutipleLoops = false; | ||||
151 | const Decl *PossiblyLoopCounter = nullptr; | ||||
152 | bool NowaitRegion = false; | ||||
153 | bool CancelRegion = false; | ||||
154 | bool LoopStart = false; | ||||
155 | bool BodyComplete = false; | ||||
156 | SourceLocation InnerTeamsRegionLoc; | ||||
157 | /// Reference to the taskgroup task_reduction reference expression. | ||||
158 | Expr *TaskgroupReductionRef = nullptr; | ||||
159 | llvm::DenseSet<QualType> MappedClassesQualTypes; | ||||
160 | SmallVector<Expr *, 4> InnerUsedAllocators; | ||||
161 | /// List of globals marked as declare target link in this target region | ||||
162 | /// (isOpenMPTargetExecutionDirective(Directive) == true). | ||||
163 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; | ||||
164 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | ||||
165 | Scope *CurScope, SourceLocation Loc) | ||||
166 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | ||||
167 | ConstructLoc(Loc) {} | ||||
168 | SharingMapTy() = default; | ||||
169 | }; | ||||
170 | |||||
171 | using StackTy = SmallVector<SharingMapTy, 4>; | ||||
172 | |||||
173 | /// Stack of used declaration and their data-sharing attributes. | ||||
174 | DeclSAMapTy Threadprivates; | ||||
175 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | ||||
176 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | ||||
177 | /// true, if check for DSA must be from parent directive, false, if | ||||
178 | /// from current directive. | ||||
179 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | ||||
180 | Sema &SemaRef; | ||||
181 | bool ForceCapturing = false; | ||||
182 | /// true if all the variables in the target executable directives must be | ||||
183 | /// captured by reference. | ||||
184 | bool ForceCaptureByReferenceInTargetExecutable = false; | ||||
185 | CriticalsWithHintsTy Criticals; | ||||
186 | unsigned IgnoredStackElements = 0; | ||||
187 | |||||
188 | /// Iterators over the stack iterate in order from innermost to outermost | ||||
189 | /// directive. | ||||
190 | using const_iterator = StackTy::const_reverse_iterator; | ||||
191 | const_iterator begin() const { | ||||
192 | return Stack.empty() ? const_iterator() | ||||
193 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||
194 | } | ||||
195 | const_iterator end() const { | ||||
196 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); | ||||
197 | } | ||||
198 | using iterator = StackTy::reverse_iterator; | ||||
199 | iterator begin() { | ||||
200 | return Stack.empty() ? iterator() | ||||
201 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||
202 | } | ||||
203 | iterator end() { | ||||
204 | return Stack.empty() ? iterator() : Stack.back().first.rend(); | ||||
205 | } | ||||
206 | |||||
207 | // Convenience operations to get at the elements of the stack. | ||||
208 | |||||
209 | bool isStackEmpty() const { | ||||
210 | return Stack.empty() || | ||||
211 | Stack.back().second != CurrentNonCapturingFunctionScope || | ||||
212 | Stack.back().first.size() <= IgnoredStackElements; | ||||
213 | } | ||||
214 | size_t getStackSize() const { | ||||
215 | return isStackEmpty() ? 0 | ||||
216 | : Stack.back().first.size() - IgnoredStackElements; | ||||
217 | } | ||||
218 | |||||
219 | SharingMapTy *getTopOfStackOrNull() { | ||||
220 | size_t Size = getStackSize(); | ||||
221 | if (Size == 0) | ||||
222 | return nullptr; | ||||
223 | return &Stack.back().first[Size - 1]; | ||||
224 | } | ||||
225 | const SharingMapTy *getTopOfStackOrNull() const { | ||||
226 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); | ||||
227 | } | ||||
228 | SharingMapTy &getTopOfStack() { | ||||
229 | assert(!isStackEmpty() && "no current directive")((!isStackEmpty() && "no current directive") ? static_cast <void> (0) : __assert_fail ("!isStackEmpty() && \"no current directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 229, __PRETTY_FUNCTION__)); | ||||
230 | return *getTopOfStackOrNull(); | ||||
231 | } | ||||
232 | const SharingMapTy &getTopOfStack() const { | ||||
233 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); | ||||
234 | } | ||||
235 | |||||
236 | SharingMapTy *getSecondOnStackOrNull() { | ||||
237 | size_t Size = getStackSize(); | ||||
238 | if (Size <= 1) | ||||
239 | return nullptr; | ||||
240 | return &Stack.back().first[Size - 2]; | ||||
241 | } | ||||
242 | const SharingMapTy *getSecondOnStackOrNull() const { | ||||
243 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); | ||||
244 | } | ||||
245 | |||||
246 | /// Get the stack element at a certain level (previously returned by | ||||
247 | /// \c getNestingLevel). | ||||
248 | /// | ||||
249 | /// Note that nesting levels count from outermost to innermost, and this is | ||||
250 | /// the reverse of our iteration order where new inner levels are pushed at | ||||
251 | /// the front of the stack. | ||||
252 | SharingMapTy &getStackElemAtLevel(unsigned Level) { | ||||
253 | assert(Level < getStackSize() && "no such stack element")((Level < getStackSize() && "no such stack element" ) ? static_cast<void> (0) : __assert_fail ("Level < getStackSize() && \"no such stack element\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 253, __PRETTY_FUNCTION__)); | ||||
254 | return Stack.back().first[Level]; | ||||
255 | } | ||||
256 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { | ||||
257 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); | ||||
258 | } | ||||
259 | |||||
260 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; | ||||
261 | |||||
262 | /// Checks if the variable is a local for OpenMP region. | ||||
263 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; | ||||
264 | |||||
265 | /// Vector of previously declared requires directives | ||||
266 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; | ||||
267 | /// omp_allocator_handle_t type. | ||||
268 | QualType OMPAllocatorHandleT; | ||||
269 | /// omp_depend_t type. | ||||
270 | QualType OMPDependT; | ||||
271 | /// Expression for the predefined allocators. | ||||
272 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { | ||||
273 | nullptr}; | ||||
274 | /// Vector of previously encountered target directives | ||||
275 | SmallVector<SourceLocation, 2> TargetLocations; | ||||
276 | SourceLocation AtomicLocation; | ||||
277 | |||||
278 | public: | ||||
279 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | ||||
280 | |||||
281 | /// Sets omp_allocator_handle_t type. | ||||
282 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } | ||||
283 | /// Gets omp_allocator_handle_t type. | ||||
284 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } | ||||
285 | /// Sets the given default allocator. | ||||
286 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||
287 | Expr *Allocator) { | ||||
288 | OMPPredefinedAllocators[AllocatorKind] = Allocator; | ||||
289 | } | ||||
290 | /// Returns the specified default allocator. | ||||
291 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { | ||||
292 | return OMPPredefinedAllocators[AllocatorKind]; | ||||
293 | } | ||||
294 | /// Sets omp_depend_t type. | ||||
295 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } | ||||
296 | /// Gets omp_depend_t type. | ||||
297 | QualType getOMPDependT() const { return OMPDependT; } | ||||
298 | |||||
299 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | ||||
300 | OpenMPClauseKind getClauseParsingMode() const { | ||||
301 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")((isClauseParsingMode() && "Must be in clause parsing mode." ) ? static_cast<void> (0) : __assert_fail ("isClauseParsingMode() && \"Must be in clause parsing mode.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 301, __PRETTY_FUNCTION__)); | ||||
302 | return ClauseKindMode; | ||||
303 | } | ||||
304 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | ||||
305 | |||||
306 | bool isBodyComplete() const { | ||||
307 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
308 | return Top && Top->BodyComplete; | ||||
309 | } | ||||
310 | void setBodyComplete() { | ||||
311 | getTopOfStack().BodyComplete = true; | ||||
312 | } | ||||
313 | |||||
314 | bool isForceVarCapturing() const { return ForceCapturing; } | ||||
315 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | ||||
316 | |||||
317 | void setForceCaptureByReferenceInTargetExecutable(bool V) { | ||||
318 | ForceCaptureByReferenceInTargetExecutable = V; | ||||
319 | } | ||||
320 | bool isForceCaptureByReferenceInTargetExecutable() const { | ||||
321 | return ForceCaptureByReferenceInTargetExecutable; | ||||
322 | } | ||||
323 | |||||
324 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | ||||
325 | Scope *CurScope, SourceLocation Loc) { | ||||
326 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 327, __PRETTY_FUNCTION__)) | ||||
327 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 327, __PRETTY_FUNCTION__)); | ||||
328 | if (Stack.empty() || | ||||
329 | Stack.back().second != CurrentNonCapturingFunctionScope) | ||||
330 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | ||||
331 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | ||||
332 | Stack.back().first.back().DefaultAttrLoc = Loc; | ||||
333 | } | ||||
334 | |||||
335 | void pop() { | ||||
336 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 337, __PRETTY_FUNCTION__)) | ||||
337 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 337, __PRETTY_FUNCTION__)); | ||||
338 | assert(!Stack.back().first.empty() &&((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 339, __PRETTY_FUNCTION__)) | ||||
339 | "Data-sharing attributes stack is empty!")((!Stack.back().first.empty() && "Data-sharing attributes stack is empty!" ) ? static_cast<void> (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 339, __PRETTY_FUNCTION__)); | ||||
340 | Stack.back().first.pop_back(); | ||||
341 | } | ||||
342 | |||||
343 | /// RAII object to temporarily leave the scope of a directive when we want to | ||||
344 | /// logically operate in its parent. | ||||
345 | class ParentDirectiveScope { | ||||
346 | DSAStackTy &Self; | ||||
347 | bool Active; | ||||
348 | public: | ||||
349 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) | ||||
350 | : Self(Self), Active(false) { | ||||
351 | if (Activate) | ||||
352 | enable(); | ||||
353 | } | ||||
354 | ~ParentDirectiveScope() { disable(); } | ||||
355 | void disable() { | ||||
356 | if (Active) { | ||||
357 | --Self.IgnoredStackElements; | ||||
358 | Active = false; | ||||
359 | } | ||||
360 | } | ||||
361 | void enable() { | ||||
362 | if (!Active) { | ||||
363 | ++Self.IgnoredStackElements; | ||||
364 | Active = true; | ||||
365 | } | ||||
366 | } | ||||
367 | }; | ||||
368 | |||||
369 | /// Marks that we're started loop parsing. | ||||
370 | void loopInit() { | ||||
371 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 372, __PRETTY_FUNCTION__)) | ||||
372 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 372, __PRETTY_FUNCTION__)); | ||||
373 | getTopOfStack().LoopStart = true; | ||||
374 | } | ||||
375 | /// Start capturing of the variables in the loop context. | ||||
376 | void loopStart() { | ||||
377 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 378, __PRETTY_FUNCTION__)) | ||||
378 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 378, __PRETTY_FUNCTION__)); | ||||
379 | getTopOfStack().LoopStart = false; | ||||
380 | } | ||||
381 | /// true, if variables are captured, false otherwise. | ||||
382 | bool isLoopStarted() const { | ||||
383 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 384, __PRETTY_FUNCTION__)) | ||||
384 | "Expected loop-based directive.")((isOpenMPLoopDirective(getCurrentDirective()) && "Expected loop-based directive." ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(getCurrentDirective()) && \"Expected loop-based directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 384, __PRETTY_FUNCTION__)); | ||||
385 | return !getTopOfStack().LoopStart; | ||||
386 | } | ||||
387 | /// Marks (or clears) declaration as possibly loop counter. | ||||
388 | void resetPossibleLoopCounter(const Decl *D = nullptr) { | ||||
389 | getTopOfStack().PossiblyLoopCounter = | ||||
390 | D ? D->getCanonicalDecl() : D; | ||||
391 | } | ||||
392 | /// Gets the possible loop counter decl. | ||||
393 | const Decl *getPossiblyLoopCunter() const { | ||||
394 | return getTopOfStack().PossiblyLoopCounter; | ||||
395 | } | ||||
396 | /// Start new OpenMP region stack in new non-capturing function. | ||||
397 | void pushFunction() { | ||||
398 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 399, __PRETTY_FUNCTION__)) | ||||
399 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 399, __PRETTY_FUNCTION__)); | ||||
400 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | ||||
401 | assert(!isa<CapturingScopeInfo>(CurFnScope))((!isa<CapturingScopeInfo>(CurFnScope)) ? static_cast< void> (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 401, __PRETTY_FUNCTION__)); | ||||
402 | CurrentNonCapturingFunctionScope = CurFnScope; | ||||
403 | } | ||||
404 | /// Pop region stack for non-capturing function. | ||||
405 | void popFunction(const FunctionScopeInfo *OldFSI) { | ||||
406 | assert(!IgnoredStackElements &&((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 407, __PRETTY_FUNCTION__)) | ||||
407 | "cannot change stack while ignoring elements")((!IgnoredStackElements && "cannot change stack while ignoring elements" ) ? static_cast<void> (0) : __assert_fail ("!IgnoredStackElements && \"cannot change stack while ignoring elements\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 407, __PRETTY_FUNCTION__)); | ||||
408 | if (!Stack.empty() && Stack.back().second == OldFSI) { | ||||
409 | assert(Stack.back().first.empty())((Stack.back().first.empty()) ? static_cast<void> (0) : __assert_fail ("Stack.back().first.empty()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 409, __PRETTY_FUNCTION__)); | ||||
410 | Stack.pop_back(); | ||||
411 | } | ||||
412 | CurrentNonCapturingFunctionScope = nullptr; | ||||
413 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | ||||
414 | if (!isa<CapturingScopeInfo>(FSI)) { | ||||
415 | CurrentNonCapturingFunctionScope = FSI; | ||||
416 | break; | ||||
417 | } | ||||
418 | } | ||||
419 | } | ||||
420 | |||||
421 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { | ||||
422 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); | ||||
423 | } | ||||
424 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> | ||||
425 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | ||||
426 | auto I = Criticals.find(Name.getAsString()); | ||||
427 | if (I != Criticals.end()) | ||||
428 | return I->second; | ||||
429 | return std::make_pair(nullptr, llvm::APSInt()); | ||||
430 | } | ||||
431 | /// If 'aligned' declaration for given variable \a D was not seen yet, | ||||
432 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||
433 | /// for diagnostics. | ||||
434 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); | ||||
435 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, | ||||
436 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||
437 | /// for diagnostics. | ||||
438 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); | ||||
439 | |||||
440 | /// Register specified variable as loop control variable. | ||||
441 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); | ||||
442 | /// Check if the specified variable is a loop control variable for | ||||
443 | /// current region. | ||||
444 | /// \return The index of the loop control variable in the list of associated | ||||
445 | /// for-loops (from outer to inner). | ||||
446 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; | ||||
447 | /// Check if the specified variable is a loop control variable for | ||||
448 | /// parent region. | ||||
449 | /// \return The index of the loop control variable in the list of associated | ||||
450 | /// for-loops (from outer to inner). | ||||
451 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; | ||||
452 | /// Get the loop control variable for the I-th loop (or nullptr) in | ||||
453 | /// parent directive. | ||||
454 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; | ||||
455 | |||||
456 | /// Adds explicit data sharing attribute to the specified declaration. | ||||
457 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||
458 | DeclRefExpr *PrivateCopy = nullptr); | ||||
459 | |||||
460 | /// Adds additional information for the reduction items with the reduction id | ||||
461 | /// represented as an operator. | ||||
462 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
463 | BinaryOperatorKind BOK); | ||||
464 | /// Adds additional information for the reduction items with the reduction id | ||||
465 | /// represented as reduction identifier. | ||||
466 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
467 | const Expr *ReductionRef); | ||||
468 | /// Returns the location and reduction operation from the innermost parent | ||||
469 | /// region for the given \p D. | ||||
470 | const DSAVarData | ||||
471 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||
472 | BinaryOperatorKind &BOK, | ||||
473 | Expr *&TaskgroupDescriptor) const; | ||||
474 | /// Returns the location and reduction operation from the innermost parent | ||||
475 | /// region for the given \p D. | ||||
476 | const DSAVarData | ||||
477 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||
478 | const Expr *&ReductionRef, | ||||
479 | Expr *&TaskgroupDescriptor) const; | ||||
480 | /// Return reduction reference expression for the current taskgroup. | ||||
481 | Expr *getTaskgroupReductionRef() const { | ||||
482 | assert(getTopOfStack().Directive == OMPD_taskgroup &&((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 484, __PRETTY_FUNCTION__)) | ||||
483 | "taskgroup reference expression requested for non taskgroup "((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 484, __PRETTY_FUNCTION__)) | ||||
484 | "directive.")((getTopOfStack().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? static_cast<void> (0) : __assert_fail ( "getTopOfStack().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 484, __PRETTY_FUNCTION__)); | ||||
485 | return getTopOfStack().TaskgroupReductionRef; | ||||
486 | } | ||||
487 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | ||||
488 | /// descriptor variable at the \p Level of OpenMP regions. | ||||
489 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { | ||||
490 | return getStackElemAtLevel(Level).TaskgroupReductionRef && | ||||
491 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) | ||||
492 | ->getDecl() == VD; | ||||
493 | } | ||||
494 | |||||
495 | /// Returns data sharing attributes from top of the stack for the | ||||
496 | /// specified declaration. | ||||
497 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | ||||
498 | /// Returns data-sharing attributes for the specified declaration. | ||||
499 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; | ||||
500 | /// Checks if the specified variables has data-sharing attributes which | ||||
501 | /// match specified \a CPred predicate in any directive which matches \a DPred | ||||
502 | /// predicate. | ||||
503 | const DSAVarData | ||||
504 | hasDSA(ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
505 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
506 | bool FromParent) const; | ||||
507 | /// Checks if the specified variables has data-sharing attributes which | ||||
508 | /// match specified \a CPred predicate in any innermost directive which | ||||
509 | /// matches \a DPred predicate. | ||||
510 | const DSAVarData | ||||
511 | hasInnermostDSA(ValueDecl *D, | ||||
512 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
513 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
514 | bool FromParent) const; | ||||
515 | /// Checks if the specified variables has explicit data-sharing | ||||
516 | /// attributes which match specified \a CPred predicate at the specified | ||||
517 | /// OpenMP region. | ||||
518 | bool hasExplicitDSA(const ValueDecl *D, | ||||
519 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
520 | unsigned Level, bool NotLastprivate = false) const; | ||||
521 | |||||
522 | /// Returns true if the directive at level \Level matches in the | ||||
523 | /// specified \a DPred predicate. | ||||
524 | bool hasExplicitDirective( | ||||
525 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
526 | unsigned Level) const; | ||||
527 | |||||
528 | /// Finds a directive which matches specified \a DPred predicate. | ||||
529 | bool hasDirective( | ||||
530 | const llvm::function_ref<bool( | ||||
531 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> | ||||
532 | DPred, | ||||
533 | bool FromParent) const; | ||||
534 | |||||
535 | /// Returns currently analyzed directive. | ||||
536 | OpenMPDirectiveKind getCurrentDirective() const { | ||||
537 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
538 | return Top ? Top->Directive : OMPD_unknown; | ||||
539 | } | ||||
540 | /// Returns directive kind at specified level. | ||||
541 | OpenMPDirectiveKind getDirective(unsigned Level) const { | ||||
542 | assert(!isStackEmpty() && "No directive at specified level.")((!isStackEmpty() && "No directive at specified level." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"No directive at specified level.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 542, __PRETTY_FUNCTION__)); | ||||
543 | return getStackElemAtLevel(Level).Directive; | ||||
544 | } | ||||
545 | /// Returns the capture region at the specified level. | ||||
546 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, | ||||
547 | unsigned OpenMPCaptureLevel) const { | ||||
548 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
549 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); | ||||
550 | return CaptureRegions[OpenMPCaptureLevel]; | ||||
551 | } | ||||
552 | /// Returns parent directive. | ||||
553 | OpenMPDirectiveKind getParentDirective() const { | ||||
554 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
555 | return Parent ? Parent->Directive : OMPD_unknown; | ||||
556 | } | ||||
557 | |||||
558 | /// Add requires decl to internal vector | ||||
559 | void addRequiresDecl(OMPRequiresDecl *RD) { | ||||
560 | RequiresDecls.push_back(RD); | ||||
561 | } | ||||
562 | |||||
563 | /// Checks if the defined 'requires' directive has specified type of clause. | ||||
564 | template <typename ClauseType> | ||||
565 | bool hasRequiresDeclWithClause() const { | ||||
566 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { | ||||
567 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { | ||||
568 | return isa<ClauseType>(C); | ||||
569 | }); | ||||
570 | }); | ||||
571 | } | ||||
572 | |||||
573 | /// Checks for a duplicate clause amongst previously declared requires | ||||
574 | /// directives | ||||
575 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { | ||||
576 | bool IsDuplicate = false; | ||||
577 | for (OMPClause *CNew : ClauseList) { | ||||
578 | for (const OMPRequiresDecl *D : RequiresDecls) { | ||||
579 | for (const OMPClause *CPrev : D->clauselists()) { | ||||
580 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { | ||||
581 | SemaRef.Diag(CNew->getBeginLoc(), | ||||
582 | diag::err_omp_requires_clause_redeclaration) | ||||
583 | << getOpenMPClauseName(CNew->getClauseKind()); | ||||
584 | SemaRef.Diag(CPrev->getBeginLoc(), | ||||
585 | diag::note_omp_requires_previous_clause) | ||||
586 | << getOpenMPClauseName(CPrev->getClauseKind()); | ||||
587 | IsDuplicate = true; | ||||
588 | } | ||||
589 | } | ||||
590 | } | ||||
591 | } | ||||
592 | return IsDuplicate; | ||||
593 | } | ||||
594 | |||||
595 | /// Add location of previously encountered target to internal vector | ||||
596 | void addTargetDirLocation(SourceLocation LocStart) { | ||||
597 | TargetLocations.push_back(LocStart); | ||||
598 | } | ||||
599 | |||||
600 | /// Add location for the first encountered atomicc directive. | ||||
601 | void addAtomicDirectiveLoc(SourceLocation Loc) { | ||||
602 | if (AtomicLocation.isInvalid()) | ||||
603 | AtomicLocation = Loc; | ||||
604 | } | ||||
605 | |||||
606 | /// Returns the location of the first encountered atomic directive in the | ||||
607 | /// module. | ||||
608 | SourceLocation getAtomicDirectiveLoc() const { | ||||
609 | return AtomicLocation; | ||||
610 | } | ||||
611 | |||||
612 | // Return previously encountered target region locations. | ||||
613 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { | ||||
614 | return TargetLocations; | ||||
615 | } | ||||
616 | |||||
617 | /// Set default data sharing attribute to none. | ||||
618 | void setDefaultDSANone(SourceLocation Loc) { | ||||
619 | getTopOfStack().DefaultAttr = DSA_none; | ||||
620 | getTopOfStack().DefaultAttrLoc = Loc; | ||||
621 | } | ||||
622 | /// Set default data sharing attribute to shared. | ||||
623 | void setDefaultDSAShared(SourceLocation Loc) { | ||||
624 | getTopOfStack().DefaultAttr = DSA_shared; | ||||
625 | getTopOfStack().DefaultAttrLoc = Loc; | ||||
626 | } | ||||
627 | /// Set default data mapping attribute to Modifier:Kind | ||||
628 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, | ||||
629 | OpenMPDefaultmapClauseKind Kind, | ||||
630 | SourceLocation Loc) { | ||||
631 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; | ||||
632 | DMI.ImplicitBehavior = M; | ||||
633 | DMI.SLoc = Loc; | ||||
634 | } | ||||
635 | /// Check whether the implicit-behavior has been set in defaultmap | ||||
636 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { | ||||
637 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != | ||||
638 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||
639 | } | ||||
640 | |||||
641 | DefaultDataSharingAttributes getDefaultDSA() const { | ||||
642 | return isStackEmpty() ? DSA_unspecified | ||||
643 | : getTopOfStack().DefaultAttr; | ||||
644 | } | ||||
645 | SourceLocation getDefaultDSALocation() const { | ||||
646 | return isStackEmpty() ? SourceLocation() | ||||
647 | : getTopOfStack().DefaultAttrLoc; | ||||
648 | } | ||||
649 | OpenMPDefaultmapClauseModifier | ||||
650 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { | ||||
651 | return isStackEmpty() | ||||
652 | ? OMPC_DEFAULTMAP_MODIFIER_unknown | ||||
653 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; | ||||
654 | } | ||||
655 | OpenMPDefaultmapClauseModifier | ||||
656 | getDefaultmapModifierAtLevel(unsigned Level, | ||||
657 | OpenMPDefaultmapClauseKind Kind) const { | ||||
658 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; | ||||
659 | } | ||||
660 | bool isDefaultmapCapturedByRef(unsigned Level, | ||||
661 | OpenMPDefaultmapClauseKind Kind) const { | ||||
662 | OpenMPDefaultmapClauseModifier M = | ||||
663 | getDefaultmapModifierAtLevel(Level, Kind); | ||||
664 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { | ||||
665 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || | ||||
666 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || | ||||
667 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || | ||||
668 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||
669 | } | ||||
670 | return true; | ||||
671 | } | ||||
672 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, | ||||
673 | OpenMPDefaultmapClauseKind Kind) { | ||||
674 | switch (Kind) { | ||||
675 | case OMPC_DEFAULTMAP_scalar: | ||||
676 | case OMPC_DEFAULTMAP_pointer: | ||||
677 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || | ||||
678 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || | ||||
679 | (M == OMPC_DEFAULTMAP_MODIFIER_default); | ||||
680 | case OMPC_DEFAULTMAP_aggregate: | ||||
681 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; | ||||
682 | default: | ||||
683 | break; | ||||
684 | } | ||||
685 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")::llvm::llvm_unreachable_internal("Unexpected OpenMPDefaultmapClauseKind enum" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 685); | ||||
686 | } | ||||
687 | bool mustBeFirstprivateAtLevel(unsigned Level, | ||||
688 | OpenMPDefaultmapClauseKind Kind) const { | ||||
689 | OpenMPDefaultmapClauseModifier M = | ||||
690 | getDefaultmapModifierAtLevel(Level, Kind); | ||||
691 | return mustBeFirstprivateBase(M, Kind); | ||||
692 | } | ||||
693 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { | ||||
694 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); | ||||
695 | return mustBeFirstprivateBase(M, Kind); | ||||
696 | } | ||||
697 | |||||
698 | /// Checks if the specified variable is a threadprivate. | ||||
699 | bool isThreadPrivate(VarDecl *D) { | ||||
700 | const DSAVarData DVar = getTopDSA(D, false); | ||||
701 | return isOpenMPThreadPrivate(DVar.CKind); | ||||
702 | } | ||||
703 | |||||
704 | /// Marks current region as ordered (it has an 'ordered' clause). | ||||
705 | void setOrderedRegion(bool IsOrdered, const Expr *Param, | ||||
706 | OMPOrderedClause *Clause) { | ||||
707 | if (IsOrdered) | ||||
708 | getTopOfStack().OrderedRegion.emplace(Param, Clause); | ||||
709 | else | ||||
710 | getTopOfStack().OrderedRegion.reset(); | ||||
711 | } | ||||
712 | /// Returns true, if region is ordered (has associated 'ordered' clause), | ||||
713 | /// false - otherwise. | ||||
714 | bool isOrderedRegion() const { | ||||
715 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||
716 | return Top->OrderedRegion.hasValue(); | ||||
717 | return false; | ||||
718 | } | ||||
719 | /// Returns optional parameter for the ordered region. | ||||
720 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { | ||||
721 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||
722 | if (Top->OrderedRegion.hasValue()) | ||||
723 | return Top->OrderedRegion.getValue(); | ||||
724 | return std::make_pair(nullptr, nullptr); | ||||
725 | } | ||||
726 | /// Returns true, if parent region is ordered (has associated | ||||
727 | /// 'ordered' clause), false - otherwise. | ||||
728 | bool isParentOrderedRegion() const { | ||||
729 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
730 | return Parent->OrderedRegion.hasValue(); | ||||
731 | return false; | ||||
732 | } | ||||
733 | /// Returns optional parameter for the ordered region. | ||||
734 | std::pair<const Expr *, OMPOrderedClause *> | ||||
735 | getParentOrderedRegionParam() const { | ||||
736 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
737 | if (Parent->OrderedRegion.hasValue()) | ||||
738 | return Parent->OrderedRegion.getValue(); | ||||
739 | return std::make_pair(nullptr, nullptr); | ||||
740 | } | ||||
741 | /// Marks current region as nowait (it has a 'nowait' clause). | ||||
742 | void setNowaitRegion(bool IsNowait = true) { | ||||
743 | getTopOfStack().NowaitRegion = IsNowait; | ||||
744 | } | ||||
745 | /// Returns true, if parent region is nowait (has associated | ||||
746 | /// 'nowait' clause), false - otherwise. | ||||
747 | bool isParentNowaitRegion() const { | ||||
748 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
749 | return Parent->NowaitRegion; | ||||
750 | return false; | ||||
751 | } | ||||
752 | /// Marks parent region as cancel region. | ||||
753 | void setParentCancelRegion(bool Cancel = true) { | ||||
754 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
755 | Parent->CancelRegion |= Cancel; | ||||
756 | } | ||||
757 | /// Return true if current region has inner cancel construct. | ||||
758 | bool isCancelRegion() const { | ||||
759 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
760 | return Top ? Top->CancelRegion : false; | ||||
761 | } | ||||
762 | |||||
763 | /// Set collapse value for the region. | ||||
764 | void setAssociatedLoops(unsigned Val) { | ||||
765 | getTopOfStack().AssociatedLoops = Val; | ||||
766 | if (Val > 1) | ||||
767 | getTopOfStack().HasMutipleLoops = true; | ||||
768 | } | ||||
769 | /// Return collapse value for region. | ||||
770 | unsigned getAssociatedLoops() const { | ||||
771 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
772 | return Top ? Top->AssociatedLoops : 0; | ||||
773 | } | ||||
774 | /// Returns true if the construct is associated with multiple loops. | ||||
775 | bool hasMutipleLoops() const { | ||||
776 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
777 | return Top ? Top->HasMutipleLoops : false; | ||||
778 | } | ||||
779 | |||||
780 | /// Marks current target region as one with closely nested teams | ||||
781 | /// region. | ||||
782 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | ||||
783 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||
784 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; | ||||
785 | } | ||||
786 | /// Returns true, if current region has closely nested teams region. | ||||
787 | bool hasInnerTeamsRegion() const { | ||||
788 | return getInnerTeamsRegionLoc().isValid(); | ||||
789 | } | ||||
790 | /// Returns location of the nested teams region (if any). | ||||
791 | SourceLocation getInnerTeamsRegionLoc() const { | ||||
792 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
793 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); | ||||
794 | } | ||||
795 | |||||
796 | Scope *getCurScope() const { | ||||
797 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
798 | return Top ? Top->CurScope : nullptr; | ||||
799 | } | ||||
800 | SourceLocation getConstructLoc() const { | ||||
801 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||
802 | return Top ? Top->ConstructLoc : SourceLocation(); | ||||
803 | } | ||||
804 | |||||
805 | /// Do the check specified in \a Check to all component lists and return true | ||||
806 | /// if any issue is found. | ||||
807 | bool checkMappableExprComponentListsForDecl( | ||||
808 | const ValueDecl *VD, bool CurrentRegionOnly, | ||||
809 | const llvm::function_ref< | ||||
810 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
811 | OpenMPClauseKind)> | ||||
812 | Check) const { | ||||
813 | if (isStackEmpty()) | ||||
814 | return false; | ||||
815 | auto SI = begin(); | ||||
816 | auto SE = end(); | ||||
817 | |||||
818 | if (SI == SE) | ||||
819 | return false; | ||||
820 | |||||
821 | if (CurrentRegionOnly) | ||||
822 | SE = std::next(SI); | ||||
823 | else | ||||
824 | std::advance(SI, 1); | ||||
825 | |||||
826 | for (; SI != SE; ++SI) { | ||||
827 | auto MI = SI->MappedExprComponents.find(VD); | ||||
828 | if (MI != SI->MappedExprComponents.end()) | ||||
829 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||
830 | MI->second.Components) | ||||
831 | if (Check(L, MI->second.Kind)) | ||||
832 | return true; | ||||
833 | } | ||||
834 | return false; | ||||
835 | } | ||||
836 | |||||
837 | /// Do the check specified in \a Check to all component lists at a given level | ||||
838 | /// and return true if any issue is found. | ||||
839 | bool checkMappableExprComponentListsForDeclAtLevel( | ||||
840 | const ValueDecl *VD, unsigned Level, | ||||
841 | const llvm::function_ref< | ||||
842 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
843 | OpenMPClauseKind)> | ||||
844 | Check) const { | ||||
845 | if (getStackSize() <= Level) | ||||
846 | return false; | ||||
847 | |||||
848 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
849 | auto MI = StackElem.MappedExprComponents.find(VD); | ||||
850 | if (MI != StackElem.MappedExprComponents.end()) | ||||
851 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||
852 | MI->second.Components) | ||||
853 | if (Check(L, MI->second.Kind)) | ||||
854 | return true; | ||||
855 | return false; | ||||
856 | } | ||||
857 | |||||
858 | /// Create a new mappable expression component list associated with a given | ||||
859 | /// declaration and initialize it with the provided list of components. | ||||
860 | void addMappableExpressionComponents( | ||||
861 | const ValueDecl *VD, | ||||
862 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||
863 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
864 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; | ||||
865 | // Create new entry and append the new components there. | ||||
866 | MEC.Components.resize(MEC.Components.size() + 1); | ||||
867 | MEC.Components.back().append(Components.begin(), Components.end()); | ||||
868 | MEC.Kind = WhereFoundClauseKind; | ||||
869 | } | ||||
870 | |||||
871 | unsigned getNestingLevel() const { | ||||
872 | assert(!isStackEmpty())((!isStackEmpty()) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 872, __PRETTY_FUNCTION__)); | ||||
873 | return getStackSize() - 1; | ||||
874 | } | ||||
875 | void addDoacrossDependClause(OMPDependClause *C, | ||||
876 | const OperatorOffsetTy &OpsOffs) { | ||||
877 | SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
878 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))((Parent && isOpenMPWorksharingDirective(Parent->Directive )) ? static_cast<void> (0) : __assert_fail ("Parent && isOpenMPWorksharingDirective(Parent->Directive)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 878, __PRETTY_FUNCTION__)); | ||||
879 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); | ||||
880 | } | ||||
881 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | ||||
882 | getDoacrossDependClauses() const { | ||||
883 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
884 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | ||||
885 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; | ||||
886 | return llvm::make_range(Ref.begin(), Ref.end()); | ||||
887 | } | ||||
888 | return llvm::make_range(StackElem.DoacrossDepends.end(), | ||||
889 | StackElem.DoacrossDepends.end()); | ||||
890 | } | ||||
891 | |||||
892 | // Store types of classes which have been explicitly mapped | ||||
893 | void addMappedClassesQualTypes(QualType QT) { | ||||
894 | SharingMapTy &StackElem = getTopOfStack(); | ||||
895 | StackElem.MappedClassesQualTypes.insert(QT); | ||||
896 | } | ||||
897 | |||||
898 | // Return set of mapped classes types | ||||
899 | bool isClassPreviouslyMapped(QualType QT) const { | ||||
900 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
901 | return StackElem.MappedClassesQualTypes.count(QT) != 0; | ||||
902 | } | ||||
903 | |||||
904 | /// Adds global declare target to the parent target region. | ||||
905 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { | ||||
906 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 908, __PRETTY_FUNCTION__)) | ||||
907 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 908, __PRETTY_FUNCTION__)) | ||||
908 | "Expected declare target link global.")((*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E-> getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && "Expected declare target link global." ) ? static_cast<void> (0) : __assert_fail ("*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration( E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link && \"Expected declare target link global.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 908, __PRETTY_FUNCTION__)); | ||||
909 | for (auto &Elem : *this) { | ||||
910 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { | ||||
911 | Elem.DeclareTargetLinkVarDecls.push_back(E); | ||||
912 | return; | ||||
913 | } | ||||
914 | } | ||||
915 | } | ||||
916 | |||||
917 | /// Returns the list of globals with declare target link if current directive | ||||
918 | /// is target. | ||||
919 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { | ||||
920 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 921, __PRETTY_FUNCTION__)) | ||||
921 | "Expected target executable directive.")((isOpenMPTargetExecutionDirective(getCurrentDirective()) && "Expected target executable directive.") ? static_cast<void > (0) : __assert_fail ("isOpenMPTargetExecutionDirective(getCurrentDirective()) && \"Expected target executable directive.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 921, __PRETTY_FUNCTION__)); | ||||
922 | return getTopOfStack().DeclareTargetLinkVarDecls; | ||||
923 | } | ||||
924 | |||||
925 | /// Adds list of allocators expressions. | ||||
926 | void addInnerAllocatorExpr(Expr *E) { | ||||
927 | getTopOfStack().InnerUsedAllocators.push_back(E); | ||||
928 | } | ||||
929 | /// Return list of used allocators. | ||||
930 | ArrayRef<Expr *> getInnerAllocators() const { | ||||
931 | return getTopOfStack().InnerUsedAllocators; | ||||
932 | } | ||||
933 | }; | ||||
934 | |||||
935 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||
936 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); | ||||
937 | } | ||||
938 | |||||
939 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||
940 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || | ||||
941 | DKind == OMPD_unknown; | ||||
942 | } | ||||
943 | |||||
944 | } // namespace | ||||
945 | |||||
946 | static const Expr *getExprAsWritten(const Expr *E) { | ||||
947 | if (const auto *FE = dyn_cast<FullExpr>(E)) | ||||
948 | E = FE->getSubExpr(); | ||||
949 | |||||
950 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | ||||
951 | E = MTE->getSubExpr(); | ||||
952 | |||||
953 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | ||||
954 | E = Binder->getSubExpr(); | ||||
955 | |||||
956 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | ||||
957 | E = ICE->getSubExprAsWritten(); | ||||
958 | return E->IgnoreParens(); | ||||
959 | } | ||||
960 | |||||
961 | static Expr *getExprAsWritten(Expr *E) { | ||||
962 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); | ||||
963 | } | ||||
964 | |||||
965 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { | ||||
966 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | ||||
967 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
968 | D = ME->getMemberDecl(); | ||||
969 | const auto *VD = dyn_cast<VarDecl>(D); | ||||
970 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||
971 | if (VD != nullptr) { | ||||
972 | VD = VD->getCanonicalDecl(); | ||||
973 | D = VD; | ||||
974 | } else { | ||||
975 | assert(FD)((FD) ? static_cast<void> (0) : __assert_fail ("FD", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 975, __PRETTY_FUNCTION__)); | ||||
976 | FD = FD->getCanonicalDecl(); | ||||
977 | D = FD; | ||||
978 | } | ||||
979 | return D; | ||||
980 | } | ||||
981 | |||||
982 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | ||||
983 | return const_cast<ValueDecl *>( | ||||
984 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); | ||||
985 | } | ||||
986 | |||||
987 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, | ||||
988 | ValueDecl *D) const { | ||||
989 | D = getCanonicalDecl(D); | ||||
990 | auto *VD = dyn_cast<VarDecl>(D); | ||||
991 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||
992 | DSAVarData DVar; | ||||
993 | if (Iter == end()) { | ||||
994 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
995 | // in a region but not in construct] | ||||
996 | // File-scope or namespace-scope variables referenced in called routines | ||||
997 | // in the region are shared unless they appear in a threadprivate | ||||
998 | // directive. | ||||
999 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) | ||||
1000 | DVar.CKind = OMPC_shared; | ||||
1001 | |||||
1002 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | ||||
1003 | // in a region but not in construct] | ||||
1004 | // Variables with static storage duration that are declared in called | ||||
1005 | // routines in the region are shared. | ||||
1006 | if (VD && VD->hasGlobalStorage()) | ||||
1007 | DVar.CKind = OMPC_shared; | ||||
1008 | |||||
1009 | // Non-static data members are shared by default. | ||||
1010 | if (FD) | ||||
1011 | DVar.CKind = OMPC_shared; | ||||
1012 | |||||
1013 | return DVar; | ||||
1014 | } | ||||
1015 | |||||
1016 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1017 | // in a Construct, C/C++, predetermined, p.1] | ||||
1018 | // Variables with automatic storage duration that are declared in a scope | ||||
1019 | // inside the construct are private. | ||||
1020 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | ||||
1021 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | ||||
1022 | DVar.CKind = OMPC_private; | ||||
1023 | return DVar; | ||||
1024 | } | ||||
1025 | |||||
1026 | DVar.DKind = Iter->Directive; | ||||
1027 | // Explicitly specified attributes and local variables with predetermined | ||||
1028 | // attributes. | ||||
1029 | if (Iter->SharingMap.count(D)) { | ||||
1030 | const DSAInfo &Data = Iter->SharingMap.lookup(D); | ||||
1031 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1032 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1033 | DVar.CKind = Data.Attributes; | ||||
1034 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1035 | return DVar; | ||||
1036 | } | ||||
1037 | |||||
1038 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1039 | // in a Construct, C/C++, implicitly determined, p.1] | ||||
1040 | // In a parallel or task construct, the data-sharing attributes of these | ||||
1041 | // variables are determined by the default clause, if present. | ||||
1042 | switch (Iter->DefaultAttr) { | ||||
1043 | case DSA_shared: | ||||
1044 | DVar.CKind = OMPC_shared; | ||||
1045 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1046 | return DVar; | ||||
1047 | case DSA_none: | ||||
1048 | return DVar; | ||||
1049 | case DSA_unspecified: | ||||
1050 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1051 | // in a Construct, implicitly determined, p.2] | ||||
1052 | // In a parallel construct, if no default clause is present, these | ||||
1053 | // variables are shared. | ||||
1054 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||
1055 | if ((isOpenMPParallelDirective(DVar.DKind) && | ||||
1056 | !isOpenMPTaskLoopDirective(DVar.DKind)) || | ||||
1057 | isOpenMPTeamsDirective(DVar.DKind)) { | ||||
1058 | DVar.CKind = OMPC_shared; | ||||
1059 | return DVar; | ||||
1060 | } | ||||
1061 | |||||
1062 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1063 | // in a Construct, implicitly determined, p.4] | ||||
1064 | // In a task construct, if no default clause is present, a variable that in | ||||
1065 | // the enclosing context is determined to be shared by all implicit tasks | ||||
1066 | // bound to the current team is shared. | ||||
1067 | if (isOpenMPTaskingDirective(DVar.DKind)) { | ||||
1068 | DSAVarData DVarTemp; | ||||
1069 | const_iterator I = Iter, E = end(); | ||||
1070 | do { | ||||
1071 | ++I; | ||||
1072 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | ||||
1073 | // Referenced in a Construct, implicitly determined, p.6] | ||||
1074 | // In a task construct, if no default clause is present, a variable | ||||
1075 | // whose data-sharing attribute is not determined by the rules above is | ||||
1076 | // firstprivate. | ||||
1077 | DVarTemp = getDSA(I, D); | ||||
1078 | if (DVarTemp.CKind != OMPC_shared) { | ||||
1079 | DVar.RefExpr = nullptr; | ||||
1080 | DVar.CKind = OMPC_firstprivate; | ||||
1081 | return DVar; | ||||
1082 | } | ||||
1083 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); | ||||
1084 | DVar.CKind = | ||||
1085 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | ||||
1086 | return DVar; | ||||
1087 | } | ||||
1088 | } | ||||
1089 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1090 | // in a Construct, implicitly determined, p.3] | ||||
1091 | // For constructs other than task, if no default clause is present, these | ||||
1092 | // variables inherit their data-sharing attributes from the enclosing | ||||
1093 | // context. | ||||
1094 | return getDSA(++Iter, D); | ||||
1095 | } | ||||
1096 | |||||
1097 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, | ||||
1098 | const Expr *NewDE) { | ||||
1099 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((!isStackEmpty() && "Data sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1099, __PRETTY_FUNCTION__)); | ||||
1100 | D = getCanonicalDecl(D); | ||||
1101 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1102 | auto It = StackElem.AlignedMap.find(D); | ||||
1103 | if (It == StackElem.AlignedMap.end()) { | ||||
1104 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? static_cast<void> (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1104, __PRETTY_FUNCTION__)); | ||||
1105 | StackElem.AlignedMap[D] = NewDE; | ||||
1106 | return nullptr; | ||||
1107 | } | ||||
1108 | assert(It->second && "Unexpected nullptr expr in the aligned map")((It->second && "Unexpected nullptr expr in the aligned map" ) ? static_cast<void> (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1108, __PRETTY_FUNCTION__)); | ||||
1109 | return It->second; | ||||
1110 | } | ||||
1111 | |||||
1112 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, | ||||
1113 | const Expr *NewDE) { | ||||
1114 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((!isStackEmpty() && "Data sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1114, __PRETTY_FUNCTION__)); | ||||
1115 | D = getCanonicalDecl(D); | ||||
1116 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1117 | auto It = StackElem.NontemporalMap.find(D); | ||||
1118 | if (It == StackElem.NontemporalMap.end()) { | ||||
1119 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? static_cast<void> (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1119, __PRETTY_FUNCTION__)); | ||||
1120 | StackElem.NontemporalMap[D] = NewDE; | ||||
1121 | return nullptr; | ||||
1122 | } | ||||
1123 | assert(It->second && "Unexpected nullptr expr in the aligned map")((It->second && "Unexpected nullptr expr in the aligned map" ) ? static_cast<void> (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1123, __PRETTY_FUNCTION__)); | ||||
1124 | return It->second; | ||||
1125 | } | ||||
1126 | |||||
1127 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { | ||||
1128 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1128, __PRETTY_FUNCTION__)); | ||||
1129 | D = getCanonicalDecl(D); | ||||
1130 | SharingMapTy &StackElem = getTopOfStack(); | ||||
1131 | StackElem.LCVMap.try_emplace( | ||||
1132 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); | ||||
1133 | } | ||||
1134 | |||||
1135 | const DSAStackTy::LCDeclInfo | ||||
1136 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { | ||||
1137 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1137, __PRETTY_FUNCTION__)); | ||||
1138 | D = getCanonicalDecl(D); | ||||
1139 | const SharingMapTy &StackElem = getTopOfStack(); | ||||
1140 | auto It = StackElem.LCVMap.find(D); | ||||
1141 | if (It != StackElem.LCVMap.end()) | ||||
1142 | return It->second; | ||||
1143 | return {0, nullptr}; | ||||
1144 | } | ||||
1145 | |||||
1146 | const DSAStackTy::LCDeclInfo | ||||
1147 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { | ||||
1148 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
1149 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1149, __PRETTY_FUNCTION__)); | ||||
1150 | D = getCanonicalDecl(D); | ||||
1151 | auto It = Parent->LCVMap.find(D); | ||||
1152 | if (It != Parent->LCVMap.end()) | ||||
1153 | return It->second; | ||||
1154 | return {0, nullptr}; | ||||
1155 | } | ||||
1156 | |||||
1157 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { | ||||
1158 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||
1159 | assert(Parent && "Data-sharing attributes stack is empty")((Parent && "Data-sharing attributes stack is empty") ? static_cast<void> (0) : __assert_fail ("Parent && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1159, __PRETTY_FUNCTION__)); | ||||
1160 | if (Parent->LCVMap.size() < I) | ||||
1161 | return nullptr; | ||||
1162 | for (const auto &Pair : Parent->LCVMap) | ||||
1163 | if (Pair.second.first == I) | ||||
1164 | return Pair.first; | ||||
1165 | return nullptr; | ||||
1166 | } | ||||
1167 | |||||
1168 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||
1169 | DeclRefExpr *PrivateCopy) { | ||||
1170 | D = getCanonicalDecl(D); | ||||
1171 | if (A == OMPC_threadprivate) { | ||||
1172 | DSAInfo &Data = Threadprivates[D]; | ||||
1173 | Data.Attributes = A; | ||||
1174 | Data.RefExpr.setPointer(E); | ||||
1175 | Data.PrivateCopy = nullptr; | ||||
1176 | } else { | ||||
1177 | DSAInfo &Data = getTopOfStack().SharingMap[D]; | ||||
1178 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1181, __PRETTY_FUNCTION__)) | ||||
1179 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1181, __PRETTY_FUNCTION__)) | ||||
1180 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1181, __PRETTY_FUNCTION__)) | ||||
1181 | (isLoopControlVariable(D).first && A == OMPC_private))((Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate ) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate ) || (isLoopControlVariable(D).first && A == OMPC_private )) ? static_cast<void> (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1181, __PRETTY_FUNCTION__)); | ||||
1182 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | ||||
1183 | Data.RefExpr.setInt(/*IntVal=*/true); | ||||
1184 | return; | ||||
1185 | } | ||||
1186 | const bool IsLastprivate = | ||||
1187 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | ||||
1188 | Data.Attributes = A; | ||||
1189 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | ||||
1190 | Data.PrivateCopy = PrivateCopy; | ||||
1191 | if (PrivateCopy) { | ||||
1192 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; | ||||
1193 | Data.Attributes = A; | ||||
1194 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | ||||
1195 | Data.PrivateCopy = nullptr; | ||||
1196 | } | ||||
1197 | } | ||||
1198 | } | ||||
1199 | |||||
1200 | /// Build a variable declaration for OpenMP loop iteration variable. | ||||
1201 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | ||||
1202 | StringRef Name, const AttrVec *Attrs = nullptr, | ||||
1203 | DeclRefExpr *OrigRef = nullptr) { | ||||
1204 | DeclContext *DC = SemaRef.CurContext; | ||||
1205 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | ||||
1206 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | ||||
1207 | auto *Decl = | ||||
1208 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | ||||
1209 | if (Attrs) { | ||||
1210 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | ||||
1211 | I != E; ++I) | ||||
1212 | Decl->addAttr(*I); | ||||
1213 | } | ||||
1214 | Decl->setImplicit(); | ||||
1215 | if (OrigRef) { | ||||
1216 | Decl->addAttr( | ||||
1217 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); | ||||
1218 | } | ||||
1219 | return Decl; | ||||
1220 | } | ||||
1221 | |||||
1222 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | ||||
1223 | SourceLocation Loc, | ||||
1224 | bool RefersToCapture = false) { | ||||
1225 | D->setReferenced(); | ||||
1226 | D->markUsed(S.Context); | ||||
1227 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | ||||
1228 | SourceLocation(), D, RefersToCapture, Loc, Ty, | ||||
1229 | VK_LValue); | ||||
1230 | } | ||||
1231 | |||||
1232 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
1233 | BinaryOperatorKind BOK) { | ||||
1234 | D = getCanonicalDecl(D); | ||||
1235 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1235, __PRETTY_FUNCTION__)); | ||||
1236 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1238, __PRETTY_FUNCTION__)) | ||||
1237 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1238, __PRETTY_FUNCTION__)) | ||||
1238 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1238, __PRETTY_FUNCTION__)); | ||||
1239 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||
1240 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1243, __PRETTY_FUNCTION__)) | ||||
1241 | getTopOfStack().Directive == OMPD_taskgroup &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1243, __PRETTY_FUNCTION__)) | ||||
1242 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1243, __PRETTY_FUNCTION__)) | ||||
1243 | "items.")((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1243, __PRETTY_FUNCTION__)); | ||||
1244 | ReductionData.set(BOK, SR); | ||||
1245 | Expr *&TaskgroupReductionRef = | ||||
1246 | getTopOfStack().TaskgroupReductionRef; | ||||
1247 | if (!TaskgroupReductionRef) { | ||||
1248 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||
1249 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||
1250 | TaskgroupReductionRef = | ||||
1251 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||
1252 | } | ||||
1253 | } | ||||
1254 | |||||
1255 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||
1256 | const Expr *ReductionRef) { | ||||
1257 | D = getCanonicalDecl(D); | ||||
1258 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1258, __PRETTY_FUNCTION__)); | ||||
1259 | assert(((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1261, __PRETTY_FUNCTION__)) | ||||
1260 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1261, __PRETTY_FUNCTION__)) | ||||
1261 | "Additional reduction info may be specified only for reduction items.")((getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? static_cast<void> (0) : __assert_fail ("getTopOfStack().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1261, __PRETTY_FUNCTION__)); | ||||
1262 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||
1263 | assert(ReductionData.ReductionRange.isInvalid() &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1266, __PRETTY_FUNCTION__)) | ||||
1264 | getTopOfStack().Directive == OMPD_taskgroup &&((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1266, __PRETTY_FUNCTION__)) | ||||
1265 | "Additional reduction info may be specified only once for reduction "((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1266, __PRETTY_FUNCTION__)) | ||||
1266 | "items.")((ReductionData.ReductionRange.isInvalid() && getTopOfStack ().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? static_cast<void> (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && getTopOfStack().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1266, __PRETTY_FUNCTION__)); | ||||
1267 | ReductionData.set(ReductionRef, SR); | ||||
1268 | Expr *&TaskgroupReductionRef = | ||||
1269 | getTopOfStack().TaskgroupReductionRef; | ||||
1270 | if (!TaskgroupReductionRef) { | ||||
1271 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||
1272 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||
1273 | TaskgroupReductionRef = | ||||
1274 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||
1275 | } | ||||
1276 | } | ||||
1277 | |||||
1278 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||
1279 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, | ||||
1280 | Expr *&TaskgroupDescriptor) const { | ||||
1281 | D = getCanonicalDecl(D); | ||||
1282 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1282, __PRETTY_FUNCTION__)); | ||||
1283 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||
1284 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||
1285 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | ||||
1286 | continue; | ||||
1287 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||
1288 | if (!ReductionData.ReductionOp || | ||||
1289 | ReductionData.ReductionOp.is<const Expr *>()) | ||||
1290 | return DSAVarData(); | ||||
1291 | SR = ReductionData.ReductionRange; | ||||
1292 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | ||||
1293 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1295, __PRETTY_FUNCTION__)) | ||||
1294 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1295, __PRETTY_FUNCTION__)) | ||||
1295 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1295, __PRETTY_FUNCTION__)); | ||||
1296 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||
1297 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | ||||
1298 | Data.PrivateCopy, I->DefaultAttrLoc); | ||||
1299 | } | ||||
1300 | return DSAVarData(); | ||||
1301 | } | ||||
1302 | |||||
1303 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||
1304 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, | ||||
1305 | Expr *&TaskgroupDescriptor) const { | ||||
1306 | D = getCanonicalDecl(D); | ||||
1307 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? static_cast<void> (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1307, __PRETTY_FUNCTION__)); | ||||
1308 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||
1309 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||
1310 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | ||||
1311 | continue; | ||||
1312 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||
1313 | if (!ReductionData.ReductionOp || | ||||
1314 | !ReductionData.ReductionOp.is<const Expr *>()) | ||||
1315 | return DSAVarData(); | ||||
1316 | SR = ReductionData.ReductionRange; | ||||
1317 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | ||||
1318 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1320, __PRETTY_FUNCTION__)) | ||||
1319 | "expression for the descriptor is not "((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1320, __PRETTY_FUNCTION__)) | ||||
1320 | "set.")((I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? static_cast <void> (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1320, __PRETTY_FUNCTION__)); | ||||
1321 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||
1322 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | ||||
1323 | Data.PrivateCopy, I->DefaultAttrLoc); | ||||
1324 | } | ||||
1325 | return DSAVarData(); | ||||
1326 | } | ||||
1327 | |||||
1328 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { | ||||
1329 | D = D->getCanonicalDecl(); | ||||
1330 | for (const_iterator E = end(); I != E; ++I) { | ||||
1331 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || | ||||
1332 | isOpenMPTargetExecutionDirective(I->Directive)) { | ||||
1333 | Scope *TopScope = I->CurScope ? I->CurScope->getParent() : nullptr; | ||||
1334 | Scope *CurScope = getCurScope(); | ||||
1335 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) | ||||
1336 | CurScope = CurScope->getParent(); | ||||
1337 | return CurScope != TopScope; | ||||
1338 | } | ||||
1339 | } | ||||
1340 | return false; | ||||
1341 | } | ||||
1342 | |||||
1343 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, | ||||
1344 | bool AcceptIfMutable = true, | ||||
1345 | bool *IsClassType = nullptr) { | ||||
1346 | ASTContext &Context = SemaRef.getASTContext(); | ||||
1347 | Type = Type.getNonReferenceType().getCanonicalType(); | ||||
1348 | bool IsConstant = Type.isConstant(Context); | ||||
1349 | Type = Context.getBaseElementType(Type); | ||||
1350 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus | ||||
1351 | ? Type->getAsCXXRecordDecl() | ||||
1352 | : nullptr; | ||||
1353 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | ||||
1354 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) | ||||
1355 | RD = CTD->getTemplatedDecl(); | ||||
1356 | if (IsClassType) | ||||
1357 | *IsClassType = RD; | ||||
1358 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && | ||||
1359 | RD->hasDefinition() && RD->hasMutableFields()); | ||||
1360 | } | ||||
1361 | |||||
1362 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, | ||||
1363 | QualType Type, OpenMPClauseKind CKind, | ||||
1364 | SourceLocation ELoc, | ||||
1365 | bool AcceptIfMutable = true, | ||||
1366 | bool ListItemNotVar = false) { | ||||
1367 | ASTContext &Context = SemaRef.getASTContext(); | ||||
1368 | bool IsClassType; | ||||
1369 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { | ||||
1370 | unsigned Diag = ListItemNotVar | ||||
1371 | ? diag::err_omp_const_list_item | ||||
1372 | : IsClassType ? diag::err_omp_const_not_mutable_variable | ||||
1373 | : diag::err_omp_const_variable; | ||||
1374 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); | ||||
1375 | if (!ListItemNotVar && D) { | ||||
1376 | const VarDecl *VD = dyn_cast<VarDecl>(D); | ||||
1377 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
1378 | VarDecl::DeclarationOnly; | ||||
1379 | SemaRef.Diag(D->getLocation(), | ||||
1380 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
1381 | << D; | ||||
1382 | } | ||||
1383 | return true; | ||||
1384 | } | ||||
1385 | return false; | ||||
1386 | } | ||||
1387 | |||||
1388 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, | ||||
1389 | bool FromParent) { | ||||
1390 | D = getCanonicalDecl(D); | ||||
1391 | DSAVarData DVar; | ||||
1392 | |||||
1393 | auto *VD = dyn_cast<VarDecl>(D); | ||||
1394 | auto TI = Threadprivates.find(D); | ||||
1395 | if (TI != Threadprivates.end()) { | ||||
1396 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | ||||
1397 | DVar.CKind = OMPC_threadprivate; | ||||
1398 | return DVar; | ||||
1399 | } | ||||
1400 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | ||||
1401 | DVar.RefExpr = buildDeclRefExpr( | ||||
1402 | SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1403 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | ||||
1404 | DVar.CKind = OMPC_threadprivate; | ||||
1405 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||
1406 | return DVar; | ||||
1407 | } | ||||
1408 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1409 | // in a Construct, C/C++, predetermined, p.1] | ||||
1410 | // Variables appearing in threadprivate directives are threadprivate. | ||||
1411 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | ||||
1412 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||
1413 | SemaRef.getLangOpts().OpenMPUseTLS && | ||||
1414 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | ||||
1415 | (VD && VD->getStorageClass() == SC_Register && | ||||
1416 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | ||||
1417 | DVar.RefExpr = buildDeclRefExpr( | ||||
1418 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); | ||||
1419 | DVar.CKind = OMPC_threadprivate; | ||||
1420 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||
1421 | return DVar; | ||||
1422 | } | ||||
1423 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && | ||||
1424 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && | ||||
1425 | !isLoopControlVariable(D).first) { | ||||
1426 | const_iterator IterTarget = | ||||
1427 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { | ||||
1428 | return isOpenMPTargetExecutionDirective(Data.Directive); | ||||
1429 | }); | ||||
1430 | if (IterTarget != end()) { | ||||
1431 | const_iterator ParentIterTarget = IterTarget + 1; | ||||
1432 | for (const_iterator Iter = begin(); | ||||
1433 | Iter != ParentIterTarget; ++Iter) { | ||||
1434 | if (isOpenMPLocal(VD, Iter)) { | ||||
1435 | DVar.RefExpr = | ||||
1436 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1437 | D->getLocation()); | ||||
1438 | DVar.CKind = OMPC_threadprivate; | ||||
1439 | return DVar; | ||||
1440 | } | ||||
1441 | } | ||||
1442 | if (!isClauseParsingMode() || IterTarget != begin()) { | ||||
1443 | auto DSAIter = IterTarget->SharingMap.find(D); | ||||
1444 | if (DSAIter != IterTarget->SharingMap.end() && | ||||
1445 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { | ||||
1446 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); | ||||
1447 | DVar.CKind = OMPC_threadprivate; | ||||
1448 | return DVar; | ||||
1449 | } | ||||
1450 | const_iterator End = end(); | ||||
1451 | if (!SemaRef.isOpenMPCapturedByRef( | ||||
1452 | D, std::distance(ParentIterTarget, End), | ||||
1453 | /*OpenMPCaptureLevel=*/0)) { | ||||
1454 | DVar.RefExpr = | ||||
1455 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||
1456 | IterTarget->ConstructLoc); | ||||
1457 | DVar.CKind = OMPC_threadprivate; | ||||
1458 | return DVar; | ||||
1459 | } | ||||
1460 | } | ||||
1461 | } | ||||
1462 | } | ||||
1463 | |||||
1464 | if (isStackEmpty()) | ||||
1465 | // Not in OpenMP execution region and top scope was already checked. | ||||
1466 | return DVar; | ||||
1467 | |||||
1468 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1469 | // in a Construct, C/C++, predetermined, p.4] | ||||
1470 | // Static data members are shared. | ||||
1471 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1472 | // in a Construct, C/C++, predetermined, p.7] | ||||
1473 | // Variables with static storage duration that are declared in a scope | ||||
1474 | // inside the construct are shared. | ||||
1475 | if (VD && VD->isStaticDataMember()) { | ||||
1476 | // Check for explicitly specified attributes. | ||||
1477 | const_iterator I = begin(); | ||||
1478 | const_iterator EndI = end(); | ||||
1479 | if (FromParent && I != EndI) | ||||
1480 | ++I; | ||||
1481 | auto It = I->SharingMap.find(D); | ||||
1482 | if (It != I->SharingMap.end()) { | ||||
1483 | const DSAInfo &Data = It->getSecond(); | ||||
1484 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1485 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1486 | DVar.CKind = Data.Attributes; | ||||
1487 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||
1488 | DVar.DKind = I->Directive; | ||||
1489 | return DVar; | ||||
1490 | } | ||||
1491 | |||||
1492 | DVar.CKind = OMPC_shared; | ||||
1493 | return DVar; | ||||
1494 | } | ||||
1495 | |||||
1496 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; | ||||
1497 | // The predetermined shared attribute for const-qualified types having no | ||||
1498 | // mutable members was removed after OpenMP 3.1. | ||||
1499 | if (SemaRef.LangOpts.OpenMP <= 31) { | ||||
1500 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
1501 | // in a Construct, C/C++, predetermined, p.6] | ||||
1502 | // Variables with const qualified type having no mutable member are | ||||
1503 | // shared. | ||||
1504 | if (isConstNotMutableType(SemaRef, D->getType())) { | ||||
1505 | // Variables with const-qualified type having no mutable member may be | ||||
1506 | // listed in a firstprivate clause, even if they are static data members. | ||||
1507 | DSAVarData DVarTemp = hasInnermostDSA( | ||||
1508 | D, | ||||
1509 | [](OpenMPClauseKind C) { | ||||
1510 | return C == OMPC_firstprivate || C == OMPC_shared; | ||||
1511 | }, | ||||
1512 | MatchesAlways, FromParent); | ||||
1513 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | ||||
1514 | return DVarTemp; | ||||
1515 | |||||
1516 | DVar.CKind = OMPC_shared; | ||||
1517 | return DVar; | ||||
1518 | } | ||||
1519 | } | ||||
1520 | |||||
1521 | // Explicitly specified attributes and local variables with predetermined | ||||
1522 | // attributes. | ||||
1523 | const_iterator I = begin(); | ||||
1524 | const_iterator EndI = end(); | ||||
1525 | if (FromParent && I != EndI) | ||||
1526 | ++I; | ||||
1527 | auto It = I->SharingMap.find(D); | ||||
1528 | if (It != I->SharingMap.end()) { | ||||
1529 | const DSAInfo &Data = It->getSecond(); | ||||
1530 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||
1531 | DVar.PrivateCopy = Data.PrivateCopy; | ||||
1532 | DVar.CKind = Data.Attributes; | ||||
1533 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||
1534 | DVar.DKind = I->Directive; | ||||
1535 | } | ||||
1536 | |||||
1537 | return DVar; | ||||
1538 | } | ||||
1539 | |||||
1540 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | ||||
1541 | bool FromParent) const { | ||||
1542 | if (isStackEmpty()) { | ||||
1543 | const_iterator I; | ||||
1544 | return getDSA(I, D); | ||||
1545 | } | ||||
1546 | D = getCanonicalDecl(D); | ||||
1547 | const_iterator StartI = begin(); | ||||
1548 | const_iterator EndI = end(); | ||||
1549 | if (FromParent && StartI != EndI) | ||||
1550 | ++StartI; | ||||
1551 | return getDSA(StartI, D); | ||||
1552 | } | ||||
1553 | |||||
1554 | const DSAStackTy::DSAVarData | ||||
1555 | DSAStackTy::hasDSA(ValueDecl *D, | ||||
1556 | const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
1557 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1558 | bool FromParent) const { | ||||
1559 | if (isStackEmpty()) | ||||
1560 | return {}; | ||||
1561 | D = getCanonicalDecl(D); | ||||
1562 | const_iterator I = begin(); | ||||
1563 | const_iterator EndI = end(); | ||||
1564 | if (FromParent && I != EndI) | ||||
1565 | ++I; | ||||
1566 | for (; I != EndI; ++I) { | ||||
1567 | if (!DPred(I->Directive) && | ||||
1568 | !isImplicitOrExplicitTaskingRegion(I->Directive)) | ||||
1569 | continue; | ||||
1570 | const_iterator NewI = I; | ||||
1571 | DSAVarData DVar = getDSA(NewI, D); | ||||
1572 | if (I == NewI && CPred(DVar.CKind)) | ||||
1573 | return DVar; | ||||
1574 | } | ||||
1575 | return {}; | ||||
1576 | } | ||||
1577 | |||||
1578 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | ||||
1579 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
1580 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1581 | bool FromParent) const { | ||||
1582 | if (isStackEmpty()) | ||||
1583 | return {}; | ||||
1584 | D = getCanonicalDecl(D); | ||||
1585 | const_iterator StartI = begin(); | ||||
1586 | const_iterator EndI = end(); | ||||
1587 | if (FromParent && StartI != EndI) | ||||
1588 | ++StartI; | ||||
1589 | if (StartI == EndI || !DPred(StartI->Directive)) | ||||
1590 | return {}; | ||||
1591 | const_iterator NewI = StartI; | ||||
1592 | DSAVarData DVar = getDSA(NewI, D); | ||||
1593 | return (NewI == StartI && CPred(DVar.CKind)) ? DVar : DSAVarData(); | ||||
1594 | } | ||||
1595 | |||||
1596 | bool DSAStackTy::hasExplicitDSA( | ||||
1597 | const ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> CPred, | ||||
1598 | unsigned Level, bool NotLastprivate) const { | ||||
1599 | if (getStackSize() <= Level) | ||||
1600 | return false; | ||||
1601 | D = getCanonicalDecl(D); | ||||
1602 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
1603 | auto I = StackElem.SharingMap.find(D); | ||||
1604 | if (I != StackElem.SharingMap.end() && | ||||
1605 | I->getSecond().RefExpr.getPointer() && | ||||
1606 | CPred(I->getSecond().Attributes) && | ||||
1607 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) | ||||
1608 | return true; | ||||
1609 | // Check predetermined rules for the loop control variables. | ||||
1610 | auto LI = StackElem.LCVMap.find(D); | ||||
1611 | if (LI != StackElem.LCVMap.end()) | ||||
1612 | return CPred(OMPC_private); | ||||
1613 | return false; | ||||
1614 | } | ||||
1615 | |||||
1616 | bool DSAStackTy::hasExplicitDirective( | ||||
1617 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||
1618 | unsigned Level) const { | ||||
1619 | if (getStackSize() <= Level) | ||||
1620 | return false; | ||||
1621 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||
1622 | return DPred(StackElem.Directive); | ||||
1623 | } | ||||
1624 | |||||
1625 | bool DSAStackTy::hasDirective( | ||||
1626 | const llvm::function_ref<bool(OpenMPDirectiveKind, | ||||
1627 | const DeclarationNameInfo &, SourceLocation)> | ||||
1628 | DPred, | ||||
1629 | bool FromParent) const { | ||||
1630 | // We look only in the enclosing region. | ||||
1631 | size_t Skip = FromParent ? 2 : 1; | ||||
1632 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); | ||||
1633 | I != E; ++I) { | ||||
1634 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | ||||
1635 | return true; | ||||
1636 | } | ||||
1637 | return false; | ||||
1638 | } | ||||
1639 | |||||
1640 | void Sema::InitDataSharingAttributesStack() { | ||||
1641 | VarDataSharingAttributesStack = new DSAStackTy(*this); | ||||
1642 | } | ||||
1643 | |||||
1644 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | ||||
1645 | |||||
1646 | void Sema::pushOpenMPFunctionRegion() { | ||||
1647 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | ||||
1648 | } | ||||
1649 | |||||
1650 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | ||||
1651 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | ||||
1652 | } | ||||
1653 | |||||
1654 | static bool isOpenMPDeviceDelayedContext(Sema &S) { | ||||
1655 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1656, __PRETTY_FUNCTION__)) | ||||
1656 | "Expected OpenMP device compilation.")((S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1656, __PRETTY_FUNCTION__)); | ||||
1657 | return !S.isInOpenMPTargetExecutionDirective() && | ||||
1658 | !S.isInOpenMPDeclareTargetContext(); | ||||
1659 | } | ||||
1660 | |||||
1661 | namespace { | ||||
1662 | /// Status of the function emission on the host/device. | ||||
1663 | enum class FunctionEmissionStatus { | ||||
1664 | Emitted, | ||||
1665 | Discarded, | ||||
1666 | Unknown, | ||||
1667 | }; | ||||
1668 | } // anonymous namespace | ||||
1669 | |||||
1670 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, | ||||
1671 | unsigned DiagID) { | ||||
1672 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1673, __PRETTY_FUNCTION__)) | ||||
1673 | "Expected OpenMP device compilation.")((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1673, __PRETTY_FUNCTION__)); | ||||
1674 | FunctionEmissionStatus FES = getEmissionStatus(getCurFunctionDecl()); | ||||
1675 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | ||||
1676 | switch (FES) { | ||||
1677 | case FunctionEmissionStatus::Emitted: | ||||
1678 | Kind = DeviceDiagBuilder::K_Immediate; | ||||
1679 | break; | ||||
1680 | case FunctionEmissionStatus::Unknown: | ||||
1681 | Kind = isOpenMPDeviceDelayedContext(*this) ? DeviceDiagBuilder::K_Deferred | ||||
1682 | : DeviceDiagBuilder::K_Immediate; | ||||
1683 | break; | ||||
1684 | case FunctionEmissionStatus::TemplateDiscarded: | ||||
1685 | case FunctionEmissionStatus::OMPDiscarded: | ||||
1686 | Kind = DeviceDiagBuilder::K_Nop; | ||||
1687 | break; | ||||
1688 | case FunctionEmissionStatus::CUDADiscarded: | ||||
1689 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")::llvm::llvm_unreachable_internal("CUDADiscarded unexpected in OpenMP device compilation" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1689); | ||||
1690 | break; | ||||
1691 | } | ||||
1692 | |||||
1693 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | ||||
1694 | } | ||||
1695 | |||||
1696 | Sema::DeviceDiagBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, | ||||
1697 | unsigned DiagID) { | ||||
1698 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1699, __PRETTY_FUNCTION__)) | ||||
1699 | "Expected OpenMP host compilation.")((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1699, __PRETTY_FUNCTION__)); | ||||
1700 | FunctionEmissionStatus FES = getEmissionStatus(getCurFunctionDecl()); | ||||
1701 | DeviceDiagBuilder::Kind Kind = DeviceDiagBuilder::K_Nop; | ||||
1702 | switch (FES) { | ||||
1703 | case FunctionEmissionStatus::Emitted: | ||||
1704 | Kind = DeviceDiagBuilder::K_Immediate; | ||||
1705 | break; | ||||
1706 | case FunctionEmissionStatus::Unknown: | ||||
1707 | Kind = DeviceDiagBuilder::K_Deferred; | ||||
1708 | break; | ||||
1709 | case FunctionEmissionStatus::TemplateDiscarded: | ||||
1710 | case FunctionEmissionStatus::OMPDiscarded: | ||||
1711 | case FunctionEmissionStatus::CUDADiscarded: | ||||
1712 | Kind = DeviceDiagBuilder::K_Nop; | ||||
1713 | break; | ||||
1714 | } | ||||
1715 | |||||
1716 | return DeviceDiagBuilder(Kind, Loc, DiagID, getCurFunctionDecl(), *this); | ||||
1717 | } | ||||
1718 | |||||
1719 | void Sema::checkOpenMPDeviceFunction(SourceLocation Loc, FunctionDecl *Callee, | ||||
1720 | bool CheckForDelayedContext) { | ||||
1721 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1722, __PRETTY_FUNCTION__)) | ||||
1722 | "Expected OpenMP device compilation.")((LangOpts.OpenMP && LangOpts.OpenMPIsDevice && "Expected OpenMP device compilation.") ? static_cast<void > (0) : __assert_fail ("LangOpts.OpenMP && LangOpts.OpenMPIsDevice && \"Expected OpenMP device compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1722, __PRETTY_FUNCTION__)); | ||||
1723 | assert(Callee && "Callee may not be null.")((Callee && "Callee may not be null.") ? static_cast< void> (0) : __assert_fail ("Callee && \"Callee may not be null.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1723, __PRETTY_FUNCTION__)); | ||||
1724 | Callee = Callee->getMostRecentDecl(); | ||||
1725 | FunctionDecl *Caller = getCurFunctionDecl(); | ||||
1726 | |||||
1727 | // host only function are not available on the device. | ||||
1728 | if (Caller) { | ||||
1729 | FunctionEmissionStatus CallerS = getEmissionStatus(Caller); | ||||
1730 | FunctionEmissionStatus CalleeS = getEmissionStatus(Callee); | ||||
1731 | assert(CallerS != FunctionEmissionStatus::CUDADiscarded &&((CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && "CUDADiscarded unexpected in OpenMP device function check" ) ? static_cast<void> (0) : __assert_fail ("CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && \"CUDADiscarded unexpected in OpenMP device function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1733, __PRETTY_FUNCTION__)) | ||||
1732 | CalleeS != FunctionEmissionStatus::CUDADiscarded &&((CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && "CUDADiscarded unexpected in OpenMP device function check" ) ? static_cast<void> (0) : __assert_fail ("CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && \"CUDADiscarded unexpected in OpenMP device function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1733, __PRETTY_FUNCTION__)) | ||||
1733 | "CUDADiscarded unexpected in OpenMP device function check")((CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && "CUDADiscarded unexpected in OpenMP device function check" ) ? static_cast<void> (0) : __assert_fail ("CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded && \"CUDADiscarded unexpected in OpenMP device function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1733, __PRETTY_FUNCTION__)); | ||||
1734 | if ((CallerS == FunctionEmissionStatus::Emitted || | ||||
1735 | (!isOpenMPDeviceDelayedContext(*this) && | ||||
1736 | CallerS == FunctionEmissionStatus::Unknown)) && | ||||
1737 | CalleeS == FunctionEmissionStatus::OMPDiscarded) { | ||||
1738 | StringRef HostDevTy = getOpenMPSimpleClauseTypeName( | ||||
1739 | OMPC_device_type, OMPC_DEVICE_TYPE_host); | ||||
1740 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; | ||||
1741 | Diag(Callee->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | ||||
1742 | diag::note_omp_marked_device_type_here) | ||||
1743 | << HostDevTy; | ||||
1744 | return; | ||||
1745 | } | ||||
1746 | } | ||||
1747 | // If the caller is known-emitted, mark the callee as known-emitted. | ||||
1748 | // Otherwise, mark the call in our call graph so we can traverse it later. | ||||
1749 | if ((CheckForDelayedContext && !isOpenMPDeviceDelayedContext(*this)) || | ||||
1750 | (!Caller && !CheckForDelayedContext) || | ||||
1751 | (Caller && getEmissionStatus(Caller) == FunctionEmissionStatus::Emitted)) | ||||
1752 | markKnownEmitted(*this, Caller, Callee, Loc, | ||||
1753 | [CheckForDelayedContext](Sema &S, FunctionDecl *FD) { | ||||
1754 | return CheckForDelayedContext && | ||||
1755 | S.getEmissionStatus(FD) == | ||||
1756 | FunctionEmissionStatus::Emitted; | ||||
1757 | }); | ||||
1758 | else if (Caller) | ||||
1759 | DeviceCallGraph[Caller].insert({Callee, Loc}); | ||||
1760 | } | ||||
1761 | |||||
1762 | void Sema::checkOpenMPHostFunction(SourceLocation Loc, FunctionDecl *Callee, | ||||
1763 | bool CheckCaller) { | ||||
1764 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1765, __PRETTY_FUNCTION__)) | ||||
1765 | "Expected OpenMP host compilation.")((LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && "Expected OpenMP host compilation.") ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && !LangOpts.OpenMPIsDevice && \"Expected OpenMP host compilation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1765, __PRETTY_FUNCTION__)); | ||||
1766 | assert(Callee && "Callee may not be null.")((Callee && "Callee may not be null.") ? static_cast< void> (0) : __assert_fail ("Callee && \"Callee may not be null.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1766, __PRETTY_FUNCTION__)); | ||||
1767 | Callee = Callee->getMostRecentDecl(); | ||||
1768 | FunctionDecl *Caller = getCurFunctionDecl(); | ||||
1769 | |||||
1770 | // device only function are not available on the host. | ||||
1771 | if (Caller) { | ||||
1772 | FunctionEmissionStatus CallerS = getEmissionStatus(Caller); | ||||
1773 | FunctionEmissionStatus CalleeS = getEmissionStatus(Callee); | ||||
1774 | assert((((LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded) ) && "CUDADiscarded unexpected in OpenMP host function check" ) ? static_cast<void> (0) : __assert_fail ("(LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded)) && \"CUDADiscarded unexpected in OpenMP host function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1777, __PRETTY_FUNCTION__)) | ||||
1775 | (LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded &&(((LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded) ) && "CUDADiscarded unexpected in OpenMP host function check" ) ? static_cast<void> (0) : __assert_fail ("(LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded)) && \"CUDADiscarded unexpected in OpenMP host function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1777, __PRETTY_FUNCTION__)) | ||||
1776 | CalleeS != FunctionEmissionStatus::CUDADiscarded)) &&(((LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded) ) && "CUDADiscarded unexpected in OpenMP host function check" ) ? static_cast<void> (0) : __assert_fail ("(LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded)) && \"CUDADiscarded unexpected in OpenMP host function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1777, __PRETTY_FUNCTION__)) | ||||
1777 | "CUDADiscarded unexpected in OpenMP host function check")(((LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded) ) && "CUDADiscarded unexpected in OpenMP host function check" ) ? static_cast<void> (0) : __assert_fail ("(LangOpts.CUDA || (CallerS != FunctionEmissionStatus::CUDADiscarded && CalleeS != FunctionEmissionStatus::CUDADiscarded)) && \"CUDADiscarded unexpected in OpenMP host function check\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1777, __PRETTY_FUNCTION__)); | ||||
1778 | if (CallerS == FunctionEmissionStatus::Emitted && | ||||
1779 | CalleeS == FunctionEmissionStatus::OMPDiscarded) { | ||||
1780 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | ||||
1781 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | ||||
1782 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; | ||||
1783 | Diag(Callee->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | ||||
1784 | diag::note_omp_marked_device_type_here) | ||||
1785 | << NoHostDevTy; | ||||
1786 | return; | ||||
1787 | } | ||||
1788 | } | ||||
1789 | // If the caller is known-emitted, mark the callee as known-emitted. | ||||
1790 | // Otherwise, mark the call in our call graph so we can traverse it later. | ||||
1791 | if (!shouldIgnoreInHostDeviceCheck(Callee)) { | ||||
1792 | if ((!CheckCaller && !Caller) || | ||||
1793 | (Caller && | ||||
1794 | getEmissionStatus(Caller) == FunctionEmissionStatus::Emitted)) | ||||
1795 | markKnownEmitted( | ||||
1796 | *this, Caller, Callee, Loc, [CheckCaller](Sema &S, FunctionDecl *FD) { | ||||
1797 | return CheckCaller && | ||||
1798 | S.getEmissionStatus(FD) == FunctionEmissionStatus::Emitted; | ||||
1799 | }); | ||||
1800 | else if (Caller) | ||||
1801 | DeviceCallGraph[Caller].insert({Callee, Loc}); | ||||
1802 | } | ||||
1803 | } | ||||
1804 | |||||
1805 | void Sema::checkOpenMPDeviceExpr(const Expr *E) { | ||||
1806 | assert(getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice &&((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "OpenMP device compilation mode is expected.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"OpenMP device compilation mode is expected.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1807, __PRETTY_FUNCTION__)) | ||||
1807 | "OpenMP device compilation mode is expected.")((getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && "OpenMP device compilation mode is expected.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && getLangOpts().OpenMPIsDevice && \"OpenMP device compilation mode is expected.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1807, __PRETTY_FUNCTION__)); | ||||
1808 | QualType Ty = E->getType(); | ||||
1809 | if ((Ty->isFloat16Type() && !Context.getTargetInfo().hasFloat16Type()) || | ||||
1810 | ((Ty->isFloat128Type() || | ||||
1811 | (Ty->isRealFloatingType() && Context.getTypeSize(Ty) == 128)) && | ||||
1812 | !Context.getTargetInfo().hasFloat128Type()) || | ||||
1813 | (Ty->isIntegerType() && Context.getTypeSize(Ty) == 128 && | ||||
1814 | !Context.getTargetInfo().hasInt128Type())) | ||||
1815 | targetDiag(E->getExprLoc(), diag::err_omp_unsupported_type) | ||||
1816 | << static_cast<unsigned>(Context.getTypeSize(Ty)) << Ty | ||||
1817 | << Context.getTargetInfo().getTriple().str() << E->getSourceRange(); | ||||
1818 | } | ||||
1819 | |||||
1820 | static OpenMPDefaultmapClauseKind | ||||
1821 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { | ||||
1822 | if (LO.OpenMP <= 45) { | ||||
1823 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||
1824 | return OMPC_DEFAULTMAP_scalar; | ||||
1825 | return OMPC_DEFAULTMAP_aggregate; | ||||
1826 | } | ||||
1827 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) | ||||
1828 | return OMPC_DEFAULTMAP_pointer; | ||||
1829 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||
1830 | return OMPC_DEFAULTMAP_scalar; | ||||
1831 | return OMPC_DEFAULTMAP_aggregate; | ||||
1832 | } | ||||
1833 | |||||
1834 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, | ||||
1835 | unsigned OpenMPCaptureLevel) const { | ||||
1836 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1836, __PRETTY_FUNCTION__)); | ||||
1837 | |||||
1838 | ASTContext &Ctx = getASTContext(); | ||||
1839 | bool IsByRef = true; | ||||
1840 | |||||
1841 | // Find the directive that is associated with the provided scope. | ||||
1842 | D = cast<ValueDecl>(D->getCanonicalDecl()); | ||||
1843 | QualType Ty = D->getType(); | ||||
1844 | |||||
1845 | bool IsVariableUsedInMapClause = false; | ||||
1846 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | ||||
1847 | // This table summarizes how a given variable should be passed to the device | ||||
1848 | // given its type and the clauses where it appears. This table is based on | ||||
1849 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | ||||
1850 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | ||||
1851 | // | ||||
1852 | // ========================================================================= | ||||
1853 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | ||||
1854 | // | |(tofrom:scalar)| | pvt | | | | | ||||
1855 | // ========================================================================= | ||||
1856 | // | scl | | | | - | | bycopy| | ||||
1857 | // | scl | | - | x | - | - | bycopy| | ||||
1858 | // | scl | | x | - | - | - | null | | ||||
1859 | // | scl | x | | | - | | byref | | ||||
1860 | // | scl | x | - | x | - | - | bycopy| | ||||
1861 | // | scl | x | x | - | - | - | null | | ||||
1862 | // | scl | | - | - | - | x | byref | | ||||
1863 | // | scl | x | - | - | - | x | byref | | ||||
1864 | // | ||||
1865 | // | agg | n.a. | | | - | | byref | | ||||
1866 | // | agg | n.a. | - | x | - | - | byref | | ||||
1867 | // | agg | n.a. | x | - | - | - | null | | ||||
1868 | // | agg | n.a. | - | - | - | x | byref | | ||||
1869 | // | agg | n.a. | - | - | - | x[] | byref | | ||||
1870 | // | ||||
1871 | // | ptr | n.a. | | | - | | bycopy| | ||||
1872 | // | ptr | n.a. | - | x | - | - | bycopy| | ||||
1873 | // | ptr | n.a. | x | - | - | - | null | | ||||
1874 | // | ptr | n.a. | - | - | - | x | byref | | ||||
1875 | // | ptr | n.a. | - | - | - | x[] | bycopy| | ||||
1876 | // | ptr | n.a. | - | - | x | | bycopy| | ||||
1877 | // | ptr | n.a. | - | - | x | x | bycopy| | ||||
1878 | // | ptr | n.a. | - | - | x | x[] | bycopy| | ||||
1879 | // ========================================================================= | ||||
1880 | // Legend: | ||||
1881 | // scl - scalar | ||||
1882 | // ptr - pointer | ||||
1883 | // agg - aggregate | ||||
1884 | // x - applies | ||||
1885 | // - - invalid in this combination | ||||
1886 | // [] - mapped with an array section | ||||
1887 | // byref - should be mapped by reference | ||||
1888 | // byval - should be mapped by value | ||||
1889 | // null - initialize a local variable to null on the device | ||||
1890 | // | ||||
1891 | // Observations: | ||||
1892 | // - All scalar declarations that show up in a map clause have to be passed | ||||
1893 | // by reference, because they may have been mapped in the enclosing data | ||||
1894 | // environment. | ||||
1895 | // - If the scalar value does not fit the size of uintptr, it has to be | ||||
1896 | // passed by reference, regardless the result in the table above. | ||||
1897 | // - For pointers mapped by value that have either an implicit map or an | ||||
1898 | // array section, the runtime library may pass the NULL value to the | ||||
1899 | // device instead of the value passed to it by the compiler. | ||||
1900 | |||||
1901 | if (Ty->isReferenceType()) | ||||
1902 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | ||||
1903 | |||||
1904 | // Locate map clauses and see if the variable being captured is referred to | ||||
1905 | // in any of those clauses. Here we only care about variables, not fields, | ||||
1906 | // because fields are part of aggregates. | ||||
1907 | bool IsVariableAssociatedWithSection = false; | ||||
1908 | |||||
1909 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||
1910 | D, Level, | ||||
1911 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( | ||||
1912 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
1913 | MapExprComponents, | ||||
1914 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
1915 | // Only the map clause information influences how a variable is | ||||
1916 | // captured. E.g. is_device_ptr does not require changing the default | ||||
1917 | // behavior. | ||||
1918 | if (WhereFoundClauseKind != OMPC_map) | ||||
1919 | return false; | ||||
1920 | |||||
1921 | auto EI = MapExprComponents.rbegin(); | ||||
1922 | auto EE = MapExprComponents.rend(); | ||||
1923 | |||||
1924 | assert(EI != EE && "Invalid map expression!")((EI != EE && "Invalid map expression!") ? static_cast <void> (0) : __assert_fail ("EI != EE && \"Invalid map expression!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1924, __PRETTY_FUNCTION__)); | ||||
1925 | |||||
1926 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | ||||
1927 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | ||||
1928 | |||||
1929 | ++EI; | ||||
1930 | if (EI == EE) | ||||
1931 | return false; | ||||
1932 | |||||
1933 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | ||||
1934 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | ||||
1935 | isa<MemberExpr>(EI->getAssociatedExpression())) { | ||||
1936 | IsVariableAssociatedWithSection = true; | ||||
1937 | // There is nothing more we need to know about this variable. | ||||
1938 | return true; | ||||
1939 | } | ||||
1940 | |||||
1941 | // Keep looking for more map info. | ||||
1942 | return false; | ||||
1943 | }); | ||||
1944 | |||||
1945 | if (IsVariableUsedInMapClause) { | ||||
1946 | // If variable is identified in a map clause it is always captured by | ||||
1947 | // reference except if it is a pointer that is dereferenced somehow. | ||||
1948 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | ||||
1949 | } else { | ||||
1950 | // By default, all the data that has a scalar type is mapped by copy | ||||
1951 | // (except for reduction variables). | ||||
1952 | // Defaultmap scalar is mutual exclusive to defaultmap pointer | ||||
1953 | IsByRef = | ||||
1954 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && | ||||
1955 | !Ty->isAnyPointerType()) || | ||||
1956 | !Ty->isScalarType() || | ||||
1957 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( | ||||
1958 | Level, getVariableCategoryFromDecl(LangOpts, D)) || | ||||
1959 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
1960 | D, [](OpenMPClauseKind K) { return K == OMPC_reduction; }, Level); | ||||
1961 | } | ||||
1962 | } | ||||
1963 | |||||
1964 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | ||||
1965 | IsByRef = | ||||
1966 | ((IsVariableUsedInMapClause && | ||||
1967 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == | ||||
1968 | OMPD_target) || | ||||
1969 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
1970 | D, | ||||
1971 | [](OpenMPClauseKind K) -> bool { return K == OMPC_firstprivate; }, | ||||
1972 | Level, /*NotLastprivate=*/true)) && | ||||
1973 | // If the variable is artificial and must be captured by value - try to | ||||
1974 | // capture by value. | ||||
1975 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | ||||
1976 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()); | ||||
1977 | } | ||||
1978 | |||||
1979 | // When passing data by copy, we need to make sure it fits the uintptr size | ||||
1980 | // and alignment, because the runtime library only deals with uintptr types. | ||||
1981 | // If it does not fit the uintptr size, we need to pass the data by reference | ||||
1982 | // instead. | ||||
1983 | if (!IsByRef && | ||||
1984 | (Ctx.getTypeSizeInChars(Ty) > | ||||
1985 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | ||||
1986 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | ||||
1987 | IsByRef = true; | ||||
1988 | } | ||||
1989 | |||||
1990 | return IsByRef; | ||||
1991 | } | ||||
1992 | |||||
1993 | unsigned Sema::getOpenMPNestingLevel() const { | ||||
1994 | assert(getLangOpts().OpenMP)((getLangOpts().OpenMP) ? static_cast<void> (0) : __assert_fail ("getLangOpts().OpenMP", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 1994, __PRETTY_FUNCTION__)); | ||||
1995 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | ||||
1996 | } | ||||
1997 | |||||
1998 | bool Sema::isInOpenMPTargetExecutionDirective() const { | ||||
1999 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
2000 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | ||||
2001 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | ||||
2002 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||
2003 | SourceLocation) -> bool { | ||||
2004 | return isOpenMPTargetExecutionDirective(K); | ||||
2005 | }, | ||||
2006 | false); | ||||
2007 | } | ||||
2008 | |||||
2009 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, | ||||
2010 | unsigned StopAt) { | ||||
2011 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2011, __PRETTY_FUNCTION__)); | ||||
2012 | D = getCanonicalDecl(D); | ||||
2013 | |||||
2014 | auto *VD = dyn_cast<VarDecl>(D); | ||||
2015 | // Do not capture constexpr variables. | ||||
2016 | if (VD && VD->isConstexpr()) | ||||
2017 | return nullptr; | ||||
2018 | |||||
2019 | // If we want to determine whether the variable should be captured from the | ||||
2020 | // perspective of the current capturing scope, and we've already left all the | ||||
2021 | // capturing scopes of the top directive on the stack, check from the | ||||
2022 | // perspective of its parent directive (if any) instead. | ||||
2023 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( | ||||
2024 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isBodyComplete()); | ||||
2025 | |||||
2026 | // If we are attempting to capture a global variable in a directive with | ||||
2027 | // 'target' we return true so that this global is also mapped to the device. | ||||
2028 | // | ||||
2029 | if (VD && !VD->hasLocalStorage() && | ||||
2030 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { | ||||
2031 | if (isInOpenMPDeclareTargetContext()) { | ||||
2032 | // Try to mark variable as declare target if it is used in capturing | ||||
2033 | // regions. | ||||
2034 | if (LangOpts.OpenMP <= 45 && | ||||
2035 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||
2036 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); | ||||
2037 | return nullptr; | ||||
2038 | } else if (isInOpenMPTargetExecutionDirective()) { | ||||
2039 | // If the declaration is enclosed in a 'declare target' directive, | ||||
2040 | // then it should not be captured. | ||||
2041 | // | ||||
2042 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||
2043 | return nullptr; | ||||
2044 | CapturedRegionScopeInfo *CSI = nullptr; | ||||
2045 | for (FunctionScopeInfo *FSI : llvm::drop_begin( | ||||
2046 | llvm::reverse(FunctionScopes), | ||||
2047 | CheckScopeInfo ? (FunctionScopes.size() - (StopAt + 1)) : 0)) { | ||||
2048 | if (!isa<CapturingScopeInfo>(FSI)) | ||||
2049 | return nullptr; | ||||
2050 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||
2051 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||
2052 | CSI = RSI; | ||||
2053 | break; | ||||
2054 | } | ||||
2055 | } | ||||
2056 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||
2057 | getOpenMPCaptureRegions(Regions, | ||||
2058 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); | ||||
2059 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) | ||||
2060 | return VD; | ||||
2061 | } | ||||
2062 | } | ||||
2063 | |||||
2064 | if (CheckScopeInfo) { | ||||
2065 | bool OpenMPFound = false; | ||||
2066 | for (unsigned I = StopAt + 1; I > 0; --I) { | ||||
2067 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; | ||||
2068 | if(!isa<CapturingScopeInfo>(FSI)) | ||||
2069 | return nullptr; | ||||
2070 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||
2071 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||
2072 | OpenMPFound = true; | ||||
2073 | break; | ||||
2074 | } | ||||
2075 | } | ||||
2076 | if (!OpenMPFound) | ||||
2077 | return nullptr; | ||||
2078 | } | ||||
2079 | |||||
2080 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | ||||
2081 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | ||||
2082 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | ||||
2083 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | ||||
2084 | if (Info.first || | ||||
2085 | (VD && VD->hasLocalStorage() && | ||||
2086 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | ||||
2087 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | ||||
2088 | return VD ? VD : Info.second; | ||||
2089 | DSAStackTy::DSAVarData DVarPrivate = | ||||
2090 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||
2091 | if (DVarPrivate.CKind != OMPC_unknown && isOpenMPPrivate(DVarPrivate.CKind)) | ||||
2092 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | ||||
2093 | // Threadprivate variables must not be captured. | ||||
2094 | if (isOpenMPThreadPrivate(DVarPrivate.CKind)) | ||||
2095 | return nullptr; | ||||
2096 | // The variable is not private or it is the variable in the directive with | ||||
2097 | // default(none) clause and not used in any clause. | ||||
2098 | DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA(D, isOpenMPPrivate, | ||||
2099 | [](OpenMPDirectiveKind) { return true; }, | ||||
2100 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||
2101 | if (DVarPrivate.CKind != OMPC_unknown || | ||||
2102 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none)) | ||||
2103 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | ||||
2104 | } | ||||
2105 | return nullptr; | ||||
2106 | } | ||||
2107 | |||||
2108 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | ||||
2109 | unsigned Level) const { | ||||
2110 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||
2111 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
2112 | FunctionScopesIndex -= Regions.size(); | ||||
2113 | } | ||||
2114 | |||||
2115 | void Sema::startOpenMPLoop() { | ||||
2116 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((LangOpts.OpenMP && "OpenMP must be enabled.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2116, __PRETTY_FUNCTION__)); | ||||
2117 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||
2118 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); | ||||
2119 | } | ||||
2120 | |||||
2121 | void Sema::startOpenMPCXXRangeFor() { | ||||
2122 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((LangOpts.OpenMP && "OpenMP must be enabled.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP must be enabled.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2122, __PRETTY_FUNCTION__)); | ||||
2123 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
2124 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||
2125 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
2126 | } | ||||
2127 | } | ||||
2128 | |||||
2129 | bool Sema::isOpenMPPrivateDecl(const ValueDecl *D, unsigned Level) const { | ||||
2130 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2130, __PRETTY_FUNCTION__)); | ||||
2131 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
2132 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && | ||||
2133 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { | ||||
2134 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); | ||||
2135 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
2136 | return true; | ||||
2137 | } | ||||
2138 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || | ||||
2139 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && | ||||
2140 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2141 | D, [](OpenMPClauseKind K) { return K != OMPC_private; }, Level) && | ||||
2142 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||
2143 | return true; | ||||
2144 | } | ||||
2145 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | ||||
2146 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && | ||||
2147 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && | ||||
2148 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2149 | D, [](OpenMPClauseKind K) { return K == OMPC_copyin; }, Level)) | ||||
2150 | return true; | ||||
2151 | } | ||||
2152 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||
2153 | D, [](OpenMPClauseKind K) { return K == OMPC_private; }, Level) || | ||||
2154 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | ||||
2155 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | ||||
2156 | // Consider taskgroup reduction descriptor variable a private to avoid | ||||
2157 | // possible capture in the region. | ||||
2158 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | ||||
2159 | [](OpenMPDirectiveKind K) { return K == OMPD_taskgroup; }, | ||||
2160 | Level) && | ||||
2161 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level)); | ||||
2162 | } | ||||
2163 | |||||
2164 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, | ||||
2165 | unsigned Level) { | ||||
2166 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2166, __PRETTY_FUNCTION__)); | ||||
2167 | D = getCanonicalDecl(D); | ||||
2168 | OpenMPClauseKind OMPC = OMPC_unknown; | ||||
2169 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | ||||
2170 | const unsigned NewLevel = I - 1; | ||||
2171 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA(D, | ||||
2172 | [&OMPC](const OpenMPClauseKind K) { | ||||
2173 | if (isOpenMPPrivate(K)) { | ||||
2174 | OMPC = K; | ||||
2175 | return true; | ||||
2176 | } | ||||
2177 | return false; | ||||
2178 | }, | ||||
2179 | NewLevel)) | ||||
2180 | break; | ||||
2181 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||
2182 | D, NewLevel, | ||||
2183 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
2184 | OpenMPClauseKind) { return true; })) { | ||||
2185 | OMPC = OMPC_map; | ||||
2186 | break; | ||||
2187 | } | ||||
2188 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||
2189 | NewLevel)) { | ||||
2190 | OMPC = OMPC_map; | ||||
2191 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( | ||||
2192 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) | ||||
2193 | OMPC = OMPC_firstprivate; | ||||
2194 | break; | ||||
2195 | } | ||||
2196 | } | ||||
2197 | if (OMPC != OMPC_unknown) | ||||
2198 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, OMPC)); | ||||
2199 | } | ||||
2200 | |||||
2201 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, | ||||
2202 | unsigned CaptureLevel) const { | ||||
2203 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((LangOpts.OpenMP && "OpenMP is not allowed") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2203, __PRETTY_FUNCTION__)); | ||||
2204 | // Return true if the current level is no longer enclosed in a target region. | ||||
2205 | |||||
2206 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||
2207 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
2208 | const auto *VD = dyn_cast<VarDecl>(D); | ||||
2209 | return VD && !VD->hasLocalStorage() && | ||||
2210 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||
2211 | Level) && | ||||
2212 | Regions[CaptureLevel] != OMPD_task; | ||||
2213 | } | ||||
2214 | |||||
2215 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | ||||
2216 | |||||
2217 | void Sema::finalizeOpenMPDelayedAnalysis() { | ||||
2218 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")((LangOpts.OpenMP && "Expected OpenMP compilation mode." ) ? static_cast<void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP compilation mode.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2218, __PRETTY_FUNCTION__)); | ||||
2219 | // Diagnose implicit declare target functions and their callees. | ||||
2220 | for (const auto &CallerCallees : DeviceCallGraph) { | ||||
2221 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
2222 | OMPDeclareTargetDeclAttr::getDeviceType( | ||||
2223 | CallerCallees.getFirst()->getMostRecentDecl()); | ||||
2224 | // Ignore host functions during device analyzis. | ||||
2225 | if (LangOpts.OpenMPIsDevice && DevTy && | ||||
2226 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) | ||||
2227 | continue; | ||||
2228 | // Ignore nohost functions during host analyzis. | ||||
2229 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||
2230 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | ||||
2231 | continue; | ||||
2232 | for (const std::pair<CanonicalDeclPtr<FunctionDecl>, SourceLocation> | ||||
2233 | &Callee : CallerCallees.getSecond()) { | ||||
2234 | const FunctionDecl *FD = Callee.first->getMostRecentDecl(); | ||||
2235 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
2236 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||
2237 | if (LangOpts.OpenMPIsDevice && DevTy && | ||||
2238 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { | ||||
2239 | // Diagnose host function called during device codegen. | ||||
2240 | StringRef HostDevTy = getOpenMPSimpleClauseTypeName( | ||||
2241 | OMPC_device_type, OMPC_DEVICE_TYPE_host); | ||||
2242 | Diag(Callee.second, diag::err_omp_wrong_device_function_call) | ||||
2243 | << HostDevTy << 0; | ||||
2244 | Diag(FD->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | ||||
2245 | diag::note_omp_marked_device_type_here) | ||||
2246 | << HostDevTy; | ||||
2247 | continue; | ||||
2248 | } | ||||
2249 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||
2250 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { | ||||
2251 | // Diagnose nohost function called during host codegen. | ||||
2252 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | ||||
2253 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | ||||
2254 | Diag(Callee.second, diag::err_omp_wrong_device_function_call) | ||||
2255 | << NoHostDevTy << 1; | ||||
2256 | Diag(FD->getAttr<OMPDeclareTargetDeclAttr>()->getLocation(), | ||||
2257 | diag::note_omp_marked_device_type_here) | ||||
2258 | << NoHostDevTy; | ||||
2259 | continue; | ||||
2260 | } | ||||
2261 | } | ||||
2262 | } | ||||
2263 | } | ||||
2264 | |||||
2265 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | ||||
2266 | const DeclarationNameInfo &DirName, | ||||
2267 | Scope *CurScope, SourceLocation Loc) { | ||||
2268 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | ||||
2269 | PushExpressionEvaluationContext( | ||||
2270 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
2271 | } | ||||
2272 | |||||
2273 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | ||||
2274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | ||||
2275 | } | ||||
2276 | |||||
2277 | void Sema::EndOpenMPClause() { | ||||
2278 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | ||||
2279 | } | ||||
2280 | |||||
2281 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||
2282 | ArrayRef<OMPClause *> Clauses); | ||||
2283 | static std::pair<ValueDecl *, bool> | ||||
2284 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | ||||
2285 | SourceRange &ERange, bool AllowArraySection = false); | ||||
2286 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||
2287 | bool WithInit); | ||||
2288 | |||||
2289 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | ||||
2290 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | ||||
2291 | // A variable of class type (or array thereof) that appears in a lastprivate | ||||
2292 | // clause requires an accessible, unambiguous default constructor for the | ||||
2293 | // class type, unless the list item is also specified in a firstprivate | ||||
2294 | // clause. | ||||
2295 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | ||||
2296 | for (OMPClause *C : D->clauses()) { | ||||
2297 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | ||||
2298 | SmallVector<Expr *, 8> PrivateCopies; | ||||
2299 | for (Expr *DE : Clause->varlists()) { | ||||
2300 | if (DE->isValueDependent() || DE->isTypeDependent()) { | ||||
2301 | PrivateCopies.push_back(nullptr); | ||||
2302 | continue; | ||||
2303 | } | ||||
2304 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | ||||
2305 | auto *VD = cast<VarDecl>(DRE->getDecl()); | ||||
2306 | QualType Type = VD->getType().getNonReferenceType(); | ||||
2307 | const DSAStackTy::DSAVarData DVar = | ||||
2308 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||
2309 | if (DVar.CKind == OMPC_lastprivate) { | ||||
2310 | // Generate helper private variable and initialize it with the | ||||
2311 | // default value. The address of the original variable is replaced | ||||
2312 | // by the address of the new private variable in CodeGen. This new | ||||
2313 | // variable is not added to IdResolver, so the code in the OpenMP | ||||
2314 | // region uses original variable for proper diagnostics. | ||||
2315 | VarDecl *VDPrivate = buildVarDecl( | ||||
2316 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | ||||
2317 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); | ||||
2318 | ActOnUninitializedDecl(VDPrivate); | ||||
2319 | if (VDPrivate->isInvalidDecl()) { | ||||
2320 | PrivateCopies.push_back(nullptr); | ||||
2321 | continue; | ||||
2322 | } | ||||
2323 | PrivateCopies.push_back(buildDeclRefExpr( | ||||
2324 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | ||||
2325 | } else { | ||||
2326 | // The variable is also a firstprivate, so initialization sequence | ||||
2327 | // for private copy is generated already. | ||||
2328 | PrivateCopies.push_back(nullptr); | ||||
2329 | } | ||||
2330 | } | ||||
2331 | Clause->setPrivateCopies(PrivateCopies); | ||||
2332 | continue; | ||||
2333 | } | ||||
2334 | // Finalize nontemporal clause by handling private copies, if any. | ||||
2335 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { | ||||
2336 | SmallVector<Expr *, 8> PrivateRefs; | ||||
2337 | for (Expr *RefExpr : Clause->varlists()) { | ||||
2338 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2338, __PRETTY_FUNCTION__)); | ||||
2339 | SourceLocation ELoc; | ||||
2340 | SourceRange ERange; | ||||
2341 | Expr *SimpleRefExpr = RefExpr; | ||||
2342 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
2343 | if (Res.second) | ||||
2344 | // It will be analyzed later. | ||||
2345 | PrivateRefs.push_back(RefExpr); | ||||
2346 | ValueDecl *D = Res.first; | ||||
2347 | if (!D) | ||||
2348 | continue; | ||||
2349 | |||||
2350 | const DSAStackTy::DSAVarData DVar = | ||||
2351 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
2352 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy | ||||
2353 | : SimpleRefExpr); | ||||
2354 | } | ||||
2355 | Clause->setPrivateRefs(PrivateRefs); | ||||
2356 | continue; | ||||
2357 | } | ||||
2358 | } | ||||
2359 | // Check allocate clauses. | ||||
2360 | if (!CurContext->isDependentContext()) | ||||
2361 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | ||||
2362 | } | ||||
2363 | |||||
2364 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | ||||
2365 | DiscardCleanupsInEvaluationContext(); | ||||
2366 | PopExpressionEvaluationContext(); | ||||
2367 | } | ||||
2368 | |||||
2369 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||
2370 | Expr *NumIterations, Sema &SemaRef, | ||||
2371 | Scope *S, DSAStackTy *Stack); | ||||
2372 | |||||
2373 | namespace { | ||||
2374 | |||||
2375 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { | ||||
2376 | private: | ||||
2377 | Sema &SemaRef; | ||||
2378 | |||||
2379 | public: | ||||
2380 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||
2381 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||
2382 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||
2383 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | ||||
2384 | return VD->hasGlobalStorage() && | ||||
2385 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||
2386 | SemaRef.getCurScope()); | ||||
2387 | } | ||||
2388 | return false; | ||||
2389 | } | ||||
2390 | |||||
2391 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||
2392 | return std::make_unique<VarDeclFilterCCC>(*this); | ||||
2393 | } | ||||
2394 | |||||
2395 | }; | ||||
2396 | |||||
2397 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { | ||||
2398 | private: | ||||
2399 | Sema &SemaRef; | ||||
2400 | |||||
2401 | public: | ||||
2402 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||
2403 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||
2404 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||
2405 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || | ||||
2406 | isa<FunctionDecl>(ND))) { | ||||
2407 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||
2408 | SemaRef.getCurScope()); | ||||
2409 | } | ||||
2410 | return false; | ||||
2411 | } | ||||
2412 | |||||
2413 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||
2414 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); | ||||
2415 | } | ||||
2416 | }; | ||||
2417 | |||||
2418 | } // namespace | ||||
2419 | |||||
2420 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | ||||
2421 | CXXScopeSpec &ScopeSpec, | ||||
2422 | const DeclarationNameInfo &Id, | ||||
2423 | OpenMPDirectiveKind Kind) { | ||||
2424 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||
2425 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||
2426 | |||||
2427 | if (Lookup.isAmbiguous()) | ||||
2428 | return ExprError(); | ||||
2429 | |||||
2430 | VarDecl *VD; | ||||
2431 | if (!Lookup.isSingleResult()) { | ||||
2432 | VarDeclFilterCCC CCC(*this); | ||||
2433 | if (TypoCorrection Corrected = | ||||
2434 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||
2435 | CTK_ErrorRecovery)) { | ||||
2436 | diagnoseTypo(Corrected, | ||||
2437 | PDiag(Lookup.empty() | ||||
2438 | ? diag::err_undeclared_var_use_suggest | ||||
2439 | : diag::err_omp_expected_var_arg_suggest) | ||||
2440 | << Id.getName()); | ||||
2441 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | ||||
2442 | } else { | ||||
2443 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | ||||
2444 | : diag::err_omp_expected_var_arg) | ||||
2445 | << Id.getName(); | ||||
2446 | return ExprError(); | ||||
2447 | } | ||||
2448 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { | ||||
2449 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | ||||
2450 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | ||||
2451 | return ExprError(); | ||||
2452 | } | ||||
2453 | Lookup.suppressDiagnostics(); | ||||
2454 | |||||
2455 | // OpenMP [2.9.2, Syntax, C/C++] | ||||
2456 | // Variables must be file-scope, namespace-scope, or static block-scope. | ||||
2457 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { | ||||
2458 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | ||||
2459 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); | ||||
2460 | bool IsDecl = | ||||
2461 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2462 | Diag(VD->getLocation(), | ||||
2463 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2464 | << VD; | ||||
2465 | return ExprError(); | ||||
2466 | } | ||||
2467 | |||||
2468 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | ||||
2469 | NamedDecl *ND = CanonicalVD; | ||||
2470 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | ||||
2471 | // A threadprivate directive for file-scope variables must appear outside | ||||
2472 | // any definition or declaration. | ||||
2473 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | ||||
2474 | !getCurLexicalContext()->isTranslationUnit()) { | ||||
2475 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2476 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2477 | bool IsDecl = | ||||
2478 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2479 | Diag(VD->getLocation(), | ||||
2480 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2481 | << VD; | ||||
2482 | return ExprError(); | ||||
2483 | } | ||||
2484 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | ||||
2485 | // A threadprivate directive for static class member variables must appear | ||||
2486 | // in the class definition, in the same scope in which the member | ||||
2487 | // variables are declared. | ||||
2488 | if (CanonicalVD->isStaticDataMember() && | ||||
2489 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | ||||
2490 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2491 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2492 | bool IsDecl = | ||||
2493 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2494 | Diag(VD->getLocation(), | ||||
2495 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2496 | << VD; | ||||
2497 | return ExprError(); | ||||
2498 | } | ||||
2499 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | ||||
2500 | // A threadprivate directive for namespace-scope variables must appear | ||||
2501 | // outside any definition or declaration other than the namespace | ||||
2502 | // definition itself. | ||||
2503 | if (CanonicalVD->getDeclContext()->isNamespace() && | ||||
2504 | (!getCurLexicalContext()->isFileContext() || | ||||
2505 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | ||||
2506 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2507 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2508 | bool IsDecl = | ||||
2509 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2510 | Diag(VD->getLocation(), | ||||
2511 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2512 | << VD; | ||||
2513 | return ExprError(); | ||||
2514 | } | ||||
2515 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | ||||
2516 | // A threadprivate directive for static block-scope variables must appear | ||||
2517 | // in the scope of the variable and not in a nested scope. | ||||
2518 | if (CanonicalVD->isLocalVarDecl() && CurScope && | ||||
2519 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | ||||
2520 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||
2521 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2522 | bool IsDecl = | ||||
2523 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2524 | Diag(VD->getLocation(), | ||||
2525 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2526 | << VD; | ||||
2527 | return ExprError(); | ||||
2528 | } | ||||
2529 | |||||
2530 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | ||||
2531 | // A threadprivate directive must lexically precede all references to any | ||||
2532 | // of the variables in its list. | ||||
2533 | if (Kind == OMPD_threadprivate && VD->isUsed() && | ||||
2534 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
2535 | Diag(Id.getLoc(), diag::err_omp_var_used) | ||||
2536 | << getOpenMPDirectiveName(Kind) << VD; | ||||
2537 | return ExprError(); | ||||
2538 | } | ||||
2539 | |||||
2540 | QualType ExprType = VD->getType().getNonReferenceType(); | ||||
2541 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | ||||
2542 | SourceLocation(), VD, | ||||
2543 | /*RefersToEnclosingVariableOrCapture=*/false, | ||||
2544 | Id.getLoc(), ExprType, VK_LValue); | ||||
2545 | } | ||||
2546 | |||||
2547 | Sema::DeclGroupPtrTy | ||||
2548 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | ||||
2549 | ArrayRef<Expr *> VarList) { | ||||
2550 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | ||||
2551 | CurContext->addDecl(D); | ||||
2552 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
2553 | } | ||||
2554 | return nullptr; | ||||
2555 | } | ||||
2556 | |||||
2557 | namespace { | ||||
2558 | class LocalVarRefChecker final | ||||
2559 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { | ||||
2560 | Sema &SemaRef; | ||||
2561 | |||||
2562 | public: | ||||
2563 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
2564 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
2565 | if (VD->hasLocalStorage()) { | ||||
2566 | SemaRef.Diag(E->getBeginLoc(), | ||||
2567 | diag::err_omp_local_var_in_threadprivate_init) | ||||
2568 | << E->getSourceRange(); | ||||
2569 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | ||||
2570 | << VD << VD->getSourceRange(); | ||||
2571 | return true; | ||||
2572 | } | ||||
2573 | } | ||||
2574 | return false; | ||||
2575 | } | ||||
2576 | bool VisitStmt(const Stmt *S) { | ||||
2577 | for (const Stmt *Child : S->children()) { | ||||
2578 | if (Child && Visit(Child)) | ||||
2579 | return true; | ||||
2580 | } | ||||
2581 | return false; | ||||
2582 | } | ||||
2583 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | ||||
2584 | }; | ||||
2585 | } // namespace | ||||
2586 | |||||
2587 | OMPThreadPrivateDecl * | ||||
2588 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | ||||
2589 | SmallVector<Expr *, 8> Vars; | ||||
2590 | for (Expr *RefExpr : VarList) { | ||||
2591 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||
2592 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||
2593 | SourceLocation ILoc = DE->getExprLoc(); | ||||
2594 | |||||
2595 | // Mark variable as used. | ||||
2596 | VD->setReferenced(); | ||||
2597 | VD->markUsed(Context); | ||||
2598 | |||||
2599 | QualType QType = VD->getType(); | ||||
2600 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | ||||
2601 | // It will be analyzed later. | ||||
2602 | Vars.push_back(DE); | ||||
2603 | continue; | ||||
2604 | } | ||||
2605 | |||||
2606 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||
2607 | // A threadprivate variable must not have an incomplete type. | ||||
2608 | if (RequireCompleteType(ILoc, VD->getType(), | ||||
2609 | diag::err_omp_threadprivate_incomplete_type)) { | ||||
2610 | continue; | ||||
2611 | } | ||||
2612 | |||||
2613 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||
2614 | // A threadprivate variable must not have a reference type. | ||||
2615 | if (VD->getType()->isReferenceType()) { | ||||
2616 | Diag(ILoc, diag::err_omp_ref_type_arg) | ||||
2617 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | ||||
2618 | bool IsDecl = | ||||
2619 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2620 | Diag(VD->getLocation(), | ||||
2621 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2622 | << VD; | ||||
2623 | continue; | ||||
2624 | } | ||||
2625 | |||||
2626 | // Check if this is a TLS variable. If TLS is not being supported, produce | ||||
2627 | // the corresponding diagnostic. | ||||
2628 | if ((VD->getTLSKind() != VarDecl::TLS_None && | ||||
2629 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||
2630 | getLangOpts().OpenMPUseTLS && | ||||
2631 | getASTContext().getTargetInfo().isTLSSupported())) || | ||||
2632 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||
2633 | !VD->isLocalVarDecl())) { | ||||
2634 | Diag(ILoc, diag::err_omp_var_thread_local) | ||||
2635 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | ||||
2636 | bool IsDecl = | ||||
2637 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
2638 | Diag(VD->getLocation(), | ||||
2639 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2640 | << VD; | ||||
2641 | continue; | ||||
2642 | } | ||||
2643 | |||||
2644 | // Check if initial value of threadprivate variable reference variable with | ||||
2645 | // local storage (it is not supported by runtime). | ||||
2646 | if (const Expr *Init = VD->getAnyInitializer()) { | ||||
2647 | LocalVarRefChecker Checker(*this); | ||||
2648 | if (Checker.Visit(Init)) | ||||
2649 | continue; | ||||
2650 | } | ||||
2651 | |||||
2652 | Vars.push_back(RefExpr); | ||||
2653 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | ||||
2654 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | ||||
2655 | Context, SourceRange(Loc, Loc))); | ||||
2656 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
2657 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | ||||
2658 | } | ||||
2659 | OMPThreadPrivateDecl *D = nullptr; | ||||
2660 | if (!Vars.empty()) { | ||||
2661 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | ||||
2662 | Vars); | ||||
2663 | D->setAccess(AS_public); | ||||
2664 | } | ||||
2665 | return D; | ||||
2666 | } | ||||
2667 | |||||
2668 | static OMPAllocateDeclAttr::AllocatorTypeTy | ||||
2669 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { | ||||
2670 | if (!Allocator) | ||||
2671 | return OMPAllocateDeclAttr::OMPDefaultMemAlloc; | ||||
2672 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||
2673 | Allocator->isInstantiationDependent() || | ||||
2674 | Allocator->containsUnexpandedParameterPack()) | ||||
2675 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||
2676 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||
2677 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||
2678 | for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; | ||||
2679 | I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||
2680 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||
2681 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); | ||||
2682 | llvm::FoldingSetNodeID AEId, DAEId; | ||||
2683 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); | ||||
2684 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); | ||||
2685 | if (AEId == DAEId) { | ||||
2686 | AllocatorKindRes = AllocatorKind; | ||||
2687 | break; | ||||
2688 | } | ||||
2689 | } | ||||
2690 | return AllocatorKindRes; | ||||
2691 | } | ||||
2692 | |||||
2693 | static bool checkPreviousOMPAllocateAttribute( | ||||
2694 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, | ||||
2695 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { | ||||
2696 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) | ||||
2697 | return false; | ||||
2698 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | ||||
2699 | Expr *PrevAllocator = A->getAllocator(); | ||||
2700 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = | ||||
2701 | getAllocatorKind(S, Stack, PrevAllocator); | ||||
2702 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; | ||||
2703 | if (AllocatorsMatch && | ||||
2704 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && | ||||
2705 | Allocator && PrevAllocator) { | ||||
2706 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||
2707 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); | ||||
2708 | llvm::FoldingSetNodeID AEId, PAEId; | ||||
2709 | AE->Profile(AEId, S.Context, /*Canonical=*/true); | ||||
2710 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); | ||||
2711 | AllocatorsMatch = AEId == PAEId; | ||||
2712 | } | ||||
2713 | if (!AllocatorsMatch) { | ||||
2714 | SmallString<256> AllocatorBuffer; | ||||
2715 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); | ||||
2716 | if (Allocator) | ||||
2717 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); | ||||
2718 | SmallString<256> PrevAllocatorBuffer; | ||||
2719 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); | ||||
2720 | if (PrevAllocator) | ||||
2721 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, | ||||
2722 | S.getPrintingPolicy()); | ||||
2723 | |||||
2724 | SourceLocation AllocatorLoc = | ||||
2725 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); | ||||
2726 | SourceRange AllocatorRange = | ||||
2727 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); | ||||
2728 | SourceLocation PrevAllocatorLoc = | ||||
2729 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); | ||||
2730 | SourceRange PrevAllocatorRange = | ||||
2731 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); | ||||
2732 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) | ||||
2733 | << (Allocator ? 1 : 0) << AllocatorStream.str() | ||||
2734 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() | ||||
2735 | << AllocatorRange; | ||||
2736 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) | ||||
2737 | << PrevAllocatorRange; | ||||
2738 | return true; | ||||
2739 | } | ||||
2740 | return false; | ||||
2741 | } | ||||
2742 | |||||
2743 | static void | ||||
2744 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, | ||||
2745 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||
2746 | Expr *Allocator, SourceRange SR) { | ||||
2747 | if (VD->hasAttr<OMPAllocateDeclAttr>()) | ||||
2748 | return; | ||||
2749 | if (Allocator && | ||||
2750 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||
2751 | Allocator->isInstantiationDependent() || | ||||
2752 | Allocator->containsUnexpandedParameterPack())) | ||||
2753 | return; | ||||
2754 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, | ||||
2755 | Allocator, SR); | ||||
2756 | VD->addAttr(A); | ||||
2757 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) | ||||
2758 | ML->DeclarationMarkedOpenMPAllocate(VD, A); | ||||
2759 | } | ||||
2760 | |||||
2761 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( | ||||
2762 | SourceLocation Loc, ArrayRef<Expr *> VarList, | ||||
2763 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { | ||||
2764 | assert(Clauses.size() <= 1 && "Expected at most one clause.")((Clauses.size() <= 1 && "Expected at most one clause." ) ? static_cast<void> (0) : __assert_fail ("Clauses.size() <= 1 && \"Expected at most one clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2764, __PRETTY_FUNCTION__)); | ||||
2765 | Expr *Allocator = nullptr; | ||||
2766 | if (Clauses.empty()) { | ||||
2767 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. | ||||
2768 | // allocate directives that appear in a target region must specify an | ||||
2769 | // allocator clause unless a requires directive with the dynamic_allocators | ||||
2770 | // clause is present in the same compilation unit. | ||||
2771 | if (LangOpts.OpenMPIsDevice && | ||||
2772 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||
2773 | targetDiag(Loc, diag::err_expected_allocator_clause); | ||||
2774 | } else { | ||||
2775 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); | ||||
2776 | } | ||||
2777 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||
2778 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); | ||||
2779 | SmallVector<Expr *, 8> Vars; | ||||
2780 | for (Expr *RefExpr : VarList) { | ||||
2781 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||
2782 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||
2783 | |||||
2784 | // Check if this is a TLS variable or global register. | ||||
2785 | if (VD->getTLSKind() != VarDecl::TLS_None || | ||||
2786 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || | ||||
2787 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||
2788 | !VD->isLocalVarDecl())) | ||||
2789 | continue; | ||||
2790 | |||||
2791 | // If the used several times in the allocate directive, the same allocator | ||||
2792 | // must be used. | ||||
2793 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, | ||||
2794 | AllocatorKind, Allocator)) | ||||
2795 | continue; | ||||
2796 | |||||
2797 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ | ||||
2798 | // If a list item has a static storage type, the allocator expression in the | ||||
2799 | // allocator clause must be a constant expression that evaluates to one of | ||||
2800 | // the predefined memory allocator values. | ||||
2801 | if (Allocator && VD->hasGlobalStorage()) { | ||||
2802 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { | ||||
2803 | Diag(Allocator->getExprLoc(), | ||||
2804 | diag::err_omp_expected_predefined_allocator) | ||||
2805 | << Allocator->getSourceRange(); | ||||
2806 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == | ||||
2807 | VarDecl::DeclarationOnly; | ||||
2808 | Diag(VD->getLocation(), | ||||
2809 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
2810 | << VD; | ||||
2811 | continue; | ||||
2812 | } | ||||
2813 | } | ||||
2814 | |||||
2815 | Vars.push_back(RefExpr); | ||||
2816 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, | ||||
2817 | DE->getSourceRange()); | ||||
2818 | } | ||||
2819 | if (Vars.empty()) | ||||
2820 | return nullptr; | ||||
2821 | if (!Owner) | ||||
2822 | Owner = getCurLexicalContext(); | ||||
2823 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); | ||||
2824 | D->setAccess(AS_public); | ||||
2825 | Owner->addDecl(D); | ||||
2826 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
2827 | } | ||||
2828 | |||||
2829 | Sema::DeclGroupPtrTy | ||||
2830 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, | ||||
2831 | ArrayRef<OMPClause *> ClauseList) { | ||||
2832 | OMPRequiresDecl *D = nullptr; | ||||
2833 | if (!CurContext->isFileContext()) { | ||||
2834 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; | ||||
2835 | } else { | ||||
2836 | D = CheckOMPRequiresDecl(Loc, ClauseList); | ||||
2837 | if (D) { | ||||
2838 | CurContext->addDecl(D); | ||||
2839 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); | ||||
2840 | } | ||||
2841 | } | ||||
2842 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
2843 | } | ||||
2844 | |||||
2845 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, | ||||
2846 | ArrayRef<OMPClause *> ClauseList) { | ||||
2847 | /// For target specific clauses, the requires directive cannot be | ||||
2848 | /// specified after the handling of any of the target regions in the | ||||
2849 | /// current compilation unit. | ||||
2850 | ArrayRef<SourceLocation> TargetLocations = | ||||
2851 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); | ||||
2852 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); | ||||
2853 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { | ||||
2854 | for (const OMPClause *CNew : ClauseList) { | ||||
2855 | // Check if any of the requires clauses affect target regions. | ||||
2856 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || | ||||
2857 | isa<OMPUnifiedAddressClause>(CNew) || | ||||
2858 | isa<OMPReverseOffloadClause>(CNew) || | ||||
2859 | isa<OMPDynamicAllocatorsClause>(CNew)) { | ||||
2860 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||
2861 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); | ||||
2862 | for (SourceLocation TargetLoc : TargetLocations) { | ||||
2863 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) | ||||
2864 | << "target"; | ||||
2865 | } | ||||
2866 | } else if (!AtomicLoc.isInvalid() && | ||||
2867 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { | ||||
2868 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||
2869 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); | ||||
2870 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) | ||||
2871 | << "atomic"; | ||||
2872 | } | ||||
2873 | } | ||||
2874 | } | ||||
2875 | |||||
2876 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) | ||||
2877 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, | ||||
2878 | ClauseList); | ||||
2879 | return nullptr; | ||||
2880 | } | ||||
2881 | |||||
2882 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | ||||
2883 | const ValueDecl *D, | ||||
2884 | const DSAStackTy::DSAVarData &DVar, | ||||
2885 | bool IsLoopIterVar = false) { | ||||
2886 | if (DVar.RefExpr) { | ||||
2887 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
2888 | << getOpenMPClauseName(DVar.CKind); | ||||
2889 | return; | ||||
2890 | } | ||||
2891 | enum { | ||||
2892 | PDSA_StaticMemberShared, | ||||
2893 | PDSA_StaticLocalVarShared, | ||||
2894 | PDSA_LoopIterVarPrivate, | ||||
2895 | PDSA_LoopIterVarLinear, | ||||
2896 | PDSA_LoopIterVarLastprivate, | ||||
2897 | PDSA_ConstVarShared, | ||||
2898 | PDSA_GlobalVarShared, | ||||
2899 | PDSA_TaskVarFirstprivate, | ||||
2900 | PDSA_LocalVarPrivate, | ||||
2901 | PDSA_Implicit | ||||
2902 | } Reason = PDSA_Implicit; | ||||
2903 | bool ReportHint = false; | ||||
2904 | auto ReportLoc = D->getLocation(); | ||||
2905 | auto *VD = dyn_cast<VarDecl>(D); | ||||
2906 | if (IsLoopIterVar) { | ||||
2907 | if (DVar.CKind == OMPC_private) | ||||
2908 | Reason = PDSA_LoopIterVarPrivate; | ||||
2909 | else if (DVar.CKind == OMPC_lastprivate) | ||||
2910 | Reason = PDSA_LoopIterVarLastprivate; | ||||
2911 | else | ||||
2912 | Reason = PDSA_LoopIterVarLinear; | ||||
2913 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | ||||
2914 | DVar.CKind == OMPC_firstprivate) { | ||||
2915 | Reason = PDSA_TaskVarFirstprivate; | ||||
2916 | ReportLoc = DVar.ImplicitDSALoc; | ||||
2917 | } else if (VD && VD->isStaticLocal()) | ||||
2918 | Reason = PDSA_StaticLocalVarShared; | ||||
2919 | else if (VD && VD->isStaticDataMember()) | ||||
2920 | Reason = PDSA_StaticMemberShared; | ||||
2921 | else if (VD && VD->isFileVarDecl()) | ||||
2922 | Reason = PDSA_GlobalVarShared; | ||||
2923 | else if (D->getType().isConstant(SemaRef.getASTContext())) | ||||
2924 | Reason = PDSA_ConstVarShared; | ||||
2925 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | ||||
2926 | ReportHint = true; | ||||
2927 | Reason = PDSA_LocalVarPrivate; | ||||
2928 | } | ||||
2929 | if (Reason != PDSA_Implicit) { | ||||
2930 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | ||||
2931 | << Reason << ReportHint | ||||
2932 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||
2933 | } else if (DVar.ImplicitDSALoc.isValid()) { | ||||
2934 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | ||||
2935 | << getOpenMPClauseName(DVar.CKind); | ||||
2936 | } | ||||
2937 | } | ||||
2938 | |||||
2939 | static OpenMPMapClauseKind | ||||
2940 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, | ||||
2941 | bool IsAggregateOrDeclareTarget) { | ||||
2942 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; | ||||
2943 | switch (M) { | ||||
2944 | case OMPC_DEFAULTMAP_MODIFIER_alloc: | ||||
2945 | Kind = OMPC_MAP_alloc; | ||||
2946 | break; | ||||
2947 | case OMPC_DEFAULTMAP_MODIFIER_to: | ||||
2948 | Kind = OMPC_MAP_to; | ||||
2949 | break; | ||||
2950 | case OMPC_DEFAULTMAP_MODIFIER_from: | ||||
2951 | Kind = OMPC_MAP_from; | ||||
2952 | break; | ||||
2953 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: | ||||
2954 | Kind = OMPC_MAP_tofrom; | ||||
2955 | break; | ||||
2956 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: | ||||
2957 | case OMPC_DEFAULTMAP_MODIFIER_last: | ||||
2958 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2958); | ||||
2959 | case OMPC_DEFAULTMAP_MODIFIER_none: | ||||
2960 | case OMPC_DEFAULTMAP_MODIFIER_default: | ||||
2961 | case OMPC_DEFAULTMAP_MODIFIER_unknown: | ||||
2962 | // IsAggregateOrDeclareTarget could be true if: | ||||
2963 | // 1. the implicit behavior for aggregate is tofrom | ||||
2964 | // 2. it's a declare target link | ||||
2965 | if (IsAggregateOrDeclareTarget) { | ||||
2966 | Kind = OMPC_MAP_tofrom; | ||||
2967 | break; | ||||
2968 | } | ||||
2969 | llvm_unreachable("Unexpected defaultmap implicit behavior")::llvm::llvm_unreachable_internal("Unexpected defaultmap implicit behavior" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2969); | ||||
2970 | } | ||||
2971 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")((Kind != OMPC_MAP_unknown && "Expect map kind to be known" ) ? static_cast<void> (0) : __assert_fail ("Kind != OMPC_MAP_unknown && \"Expect map kind to be known\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 2971, __PRETTY_FUNCTION__)); | ||||
2972 | return Kind; | ||||
2973 | } | ||||
2974 | |||||
2975 | namespace { | ||||
2976 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { | ||||
2977 | DSAStackTy *Stack; | ||||
2978 | Sema &SemaRef; | ||||
2979 | bool ErrorFound = false; | ||||
2980 | bool TryCaptureCXXThisMembers = false; | ||||
2981 | CapturedStmt *CS = nullptr; | ||||
2982 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; | ||||
2983 | llvm::SmallVector<Expr *, 4> ImplicitMap[OMPC_MAP_delete]; | ||||
2984 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||
2985 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; | ||||
2986 | |||||
2987 | void VisitSubCaptures(OMPExecutableDirective *S) { | ||||
2988 | // Check implicitly captured variables. | ||||
2989 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) | ||||
2990 | return; | ||||
2991 | visitSubCaptures(S->getInnermostCapturedStmt()); | ||||
2992 | // Try to capture inner this->member references to generate correct mappings | ||||
2993 | // and diagnostics. | ||||
2994 | if (TryCaptureCXXThisMembers || | ||||
2995 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||
2996 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), | ||||
2997 | [](const CapturedStmt::Capture &C) { | ||||
2998 | return C.capturesThis(); | ||||
2999 | }))) { | ||||
3000 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; | ||||
3001 | TryCaptureCXXThisMembers = true; | ||||
3002 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); | ||||
3003 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; | ||||
3004 | } | ||||
3005 | } | ||||
3006 | |||||
3007 | public: | ||||
3008 | void VisitDeclRefExpr(DeclRefExpr *E) { | ||||
3009 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || | ||||
3010 | E->isValueDependent() || E->containsUnexpandedParameterPack() || | ||||
3011 | E->isInstantiationDependent()) | ||||
3012 | return; | ||||
3013 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
3014 | // Check the datasharing rules for the expressions in the clauses. | ||||
3015 | if (!CS) { | ||||
3016 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) | ||||
3017 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
3018 | Visit(CED->getInit()); | ||||
3019 | return; | ||||
3020 | } | ||||
3021 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) | ||||
3022 | // Do not analyze internal variables and do not enclose them into | ||||
3023 | // implicit clauses. | ||||
3024 | return; | ||||
3025 | VD = VD->getCanonicalDecl(); | ||||
3026 | // Skip internally declared variables. | ||||
3027 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD)) | ||||
3028 | return; | ||||
3029 | |||||
3030 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
3031 | // Check if the variable has explicit DSA set and stop analysis if it so. | ||||
3032 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | ||||
3033 | return; | ||||
3034 | |||||
3035 | // Skip internally declared static variables. | ||||
3036 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
3037 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
3038 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && | ||||
3039 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||
3040 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link)) | ||||
3041 | return; | ||||
3042 | |||||
3043 | SourceLocation ELoc = E->getExprLoc(); | ||||
3044 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||
3045 | // The default(none) clause requires that each variable that is referenced | ||||
3046 | // in the construct, and does not have a predetermined data-sharing | ||||
3047 | // attribute, must have its data-sharing attribute explicitly determined | ||||
3048 | // by being listed in a data-sharing attribute clause. | ||||
3049 | if (DVar.CKind == OMPC_unknown && Stack->getDefaultDSA() == DSA_none && | ||||
3050 | isImplicitOrExplicitTaskingRegion(DKind) && | ||||
3051 | VarsWithInheritedDSA.count(VD) == 0) { | ||||
3052 | VarsWithInheritedDSA[VD] = E; | ||||
3053 | return; | ||||
3054 | } | ||||
3055 | |||||
3056 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] | ||||
3057 | // If implicit-behavior is none, each variable referenced in the | ||||
3058 | // construct that does not have a predetermined data-sharing attribute | ||||
3059 | // and does not appear in a to or link clause on a declare target | ||||
3060 | // directive must be listed in a data-mapping attribute clause, a | ||||
3061 | // data-haring attribute clause (including a data-sharing attribute | ||||
3062 | // clause on a combined construct where target. is one of the | ||||
3063 | // constituent constructs), or an is_device_ptr clause. | ||||
3064 | OpenMPDefaultmapClauseKind ClauseKind = | ||||
3065 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); | ||||
3066 | if (SemaRef.getLangOpts().OpenMP >= 50) { | ||||
3067 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == | ||||
3068 | OMPC_DEFAULTMAP_MODIFIER_none; | ||||
3069 | if (DVar.CKind == OMPC_unknown && IsModifierNone && | ||||
3070 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { | ||||
3071 | // Only check for data-mapping attribute and is_device_ptr here | ||||
3072 | // since we have already make sure that the declaration does not | ||||
3073 | // have a data-sharing attribute above | ||||
3074 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3075 | VD, /*CurrentRegionOnly=*/true, | ||||
3076 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3077 | MapExprComponents, | ||||
3078 | OpenMPClauseKind) { | ||||
3079 | auto MI = MapExprComponents.rbegin(); | ||||
3080 | auto ME = MapExprComponents.rend(); | ||||
3081 | return MI != ME && MI->getAssociatedDeclaration() == VD; | ||||
3082 | })) { | ||||
3083 | VarsWithInheritedDSA[VD] = E; | ||||
3084 | return; | ||||
3085 | } | ||||
3086 | } | ||||
3087 | } | ||||
3088 | |||||
3089 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||
3090 | !Stack->isLoopControlVariable(VD).first) { | ||||
3091 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3092 | VD, /*CurrentRegionOnly=*/true, | ||||
3093 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3094 | StackComponents, | ||||
3095 | OpenMPClauseKind) { | ||||
3096 | // Variable is used if it has been marked as an array, array | ||||
3097 | // section or the variable iself. | ||||
3098 | return StackComponents.size() == 1 || | ||||
3099 | std::all_of( | ||||
3100 | std::next(StackComponents.rbegin()), | ||||
3101 | StackComponents.rend(), | ||||
3102 | [](const OMPClauseMappableExprCommon:: | ||||
3103 | MappableComponent &MC) { | ||||
3104 | return MC.getAssociatedDeclaration() == | ||||
3105 | nullptr && | ||||
3106 | (isa<OMPArraySectionExpr>( | ||||
3107 | MC.getAssociatedExpression()) || | ||||
3108 | isa<ArraySubscriptExpr>( | ||||
3109 | MC.getAssociatedExpression())); | ||||
3110 | }); | ||||
3111 | })) { | ||||
3112 | bool IsFirstprivate = false; | ||||
3113 | // By default lambdas are captured as firstprivates. | ||||
3114 | if (const auto *RD = | ||||
3115 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | ||||
3116 | IsFirstprivate = RD->isLambda(); | ||||
3117 | IsFirstprivate = | ||||
3118 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); | ||||
3119 | if (IsFirstprivate) { | ||||
3120 | ImplicitFirstprivate.emplace_back(E); | ||||
3121 | } else { | ||||
3122 | OpenMPDefaultmapClauseModifier M = | ||||
3123 | Stack->getDefaultmapModifier(ClauseKind); | ||||
3124 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||
3125 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); | ||||
3126 | ImplicitMap[Kind].emplace_back(E); | ||||
3127 | } | ||||
3128 | return; | ||||
3129 | } | ||||
3130 | } | ||||
3131 | |||||
3132 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||
3133 | // A list item that appears in a reduction clause of the innermost | ||||
3134 | // enclosing worksharing or parallel construct may not be accessed in an | ||||
3135 | // explicit task. | ||||
3136 | DVar = Stack->hasInnermostDSA( | ||||
3137 | VD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | ||||
3138 | [](OpenMPDirectiveKind K) { | ||||
3139 | return isOpenMPParallelDirective(K) || | ||||
3140 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||
3141 | }, | ||||
3142 | /*FromParent=*/true); | ||||
3143 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||
3144 | ErrorFound = true; | ||||
3145 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||
3146 | reportOriginalDsa(SemaRef, Stack, VD, DVar); | ||||
3147 | return; | ||||
3148 | } | ||||
3149 | |||||
3150 | // Define implicit data-sharing attributes for task. | ||||
3151 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); | ||||
3152 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | ||||
3153 | !Stack->isLoopControlVariable(VD).first) { | ||||
3154 | ImplicitFirstprivate.push_back(E); | ||||
3155 | return; | ||||
3156 | } | ||||
3157 | |||||
3158 | // Store implicitly used globals with declare target link for parent | ||||
3159 | // target. | ||||
3160 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && | ||||
3161 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||
3162 | Stack->addToParentTargetRegionLinkGlobals(E); | ||||
3163 | return; | ||||
3164 | } | ||||
3165 | } | ||||
3166 | } | ||||
3167 | void VisitMemberExpr(MemberExpr *E) { | ||||
3168 | if (E->isTypeDependent() || E->isValueDependent() || | ||||
3169 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | ||||
3170 | return; | ||||
3171 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | ||||
3172 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||
3173 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParens())) { | ||||
3174 | if (!FD) | ||||
3175 | return; | ||||
3176 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); | ||||
3177 | // Check if the variable has explicit DSA set and stop analysis if it | ||||
3178 | // so. | ||||
3179 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | ||||
3180 | return; | ||||
3181 | |||||
3182 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||
3183 | !Stack->isLoopControlVariable(FD).first && | ||||
3184 | !Stack->checkMappableExprComponentListsForDecl( | ||||
3185 | FD, /*CurrentRegionOnly=*/true, | ||||
3186 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3187 | StackComponents, | ||||
3188 | OpenMPClauseKind) { | ||||
3189 | return isa<CXXThisExpr>( | ||||
3190 | cast<MemberExpr>( | ||||
3191 | StackComponents.back().getAssociatedExpression()) | ||||
3192 | ->getBase() | ||||
3193 | ->IgnoreParens()); | ||||
3194 | })) { | ||||
3195 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||
3196 | // A bit-field cannot appear in a map clause. | ||||
3197 | // | ||||
3198 | if (FD->isBitField()) | ||||
3199 | return; | ||||
3200 | |||||
3201 | // Check to see if the member expression is referencing a class that | ||||
3202 | // has already been explicitly mapped | ||||
3203 | if (Stack->isClassPreviouslyMapped(TE->getType())) | ||||
3204 | return; | ||||
3205 | |||||
3206 | OpenMPDefaultmapClauseModifier Modifier = | ||||
3207 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); | ||||
3208 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||
3209 | Modifier, /*IsAggregateOrDeclareTarget*/ true); | ||||
3210 | ImplicitMap[Kind].emplace_back(E); | ||||
3211 | return; | ||||
3212 | } | ||||
3213 | |||||
3214 | SourceLocation ELoc = E->getExprLoc(); | ||||
3215 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||
3216 | // A list item that appears in a reduction clause of the innermost | ||||
3217 | // enclosing worksharing or parallel construct may not be accessed in | ||||
3218 | // an explicit task. | ||||
3219 | DVar = Stack->hasInnermostDSA( | ||||
3220 | FD, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | ||||
3221 | [](OpenMPDirectiveKind K) { | ||||
3222 | return isOpenMPParallelDirective(K) || | ||||
3223 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||
3224 | }, | ||||
3225 | /*FromParent=*/true); | ||||
3226 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||
3227 | ErrorFound = true; | ||||
3228 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||
3229 | reportOriginalDsa(SemaRef, Stack, FD, DVar); | ||||
3230 | return; | ||||
3231 | } | ||||
3232 | |||||
3233 | // Define implicit data-sharing attributes for task. | ||||
3234 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); | ||||
3235 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | ||||
3236 | !Stack->isLoopControlVariable(FD).first) { | ||||
3237 | // Check if there is a captured expression for the current field in the | ||||
3238 | // region. Do not mark it as firstprivate unless there is no captured | ||||
3239 | // expression. | ||||
3240 | // TODO: try to make it firstprivate. | ||||
3241 | if (DVar.CKind != OMPC_unknown) | ||||
3242 | ImplicitFirstprivate.push_back(E); | ||||
3243 | } | ||||
3244 | return; | ||||
3245 | } | ||||
3246 | if (isOpenMPTargetExecutionDirective(DKind)) { | ||||
3247 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||
3248 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | ||||
3249 | /*NoDiagnose=*/true)) | ||||
3250 | return; | ||||
3251 | const auto *VD = cast<ValueDecl>( | ||||
3252 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | ||||
3253 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||
3254 | VD, /*CurrentRegionOnly=*/true, | ||||
3255 | [&CurComponents]( | ||||
3256 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
3257 | StackComponents, | ||||
3258 | OpenMPClauseKind) { | ||||
3259 | auto CCI = CurComponents.rbegin(); | ||||
3260 | auto CCE = CurComponents.rend(); | ||||
3261 | for (const auto &SC : llvm::reverse(StackComponents)) { | ||||
3262 | // Do both expressions have the same kind? | ||||
3263 | if (CCI->getAssociatedExpression()->getStmtClass() != | ||||
3264 | SC.getAssociatedExpression()->getStmtClass()) | ||||
3265 | if (!(isa<OMPArraySectionExpr>( | ||||
3266 | SC.getAssociatedExpression()) && | ||||
3267 | isa<ArraySubscriptExpr>( | ||||
3268 | CCI->getAssociatedExpression()))) | ||||
3269 | return false; | ||||
3270 | |||||
3271 | const Decl *CCD = CCI->getAssociatedDeclaration(); | ||||
3272 | const Decl *SCD = SC.getAssociatedDeclaration(); | ||||
3273 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | ||||
3274 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | ||||
3275 | if (SCD != CCD) | ||||
3276 | return false; | ||||
3277 | std::advance(CCI, 1); | ||||
3278 | if (CCI == CCE) | ||||
3279 | break; | ||||
3280 | } | ||||
3281 | return true; | ||||
3282 | })) { | ||||
3283 | Visit(E->getBase()); | ||||
3284 | } | ||||
3285 | } else if (!TryCaptureCXXThisMembers) { | ||||
3286 | Visit(E->getBase()); | ||||
3287 | } | ||||
3288 | } | ||||
3289 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | ||||
3290 | for (OMPClause *C : S->clauses()) { | ||||
3291 | // Skip analysis of arguments of implicitly defined firstprivate clause | ||||
3292 | // for task|target directives. | ||||
3293 | // Skip analysis of arguments of implicitly defined map clause for target | ||||
3294 | // directives. | ||||
3295 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | ||||
3296 | C->isImplicit())) { | ||||
3297 | for (Stmt *CC : C->children()) { | ||||
3298 | if (CC) | ||||
3299 | Visit(CC); | ||||
3300 | } | ||||
3301 | } | ||||
3302 | } | ||||
3303 | // Check implicitly captured variables. | ||||
3304 | VisitSubCaptures(S); | ||||
3305 | } | ||||
3306 | void VisitStmt(Stmt *S) { | ||||
3307 | for (Stmt *C : S->children()) { | ||||
3308 | if (C) { | ||||
3309 | // Check implicitly captured variables in the task-based directives to | ||||
3310 | // check if they must be firstprivatized. | ||||
3311 | Visit(C); | ||||
3312 | } | ||||
3313 | } | ||||
3314 | } | ||||
3315 | |||||
3316 | void visitSubCaptures(CapturedStmt *S) { | ||||
3317 | for (const CapturedStmt::Capture &Cap : S->captures()) { | ||||
3318 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) | ||||
3319 | continue; | ||||
3320 | VarDecl *VD = Cap.getCapturedVar(); | ||||
3321 | // Do not try to map the variable if it or its sub-component was mapped | ||||
3322 | // already. | ||||
3323 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||
3324 | Stack->checkMappableExprComponentListsForDecl( | ||||
3325 | VD, /*CurrentRegionOnly=*/true, | ||||
3326 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
3327 | OpenMPClauseKind) { return true; })) | ||||
3328 | continue; | ||||
3329 | DeclRefExpr *DRE = buildDeclRefExpr( | ||||
3330 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), | ||||
3331 | Cap.getLocation(), /*RefersToCapture=*/true); | ||||
3332 | Visit(DRE); | ||||
3333 | } | ||||
3334 | } | ||||
3335 | bool isErrorFound() const { return ErrorFound; } | ||||
3336 | ArrayRef<Expr *> getImplicitFirstprivate() const { | ||||
3337 | return ImplicitFirstprivate; | ||||
3338 | } | ||||
3339 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind Kind) const { | ||||
3340 | return ImplicitMap[Kind]; | ||||
3341 | } | ||||
3342 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { | ||||
3343 | return VarsWithInheritedDSA; | ||||
3344 | } | ||||
3345 | |||||
3346 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | ||||
3347 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { | ||||
3348 | // Process declare target link variables for the target directives. | ||||
3349 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { | ||||
3350 | for (DeclRefExpr *E : Stack->getLinkGlobals()) | ||||
3351 | Visit(E); | ||||
3352 | } | ||||
3353 | } | ||||
3354 | }; | ||||
3355 | } // namespace | ||||
3356 | |||||
3357 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | ||||
3358 | switch (DKind) { | ||||
3359 | case OMPD_parallel: | ||||
3360 | case OMPD_parallel_for: | ||||
3361 | case OMPD_parallel_for_simd: | ||||
3362 | case OMPD_parallel_sections: | ||||
3363 | case OMPD_parallel_master: | ||||
3364 | case OMPD_teams: | ||||
3365 | case OMPD_teams_distribute: | ||||
3366 | case OMPD_teams_distribute_simd: { | ||||
3367 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3368 | QualType KmpInt32PtrTy = | ||||
3369 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3370 | Sema::CapturedParamNameType Params[] = { | ||||
3371 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3372 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3373 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3374 | }; | ||||
3375 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3376 | Params); | ||||
3377 | break; | ||||
3378 | } | ||||
3379 | case OMPD_target_teams: | ||||
3380 | case OMPD_target_parallel: | ||||
3381 | case OMPD_target_parallel_for: | ||||
3382 | case OMPD_target_parallel_for_simd: | ||||
3383 | case OMPD_target_teams_distribute: | ||||
3384 | case OMPD_target_teams_distribute_simd: { | ||||
3385 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3386 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3387 | QualType KmpInt32PtrTy = | ||||
3388 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3389 | QualType Args[] = {VoidPtrTy}; | ||||
3390 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3391 | EPI.Variadic = true; | ||||
3392 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3393 | Sema::CapturedParamNameType Params[] = { | ||||
3394 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3395 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3396 | std::make_pair(".privates.", VoidPtrTy), | ||||
3397 | std::make_pair( | ||||
3398 | ".copy_fn.", | ||||
3399 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3400 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3401 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3402 | }; | ||||
3403 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3404 | Params, /*OpenMPCaptureLevel=*/0); | ||||
3405 | // Mark this captured region as inlined, because we don't use outlined | ||||
3406 | // function directly. | ||||
3407 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3408 | AlwaysInlineAttr::CreateImplicit( | ||||
3409 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3410 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3411 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||
3412 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3413 | }; | ||||
3414 | // Start a captured region for 'target' with no implicit parameters. | ||||
3415 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3416 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||
3417 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | ||||
3418 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3419 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3420 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3421 | }; | ||||
3422 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
3423 | // the same implicit parameters. | ||||
3424 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3425 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); | ||||
3426 | break; | ||||
3427 | } | ||||
3428 | case OMPD_target: | ||||
3429 | case OMPD_target_simd: { | ||||
3430 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3431 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3432 | QualType KmpInt32PtrTy = | ||||
3433 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3434 | QualType Args[] = {VoidPtrTy}; | ||||
3435 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3436 | EPI.Variadic = true; | ||||
3437 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3438 | Sema::CapturedParamNameType Params[] = { | ||||
3439 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3440 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3441 | std::make_pair(".privates.", VoidPtrTy), | ||||
3442 | std::make_pair( | ||||
3443 | ".copy_fn.", | ||||
3444 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3445 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3446 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3447 | }; | ||||
3448 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3449 | Params, /*OpenMPCaptureLevel=*/0); | ||||
3450 | // Mark this captured region as inlined, because we don't use outlined | ||||
3451 | // function directly. | ||||
3452 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3453 | AlwaysInlineAttr::CreateImplicit( | ||||
3454 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3455 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3456 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3457 | std::make_pair(StringRef(), QualType()), | ||||
3458 | /*OpenMPCaptureLevel=*/1); | ||||
3459 | break; | ||||
3460 | } | ||||
3461 | case OMPD_simd: | ||||
3462 | case OMPD_for: | ||||
3463 | case OMPD_for_simd: | ||||
3464 | case OMPD_sections: | ||||
3465 | case OMPD_section: | ||||
3466 | case OMPD_single: | ||||
3467 | case OMPD_master: | ||||
3468 | case OMPD_critical: | ||||
3469 | case OMPD_taskgroup: | ||||
3470 | case OMPD_distribute: | ||||
3471 | case OMPD_distribute_simd: | ||||
3472 | case OMPD_ordered: | ||||
3473 | case OMPD_atomic: | ||||
3474 | case OMPD_target_data: { | ||||
3475 | Sema::CapturedParamNameType Params[] = { | ||||
3476 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3477 | }; | ||||
3478 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3479 | Params); | ||||
3480 | break; | ||||
3481 | } | ||||
3482 | case OMPD_task: { | ||||
3483 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3484 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3485 | QualType KmpInt32PtrTy = | ||||
3486 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3487 | QualType Args[] = {VoidPtrTy}; | ||||
3488 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3489 | EPI.Variadic = true; | ||||
3490 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3491 | Sema::CapturedParamNameType Params[] = { | ||||
3492 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3493 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3494 | std::make_pair(".privates.", VoidPtrTy), | ||||
3495 | std::make_pair( | ||||
3496 | ".copy_fn.", | ||||
3497 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3498 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3499 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3500 | }; | ||||
3501 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3502 | Params); | ||||
3503 | // Mark this captured region as inlined, because we don't use outlined | ||||
3504 | // function directly. | ||||
3505 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3506 | AlwaysInlineAttr::CreateImplicit( | ||||
3507 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3508 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3509 | break; | ||||
3510 | } | ||||
3511 | case OMPD_taskloop: | ||||
3512 | case OMPD_taskloop_simd: | ||||
3513 | case OMPD_master_taskloop: | ||||
3514 | case OMPD_master_taskloop_simd: { | ||||
3515 | QualType KmpInt32Ty = | ||||
3516 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||
3517 | .withConst(); | ||||
3518 | QualType KmpUInt64Ty = | ||||
3519 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||
3520 | .withConst(); | ||||
3521 | QualType KmpInt64Ty = | ||||
3522 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||
3523 | .withConst(); | ||||
3524 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3525 | QualType KmpInt32PtrTy = | ||||
3526 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3527 | QualType Args[] = {VoidPtrTy}; | ||||
3528 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3529 | EPI.Variadic = true; | ||||
3530 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3531 | Sema::CapturedParamNameType Params[] = { | ||||
3532 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3533 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3534 | std::make_pair(".privates.", VoidPtrTy), | ||||
3535 | std::make_pair( | ||||
3536 | ".copy_fn.", | ||||
3537 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3538 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3539 | std::make_pair(".lb.", KmpUInt64Ty), | ||||
3540 | std::make_pair(".ub.", KmpUInt64Ty), | ||||
3541 | std::make_pair(".st.", KmpInt64Ty), | ||||
3542 | std::make_pair(".liter.", KmpInt32Ty), | ||||
3543 | std::make_pair(".reductions.", VoidPtrTy), | ||||
3544 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3545 | }; | ||||
3546 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3547 | Params); | ||||
3548 | // Mark this captured region as inlined, because we don't use outlined | ||||
3549 | // function directly. | ||||
3550 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3551 | AlwaysInlineAttr::CreateImplicit( | ||||
3552 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3553 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3554 | break; | ||||
3555 | } | ||||
3556 | case OMPD_parallel_master_taskloop: | ||||
3557 | case OMPD_parallel_master_taskloop_simd: { | ||||
3558 | QualType KmpInt32Ty = | ||||
3559 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||
3560 | .withConst(); | ||||
3561 | QualType KmpUInt64Ty = | ||||
3562 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||
3563 | .withConst(); | ||||
3564 | QualType KmpInt64Ty = | ||||
3565 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||
3566 | .withConst(); | ||||
3567 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3568 | QualType KmpInt32PtrTy = | ||||
3569 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3570 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
3571 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3572 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3573 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3574 | }; | ||||
3575 | // Start a captured region for 'parallel'. | ||||
3576 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3577 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | ||||
3578 | QualType Args[] = {VoidPtrTy}; | ||||
3579 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3580 | EPI.Variadic = true; | ||||
3581 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3582 | Sema::CapturedParamNameType Params[] = { | ||||
3583 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3584 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3585 | std::make_pair(".privates.", VoidPtrTy), | ||||
3586 | std::make_pair( | ||||
3587 | ".copy_fn.", | ||||
3588 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3589 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3590 | std::make_pair(".lb.", KmpUInt64Ty), | ||||
3591 | std::make_pair(".ub.", KmpUInt64Ty), | ||||
3592 | std::make_pair(".st.", KmpInt64Ty), | ||||
3593 | std::make_pair(".liter.", KmpInt32Ty), | ||||
3594 | std::make_pair(".reductions.", VoidPtrTy), | ||||
3595 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3596 | }; | ||||
3597 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3598 | Params, /*OpenMPCaptureLevel=*/2); | ||||
3599 | // Mark this captured region as inlined, because we don't use outlined | ||||
3600 | // function directly. | ||||
3601 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3602 | AlwaysInlineAttr::CreateImplicit( | ||||
3603 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3604 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3605 | break; | ||||
3606 | } | ||||
3607 | case OMPD_distribute_parallel_for_simd: | ||||
3608 | case OMPD_distribute_parallel_for: { | ||||
3609 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3610 | QualType KmpInt32PtrTy = | ||||
3611 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3612 | Sema::CapturedParamNameType Params[] = { | ||||
3613 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3614 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3615 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
3616 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
3617 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3618 | }; | ||||
3619 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3620 | Params); | ||||
3621 | break; | ||||
3622 | } | ||||
3623 | case OMPD_target_teams_distribute_parallel_for: | ||||
3624 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||
3625 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3626 | QualType KmpInt32PtrTy = | ||||
3627 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3628 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3629 | |||||
3630 | QualType Args[] = {VoidPtrTy}; | ||||
3631 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3632 | EPI.Variadic = true; | ||||
3633 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3634 | Sema::CapturedParamNameType Params[] = { | ||||
3635 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3636 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3637 | std::make_pair(".privates.", VoidPtrTy), | ||||
3638 | std::make_pair( | ||||
3639 | ".copy_fn.", | ||||
3640 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3641 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3642 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3643 | }; | ||||
3644 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3645 | Params, /*OpenMPCaptureLevel=*/0); | ||||
3646 | // Mark this captured region as inlined, because we don't use outlined | ||||
3647 | // function directly. | ||||
3648 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3649 | AlwaysInlineAttr::CreateImplicit( | ||||
3650 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3651 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3652 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||
3653 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3654 | }; | ||||
3655 | // Start a captured region for 'target' with no implicit parameters. | ||||
3656 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3657 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||
3658 | |||||
3659 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||
3660 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3661 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3662 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3663 | }; | ||||
3664 | // Start a captured region for 'target' with no implicit parameters. | ||||
3665 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3666 | ParamsTeams, /*OpenMPCaptureLevel=*/2); | ||||
3667 | |||||
3668 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
3669 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3670 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3671 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
3672 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
3673 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3674 | }; | ||||
3675 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
3676 | // the same implicit parameters. | ||||
3677 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3678 | ParamsParallel, /*OpenMPCaptureLevel=*/3); | ||||
3679 | break; | ||||
3680 | } | ||||
3681 | |||||
3682 | case OMPD_teams_distribute_parallel_for: | ||||
3683 | case OMPD_teams_distribute_parallel_for_simd: { | ||||
3684 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3685 | QualType KmpInt32PtrTy = | ||||
3686 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3687 | |||||
3688 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||
3689 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3690 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3691 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3692 | }; | ||||
3693 | // Start a captured region for 'target' with no implicit parameters. | ||||
3694 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3695 | ParamsTeams, /*OpenMPCaptureLevel=*/0); | ||||
3696 | |||||
3697 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||
3698 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||
3699 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||
3700 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||
3701 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||
3702 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3703 | }; | ||||
3704 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||
3705 | // the same implicit parameters. | ||||
3706 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3707 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | ||||
3708 | break; | ||||
3709 | } | ||||
3710 | case OMPD_target_update: | ||||
3711 | case OMPD_target_enter_data: | ||||
3712 | case OMPD_target_exit_data: { | ||||
3713 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||
3714 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||
3715 | QualType KmpInt32PtrTy = | ||||
3716 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||
3717 | QualType Args[] = {VoidPtrTy}; | ||||
3718 | FunctionProtoType::ExtProtoInfo EPI; | ||||
3719 | EPI.Variadic = true; | ||||
3720 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||
3721 | Sema::CapturedParamNameType Params[] = { | ||||
3722 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||
3723 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||
3724 | std::make_pair(".privates.", VoidPtrTy), | ||||
3725 | std::make_pair( | ||||
3726 | ".copy_fn.", | ||||
3727 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||
3728 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||
3729 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||
3730 | }; | ||||
3731 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||
3732 | Params); | ||||
3733 | // Mark this captured region as inlined, because we don't use outlined | ||||
3734 | // function directly. | ||||
3735 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||
3736 | AlwaysInlineAttr::CreateImplicit( | ||||
3737 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||
3738 | AlwaysInlineAttr::Keyword_forceinline)); | ||||
3739 | break; | ||||
3740 | } | ||||
3741 | case OMPD_threadprivate: | ||||
3742 | case OMPD_allocate: | ||||
3743 | case OMPD_taskyield: | ||||
3744 | case OMPD_barrier: | ||||
3745 | case OMPD_taskwait: | ||||
3746 | case OMPD_cancellation_point: | ||||
3747 | case OMPD_cancel: | ||||
3748 | case OMPD_flush: | ||||
3749 | case OMPD_depobj: | ||||
3750 | case OMPD_declare_reduction: | ||||
3751 | case OMPD_declare_mapper: | ||||
3752 | case OMPD_declare_simd: | ||||
3753 | case OMPD_declare_target: | ||||
3754 | case OMPD_end_declare_target: | ||||
3755 | case OMPD_requires: | ||||
3756 | case OMPD_declare_variant: | ||||
3757 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 3757); | ||||
3758 | case OMPD_unknown: | ||||
3759 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 3759); | ||||
3760 | } | ||||
3761 | } | ||||
3762 | |||||
3763 | int Sema::getNumberOfConstructScopes(unsigned Level) const { | ||||
3764 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||
3765 | } | ||||
3766 | |||||
3767 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | ||||
3768 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
3769 | getOpenMPCaptureRegions(CaptureRegions, DKind); | ||||
3770 | return CaptureRegions.size(); | ||||
3771 | } | ||||
3772 | |||||
3773 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | ||||
3774 | Expr *CaptureExpr, bool WithInit, | ||||
3775 | bool AsExpression) { | ||||
3776 | assert(CaptureExpr)((CaptureExpr) ? static_cast<void> (0) : __assert_fail ( "CaptureExpr", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 3776, __PRETTY_FUNCTION__)); | ||||
3777 | ASTContext &C = S.getASTContext(); | ||||
3778 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | ||||
3779 | QualType Ty = Init->getType(); | ||||
3780 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | ||||
3781 | if (S.getLangOpts().CPlusPlus) { | ||||
3782 | Ty = C.getLValueReferenceType(Ty); | ||||
3783 | } else { | ||||
3784 | Ty = C.getPointerType(Ty); | ||||
3785 | ExprResult Res = | ||||
3786 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | ||||
3787 | if (!Res.isUsable()) | ||||
3788 | return nullptr; | ||||
3789 | Init = Res.get(); | ||||
3790 | } | ||||
3791 | WithInit = true; | ||||
3792 | } | ||||
3793 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | ||||
3794 | CaptureExpr->getBeginLoc()); | ||||
3795 | if (!WithInit) | ||||
3796 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); | ||||
3797 | S.CurContext->addHiddenDecl(CED); | ||||
3798 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | ||||
3799 | return CED; | ||||
3800 | } | ||||
3801 | |||||
3802 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||
3803 | bool WithInit) { | ||||
3804 | OMPCapturedExprDecl *CD; | ||||
3805 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) | ||||
3806 | CD = cast<OMPCapturedExprDecl>(VD); | ||||
3807 | else | ||||
3808 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | ||||
3809 | /*AsExpression=*/false); | ||||
3810 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||
3811 | CaptureExpr->getExprLoc()); | ||||
3812 | } | ||||
3813 | |||||
3814 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | ||||
3815 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | ||||
3816 | if (!Ref) { | ||||
3817 | OMPCapturedExprDecl *CD = buildCaptureDecl( | ||||
3818 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | ||||
3819 | /*WithInit=*/true, /*AsExpression=*/true); | ||||
3820 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||
3821 | CaptureExpr->getExprLoc()); | ||||
3822 | } | ||||
3823 | ExprResult Res = Ref; | ||||
3824 | if (!S.getLangOpts().CPlusPlus && | ||||
3825 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | ||||
3826 | Ref->getType()->isPointerType()) { | ||||
3827 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | ||||
3828 | if (!Res.isUsable()) | ||||
3829 | return ExprError(); | ||||
3830 | } | ||||
3831 | return S.DefaultLvalueConversion(Res.get()); | ||||
3832 | } | ||||
3833 | |||||
3834 | namespace { | ||||
3835 | // OpenMP directives parsed in this section are represented as a | ||||
3836 | // CapturedStatement with an associated statement. If a syntax error | ||||
3837 | // is detected during the parsing of the associated statement, the | ||||
3838 | // compiler must abort processing and close the CapturedStatement. | ||||
3839 | // | ||||
3840 | // Combined directives such as 'target parallel' have more than one | ||||
3841 | // nested CapturedStatements. This RAII ensures that we unwind out | ||||
3842 | // of all the nested CapturedStatements when an error is found. | ||||
3843 | class CaptureRegionUnwinderRAII { | ||||
3844 | private: | ||||
3845 | Sema &S; | ||||
3846 | bool &ErrorFound; | ||||
3847 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||
3848 | |||||
3849 | public: | ||||
3850 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | ||||
3851 | OpenMPDirectiveKind DKind) | ||||
3852 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | ||||
3853 | ~CaptureRegionUnwinderRAII() { | ||||
3854 | if (ErrorFound) { | ||||
3855 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | ||||
3856 | while (--ThisCaptureLevel >= 0) | ||||
3857 | S.ActOnCapturedRegionError(); | ||||
3858 | } | ||||
3859 | } | ||||
3860 | }; | ||||
3861 | } // namespace | ||||
3862 | |||||
3863 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { | ||||
3864 | // Capture variables captured by reference in lambdas for target-based | ||||
3865 | // directives. | ||||
3866 | if (!CurContext->isDependentContext() && | ||||
3867 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || | ||||
3868 | isOpenMPTargetDataManagementDirective( | ||||
3869 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { | ||||
3870 | QualType Type = V->getType(); | ||||
3871 | if (const auto *RD = Type.getCanonicalType() | ||||
3872 | .getNonReferenceType() | ||||
3873 | ->getAsCXXRecordDecl()) { | ||||
3874 | bool SavedForceCaptureByReferenceInTargetExecutable = | ||||
3875 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); | ||||
3876 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||
3877 | /*V=*/true); | ||||
3878 | if (RD->isLambda()) { | ||||
3879 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | ||||
3880 | FieldDecl *ThisCapture; | ||||
3881 | RD->getCaptureFields(Captures, ThisCapture); | ||||
3882 | for (const LambdaCapture &LC : RD->captures()) { | ||||
3883 | if (LC.getCaptureKind() == LCK_ByRef) { | ||||
3884 | VarDecl *VD = LC.getCapturedVar(); | ||||
3885 | DeclContext *VDC = VD->getDeclContext(); | ||||
3886 | if (!VDC->Encloses(CurContext)) | ||||
3887 | continue; | ||||
3888 | MarkVariableReferenced(LC.getLocation(), VD); | ||||
3889 | } else if (LC.getCaptureKind() == LCK_This) { | ||||
3890 | QualType ThisTy = getCurrentThisType(); | ||||
3891 | if (!ThisTy.isNull() && | ||||
3892 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) | ||||
3893 | CheckCXXThisCapture(LC.getLocation()); | ||||
3894 | } | ||||
3895 | } | ||||
3896 | } | ||||
3897 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||
3898 | SavedForceCaptureByReferenceInTargetExecutable); | ||||
3899 | } | ||||
3900 | } | ||||
3901 | } | ||||
3902 | |||||
3903 | static bool checkOrderedOrderSpecified(Sema &S, | ||||
3904 | const ArrayRef<OMPClause *> Clauses) { | ||||
3905 | const OMPOrderedClause *Ordered = nullptr; | ||||
3906 | const OMPOrderClause *Order = nullptr; | ||||
3907 | |||||
3908 | for (const OMPClause *Clause : Clauses) { | ||||
3909 | if (Clause->getClauseKind() == OMPC_ordered) | ||||
3910 | Ordered = cast<OMPOrderedClause>(Clause); | ||||
3911 | else if (Clause->getClauseKind() == OMPC_order) { | ||||
3912 | Order = cast<OMPOrderClause>(Clause); | ||||
3913 | if (Order->getKind() != OMPC_ORDER_concurrent) | ||||
3914 | Order = nullptr; | ||||
3915 | } | ||||
3916 | if (Ordered && Order) | ||||
3917 | break; | ||||
3918 | } | ||||
3919 | |||||
3920 | if (Ordered && Order) { | ||||
3921 | S.Diag(Order->getKindKwLoc(), | ||||
3922 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||
3923 | << getOpenMPClauseName(OMPC_order) | ||||
3924 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) | ||||
3925 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); | ||||
3926 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) | ||||
3927 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); | ||||
3928 | return true; | ||||
3929 | } | ||||
3930 | return false; | ||||
3931 | } | ||||
3932 | |||||
3933 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | ||||
3934 | ArrayRef<OMPClause *> Clauses) { | ||||
3935 | bool ErrorFound = false; | ||||
3936 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | ||||
3937 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
3938 | if (!S.isUsable()) { | ||||
3939 | ErrorFound = true; | ||||
3940 | return StmtError(); | ||||
3941 | } | ||||
3942 | |||||
3943 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
3944 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
3945 | OMPOrderedClause *OC = nullptr; | ||||
3946 | OMPScheduleClause *SC = nullptr; | ||||
3947 | SmallVector<const OMPLinearClause *, 4> LCs; | ||||
3948 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; | ||||
3949 | // This is required for proper codegen. | ||||
3950 | for (OMPClause *Clause : Clauses) { | ||||
3951 | if (isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
3952 | Clause->getClauseKind() == OMPC_in_reduction) { | ||||
3953 | // Capture taskgroup task_reduction descriptors inside the tasking regions | ||||
3954 | // with the corresponding in_reduction items. | ||||
3955 | auto *IRC = cast<OMPInReductionClause>(Clause); | ||||
3956 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||
3957 | if (E) | ||||
3958 | MarkDeclarationsReferencedInExpr(E); | ||||
3959 | } | ||||
3960 | if (isOpenMPPrivate(Clause->getClauseKind()) || | ||||
3961 | Clause->getClauseKind() == OMPC_copyprivate || | ||||
3962 | (getLangOpts().OpenMPUseTLS && | ||||
3963 | getASTContext().getTargetInfo().isTLSSupported() && | ||||
3964 | Clause->getClauseKind() == OMPC_copyin)) { | ||||
3965 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | ||||
3966 | // Mark all variables in private list clauses as used in inner region. | ||||
3967 | for (Stmt *VarRef : Clause->children()) { | ||||
3968 | if (auto *E = cast_or_null<Expr>(VarRef)) { | ||||
3969 | MarkDeclarationsReferencedInExpr(E); | ||||
3970 | } | ||||
3971 | } | ||||
3972 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | ||||
3973 | } else if (CaptureRegions.size() > 1 || | ||||
3974 | CaptureRegions.back() != OMPD_unknown) { | ||||
3975 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | ||||
3976 | PICs.push_back(C); | ||||
3977 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | ||||
3978 | if (Expr *E = C->getPostUpdateExpr()) | ||||
3979 | MarkDeclarationsReferencedInExpr(E); | ||||
3980 | } | ||||
3981 | } | ||||
3982 | if (Clause->getClauseKind() == OMPC_schedule) | ||||
3983 | SC = cast<OMPScheduleClause>(Clause); | ||||
3984 | else if (Clause->getClauseKind() == OMPC_ordered) | ||||
3985 | OC = cast<OMPOrderedClause>(Clause); | ||||
3986 | else if (Clause->getClauseKind() == OMPC_linear) | ||||
3987 | LCs.push_back(cast<OMPLinearClause>(Clause)); | ||||
3988 | } | ||||
3989 | // Capture allocator expressions if used. | ||||
3990 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) | ||||
3991 | MarkDeclarationsReferencedInExpr(E); | ||||
3992 | // OpenMP, 2.7.1 Loop Construct, Restrictions | ||||
3993 | // The nonmonotonic modifier cannot be specified if an ordered clause is | ||||
3994 | // specified. | ||||
3995 | if (SC && | ||||
3996 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||
3997 | SC->getSecondScheduleModifier() == | ||||
3998 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||
3999 | OC) { | ||||
4000 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | ||||
4001 | ? SC->getFirstScheduleModifierLoc() | ||||
4002 | : SC->getSecondScheduleModifierLoc(), | ||||
4003 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||
4004 | << getOpenMPClauseName(OMPC_schedule) | ||||
4005 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, | ||||
4006 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||
4007 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||
4008 | ErrorFound = true; | ||||
4009 | } | ||||
4010 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. | ||||
4011 | // If an order(concurrent) clause is present, an ordered clause may not appear | ||||
4012 | // on the same directive. | ||||
4013 | if (checkOrderedOrderSpecified(*this, Clauses)) | ||||
4014 | ErrorFound = true; | ||||
4015 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | ||||
4016 | for (const OMPLinearClause *C : LCs) { | ||||
4017 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) | ||||
4018 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||
4019 | } | ||||
4020 | ErrorFound = true; | ||||
4021 | } | ||||
4022 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||
4023 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | ||||
4024 | OC->getNumForLoops()) { | ||||
4025 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) | ||||
4026 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
4027 | ErrorFound = true; | ||||
4028 | } | ||||
4029 | if (ErrorFound) { | ||||
4030 | return StmtError(); | ||||
4031 | } | ||||
4032 | StmtResult SR = S; | ||||
4033 | unsigned CompletedRegions = 0; | ||||
4034 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | ||||
4035 | // Mark all variables in private list clauses as used in inner region. | ||||
4036 | // Required for proper codegen of combined directives. | ||||
4037 | // TODO: add processing for other clauses. | ||||
4038 | if (ThisCaptureRegion != OMPD_unknown) { | ||||
4039 | for (const clang::OMPClauseWithPreInit *C : PICs) { | ||||
4040 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | ||||
4041 | // Find the particular capture region for the clause if the | ||||
4042 | // directive is a combined one with multiple capture regions. | ||||
4043 | // If the directive is not a combined one, the capture region | ||||
4044 | // associated with the clause is OMPD_unknown and is generated | ||||
4045 | // only once. | ||||
4046 | if (CaptureRegion == ThisCaptureRegion || | ||||
4047 | CaptureRegion == OMPD_unknown) { | ||||
4048 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | ||||
4049 | for (Decl *D : DS->decls()) | ||||
4050 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | ||||
4051 | } | ||||
4052 | } | ||||
4053 | } | ||||
4054 | } | ||||
4055 | if (++CompletedRegions == CaptureRegions.size()) | ||||
4056 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); | ||||
4057 | SR = ActOnCapturedRegionEnd(SR.get()); | ||||
4058 | } | ||||
4059 | return SR; | ||||
4060 | } | ||||
4061 | |||||
4062 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | ||||
4063 | OpenMPDirectiveKind CancelRegion, | ||||
4064 | SourceLocation StartLoc) { | ||||
4065 | // CancelRegion is only needed for cancel and cancellation_point. | ||||
4066 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | ||||
4067 | return false; | ||||
4068 | |||||
4069 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | ||||
4070 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | ||||
4071 | return false; | ||||
4072 | |||||
4073 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | ||||
4074 | << getOpenMPDirectiveName(CancelRegion); | ||||
4075 | return true; | ||||
4076 | } | ||||
4077 | |||||
4078 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, | ||||
4079 | OpenMPDirectiveKind CurrentRegion, | ||||
4080 | const DeclarationNameInfo &CurrentName, | ||||
4081 | OpenMPDirectiveKind CancelRegion, | ||||
4082 | SourceLocation StartLoc) { | ||||
4083 | if (Stack->getCurScope()) { | ||||
4084 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); | ||||
4085 | OpenMPDirectiveKind OffendingRegion = ParentRegion; | ||||
4086 | bool NestingProhibited = false; | ||||
4087 | bool CloseNesting = true; | ||||
4088 | bool OrphanSeen = false; | ||||
4089 | enum { | ||||
4090 | NoRecommend, | ||||
4091 | ShouldBeInParallelRegion, | ||||
4092 | ShouldBeInOrderedRegion, | ||||
4093 | ShouldBeInTargetRegion, | ||||
4094 | ShouldBeInTeamsRegion | ||||
4095 | } Recommend = NoRecommend; | ||||
4096 | if (isOpenMPSimdDirective(ParentRegion) && | ||||
4097 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || | ||||
4098 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && | ||||
4099 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic))) { | ||||
4100 | // OpenMP [2.16, Nesting of Regions] | ||||
4101 | // OpenMP constructs may not be nested inside a simd region. | ||||
4102 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
4103 | // An ordered construct with the simd clause is the only OpenMP | ||||
4104 | // construct that can appear in the simd region. | ||||
4105 | // Allowing a SIMD construct nested in another SIMD construct is an | ||||
4106 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | ||||
4107 | // message. | ||||
4108 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] | ||||
4109 | // The only OpenMP constructs that can be encountered during execution of | ||||
4110 | // a simd region are the atomic construct, the loop construct, the simd | ||||
4111 | // construct and the ordered construct with the simd clause. | ||||
4112 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | ||||
4113 | ? diag::err_omp_prohibited_region_simd | ||||
4114 | : diag::warn_omp_nesting_simd) | ||||
4115 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); | ||||
4116 | return CurrentRegion != OMPD_simd; | ||||
4117 | } | ||||
4118 | if (ParentRegion == OMPD_atomic) { | ||||
4119 | // OpenMP [2.16, Nesting of Regions] | ||||
4120 | // OpenMP constructs may not be nested inside an atomic region. | ||||
4121 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | ||||
4122 | return true; | ||||
4123 | } | ||||
4124 | if (CurrentRegion == OMPD_section) { | ||||
4125 | // OpenMP [2.7.2, sections Construct, Restrictions] | ||||
4126 | // Orphaned section directives are prohibited. That is, the section | ||||
4127 | // directives must appear within the sections construct and must not be | ||||
4128 | // encountered elsewhere in the sections region. | ||||
4129 | if (ParentRegion != OMPD_sections && | ||||
4130 | ParentRegion != OMPD_parallel_sections) { | ||||
4131 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | ||||
4132 | << (ParentRegion != OMPD_unknown) | ||||
4133 | << getOpenMPDirectiveName(ParentRegion); | ||||
4134 | return true; | ||||
4135 | } | ||||
4136 | return false; | ||||
4137 | } | ||||
4138 | // Allow some constructs (except teams and cancellation constructs) to be | ||||
4139 | // orphaned (they could be used in functions, called from OpenMP regions | ||||
4140 | // with the required preconditions). | ||||
4141 | if (ParentRegion == OMPD_unknown && | ||||
4142 | !isOpenMPNestingTeamsDirective(CurrentRegion) && | ||||
4143 | CurrentRegion != OMPD_cancellation_point && | ||||
4144 | CurrentRegion != OMPD_cancel) | ||||
4145 | return false; | ||||
4146 | if (CurrentRegion == OMPD_cancellation_point || | ||||
4147 | CurrentRegion == OMPD_cancel) { | ||||
4148 | // OpenMP [2.16, Nesting of Regions] | ||||
4149 | // A cancellation point construct for which construct-type-clause is | ||||
4150 | // taskgroup must be nested inside a task construct. A cancellation | ||||
4151 | // point construct for which construct-type-clause is not taskgroup must | ||||
4152 | // be closely nested inside an OpenMP construct that matches the type | ||||
4153 | // specified in construct-type-clause. | ||||
4154 | // A cancel construct for which construct-type-clause is taskgroup must be | ||||
4155 | // nested inside a task construct. A cancel construct for which | ||||
4156 | // construct-type-clause is not taskgroup must be closely nested inside an | ||||
4157 | // OpenMP construct that matches the type specified in | ||||
4158 | // construct-type-clause. | ||||
4159 | NestingProhibited = | ||||
4160 | !((CancelRegion == OMPD_parallel && | ||||
4161 | (ParentRegion == OMPD_parallel || | ||||
4162 | ParentRegion == OMPD_target_parallel)) || | ||||
4163 | (CancelRegion == OMPD_for && | ||||
4164 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | ||||
4165 | ParentRegion == OMPD_target_parallel_for || | ||||
4166 | ParentRegion == OMPD_distribute_parallel_for || | ||||
4167 | ParentRegion == OMPD_teams_distribute_parallel_for || | ||||
4168 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | ||||
4169 | (CancelRegion == OMPD_taskgroup && | ||||
4170 | (ParentRegion == OMPD_task || | ||||
4171 | (SemaRef.getLangOpts().OpenMP >= 50 && | ||||
4172 | (ParentRegion == OMPD_taskloop || | ||||
4173 | ParentRegion == OMPD_master_taskloop || | ||||
4174 | ParentRegion == OMPD_parallel_master_taskloop)))) || | ||||
4175 | (CancelRegion == OMPD_sections && | ||||
4176 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | ||||
4177 | ParentRegion == OMPD_parallel_sections))); | ||||
4178 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||
4179 | } else if (CurrentRegion == OMPD_master) { | ||||
4180 | // OpenMP [2.16, Nesting of Regions] | ||||
4181 | // A master region may not be closely nested inside a worksharing, | ||||
4182 | // atomic, or explicit task region. | ||||
4183 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4184 | isOpenMPTaskingDirective(ParentRegion); | ||||
4185 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | ||||
4186 | // OpenMP [2.16, Nesting of Regions] | ||||
4187 | // A critical region may not be nested (closely or otherwise) inside a | ||||
4188 | // critical region with the same name. Note that this restriction is not | ||||
4189 | // sufficient to prevent deadlock. | ||||
4190 | SourceLocation PreviousCriticalLoc; | ||||
4191 | bool DeadLock = Stack->hasDirective( | ||||
4192 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | ||||
4193 | const DeclarationNameInfo &DNI, | ||||
4194 | SourceLocation Loc) { | ||||
4195 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | ||||
4196 | PreviousCriticalLoc = Loc; | ||||
4197 | return true; | ||||
4198 | } | ||||
4199 | return false; | ||||
4200 | }, | ||||
4201 | false /* skip top directive */); | ||||
4202 | if (DeadLock) { | ||||
4203 | SemaRef.Diag(StartLoc, | ||||
4204 | diag::err_omp_prohibited_region_critical_same_name) | ||||
4205 | << CurrentName.getName(); | ||||
4206 | if (PreviousCriticalLoc.isValid()) | ||||
4207 | SemaRef.Diag(PreviousCriticalLoc, | ||||
4208 | diag::note_omp_previous_critical_region); | ||||
4209 | return true; | ||||
4210 | } | ||||
4211 | } else if (CurrentRegion == OMPD_barrier) { | ||||
4212 | // OpenMP [2.16, Nesting of Regions] | ||||
4213 | // A barrier region may not be closely nested inside a worksharing, | ||||
4214 | // explicit task, critical, ordered, atomic, or master region. | ||||
4215 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4216 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4217 | ParentRegion == OMPD_master || | ||||
4218 | ParentRegion == OMPD_parallel_master || | ||||
4219 | ParentRegion == OMPD_critical || | ||||
4220 | ParentRegion == OMPD_ordered; | ||||
4221 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | ||||
4222 | !isOpenMPParallelDirective(CurrentRegion) && | ||||
4223 | !isOpenMPTeamsDirective(CurrentRegion)) { | ||||
4224 | // OpenMP [2.16, Nesting of Regions] | ||||
4225 | // A worksharing region may not be closely nested inside a worksharing, | ||||
4226 | // explicit task, critical, ordered, atomic, or master region. | ||||
4227 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||
4228 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4229 | ParentRegion == OMPD_master || | ||||
4230 | ParentRegion == OMPD_parallel_master || | ||||
4231 | ParentRegion == OMPD_critical || | ||||
4232 | ParentRegion == OMPD_ordered; | ||||
4233 | Recommend = ShouldBeInParallelRegion; | ||||
4234 | } else if (CurrentRegion == OMPD_ordered) { | ||||
4235 | // OpenMP [2.16, Nesting of Regions] | ||||
4236 | // An ordered region may not be closely nested inside a critical, | ||||
4237 | // atomic, or explicit task region. | ||||
4238 | // An ordered region must be closely nested inside a loop region (or | ||||
4239 | // parallel loop region) with an ordered clause. | ||||
4240 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
4241 | // An ordered construct with the simd clause is the only OpenMP construct | ||||
4242 | // that can appear in the simd region. | ||||
4243 | NestingProhibited = ParentRegion == OMPD_critical || | ||||
4244 | isOpenMPTaskingDirective(ParentRegion) || | ||||
4245 | !(isOpenMPSimdDirective(ParentRegion) || | ||||
4246 | Stack->isParentOrderedRegion()); | ||||
4247 | Recommend = ShouldBeInOrderedRegion; | ||||
4248 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | ||||
4249 | // OpenMP [2.16, Nesting of Regions] | ||||
4250 | // If specified, a teams construct must be contained within a target | ||||
4251 | // construct. | ||||
4252 | NestingProhibited = | ||||
4253 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || | ||||
4254 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && | ||||
4255 | ParentRegion != OMPD_target); | ||||
4256 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||
4257 | Recommend = ShouldBeInTargetRegion; | ||||
4258 | } | ||||
4259 | if (!NestingProhibited && | ||||
4260 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | ||||
4261 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | ||||
4262 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | ||||
4263 | // OpenMP [2.16, Nesting of Regions] | ||||
4264 | // distribute, parallel, parallel sections, parallel workshare, and the | ||||
4265 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | ||||
4266 | // constructs that can be closely nested in the teams region. | ||||
4267 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | ||||
4268 | !isOpenMPDistributeDirective(CurrentRegion); | ||||
4269 | Recommend = ShouldBeInParallelRegion; | ||||
4270 | } | ||||
4271 | if (!NestingProhibited && | ||||
4272 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | ||||
4273 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||
4274 | // The region associated with the distribute construct must be strictly | ||||
4275 | // nested inside a teams region | ||||
4276 | NestingProhibited = | ||||
4277 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | ||||
4278 | Recommend = ShouldBeInTeamsRegion; | ||||
4279 | } | ||||
4280 | if (!NestingProhibited && | ||||
4281 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | ||||
4282 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | ||||
4283 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||
4284 | // If a target, target update, target data, target enter data, or | ||||
4285 | // target exit data construct is encountered during execution of a | ||||
4286 | // target region, the behavior is unspecified. | ||||
4287 | NestingProhibited = Stack->hasDirective( | ||||
4288 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||
4289 | SourceLocation) { | ||||
4290 | if (isOpenMPTargetExecutionDirective(K)) { | ||||
4291 | OffendingRegion = K; | ||||
4292 | return true; | ||||
4293 | } | ||||
4294 | return false; | ||||
4295 | }, | ||||
4296 | false /* don't skip top directive */); | ||||
4297 | CloseNesting = false; | ||||
4298 | } | ||||
4299 | if (NestingProhibited) { | ||||
4300 | if (OrphanSeen) { | ||||
4301 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | ||||
4302 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | ||||
4303 | } else { | ||||
4304 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | ||||
4305 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | ||||
4306 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | ||||
4307 | } | ||||
4308 | return true; | ||||
4309 | } | ||||
4310 | } | ||||
4311 | return false; | ||||
4312 | } | ||||
4313 | |||||
4314 | struct Kind2Unsigned { | ||||
4315 | using argument_type = OpenMPDirectiveKind; | ||||
4316 | unsigned operator()(argument_type DK) { return unsigned(DK); } | ||||
4317 | }; | ||||
4318 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | ||||
4319 | ArrayRef<OMPClause *> Clauses, | ||||
4320 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | ||||
4321 | bool ErrorFound = false; | ||||
4322 | unsigned NamedModifiersNumber = 0; | ||||
4323 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; | ||||
4324 | FoundNameModifiers.resize(unsigned(OMPD_unknown) + 1); | ||||
4325 | SmallVector<SourceLocation, 4> NameModifierLoc; | ||||
4326 | for (const OMPClause *C : Clauses) { | ||||
4327 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | ||||
4328 | // At most one if clause without a directive-name-modifier can appear on | ||||
4329 | // the directive. | ||||
4330 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | ||||
4331 | if (FoundNameModifiers[CurNM]) { | ||||
4332 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||
4333 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | ||||
4334 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | ||||
4335 | ErrorFound = true; | ||||
4336 | } else if (CurNM != OMPD_unknown) { | ||||
4337 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | ||||
4338 | ++NamedModifiersNumber; | ||||
4339 | } | ||||
4340 | FoundNameModifiers[CurNM] = IC; | ||||
4341 | if (CurNM == OMPD_unknown) | ||||
4342 | continue; | ||||
4343 | // Check if the specified name modifier is allowed for the current | ||||
4344 | // directive. | ||||
4345 | // At most one if clause with the particular directive-name-modifier can | ||||
4346 | // appear on the directive. | ||||
4347 | bool MatchFound = false; | ||||
4348 | for (auto NM : AllowedNameModifiers) { | ||||
4349 | if (CurNM == NM) { | ||||
4350 | MatchFound = true; | ||||
4351 | break; | ||||
4352 | } | ||||
4353 | } | ||||
4354 | if (!MatchFound) { | ||||
4355 | S.Diag(IC->getNameModifierLoc(), | ||||
4356 | diag::err_omp_wrong_if_directive_name_modifier) | ||||
4357 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | ||||
4358 | ErrorFound = true; | ||||
4359 | } | ||||
4360 | } | ||||
4361 | } | ||||
4362 | // If any if clause on the directive includes a directive-name-modifier then | ||||
4363 | // all if clauses on the directive must include a directive-name-modifier. | ||||
4364 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | ||||
4365 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | ||||
4366 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), | ||||
4367 | diag::err_omp_no_more_if_clause); | ||||
4368 | } else { | ||||
4369 | std::string Values; | ||||
4370 | std::string Sep(", "); | ||||
4371 | unsigned AllowedCnt = 0; | ||||
4372 | unsigned TotalAllowedNum = | ||||
4373 | AllowedNameModifiers.size() - NamedModifiersNumber; | ||||
4374 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | ||||
4375 | ++Cnt) { | ||||
4376 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | ||||
4377 | if (!FoundNameModifiers[NM]) { | ||||
4378 | Values += "'"; | ||||
4379 | Values += getOpenMPDirectiveName(NM); | ||||
4380 | Values += "'"; | ||||
4381 | if (AllowedCnt + 2 == TotalAllowedNum) | ||||
4382 | Values += " or "; | ||||
4383 | else if (AllowedCnt + 1 != TotalAllowedNum) | ||||
4384 | Values += Sep; | ||||
4385 | ++AllowedCnt; | ||||
4386 | } | ||||
4387 | } | ||||
4388 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), | ||||
4389 | diag::err_omp_unnamed_if_clause) | ||||
4390 | << (TotalAllowedNum > 1) << Values; | ||||
4391 | } | ||||
4392 | for (SourceLocation Loc : NameModifierLoc) { | ||||
4393 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | ||||
4394 | } | ||||
4395 | ErrorFound = true; | ||||
4396 | } | ||||
4397 | return ErrorFound; | ||||
4398 | } | ||||
4399 | |||||
4400 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, | ||||
4401 | SourceLocation &ELoc, | ||||
4402 | SourceRange &ERange, | ||||
4403 | bool AllowArraySection) { | ||||
4404 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | ||||
4405 | RefExpr->containsUnexpandedParameterPack()) | ||||
4406 | return std::make_pair(nullptr, true); | ||||
4407 | |||||
4408 | // OpenMP [3.1, C/C++] | ||||
4409 | // A list item is a variable name. | ||||
4410 | // OpenMP [2.9.3.3, Restrictions, p.1] | ||||
4411 | // A variable that is part of another variable (as an array or | ||||
4412 | // structure element) cannot appear in a private clause. | ||||
4413 | RefExpr = RefExpr->IgnoreParens(); | ||||
4414 | enum { | ||||
4415 | NoArrayExpr = -1, | ||||
4416 | ArraySubscript = 0, | ||||
4417 | OMPArraySection = 1 | ||||
4418 | } IsArrayExpr = NoArrayExpr; | ||||
4419 | if (AllowArraySection) { | ||||
4420 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | ||||
4421 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | ||||
4422 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
4423 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
4424 | RefExpr = Base; | ||||
4425 | IsArrayExpr = ArraySubscript; | ||||
4426 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | ||||
4427 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||
4428 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | ||||
4429 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||
4430 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||
4431 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
4432 | RefExpr = Base; | ||||
4433 | IsArrayExpr = OMPArraySection; | ||||
4434 | } | ||||
4435 | } | ||||
4436 | ELoc = RefExpr->getExprLoc(); | ||||
4437 | ERange = RefExpr->getSourceRange(); | ||||
4438 | RefExpr = RefExpr->IgnoreParenImpCasts(); | ||||
4439 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | ||||
4440 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | ||||
4441 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | ||||
4442 | (S.getCurrentThisType().isNull() || !ME || | ||||
4443 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | ||||
4444 | !isa<FieldDecl>(ME->getMemberDecl()))) { | ||||
4445 | if (IsArrayExpr != NoArrayExpr) { | ||||
4446 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | ||||
4447 | << ERange; | ||||
4448 | } else { | ||||
4449 | S.Diag(ELoc, | ||||
4450 | AllowArraySection | ||||
4451 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | ||||
4452 | : diag::err_omp_expected_var_name_member_expr) | ||||
4453 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | ||||
4454 | } | ||||
4455 | return std::make_pair(nullptr, false); | ||||
4456 | } | ||||
4457 | return std::make_pair( | ||||
4458 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | ||||
4459 | } | ||||
4460 | |||||
4461 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||
4462 | ArrayRef<OMPClause *> Clauses) { | ||||
4463 | assert(!S.CurContext->isDependentContext() &&((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4464, __PRETTY_FUNCTION__)) | ||||
4464 | "Expected non-dependent context.")((!S.CurContext->isDependentContext() && "Expected non-dependent context." ) ? static_cast<void> (0) : __assert_fail ("!S.CurContext->isDependentContext() && \"Expected non-dependent context.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4464, __PRETTY_FUNCTION__)); | ||||
4465 | auto AllocateRange = | ||||
4466 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); | ||||
4467 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> | ||||
4468 | DeclToCopy; | ||||
4469 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { | ||||
4470 | return isOpenMPPrivate(C->getClauseKind()); | ||||
4471 | }); | ||||
4472 | for (OMPClause *Cl : PrivateRange) { | ||||
4473 | MutableArrayRef<Expr *>::iterator I, It, Et; | ||||
4474 | if (Cl->getClauseKind() == OMPC_private) { | ||||
4475 | auto *PC = cast<OMPPrivateClause>(Cl); | ||||
4476 | I = PC->private_copies().begin(); | ||||
4477 | It = PC->varlist_begin(); | ||||
4478 | Et = PC->varlist_end(); | ||||
4479 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { | ||||
4480 | auto *PC = cast<OMPFirstprivateClause>(Cl); | ||||
4481 | I = PC->private_copies().begin(); | ||||
4482 | It = PC->varlist_begin(); | ||||
4483 | Et = PC->varlist_end(); | ||||
4484 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { | ||||
4485 | auto *PC = cast<OMPLastprivateClause>(Cl); | ||||
4486 | I = PC->private_copies().begin(); | ||||
4487 | It = PC->varlist_begin(); | ||||
4488 | Et = PC->varlist_end(); | ||||
4489 | } else if (Cl->getClauseKind() == OMPC_linear) { | ||||
4490 | auto *PC = cast<OMPLinearClause>(Cl); | ||||
4491 | I = PC->privates().begin(); | ||||
4492 | It = PC->varlist_begin(); | ||||
4493 | Et = PC->varlist_end(); | ||||
4494 | } else if (Cl->getClauseKind() == OMPC_reduction) { | ||||
4495 | auto *PC = cast<OMPReductionClause>(Cl); | ||||
4496 | I = PC->privates().begin(); | ||||
4497 | It = PC->varlist_begin(); | ||||
4498 | Et = PC->varlist_end(); | ||||
4499 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { | ||||
4500 | auto *PC = cast<OMPTaskReductionClause>(Cl); | ||||
4501 | I = PC->privates().begin(); | ||||
4502 | It = PC->varlist_begin(); | ||||
4503 | Et = PC->varlist_end(); | ||||
4504 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { | ||||
4505 | auto *PC = cast<OMPInReductionClause>(Cl); | ||||
4506 | I = PC->privates().begin(); | ||||
4507 | It = PC->varlist_begin(); | ||||
4508 | Et = PC->varlist_end(); | ||||
4509 | } else { | ||||
4510 | llvm_unreachable("Expected private clause.")::llvm::llvm_unreachable_internal("Expected private clause.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4510); | ||||
4511 | } | ||||
4512 | for (Expr *E : llvm::make_range(It, Et)) { | ||||
4513 | if (!*I) { | ||||
4514 | ++I; | ||||
4515 | continue; | ||||
4516 | } | ||||
4517 | SourceLocation ELoc; | ||||
4518 | SourceRange ERange; | ||||
4519 | Expr *SimpleRefExpr = E; | ||||
4520 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||
4521 | /*AllowArraySection=*/true); | ||||
4522 | DeclToCopy.try_emplace(Res.first, | ||||
4523 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); | ||||
4524 | ++I; | ||||
4525 | } | ||||
4526 | } | ||||
4527 | for (OMPClause *C : AllocateRange) { | ||||
4528 | auto *AC = cast<OMPAllocateClause>(C); | ||||
4529 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||
4530 | getAllocatorKind(S, Stack, AC->getAllocator()); | ||||
4531 | // OpenMP, 2.11.4 allocate Clause, Restrictions. | ||||
4532 | // For task, taskloop or target directives, allocation requests to memory | ||||
4533 | // allocators with the trait access set to thread result in unspecified | ||||
4534 | // behavior. | ||||
4535 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && | ||||
4536 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||
4537 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { | ||||
4538 | S.Diag(AC->getAllocator()->getExprLoc(), | ||||
4539 | diag::warn_omp_allocate_thread_on_task_target_directive) | ||||
4540 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||
4541 | } | ||||
4542 | for (Expr *E : AC->varlists()) { | ||||
4543 | SourceLocation ELoc; | ||||
4544 | SourceRange ERange; | ||||
4545 | Expr *SimpleRefExpr = E; | ||||
4546 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); | ||||
4547 | ValueDecl *VD = Res.first; | ||||
4548 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
4549 | if (!isOpenMPPrivate(Data.CKind)) { | ||||
4550 | S.Diag(E->getExprLoc(), | ||||
4551 | diag::err_omp_expected_private_copy_for_allocate); | ||||
4552 | continue; | ||||
4553 | } | ||||
4554 | VarDecl *PrivateVD = DeclToCopy[VD]; | ||||
4555 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, | ||||
4556 | AllocatorKind, AC->getAllocator())) | ||||
4557 | continue; | ||||
4558 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), | ||||
4559 | E->getSourceRange()); | ||||
4560 | } | ||||
4561 | } | ||||
4562 | } | ||||
4563 | |||||
4564 | StmtResult Sema::ActOnOpenMPExecutableDirective( | ||||
4565 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | ||||
4566 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | ||||
4567 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||
4568 | StmtResult Res = StmtError(); | ||||
4569 | // First check CancelRegion which is then used in checkNestingOfRegions. | ||||
4570 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | ||||
4571 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | ||||
4572 | StartLoc)) | ||||
4573 | return StmtError(); | ||||
4574 | |||||
4575 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | ||||
4576 | VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||
4577 | bool ErrorFound = false; | ||||
4578 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | ||||
4579 | if (AStmt && !CurContext->isDependentContext()) { | ||||
4580 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4580, __PRETTY_FUNCTION__)); | ||||
4581 | |||||
4582 | // Check default data sharing attributes for referenced variables. | ||||
4583 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | ||||
4584 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | ||||
4585 | Stmt *S = AStmt; | ||||
4586 | while (--ThisCaptureLevel >= 0) | ||||
4587 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | ||||
4588 | DSAChecker.Visit(S); | ||||
4589 | if (!isOpenMPTargetDataManagementDirective(Kind) && | ||||
4590 | !isOpenMPTaskingDirective(Kind)) { | ||||
4591 | // Visit subcaptures to generate implicit clauses for captured vars. | ||||
4592 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
4593 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||
4594 | getOpenMPCaptureRegions(CaptureRegions, Kind); | ||||
4595 | // Ignore outer tasking regions for target directives. | ||||
4596 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) | ||||
4597 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
4598 | DSAChecker.visitSubCaptures(CS); | ||||
4599 | } | ||||
4600 | if (DSAChecker.isErrorFound()) | ||||
4601 | return StmtError(); | ||||
4602 | // Generate list of implicitly defined firstprivate variables. | ||||
4603 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | ||||
4604 | |||||
4605 | SmallVector<Expr *, 4> ImplicitFirstprivates( | ||||
4606 | DSAChecker.getImplicitFirstprivate().begin(), | ||||
4607 | DSAChecker.getImplicitFirstprivate().end()); | ||||
4608 | SmallVector<Expr *, 4> ImplicitMaps[OMPC_MAP_delete]; | ||||
4609 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { | ||||
4610 | ArrayRef<Expr *> ImplicitMap = | ||||
4611 | DSAChecker.getImplicitMap(static_cast<OpenMPDefaultmapClauseKind>(I)); | ||||
4612 | ImplicitMaps[I].append(ImplicitMap.begin(), ImplicitMap.end()); | ||||
4613 | } | ||||
4614 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | ||||
4615 | for (OMPClause *C : Clauses) { | ||||
4616 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | ||||
4617 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||
4618 | if (E) | ||||
4619 | ImplicitFirstprivates.emplace_back(E); | ||||
4620 | } | ||||
4621 | } | ||||
4622 | if (!ImplicitFirstprivates.empty()) { | ||||
4623 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | ||||
4624 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | ||||
4625 | SourceLocation())) { | ||||
4626 | ClausesWithImplicit.push_back(Implicit); | ||||
4627 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | ||||
4628 | ImplicitFirstprivates.size(); | ||||
4629 | } else { | ||||
4630 | ErrorFound = true; | ||||
4631 | } | ||||
4632 | } | ||||
4633 | int ClauseKindCnt = -1; | ||||
4634 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps) { | ||||
4635 | ++ClauseKindCnt; | ||||
4636 | if (ImplicitMap.empty()) | ||||
4637 | continue; | ||||
4638 | CXXScopeSpec MapperIdScopeSpec; | ||||
4639 | DeclarationNameInfo MapperId; | ||||
4640 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); | ||||
4641 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | ||||
4642 | llvm::None, llvm::None, MapperIdScopeSpec, MapperId, Kind, | ||||
4643 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), | ||||
4644 | ImplicitMap, OMPVarListLocTy())) { | ||||
4645 | ClausesWithImplicit.emplace_back(Implicit); | ||||
4646 | ErrorFound |= | ||||
4647 | cast<OMPMapClause>(Implicit)->varlist_size() != ImplicitMap.size(); | ||||
4648 | } else { | ||||
4649 | ErrorFound = true; | ||||
4650 | } | ||||
4651 | } | ||||
4652 | } | ||||
4653 | |||||
4654 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | ||||
4655 | switch (Kind) { | ||||
4656 | case OMPD_parallel: | ||||
4657 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4658 | EndLoc); | ||||
4659 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4660 | break; | ||||
4661 | case OMPD_simd: | ||||
4662 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||
4663 | VarsWithInheritedDSA); | ||||
4664 | if (LangOpts.OpenMP >= 50) | ||||
4665 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4666 | break; | ||||
4667 | case OMPD_for: | ||||
4668 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||
4669 | VarsWithInheritedDSA); | ||||
4670 | break; | ||||
4671 | case OMPD_for_simd: | ||||
4672 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4673 | EndLoc, VarsWithInheritedDSA); | ||||
4674 | if (LangOpts.OpenMP >= 50) | ||||
4675 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4676 | break; | ||||
4677 | case OMPD_sections: | ||||
4678 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4679 | EndLoc); | ||||
4680 | break; | ||||
4681 | case OMPD_section: | ||||
4682 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4683, __PRETTY_FUNCTION__)) | ||||
4683 | "No clauses are allowed for 'omp section' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4683, __PRETTY_FUNCTION__)); | ||||
4684 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | ||||
4685 | break; | ||||
4686 | case OMPD_single: | ||||
4687 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4688 | EndLoc); | ||||
4689 | break; | ||||
4690 | case OMPD_master: | ||||
4691 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4692, __PRETTY_FUNCTION__)) | ||||
4692 | "No clauses are allowed for 'omp master' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4692, __PRETTY_FUNCTION__)); | ||||
4693 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | ||||
4694 | break; | ||||
4695 | case OMPD_critical: | ||||
4696 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | ||||
4697 | StartLoc, EndLoc); | ||||
4698 | break; | ||||
4699 | case OMPD_parallel_for: | ||||
4700 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4701 | EndLoc, VarsWithInheritedDSA); | ||||
4702 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4703 | break; | ||||
4704 | case OMPD_parallel_for_simd: | ||||
4705 | Res = ActOnOpenMPParallelForSimdDirective( | ||||
4706 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4707 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4708 | if (LangOpts.OpenMP >= 50) | ||||
4709 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4710 | break; | ||||
4711 | case OMPD_parallel_master: | ||||
4712 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, | ||||
4713 | StartLoc, EndLoc); | ||||
4714 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4715 | break; | ||||
4716 | case OMPD_parallel_sections: | ||||
4717 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | ||||
4718 | StartLoc, EndLoc); | ||||
4719 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4720 | break; | ||||
4721 | case OMPD_task: | ||||
4722 | Res = | ||||
4723 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||
4724 | AllowedNameModifiers.push_back(OMPD_task); | ||||
4725 | break; | ||||
4726 | case OMPD_taskyield: | ||||
4727 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4728, __PRETTY_FUNCTION__)) | ||||
4728 | "No clauses are allowed for 'omp taskyield' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4728, __PRETTY_FUNCTION__)); | ||||
4729 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4730, __PRETTY_FUNCTION__)) | ||||
4730 | "No associated statement allowed for 'omp taskyield' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4730, __PRETTY_FUNCTION__)); | ||||
4731 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | ||||
4732 | break; | ||||
4733 | case OMPD_barrier: | ||||
4734 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4735, __PRETTY_FUNCTION__)) | ||||
4735 | "No clauses are allowed for 'omp barrier' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4735, __PRETTY_FUNCTION__)); | ||||
4736 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4737, __PRETTY_FUNCTION__)) | ||||
4737 | "No associated statement allowed for 'omp barrier' directive")((AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4737, __PRETTY_FUNCTION__)); | ||||
4738 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | ||||
4739 | break; | ||||
4740 | case OMPD_taskwait: | ||||
4741 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4742, __PRETTY_FUNCTION__)) | ||||
4742 | "No clauses are allowed for 'omp taskwait' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4742, __PRETTY_FUNCTION__)); | ||||
4743 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4744, __PRETTY_FUNCTION__)) | ||||
4744 | "No associated statement allowed for 'omp taskwait' directive")((AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4744, __PRETTY_FUNCTION__)); | ||||
4745 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | ||||
4746 | break; | ||||
4747 | case OMPD_taskgroup: | ||||
4748 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4749 | EndLoc); | ||||
4750 | break; | ||||
4751 | case OMPD_flush: | ||||
4752 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4753, __PRETTY_FUNCTION__)) | ||||
4753 | "No associated statement allowed for 'omp flush' directive")((AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4753, __PRETTY_FUNCTION__)); | ||||
4754 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||
4755 | break; | ||||
4756 | case OMPD_depobj: | ||||
4757 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4758, __PRETTY_FUNCTION__)) | ||||
4758 | "No associated statement allowed for 'omp depobj' directive")((AStmt == nullptr && "No associated statement allowed for 'omp depobj' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp depobj' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4758, __PRETTY_FUNCTION__)); | ||||
4759 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||
4760 | break; | ||||
4761 | case OMPD_ordered: | ||||
4762 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4763 | EndLoc); | ||||
4764 | break; | ||||
4765 | case OMPD_atomic: | ||||
4766 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4767 | EndLoc); | ||||
4768 | break; | ||||
4769 | case OMPD_teams: | ||||
4770 | Res = | ||||
4771 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||
4772 | break; | ||||
4773 | case OMPD_target: | ||||
4774 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4775 | EndLoc); | ||||
4776 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4777 | break; | ||||
4778 | case OMPD_target_parallel: | ||||
4779 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | ||||
4780 | StartLoc, EndLoc); | ||||
4781 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4782 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4783 | break; | ||||
4784 | case OMPD_target_parallel_for: | ||||
4785 | Res = ActOnOpenMPTargetParallelForDirective( | ||||
4786 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4787 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4788 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4789 | break; | ||||
4790 | case OMPD_cancellation_point: | ||||
4791 | assert(ClausesWithImplicit.empty() &&((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4792, __PRETTY_FUNCTION__)) | ||||
4792 | "No clauses are allowed for 'omp cancellation point' directive")((ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? static_cast<void> (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4792, __PRETTY_FUNCTION__)); | ||||
4793 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4794, __PRETTY_FUNCTION__)) | ||||
4794 | "cancellation point' directive")((AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? static_cast<void> ( 0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4794, __PRETTY_FUNCTION__)); | ||||
4795 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | ||||
4796 | break; | ||||
4797 | case OMPD_cancel: | ||||
4798 | assert(AStmt == nullptr &&((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4799, __PRETTY_FUNCTION__)) | ||||
4799 | "No associated statement allowed for 'omp cancel' directive")((AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? static_cast<void> (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4799, __PRETTY_FUNCTION__)); | ||||
4800 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | ||||
4801 | CancelRegion); | ||||
4802 | AllowedNameModifiers.push_back(OMPD_cancel); | ||||
4803 | break; | ||||
4804 | case OMPD_target_data: | ||||
4805 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4806 | EndLoc); | ||||
4807 | AllowedNameModifiers.push_back(OMPD_target_data); | ||||
4808 | break; | ||||
4809 | case OMPD_target_enter_data: | ||||
4810 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | ||||
4811 | EndLoc, AStmt); | ||||
4812 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | ||||
4813 | break; | ||||
4814 | case OMPD_target_exit_data: | ||||
4815 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | ||||
4816 | EndLoc, AStmt); | ||||
4817 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | ||||
4818 | break; | ||||
4819 | case OMPD_taskloop: | ||||
4820 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4821 | EndLoc, VarsWithInheritedDSA); | ||||
4822 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4823 | break; | ||||
4824 | case OMPD_taskloop_simd: | ||||
4825 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4826 | EndLoc, VarsWithInheritedDSA); | ||||
4827 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4828 | if (LangOpts.OpenMP >= 50) | ||||
4829 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4830 | break; | ||||
4831 | case OMPD_master_taskloop: | ||||
4832 | Res = ActOnOpenMPMasterTaskLoopDirective( | ||||
4833 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4834 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4835 | break; | ||||
4836 | case OMPD_master_taskloop_simd: | ||||
4837 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( | ||||
4838 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4839 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4840 | if (LangOpts.OpenMP >= 50) | ||||
4841 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4842 | break; | ||||
4843 | case OMPD_parallel_master_taskloop: | ||||
4844 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( | ||||
4845 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4846 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4847 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4848 | break; | ||||
4849 | case OMPD_parallel_master_taskloop_simd: | ||||
4850 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||
4851 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4852 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||
4853 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4854 | if (LangOpts.OpenMP >= 50) | ||||
4855 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4856 | break; | ||||
4857 | case OMPD_distribute: | ||||
4858 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4859 | EndLoc, VarsWithInheritedDSA); | ||||
4860 | break; | ||||
4861 | case OMPD_target_update: | ||||
4862 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | ||||
4863 | EndLoc, AStmt); | ||||
4864 | AllowedNameModifiers.push_back(OMPD_target_update); | ||||
4865 | break; | ||||
4866 | case OMPD_distribute_parallel_for: | ||||
4867 | Res = ActOnOpenMPDistributeParallelForDirective( | ||||
4868 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4869 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4870 | break; | ||||
4871 | case OMPD_distribute_parallel_for_simd: | ||||
4872 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | ||||
4873 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4874 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4875 | if (LangOpts.OpenMP >= 50) | ||||
4876 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4877 | break; | ||||
4878 | case OMPD_distribute_simd: | ||||
4879 | Res = ActOnOpenMPDistributeSimdDirective( | ||||
4880 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4881 | if (LangOpts.OpenMP >= 50) | ||||
4882 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4883 | break; | ||||
4884 | case OMPD_target_parallel_for_simd: | ||||
4885 | Res = ActOnOpenMPTargetParallelForSimdDirective( | ||||
4886 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4887 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4888 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4889 | if (LangOpts.OpenMP >= 50) | ||||
4890 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4891 | break; | ||||
4892 | case OMPD_target_simd: | ||||
4893 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4894 | EndLoc, VarsWithInheritedDSA); | ||||
4895 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4896 | if (LangOpts.OpenMP >= 50) | ||||
4897 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4898 | break; | ||||
4899 | case OMPD_teams_distribute: | ||||
4900 | Res = ActOnOpenMPTeamsDistributeDirective( | ||||
4901 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4902 | break; | ||||
4903 | case OMPD_teams_distribute_simd: | ||||
4904 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | ||||
4905 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4906 | if (LangOpts.OpenMP >= 50) | ||||
4907 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4908 | break; | ||||
4909 | case OMPD_teams_distribute_parallel_for_simd: | ||||
4910 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||
4911 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4912 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4913 | if (LangOpts.OpenMP >= 50) | ||||
4914 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4915 | break; | ||||
4916 | case OMPD_teams_distribute_parallel_for: | ||||
4917 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | ||||
4918 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4919 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4920 | break; | ||||
4921 | case OMPD_target_teams: | ||||
4922 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||
4923 | EndLoc); | ||||
4924 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4925 | break; | ||||
4926 | case OMPD_target_teams_distribute: | ||||
4927 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | ||||
4928 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4929 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4930 | break; | ||||
4931 | case OMPD_target_teams_distribute_parallel_for: | ||||
4932 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||
4933 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4934 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4935 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4936 | break; | ||||
4937 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
4938 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||
4939 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4940 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4941 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||
4942 | if (LangOpts.OpenMP >= 50) | ||||
4943 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4944 | break; | ||||
4945 | case OMPD_target_teams_distribute_simd: | ||||
4946 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||
4947 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||
4948 | AllowedNameModifiers.push_back(OMPD_target); | ||||
4949 | if (LangOpts.OpenMP >= 50) | ||||
4950 | AllowedNameModifiers.push_back(OMPD_simd); | ||||
4951 | break; | ||||
4952 | case OMPD_declare_target: | ||||
4953 | case OMPD_end_declare_target: | ||||
4954 | case OMPD_threadprivate: | ||||
4955 | case OMPD_allocate: | ||||
4956 | case OMPD_declare_reduction: | ||||
4957 | case OMPD_declare_mapper: | ||||
4958 | case OMPD_declare_simd: | ||||
4959 | case OMPD_requires: | ||||
4960 | case OMPD_declare_variant: | ||||
4961 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4961); | ||||
4962 | case OMPD_unknown: | ||||
4963 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 4963); | ||||
4964 | } | ||||
4965 | |||||
4966 | ErrorFound = Res.isInvalid() || ErrorFound; | ||||
4967 | |||||
4968 | // Check variables in the clauses if default(none) was specified. | ||||
4969 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none) { | ||||
4970 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); | ||||
4971 | for (OMPClause *C : Clauses) { | ||||
4972 | switch (C->getClauseKind()) { | ||||
4973 | case OMPC_num_threads: | ||||
4974 | case OMPC_dist_schedule: | ||||
4975 | // Do not analyse if no parent teams directive. | ||||
4976 | if (isOpenMPTeamsDirective(Kind)) | ||||
4977 | break; | ||||
4978 | continue; | ||||
4979 | case OMPC_if: | ||||
4980 | if (isOpenMPTeamsDirective(Kind) && | ||||
4981 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) | ||||
4982 | break; | ||||
4983 | if (isOpenMPParallelDirective(Kind) && | ||||
4984 | isOpenMPTaskLoopDirective(Kind) && | ||||
4985 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) | ||||
4986 | break; | ||||
4987 | continue; | ||||
4988 | case OMPC_schedule: | ||||
4989 | break; | ||||
4990 | case OMPC_grainsize: | ||||
4991 | case OMPC_num_tasks: | ||||
4992 | case OMPC_final: | ||||
4993 | case OMPC_priority: | ||||
4994 | // Do not analyze if no parent parallel directive. | ||||
4995 | if (isOpenMPParallelDirective(Kind)) | ||||
4996 | break; | ||||
4997 | continue; | ||||
4998 | case OMPC_ordered: | ||||
4999 | case OMPC_device: | ||||
5000 | case OMPC_num_teams: | ||||
5001 | case OMPC_thread_limit: | ||||
5002 | case OMPC_hint: | ||||
5003 | case OMPC_collapse: | ||||
5004 | case OMPC_safelen: | ||||
5005 | case OMPC_simdlen: | ||||
5006 | case OMPC_default: | ||||
5007 | case OMPC_proc_bind: | ||||
5008 | case OMPC_private: | ||||
5009 | case OMPC_firstprivate: | ||||
5010 | case OMPC_lastprivate: | ||||
5011 | case OMPC_shared: | ||||
5012 | case OMPC_reduction: | ||||
5013 | case OMPC_task_reduction: | ||||
5014 | case OMPC_in_reduction: | ||||
5015 | case OMPC_linear: | ||||
5016 | case OMPC_aligned: | ||||
5017 | case OMPC_copyin: | ||||
5018 | case OMPC_copyprivate: | ||||
5019 | case OMPC_nowait: | ||||
5020 | case OMPC_untied: | ||||
5021 | case OMPC_mergeable: | ||||
5022 | case OMPC_allocate: | ||||
5023 | case OMPC_read: | ||||
5024 | case OMPC_write: | ||||
5025 | case OMPC_update: | ||||
5026 | case OMPC_capture: | ||||
5027 | case OMPC_seq_cst: | ||||
5028 | case OMPC_acq_rel: | ||||
5029 | case OMPC_acquire: | ||||
5030 | case OMPC_release: | ||||
5031 | case OMPC_relaxed: | ||||
5032 | case OMPC_depend: | ||||
5033 | case OMPC_threads: | ||||
5034 | case OMPC_simd: | ||||
5035 | case OMPC_map: | ||||
5036 | case OMPC_nogroup: | ||||
5037 | case OMPC_defaultmap: | ||||
5038 | case OMPC_to: | ||||
5039 | case OMPC_from: | ||||
5040 | case OMPC_use_device_ptr: | ||||
5041 | case OMPC_is_device_ptr: | ||||
5042 | case OMPC_nontemporal: | ||||
5043 | case OMPC_order: | ||||
5044 | case OMPC_destroy: | ||||
5045 | continue; | ||||
5046 | case OMPC_allocator: | ||||
5047 | case OMPC_flush: | ||||
5048 | case OMPC_depobj: | ||||
5049 | case OMPC_threadprivate: | ||||
5050 | case OMPC_uniform: | ||||
5051 | case OMPC_unknown: | ||||
5052 | case OMPC_unified_address: | ||||
5053 | case OMPC_unified_shared_memory: | ||||
5054 | case OMPC_reverse_offload: | ||||
5055 | case OMPC_dynamic_allocators: | ||||
5056 | case OMPC_atomic_default_mem_order: | ||||
5057 | case OMPC_device_type: | ||||
5058 | case OMPC_match: | ||||
5059 | llvm_unreachable("Unexpected clause")::llvm::llvm_unreachable_internal("Unexpected clause", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5059); | ||||
5060 | } | ||||
5061 | for (Stmt *CC : C->children()) { | ||||
5062 | if (CC) | ||||
5063 | DSAChecker.Visit(CC); | ||||
5064 | } | ||||
5065 | } | ||||
5066 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) | ||||
5067 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); | ||||
5068 | } | ||||
5069 | for (const auto &P : VarsWithInheritedDSA) { | ||||
5070 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) | ||||
5071 | continue; | ||||
5072 | ErrorFound = true; | ||||
5073 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none) { | ||||
5074 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | ||||
5075 | << P.first << P.second->getSourceRange(); | ||||
5076 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); | ||||
5077 | } else if (getLangOpts().OpenMP >= 50) { | ||||
5078 | Diag(P.second->getExprLoc(), | ||||
5079 | diag::err_omp_defaultmap_no_attr_for_variable) | ||||
5080 | << P.first << P.second->getSourceRange(); | ||||
5081 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), | ||||
5082 | diag::note_omp_defaultmap_attr_none); | ||||
5083 | } | ||||
5084 | } | ||||
5085 | |||||
5086 | if (!AllowedNameModifiers.empty()) | ||||
5087 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | ||||
5088 | ErrorFound; | ||||
5089 | |||||
5090 | if (ErrorFound) | ||||
5091 | return StmtError(); | ||||
5092 | |||||
5093 | if (!(Res.getAs<OMPExecutableDirective>()->isStandaloneDirective())) { | ||||
5094 | Res.getAs<OMPExecutableDirective>() | ||||
5095 | ->getStructuredBlock() | ||||
5096 | ->setIsOMPStructuredBlock(true); | ||||
5097 | } | ||||
5098 | |||||
5099 | if (!CurContext->isDependentContext() && | ||||
5100 | isOpenMPTargetExecutionDirective(Kind) && | ||||
5101 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||
5102 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || | ||||
5103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || | ||||
5104 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { | ||||
5105 | // Register target to DSA Stack. | ||||
5106 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); | ||||
5107 | } | ||||
5108 | |||||
5109 | return Res; | ||||
5110 | } | ||||
5111 | |||||
5112 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | ||||
5113 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | ||||
5114 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | ||||
5115 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | ||||
5116 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | ||||
5117 | assert(Aligneds.size() == Alignments.size())((Aligneds.size() == Alignments.size()) ? static_cast<void > (0) : __assert_fail ("Aligneds.size() == Alignments.size()" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5117, __PRETTY_FUNCTION__)); | ||||
5118 | assert(Linears.size() == LinModifiers.size())((Linears.size() == LinModifiers.size()) ? static_cast<void > (0) : __assert_fail ("Linears.size() == LinModifiers.size()" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5118, __PRETTY_FUNCTION__)); | ||||
5119 | assert(Linears.size() == Steps.size())((Linears.size() == Steps.size()) ? static_cast<void> ( 0) : __assert_fail ("Linears.size() == Steps.size()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5119, __PRETTY_FUNCTION__)); | ||||
5120 | if (!DG || DG.get().isNull()) | ||||
5121 | return DeclGroupPtrTy(); | ||||
5122 | |||||
5123 | const int SimdId = 0; | ||||
5124 | if (!DG.get().isSingleDecl()) { | ||||
5125 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||
5126 | << SimdId; | ||||
5127 | return DG; | ||||
5128 | } | ||||
5129 | Decl *ADecl = DG.get().getSingleDecl(); | ||||
5130 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||
5131 | ADecl = FTD->getTemplatedDecl(); | ||||
5132 | |||||
5133 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||
5134 | if (!FD) { | ||||
5135 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; | ||||
5136 | return DeclGroupPtrTy(); | ||||
5137 | } | ||||
5138 | |||||
5139 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5140 | // The parameter of the simdlen clause must be a constant positive integer | ||||
5141 | // expression. | ||||
5142 | ExprResult SL; | ||||
5143 | if (Simdlen) | ||||
5144 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | ||||
5145 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5146 | // The special this pointer can be used as if was one of the arguments to the | ||||
5147 | // function in any of the linear, aligned, or uniform clauses. | ||||
5148 | // The uniform clause declares one or more arguments to have an invariant | ||||
5149 | // value for all concurrent invocations of the function in the execution of a | ||||
5150 | // single SIMD loop. | ||||
5151 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; | ||||
5152 | const Expr *UniformedLinearThis = nullptr; | ||||
5153 | for (const Expr *E : Uniforms) { | ||||
5154 | E = E->IgnoreParenImpCasts(); | ||||
5155 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5156 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | ||||
5157 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5158 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5159 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | ||||
5160 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); | ||||
5161 | continue; | ||||
5162 | } | ||||
5163 | if (isa<CXXThisExpr>(E)) { | ||||
5164 | UniformedLinearThis = E; | ||||
5165 | continue; | ||||
5166 | } | ||||
5167 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5168 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5169 | } | ||||
5170 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5171 | // The aligned clause declares that the object to which each list item points | ||||
5172 | // is aligned to the number of bytes expressed in the optional parameter of | ||||
5173 | // the aligned clause. | ||||
5174 | // The special this pointer can be used as if was one of the arguments to the | ||||
5175 | // function in any of the linear, aligned, or uniform clauses. | ||||
5176 | // The type of list items appearing in the aligned clause must be array, | ||||
5177 | // pointer, reference to array, or reference to pointer. | ||||
5178 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; | ||||
5179 | const Expr *AlignedThis = nullptr; | ||||
5180 | for (const Expr *E : Aligneds) { | ||||
5181 | E = E->IgnoreParenImpCasts(); | ||||
5182 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5183 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5184 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5185 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5186 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5187 | ->getCanonicalDecl() == CanonPVD) { | ||||
5188 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
5189 | // A list-item cannot appear in more than one aligned clause. | ||||
5190 | if (AlignedArgs.count(CanonPVD) > 0) { | ||||
5191 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||
5192 | << 1 << getOpenMPClauseName(OMPC_aligned) | ||||
5193 | << E->getSourceRange(); | ||||
5194 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | ||||
5195 | diag::note_omp_explicit_dsa) | ||||
5196 | << getOpenMPClauseName(OMPC_aligned); | ||||
5197 | continue; | ||||
5198 | } | ||||
5199 | AlignedArgs[CanonPVD] = E; | ||||
5200 | QualType QTy = PVD->getType() | ||||
5201 | .getNonReferenceType() | ||||
5202 | .getUnqualifiedType() | ||||
5203 | .getCanonicalType(); | ||||
5204 | const Type *Ty = QTy.getTypePtrOrNull(); | ||||
5205 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||
5206 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | ||||
5207 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | ||||
5208 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | ||||
5209 | } | ||||
5210 | continue; | ||||
5211 | } | ||||
5212 | } | ||||
5213 | if (isa<CXXThisExpr>(E)) { | ||||
5214 | if (AlignedThis) { | ||||
5215 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||
5216 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); | ||||
5217 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
5218 | << getOpenMPClauseName(OMPC_aligned); | ||||
5219 | } | ||||
5220 | AlignedThis = E; | ||||
5221 | continue; | ||||
5222 | } | ||||
5223 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5224 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5225 | } | ||||
5226 | // The optional parameter of the aligned clause, alignment, must be a constant | ||||
5227 | // positive integer expression. If no optional parameter is specified, | ||||
5228 | // implementation-defined default alignments for SIMD instructions on the | ||||
5229 | // target platforms are assumed. | ||||
5230 | SmallVector<const Expr *, 4> NewAligns; | ||||
5231 | for (Expr *E : Alignments) { | ||||
5232 | ExprResult Align; | ||||
5233 | if (E) | ||||
5234 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | ||||
5235 | NewAligns.push_back(Align.get()); | ||||
5236 | } | ||||
5237 | // OpenMP [2.8.2, declare simd construct, Description] | ||||
5238 | // The linear clause declares one or more list items to be private to a SIMD | ||||
5239 | // lane and to have a linear relationship with respect to the iteration space | ||||
5240 | // of a loop. | ||||
5241 | // The special this pointer can be used as if was one of the arguments to the | ||||
5242 | // function in any of the linear, aligned, or uniform clauses. | ||||
5243 | // When a linear-step expression is specified in a linear clause it must be | ||||
5244 | // either a constant integer expression or an integer-typed parameter that is | ||||
5245 | // specified in a uniform clause on the directive. | ||||
5246 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; | ||||
5247 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | ||||
5248 | auto MI = LinModifiers.begin(); | ||||
5249 | for (const Expr *E : Linears) { | ||||
5250 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | ||||
5251 | ++MI; | ||||
5252 | E = E->IgnoreParenImpCasts(); | ||||
5253 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||
5254 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5255 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5256 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||
5257 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||
5258 | ->getCanonicalDecl() == CanonPVD) { | ||||
5259 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | ||||
5260 | // A list-item cannot appear in more than one linear clause. | ||||
5261 | if (LinearArgs.count(CanonPVD) > 0) { | ||||
5262 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5263 | << getOpenMPClauseName(OMPC_linear) | ||||
5264 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | ||||
5265 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | ||||
5266 | diag::note_omp_explicit_dsa) | ||||
5267 | << getOpenMPClauseName(OMPC_linear); | ||||
5268 | continue; | ||||
5269 | } | ||||
5270 | // Each argument can appear in at most one uniform or linear clause. | ||||
5271 | if (UniformedArgs.count(CanonPVD) > 0) { | ||||
5272 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5273 | << getOpenMPClauseName(OMPC_linear) | ||||
5274 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | ||||
5275 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | ||||
5276 | diag::note_omp_explicit_dsa) | ||||
5277 | << getOpenMPClauseName(OMPC_uniform); | ||||
5278 | continue; | ||||
5279 | } | ||||
5280 | LinearArgs[CanonPVD] = E; | ||||
5281 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
5282 | E->isInstantiationDependent() || | ||||
5283 | E->containsUnexpandedParameterPack()) | ||||
5284 | continue; | ||||
5285 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | ||||
5286 | PVD->getOriginalType(), | ||||
5287 | /*IsDeclareSimd=*/true); | ||||
5288 | continue; | ||||
5289 | } | ||||
5290 | } | ||||
5291 | if (isa<CXXThisExpr>(E)) { | ||||
5292 | if (UniformedLinearThis) { | ||||
5293 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||
5294 | << getOpenMPClauseName(OMPC_linear) | ||||
5295 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | ||||
5296 | << E->getSourceRange(); | ||||
5297 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
5298 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | ||||
5299 | : OMPC_linear); | ||||
5300 | continue; | ||||
5301 | } | ||||
5302 | UniformedLinearThis = E; | ||||
5303 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
5304 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||
5305 | continue; | ||||
5306 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | ||||
5307 | E->getType(), /*IsDeclareSimd=*/true); | ||||
5308 | continue; | ||||
5309 | } | ||||
5310 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||
5311 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||
5312 | } | ||||
5313 | Expr *Step = nullptr; | ||||
5314 | Expr *NewStep = nullptr; | ||||
5315 | SmallVector<Expr *, 4> NewSteps; | ||||
5316 | for (Expr *E : Steps) { | ||||
5317 | // Skip the same step expression, it was checked already. | ||||
5318 | if (Step == E || !E) { | ||||
5319 | NewSteps.push_back(E ? NewStep : nullptr); | ||||
5320 | continue; | ||||
5321 | } | ||||
5322 | Step = E; | ||||
5323 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) | ||||
5324 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||
5325 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||
5326 | if (UniformedArgs.count(CanonPVD) == 0) { | ||||
5327 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | ||||
5328 | << Step->getSourceRange(); | ||||
5329 | } else if (E->isValueDependent() || E->isTypeDependent() || | ||||
5330 | E->isInstantiationDependent() || | ||||
5331 | E->containsUnexpandedParameterPack() || | ||||
5332 | CanonPVD->getType()->hasIntegerRepresentation()) { | ||||
5333 | NewSteps.push_back(Step); | ||||
5334 | } else { | ||||
5335 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | ||||
5336 | << Step->getSourceRange(); | ||||
5337 | } | ||||
5338 | continue; | ||||
5339 | } | ||||
5340 | NewStep = Step; | ||||
5341 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||
5342 | !Step->isInstantiationDependent() && | ||||
5343 | !Step->containsUnexpandedParameterPack()) { | ||||
5344 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | ||||
5345 | .get(); | ||||
5346 | if (NewStep) | ||||
5347 | NewStep = VerifyIntegerConstantExpression(NewStep).get(); | ||||
5348 | } | ||||
5349 | NewSteps.push_back(NewStep); | ||||
5350 | } | ||||
5351 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | ||||
5352 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | ||||
5353 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | ||||
5354 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | ||||
5355 | const_cast<Expr **>(Linears.data()), Linears.size(), | ||||
5356 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | ||||
5357 | NewSteps.data(), NewSteps.size(), SR); | ||||
5358 | ADecl->addAttr(NewAttr); | ||||
5359 | return DG; | ||||
5360 | } | ||||
5361 | |||||
5362 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, | ||||
5363 | QualType NewType) { | ||||
5364 | assert(NewType->isFunctionProtoType() &&((NewType->isFunctionProtoType() && "Expected function type with prototype." ) ? static_cast<void> (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5365, __PRETTY_FUNCTION__)) | ||||
5365 | "Expected function type with prototype.")((NewType->isFunctionProtoType() && "Expected function type with prototype." ) ? static_cast<void> (0) : __assert_fail ("NewType->isFunctionProtoType() && \"Expected function type with prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5365, __PRETTY_FUNCTION__)); | ||||
5366 | assert(FD->getType()->isFunctionNoProtoType() &&((FD->getType()->isFunctionNoProtoType() && "Expected function with type with no prototype." ) ? static_cast<void> (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5367, __PRETTY_FUNCTION__)) | ||||
5367 | "Expected function with type with no prototype.")((FD->getType()->isFunctionNoProtoType() && "Expected function with type with no prototype." ) ? static_cast<void> (0) : __assert_fail ("FD->getType()->isFunctionNoProtoType() && \"Expected function with type with no prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5367, __PRETTY_FUNCTION__)); | ||||
5368 | assert(FDWithProto->getType()->isFunctionProtoType() &&((FDWithProto->getType()->isFunctionProtoType() && "Expected function with prototype.") ? static_cast<void> (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5369, __PRETTY_FUNCTION__)) | ||||
5369 | "Expected function with prototype.")((FDWithProto->getType()->isFunctionProtoType() && "Expected function with prototype.") ? static_cast<void> (0) : __assert_fail ("FDWithProto->getType()->isFunctionProtoType() && \"Expected function with prototype.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5369, __PRETTY_FUNCTION__)); | ||||
5370 | // Synthesize parameters with the same types. | ||||
5371 | FD->setType(NewType); | ||||
5372 | SmallVector<ParmVarDecl *, 16> Params; | ||||
5373 | for (const ParmVarDecl *P : FDWithProto->parameters()) { | ||||
5374 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), | ||||
5375 | SourceLocation(), nullptr, P->getType(), | ||||
5376 | /*TInfo=*/nullptr, SC_None, nullptr); | ||||
5377 | Param->setScopeInfo(0, Params.size()); | ||||
5378 | Param->setImplicit(); | ||||
5379 | Params.push_back(Param); | ||||
5380 | } | ||||
5381 | |||||
5382 | FD->setParams(Params); | ||||
5383 | } | ||||
5384 | |||||
5385 | Optional<std::pair<FunctionDecl *, Expr *>> | ||||
5386 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, | ||||
5387 | Expr *VariantRef, OMPTraitInfo &TI, | ||||
5388 | SourceRange SR) { | ||||
5389 | if (!DG || DG.get().isNull()) | ||||
5390 | return None; | ||||
5391 | |||||
5392 | const int VariantId = 1; | ||||
5393 | // Must be applied only to single decl. | ||||
5394 | if (!DG.get().isSingleDecl()) { | ||||
5395 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||
5396 | << VariantId << SR; | ||||
5397 | return None; | ||||
5398 | } | ||||
5399 | Decl *ADecl = DG.get().getSingleDecl(); | ||||
5400 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||
5401 | ADecl = FTD->getTemplatedDecl(); | ||||
5402 | |||||
5403 | // Decl must be a function. | ||||
5404 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||
5405 | if (!FD) { | ||||
5406 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) | ||||
5407 | << VariantId << SR; | ||||
5408 | return None; | ||||
5409 | } | ||||
5410 | |||||
5411 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { | ||||
5412 | return FD->hasAttrs() && | ||||
5413 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || | ||||
5414 | FD->hasAttr<TargetAttr>()); | ||||
5415 | }; | ||||
5416 | // OpenMP is not compatible with CPU-specific attributes. | ||||
5417 | if (HasMultiVersionAttributes(FD)) { | ||||
5418 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) | ||||
5419 | << SR; | ||||
5420 | return None; | ||||
5421 | } | ||||
5422 | |||||
5423 | // Allow #pragma omp declare variant only if the function is not used. | ||||
5424 | if (FD->isUsed(false)) | ||||
5425 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) | ||||
5426 | << FD->getLocation(); | ||||
5427 | |||||
5428 | // Check if the function was emitted already. | ||||
5429 | const FunctionDecl *Definition; | ||||
5430 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && | ||||
5431 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) | ||||
5432 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) | ||||
5433 | << FD->getLocation(); | ||||
5434 | |||||
5435 | // The VariantRef must point to function. | ||||
5436 | if (!VariantRef) { | ||||
5437 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; | ||||
5438 | return None; | ||||
5439 | } | ||||
5440 | |||||
5441 | auto ShouldDelayChecks = [](Expr *&E, bool) { | ||||
5442 | return E && (E->isTypeDependent() || E->isValueDependent() || | ||||
5443 | E->containsUnexpandedParameterPack() || | ||||
5444 | E->isInstantiationDependent()); | ||||
5445 | }; | ||||
5446 | // Do not check templates, wait until instantiation. | ||||
5447 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || | ||||
5448 | TI.anyScoreOrCondition(ShouldDelayChecks)) | ||||
5449 | return std::make_pair(FD, VariantRef); | ||||
5450 | |||||
5451 | // Deal with non-constant score and user condition expressions. | ||||
5452 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, | ||||
5453 | bool IsScore) -> bool { | ||||
5454 | llvm::APSInt Result; | ||||
5455 | if (!E || E->isIntegerConstantExpr(Result, Context)) | ||||
5456 | return false; | ||||
5457 | |||||
5458 | if (IsScore) { | ||||
5459 | // We warn on non-constant scores and pretend they were not present. | ||||
5460 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) | ||||
5461 | << E; | ||||
5462 | E = nullptr; | ||||
5463 | } else { | ||||
5464 | // We could replace a non-constant user condition with "false" but we | ||||
5465 | // will soon need to handle these anyway for the dynamic version of | ||||
5466 | // OpenMP context selectors. | ||||
5467 | Diag(E->getExprLoc(), | ||||
5468 | diag::err_omp_declare_variant_user_condition_not_constant) | ||||
5469 | << E; | ||||
5470 | } | ||||
5471 | return true; | ||||
5472 | }; | ||||
5473 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) | ||||
5474 | return None; | ||||
5475 | |||||
5476 | // Convert VariantRef expression to the type of the original function to | ||||
5477 | // resolve possible conflicts. | ||||
5478 | ExprResult VariantRefCast; | ||||
5479 | if (LangOpts.CPlusPlus) { | ||||
5480 | QualType FnPtrType; | ||||
5481 | auto *Method = dyn_cast<CXXMethodDecl>(FD); | ||||
5482 | if (Method && !Method->isStatic()) { | ||||
5483 | const Type *ClassType = | ||||
5484 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); | ||||
5485 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); | ||||
5486 | ExprResult ER; | ||||
5487 | { | ||||
5488 | // Build adrr_of unary op to correctly handle type checks for member | ||||
5489 | // functions. | ||||
5490 | Sema::TentativeAnalysisScope Trap(*this); | ||||
5491 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, | ||||
5492 | VariantRef); | ||||
5493 | } | ||||
5494 | if (!ER.isUsable()) { | ||||
5495 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
5496 | << VariantId << VariantRef->getSourceRange(); | ||||
5497 | return None; | ||||
5498 | } | ||||
5499 | VariantRef = ER.get(); | ||||
5500 | } else { | ||||
5501 | FnPtrType = Context.getPointerType(FD->getType()); | ||||
5502 | } | ||||
5503 | ImplicitConversionSequence ICS = | ||||
5504 | TryImplicitConversion(VariantRef, FnPtrType.getUnqualifiedType(), | ||||
5505 | /*SuppressUserConversions=*/false, | ||||
5506 | AllowedExplicit::None, | ||||
5507 | /*InOverloadResolution=*/false, | ||||
5508 | /*CStyle=*/false, | ||||
5509 | /*AllowObjCWritebackConversion=*/false); | ||||
5510 | if (ICS.isFailure()) { | ||||
5511 | Diag(VariantRef->getExprLoc(), | ||||
5512 | diag::err_omp_declare_variant_incompat_types) | ||||
5513 | << VariantRef->getType() | ||||
5514 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) | ||||
5515 | << VariantRef->getSourceRange(); | ||||
5516 | return None; | ||||
5517 | } | ||||
5518 | VariantRefCast = PerformImplicitConversion( | ||||
5519 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); | ||||
5520 | if (!VariantRefCast.isUsable()) | ||||
5521 | return None; | ||||
5522 | // Drop previously built artificial addr_of unary op for member functions. | ||||
5523 | if (Method && !Method->isStatic()) { | ||||
5524 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); | ||||
5525 | if (auto *UO = dyn_cast<UnaryOperator>( | ||||
5526 | PossibleAddrOfVariantRef->IgnoreImplicit())) | ||||
5527 | VariantRefCast = UO->getSubExpr(); | ||||
5528 | } | ||||
5529 | } else { | ||||
5530 | VariantRefCast = VariantRef; | ||||
5531 | } | ||||
5532 | |||||
5533 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); | ||||
5534 | if (!ER.isUsable() || | ||||
5535 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { | ||||
5536 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
5537 | << VariantId << VariantRef->getSourceRange(); | ||||
5538 | return None; | ||||
5539 | } | ||||
5540 | |||||
5541 | // The VariantRef must point to function. | ||||
5542 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); | ||||
5543 | if (!DRE) { | ||||
5544 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
5545 | << VariantId << VariantRef->getSourceRange(); | ||||
5546 | return None; | ||||
5547 | } | ||||
5548 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); | ||||
5549 | if (!NewFD) { | ||||
5550 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||
5551 | << VariantId << VariantRef->getSourceRange(); | ||||
5552 | return None; | ||||
5553 | } | ||||
5554 | |||||
5555 | // Check if function types are compatible in C. | ||||
5556 | if (!LangOpts.CPlusPlus) { | ||||
5557 | QualType NewType = | ||||
5558 | Context.mergeFunctionTypes(FD->getType(), NewFD->getType()); | ||||
5559 | if (NewType.isNull()) { | ||||
5560 | Diag(VariantRef->getExprLoc(), | ||||
5561 | diag::err_omp_declare_variant_incompat_types) | ||||
5562 | << NewFD->getType() << FD->getType() << VariantRef->getSourceRange(); | ||||
5563 | return None; | ||||
5564 | } | ||||
5565 | if (NewType->isFunctionProtoType()) { | ||||
5566 | if (FD->getType()->isFunctionNoProtoType()) | ||||
5567 | setPrototype(*this, FD, NewFD, NewType); | ||||
5568 | else if (NewFD->getType()->isFunctionNoProtoType()) | ||||
5569 | setPrototype(*this, NewFD, FD, NewType); | ||||
5570 | } | ||||
5571 | } | ||||
5572 | |||||
5573 | // Check if variant function is not marked with declare variant directive. | ||||
5574 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { | ||||
5575 | Diag(VariantRef->getExprLoc(), | ||||
5576 | diag::warn_omp_declare_variant_marked_as_declare_variant) | ||||
5577 | << VariantRef->getSourceRange(); | ||||
5578 | SourceRange SR = | ||||
5579 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); | ||||
5580 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; | ||||
5581 | return None; | ||||
5582 | } | ||||
5583 | |||||
5584 | enum DoesntSupport { | ||||
5585 | VirtFuncs = 1, | ||||
5586 | Constructors = 3, | ||||
5587 | Destructors = 4, | ||||
5588 | DeletedFuncs = 5, | ||||
5589 | DefaultedFuncs = 6, | ||||
5590 | ConstexprFuncs = 7, | ||||
5591 | ConstevalFuncs = 8, | ||||
5592 | }; | ||||
5593 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { | ||||
5594 | if (CXXFD->isVirtual()) { | ||||
5595 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5596 | << VirtFuncs; | ||||
5597 | return None; | ||||
5598 | } | ||||
5599 | |||||
5600 | if (isa<CXXConstructorDecl>(FD)) { | ||||
5601 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5602 | << Constructors; | ||||
5603 | return None; | ||||
5604 | } | ||||
5605 | |||||
5606 | if (isa<CXXDestructorDecl>(FD)) { | ||||
5607 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5608 | << Destructors; | ||||
5609 | return None; | ||||
5610 | } | ||||
5611 | } | ||||
5612 | |||||
5613 | if (FD->isDeleted()) { | ||||
5614 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5615 | << DeletedFuncs; | ||||
5616 | return None; | ||||
5617 | } | ||||
5618 | |||||
5619 | if (FD->isDefaulted()) { | ||||
5620 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5621 | << DefaultedFuncs; | ||||
5622 | return None; | ||||
5623 | } | ||||
5624 | |||||
5625 | if (FD->isConstexpr()) { | ||||
5626 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||
5627 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); | ||||
5628 | return None; | ||||
5629 | } | ||||
5630 | |||||
5631 | // Check general compatibility. | ||||
5632 | if (areMultiversionVariantFunctionsCompatible( | ||||
5633 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), | ||||
5634 | PartialDiagnosticAt(SourceLocation(), | ||||
5635 | PartialDiagnostic::NullDiagnostic()), | ||||
5636 | PartialDiagnosticAt( | ||||
5637 | VariantRef->getExprLoc(), | ||||
5638 | PDiag(diag::err_omp_declare_variant_doesnt_support)), | ||||
5639 | PartialDiagnosticAt(VariantRef->getExprLoc(), | ||||
5640 | PDiag(diag::err_omp_declare_variant_diff) | ||||
5641 | << FD->getLocation()), | ||||
5642 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, | ||||
5643 | /*CLinkageMayDiffer=*/true)) | ||||
5644 | return None; | ||||
5645 | return std::make_pair(FD, cast<Expr>(DRE)); | ||||
5646 | } | ||||
5647 | |||||
5648 | void Sema::ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, | ||||
5649 | Expr *VariantRef, | ||||
5650 | OMPTraitInfo &TI, | ||||
5651 | SourceRange SR) { | ||||
5652 | auto *NewAttr = | ||||
5653 | OMPDeclareVariantAttr::CreateImplicit(Context, VariantRef, TI, SR); | ||||
5654 | FD->addAttr(NewAttr); | ||||
5655 | } | ||||
5656 | |||||
5657 | void Sema::markOpenMPDeclareVariantFuncsReferenced(SourceLocation Loc, | ||||
5658 | FunctionDecl *Func, | ||||
5659 | bool MightBeOdrUse) { | ||||
5660 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((LangOpts.OpenMP && "Expected OpenMP mode.") ? static_cast <void> (0) : __assert_fail ("LangOpts.OpenMP && \"Expected OpenMP mode.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5660, __PRETTY_FUNCTION__)); | ||||
5661 | |||||
5662 | if (!Func->isDependentContext() && Func->hasAttrs()) { | ||||
5663 | for (OMPDeclareVariantAttr *A : | ||||
5664 | Func->specific_attrs<OMPDeclareVariantAttr>()) { | ||||
5665 | // TODO: add checks for active OpenMP context where possible. | ||||
5666 | Expr *VariantRef = A->getVariantFuncRef(); | ||||
5667 | auto *DRE = cast<DeclRefExpr>(VariantRef->IgnoreParenImpCasts()); | ||||
5668 | auto *F = cast<FunctionDecl>(DRE->getDecl()); | ||||
5669 | if (!F->isDefined() && F->isTemplateInstantiation()) | ||||
5670 | InstantiateFunctionDefinition(Loc, F->getFirstDecl()); | ||||
5671 | MarkFunctionReferenced(Loc, F, MightBeOdrUse); | ||||
5672 | } | ||||
5673 | } | ||||
5674 | } | ||||
5675 | |||||
5676 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||
5677 | Stmt *AStmt, | ||||
5678 | SourceLocation StartLoc, | ||||
5679 | SourceLocation EndLoc) { | ||||
5680 | if (!AStmt) | ||||
5681 | return StmtError(); | ||||
5682 | |||||
5683 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
5684 | // 1.2.2 OpenMP Language Terminology | ||||
5685 | // Structured block - An executable statement with a single entry at the | ||||
5686 | // top and a single exit at the bottom. | ||||
5687 | // The point of exit cannot be a branch out of the structured block. | ||||
5688 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
5689 | CS->getCapturedDecl()->setNothrow(); | ||||
5690 | |||||
5691 | setFunctionHasBranchProtectedScope(); | ||||
5692 | |||||
5693 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
5694 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
5695 | } | ||||
5696 | |||||
5697 | namespace { | ||||
5698 | /// Iteration space of a single for loop. | ||||
5699 | struct LoopIterationSpace final { | ||||
5700 | /// True if the condition operator is the strict compare operator (<, > or | ||||
5701 | /// !=). | ||||
5702 | bool IsStrictCompare = false; | ||||
5703 | /// Condition of the loop. | ||||
5704 | Expr *PreCond = nullptr; | ||||
5705 | /// This expression calculates the number of iterations in the loop. | ||||
5706 | /// It is always possible to calculate it before starting the loop. | ||||
5707 | Expr *NumIterations = nullptr; | ||||
5708 | /// The loop counter variable. | ||||
5709 | Expr *CounterVar = nullptr; | ||||
5710 | /// Private loop counter variable. | ||||
5711 | Expr *PrivateCounterVar = nullptr; | ||||
5712 | /// This is initializer for the initial value of #CounterVar. | ||||
5713 | Expr *CounterInit = nullptr; | ||||
5714 | /// This is step for the #CounterVar used to generate its update: | ||||
5715 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | ||||
5716 | Expr *CounterStep = nullptr; | ||||
5717 | /// Should step be subtracted? | ||||
5718 | bool Subtract = false; | ||||
5719 | /// Source range of the loop init. | ||||
5720 | SourceRange InitSrcRange; | ||||
5721 | /// Source range of the loop condition. | ||||
5722 | SourceRange CondSrcRange; | ||||
5723 | /// Source range of the loop increment. | ||||
5724 | SourceRange IncSrcRange; | ||||
5725 | /// Minimum value that can have the loop control variable. Used to support | ||||
5726 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, | ||||
5727 | /// since only such variables can be used in non-loop invariant expressions. | ||||
5728 | Expr *MinValue = nullptr; | ||||
5729 | /// Maximum value that can have the loop control variable. Used to support | ||||
5730 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, | ||||
5731 | /// since only such variables can be used in non-loop invariant expressions. | ||||
5732 | Expr *MaxValue = nullptr; | ||||
5733 | /// true, if the lower bound depends on the outer loop control var. | ||||
5734 | bool IsNonRectangularLB = false; | ||||
5735 | /// true, if the upper bound depends on the outer loop control var. | ||||
5736 | bool IsNonRectangularUB = false; | ||||
5737 | /// Index of the loop this loop depends on and forms non-rectangular loop | ||||
5738 | /// nest. | ||||
5739 | unsigned LoopDependentIdx = 0; | ||||
5740 | /// Final condition for the non-rectangular loop nest support. It is used to | ||||
5741 | /// check that the number of iterations for this particular counter must be | ||||
5742 | /// finished. | ||||
5743 | Expr *FinalCondition = nullptr; | ||||
5744 | }; | ||||
5745 | |||||
5746 | /// Helper class for checking canonical form of the OpenMP loops and | ||||
5747 | /// extracting iteration space of each loop in the loop nest, that will be used | ||||
5748 | /// for IR generation. | ||||
5749 | class OpenMPIterationSpaceChecker { | ||||
5750 | /// Reference to Sema. | ||||
5751 | Sema &SemaRef; | ||||
5752 | /// Data-sharing stack. | ||||
5753 | DSAStackTy &Stack; | ||||
5754 | /// A location for diagnostics (when there is no some better location). | ||||
5755 | SourceLocation DefaultLoc; | ||||
5756 | /// A location for diagnostics (when increment is not compatible). | ||||
5757 | SourceLocation ConditionLoc; | ||||
5758 | /// A source location for referring to loop init later. | ||||
5759 | SourceRange InitSrcRange; | ||||
5760 | /// A source location for referring to condition later. | ||||
5761 | SourceRange ConditionSrcRange; | ||||
5762 | /// A source location for referring to increment later. | ||||
5763 | SourceRange IncrementSrcRange; | ||||
5764 | /// Loop variable. | ||||
5765 | ValueDecl *LCDecl = nullptr; | ||||
5766 | /// Reference to loop variable. | ||||
5767 | Expr *LCRef = nullptr; | ||||
5768 | /// Lower bound (initializer for the var). | ||||
5769 | Expr *LB = nullptr; | ||||
5770 | /// Upper bound. | ||||
5771 | Expr *UB = nullptr; | ||||
5772 | /// Loop step (increment). | ||||
5773 | Expr *Step = nullptr; | ||||
5774 | /// This flag is true when condition is one of: | ||||
5775 | /// Var < UB | ||||
5776 | /// Var <= UB | ||||
5777 | /// UB > Var | ||||
5778 | /// UB >= Var | ||||
5779 | /// This will have no value when the condition is != | ||||
5780 | llvm::Optional<bool> TestIsLessOp; | ||||
5781 | /// This flag is true when condition is strict ( < or > ). | ||||
5782 | bool TestIsStrictOp = false; | ||||
5783 | /// This flag is true when step is subtracted on each iteration. | ||||
5784 | bool SubtractStep = false; | ||||
5785 | /// The outer loop counter this loop depends on (if any). | ||||
5786 | const ValueDecl *DepDecl = nullptr; | ||||
5787 | /// Contains number of loop (starts from 1) on which loop counter init | ||||
5788 | /// expression of this loop depends on. | ||||
5789 | Optional<unsigned> InitDependOnLC; | ||||
5790 | /// Contains number of loop (starts from 1) on which loop counter condition | ||||
5791 | /// expression of this loop depends on. | ||||
5792 | Optional<unsigned> CondDependOnLC; | ||||
5793 | /// Checks if the provide statement depends on the loop counter. | ||||
5794 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); | ||||
5795 | /// Original condition required for checking of the exit condition for | ||||
5796 | /// non-rectangular loop. | ||||
5797 | Expr *Condition = nullptr; | ||||
5798 | |||||
5799 | public: | ||||
5800 | OpenMPIterationSpaceChecker(Sema &SemaRef, DSAStackTy &Stack, | ||||
5801 | SourceLocation DefaultLoc) | ||||
5802 | : SemaRef(SemaRef), Stack(Stack), DefaultLoc(DefaultLoc), | ||||
5803 | ConditionLoc(DefaultLoc) {} | ||||
5804 | /// Check init-expr for canonical loop form and save loop counter | ||||
5805 | /// variable - #Var and its initialization value - #LB. | ||||
5806 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); | ||||
5807 | /// Check test-expr for canonical form, save upper-bound (#UB), flags | ||||
5808 | /// for less/greater and for strict/non-strict comparison. | ||||
5809 | bool checkAndSetCond(Expr *S); | ||||
5810 | /// Check incr-expr for canonical loop form and return true if it | ||||
5811 | /// does not conform, otherwise save loop step (#Step). | ||||
5812 | bool checkAndSetInc(Expr *S); | ||||
5813 | /// Return the loop counter variable. | ||||
5814 | ValueDecl *getLoopDecl() const { return LCDecl; } | ||||
5815 | /// Return the reference expression to loop counter variable. | ||||
5816 | Expr *getLoopDeclRefExpr() const { return LCRef; } | ||||
5817 | /// Source range of the loop init. | ||||
5818 | SourceRange getInitSrcRange() const { return InitSrcRange; } | ||||
5819 | /// Source range of the loop condition. | ||||
5820 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } | ||||
5821 | /// Source range of the loop increment. | ||||
5822 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } | ||||
5823 | /// True if the step should be subtracted. | ||||
5824 | bool shouldSubtractStep() const { return SubtractStep; } | ||||
5825 | /// True, if the compare operator is strict (<, > or !=). | ||||
5826 | bool isStrictTestOp() const { return TestIsStrictOp; } | ||||
5827 | /// Build the expression to calculate the number of iterations. | ||||
5828 | Expr *buildNumIterations( | ||||
5829 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||
5830 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
5831 | /// Build the precondition expression for the loops. | ||||
5832 | Expr * | ||||
5833 | buildPreCond(Scope *S, Expr *Cond, | ||||
5834 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
5835 | /// Build reference expression to the counter be used for codegen. | ||||
5836 | DeclRefExpr * | ||||
5837 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
5838 | DSAStackTy &DSA) const; | ||||
5839 | /// Build reference expression to the private counter be used for | ||||
5840 | /// codegen. | ||||
5841 | Expr *buildPrivateCounterVar() const; | ||||
5842 | /// Build initialization of the counter be used for codegen. | ||||
5843 | Expr *buildCounterInit() const; | ||||
5844 | /// Build step of the counter be used for codegen. | ||||
5845 | Expr *buildCounterStep() const; | ||||
5846 | /// Build loop data with counter value for depend clauses in ordered | ||||
5847 | /// directives. | ||||
5848 | Expr * | ||||
5849 | buildOrderedLoopData(Scope *S, Expr *Counter, | ||||
5850 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
5851 | SourceLocation Loc, Expr *Inc = nullptr, | ||||
5852 | OverloadedOperatorKind OOK = OO_Amp); | ||||
5853 | /// Builds the minimum value for the loop counter. | ||||
5854 | std::pair<Expr *, Expr *> buildMinMaxValues( | ||||
5855 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||
5856 | /// Builds final condition for the non-rectangular loops. | ||||
5857 | Expr *buildFinalCondition(Scope *S) const; | ||||
5858 | /// Return true if any expression is dependent. | ||||
5859 | bool dependent() const; | ||||
5860 | /// Returns true if the initializer forms non-rectangular loop. | ||||
5861 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } | ||||
5862 | /// Returns true if the condition forms non-rectangular loop. | ||||
5863 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } | ||||
5864 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. | ||||
5865 | unsigned getLoopDependentIdx() const { | ||||
5866 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); | ||||
5867 | } | ||||
5868 | |||||
5869 | private: | ||||
5870 | /// Check the right-hand side of an assignment in the increment | ||||
5871 | /// expression. | ||||
5872 | bool checkAndSetIncRHS(Expr *RHS); | ||||
5873 | /// Helper to set loop counter variable and its initializer. | ||||
5874 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, | ||||
5875 | bool EmitDiags); | ||||
5876 | /// Helper to set upper bound. | ||||
5877 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, | ||||
5878 | SourceRange SR, SourceLocation SL); | ||||
5879 | /// Helper to set loop increment. | ||||
5880 | bool setStep(Expr *NewStep, bool Subtract); | ||||
5881 | }; | ||||
5882 | |||||
5883 | bool OpenMPIterationSpaceChecker::dependent() const { | ||||
5884 | if (!LCDecl) { | ||||
5885 | assert(!LB && !UB && !Step)((!LB && !UB && !Step) ? static_cast<void> (0) : __assert_fail ("!LB && !UB && !Step", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5885, __PRETTY_FUNCTION__)); | ||||
5886 | return false; | ||||
5887 | } | ||||
5888 | return LCDecl->getType()->isDependentType() || | ||||
5889 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | ||||
5890 | (Step && Step->isValueDependent()); | ||||
5891 | } | ||||
5892 | |||||
5893 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, | ||||
5894 | Expr *NewLCRefExpr, | ||||
5895 | Expr *NewLB, bool EmitDiags) { | ||||
5896 | // State consistency checking to ensure correct usage. | ||||
5897 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5898, __PRETTY_FUNCTION__)) | ||||
5898 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast <void> (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5898, __PRETTY_FUNCTION__)); | ||||
5899 | if (!NewLCDecl || !NewLB) | ||||
5900 | return true; | ||||
5901 | LCDecl = getCanonicalDecl(NewLCDecl); | ||||
5902 | LCRef = NewLCRefExpr; | ||||
5903 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | ||||
5904 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||
5905 | if ((Ctor->isCopyOrMoveConstructor() || | ||||
5906 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||
5907 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||
5908 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | ||||
5909 | LB = NewLB; | ||||
5910 | if (EmitDiags) | ||||
5911 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); | ||||
5912 | return false; | ||||
5913 | } | ||||
5914 | |||||
5915 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, | ||||
5916 | llvm::Optional<bool> LessOp, | ||||
5917 | bool StrictOp, SourceRange SR, | ||||
5918 | SourceLocation SL) { | ||||
5919 | // State consistency checking to ensure correct usage. | ||||
5920 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5921, __PRETTY_FUNCTION__)) | ||||
5921 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5921, __PRETTY_FUNCTION__)); | ||||
5922 | if (!NewUB) | ||||
5923 | return true; | ||||
5924 | UB = NewUB; | ||||
5925 | if (LessOp) | ||||
5926 | TestIsLessOp = LessOp; | ||||
5927 | TestIsStrictOp = StrictOp; | ||||
5928 | ConditionSrcRange = SR; | ||||
5929 | ConditionLoc = SL; | ||||
5930 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); | ||||
5931 | return false; | ||||
5932 | } | ||||
5933 | |||||
5934 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { | ||||
5935 | // State consistency checking to ensure correct usage. | ||||
5936 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)((LCDecl != nullptr && LB != nullptr && Step == nullptr) ? static_cast<void> (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && Step == nullptr" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 5936, __PRETTY_FUNCTION__)); | ||||
5937 | if (!NewStep) | ||||
5938 | return true; | ||||
5939 | if (!NewStep->isValueDependent()) { | ||||
5940 | // Check that the step is integer expression. | ||||
5941 | SourceLocation StepLoc = NewStep->getBeginLoc(); | ||||
5942 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | ||||
5943 | StepLoc, getExprAsWritten(NewStep)); | ||||
5944 | if (Val.isInvalid()) | ||||
5945 | return true; | ||||
5946 | NewStep = Val.get(); | ||||
5947 | |||||
5948 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | ||||
5949 | // If test-expr is of form var relational-op b and relational-op is < or | ||||
5950 | // <= then incr-expr must cause var to increase on each iteration of the | ||||
5951 | // loop. If test-expr is of form var relational-op b and relational-op is | ||||
5952 | // > or >= then incr-expr must cause var to decrease on each iteration of | ||||
5953 | // the loop. | ||||
5954 | // If test-expr is of form b relational-op var and relational-op is < or | ||||
5955 | // <= then incr-expr must cause var to decrease on each iteration of the | ||||
5956 | // loop. If test-expr is of form b relational-op var and relational-op is | ||||
5957 | // > or >= then incr-expr must cause var to increase on each iteration of | ||||
5958 | // the loop. | ||||
5959 | llvm::APSInt Result; | ||||
5960 | bool IsConstant = NewStep->isIntegerConstantExpr(Result, SemaRef.Context); | ||||
5961 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | ||||
5962 | bool IsConstNeg = | ||||
5963 | IsConstant && Result.isSigned() && (Subtract != Result.isNegative()); | ||||
5964 | bool IsConstPos = | ||||
5965 | IsConstant && Result.isSigned() && (Subtract == Result.isNegative()); | ||||
5966 | bool IsConstZero = IsConstant && !Result.getBoolValue(); | ||||
5967 | |||||
5968 | // != with increment is treated as <; != with decrement is treated as > | ||||
5969 | if (!TestIsLessOp.hasValue()) | ||||
5970 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); | ||||
5971 | if (UB && (IsConstZero || | ||||
5972 | (TestIsLessOp.getValue() ? | ||||
5973 | (IsConstNeg || (IsUnsigned && Subtract)) : | ||||
5974 | (IsConstPos || (IsUnsigned && !Subtract))))) { | ||||
5975 | SemaRef.Diag(NewStep->getExprLoc(), | ||||
5976 | diag::err_omp_loop_incr_not_compatible) | ||||
5977 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); | ||||
5978 | SemaRef.Diag(ConditionLoc, | ||||
5979 | diag::note_omp_loop_cond_requres_compatible_incr) | ||||
5980 | << TestIsLessOp.getValue() << ConditionSrcRange; | ||||
5981 | return true; | ||||
5982 | } | ||||
5983 | if (TestIsLessOp.getValue() == Subtract) { | ||||
5984 | NewStep = | ||||
5985 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | ||||
5986 | .get(); | ||||
5987 | Subtract = !Subtract; | ||||
5988 | } | ||||
5989 | } | ||||
5990 | |||||
5991 | Step = NewStep; | ||||
5992 | SubtractStep = Subtract; | ||||
5993 | return false; | ||||
5994 | } | ||||
5995 | |||||
5996 | namespace { | ||||
5997 | /// Checker for the non-rectangular loops. Checks if the initializer or | ||||
5998 | /// condition expression references loop counter variable. | ||||
5999 | class LoopCounterRefChecker final | ||||
6000 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { | ||||
6001 | Sema &SemaRef; | ||||
6002 | DSAStackTy &Stack; | ||||
6003 | const ValueDecl *CurLCDecl = nullptr; | ||||
6004 | const ValueDecl *DepDecl = nullptr; | ||||
6005 | const ValueDecl *PrevDepDecl = nullptr; | ||||
6006 | bool IsInitializer = true; | ||||
6007 | unsigned BaseLoopId = 0; | ||||
6008 | bool checkDecl(const Expr *E, const ValueDecl *VD) { | ||||
6009 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { | ||||
6010 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) | ||||
6011 | << (IsInitializer ? 0 : 1); | ||||
6012 | return false; | ||||
6013 | } | ||||
6014 | const auto &&Data = Stack.isLoopControlVariable(VD); | ||||
6015 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. | ||||
6016 | // The type of the loop iterator on which we depend may not have a random | ||||
6017 | // access iterator type. | ||||
6018 | if (Data.first && VD->getType()->isRecordType()) { | ||||
6019 | SmallString<128> Name; | ||||
6020 | llvm::raw_svector_ostream OS(Name); | ||||
6021 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||
6022 | /*Qualified=*/true); | ||||
6023 | SemaRef.Diag(E->getExprLoc(), | ||||
6024 | diag::err_omp_wrong_dependency_iterator_type) | ||||
6025 | << OS.str(); | ||||
6026 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; | ||||
6027 | return false; | ||||
6028 | } | ||||
6029 | if (Data.first && | ||||
6030 | (DepDecl || (PrevDepDecl && | ||||
6031 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { | ||||
6032 | if (!DepDecl && PrevDepDecl) | ||||
6033 | DepDecl = PrevDepDecl; | ||||
6034 | SmallString<128> Name; | ||||
6035 | llvm::raw_svector_ostream OS(Name); | ||||
6036 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||
6037 | /*Qualified=*/true); | ||||
6038 | SemaRef.Diag(E->getExprLoc(), | ||||
6039 | diag::err_omp_invariant_or_linear_dependency) | ||||
6040 | << OS.str(); | ||||
6041 | return false; | ||||
6042 | } | ||||
6043 | if (Data.first) { | ||||
6044 | DepDecl = VD; | ||||
6045 | BaseLoopId = Data.first; | ||||
6046 | } | ||||
6047 | return Data.first; | ||||
6048 | } | ||||
6049 | |||||
6050 | public: | ||||
6051 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||
6052 | const ValueDecl *VD = E->getDecl(); | ||||
6053 | if (isa<VarDecl>(VD)) | ||||
6054 | return checkDecl(E, VD); | ||||
6055 | return false; | ||||
6056 | } | ||||
6057 | bool VisitMemberExpr(const MemberExpr *E) { | ||||
6058 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | ||||
6059 | const ValueDecl *VD = E->getMemberDecl(); | ||||
6060 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) | ||||
6061 | return checkDecl(E, VD); | ||||
6062 | } | ||||
6063 | return false; | ||||
6064 | } | ||||
6065 | bool VisitStmt(const Stmt *S) { | ||||
6066 | bool Res = false; | ||||
6067 | for (const Stmt *Child : S->children()) | ||||
6068 | Res = (Child && Visit(Child)) || Res; | ||||
6069 | return Res; | ||||
6070 | } | ||||
6071 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, | ||||
6072 | const ValueDecl *CurLCDecl, bool IsInitializer, | ||||
6073 | const ValueDecl *PrevDepDecl = nullptr) | ||||
6074 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), | ||||
6075 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer) {} | ||||
6076 | unsigned getBaseLoopId() const { | ||||
6077 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6077, __PRETTY_FUNCTION__)); | ||||
6078 | return BaseLoopId; | ||||
6079 | } | ||||
6080 | const ValueDecl *getDepDecl() const { | ||||
6081 | assert(CurLCDecl && "Expected loop dependency.")((CurLCDecl && "Expected loop dependency.") ? static_cast <void> (0) : __assert_fail ("CurLCDecl && \"Expected loop dependency.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6081, __PRETTY_FUNCTION__)); | ||||
6082 | return DepDecl; | ||||
6083 | } | ||||
6084 | }; | ||||
6085 | } // namespace | ||||
6086 | |||||
6087 | Optional<unsigned> | ||||
6088 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, | ||||
6089 | bool IsInitializer) { | ||||
6090 | // Check for the non-rectangular loops. | ||||
6091 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, | ||||
6092 | DepDecl); | ||||
6093 | if (LoopStmtChecker.Visit(S)) { | ||||
6094 | DepDecl = LoopStmtChecker.getDepDecl(); | ||||
6095 | return LoopStmtChecker.getBaseLoopId(); | ||||
6096 | } | ||||
6097 | return llvm::None; | ||||
6098 | } | ||||
6099 | |||||
6100 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { | ||||
6101 | // Check init-expr for canonical loop form and save loop counter | ||||
6102 | // variable - #Var and its initialization value - #LB. | ||||
6103 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | ||||
6104 | // var = lb | ||||
6105 | // integer-type var = lb | ||||
6106 | // random-access-iterator-type var = lb | ||||
6107 | // pointer-type var = lb | ||||
6108 | // | ||||
6109 | if (!S) { | ||||
6110 | if (EmitDiags) { | ||||
6111 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | ||||
6112 | } | ||||
6113 | return true; | ||||
6114 | } | ||||
6115 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||
6116 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||
6117 | S = ExprTemp->getSubExpr(); | ||||
6118 | |||||
6119 | InitSrcRange = S->getSourceRange(); | ||||
6120 | if (Expr *E = dyn_cast<Expr>(S)) | ||||
6121 | S = E->IgnoreParens(); | ||||
6122 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
6123 | if (BO->getOpcode() == BO_Assign) { | ||||
6124 | Expr *LHS = BO->getLHS()->IgnoreParens(); | ||||
6125 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||
6126 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||
6127 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
6128 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6129 | EmitDiags); | ||||
6130 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); | ||||
6131 | } | ||||
6132 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||
6133 | if (ME->isArrow() && | ||||
6134 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6135 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6136 | EmitDiags); | ||||
6137 | } | ||||
6138 | } | ||||
6139 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | ||||
6140 | if (DS->isSingleDecl()) { | ||||
6141 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | ||||
6142 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | ||||
6143 | // Accept non-canonical init form here but emit ext. warning. | ||||
6144 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | ||||
6145 | SemaRef.Diag(S->getBeginLoc(), | ||||
6146 | diag::ext_omp_loop_not_canonical_init) | ||||
6147 | << S->getSourceRange(); | ||||
6148 | return setLCDeclAndLB( | ||||
6149 | Var, | ||||
6150 | buildDeclRefExpr(SemaRef, Var, | ||||
6151 | Var->getType().getNonReferenceType(), | ||||
6152 | DS->getBeginLoc()), | ||||
6153 | Var->getInit(), EmitDiags); | ||||
6154 | } | ||||
6155 | } | ||||
6156 | } | ||||
6157 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
6158 | if (CE->getOperator() == OO_Equal) { | ||||
6159 | Expr *LHS = CE->getArg(0); | ||||
6160 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||
6161 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||
6162 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||
6163 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6164 | EmitDiags); | ||||
6165 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); | ||||
6166 | } | ||||
6167 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||
6168 | if (ME->isArrow() && | ||||
6169 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6170 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||
6171 | EmitDiags); | ||||
6172 | } | ||||
6173 | } | ||||
6174 | } | ||||
6175 | |||||
6176 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6177 | return false; | ||||
6178 | if (EmitDiags) { | ||||
6179 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) | ||||
6180 | << S->getSourceRange(); | ||||
6181 | } | ||||
6182 | return true; | ||||
6183 | } | ||||
6184 | |||||
6185 | /// Ignore parenthesizes, implicit casts, copy constructor and return the | ||||
6186 | /// variable (which may be the loop variable) if possible. | ||||
6187 | static const ValueDecl *getInitLCDecl(const Expr *E) { | ||||
6188 | if (!E) | ||||
6189 | return nullptr; | ||||
6190 | E = getExprAsWritten(E); | ||||
6191 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | ||||
6192 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||
6193 | if ((Ctor->isCopyOrMoveConstructor() || | ||||
6194 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||
6195 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||
6196 | E = CE->getArg(0)->IgnoreParenImpCasts(); | ||||
6197 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | ||||
6198 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | ||||
6199 | return getCanonicalDecl(VD); | ||||
6200 | } | ||||
6201 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) | ||||
6202 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||
6203 | return getCanonicalDecl(ME->getMemberDecl()); | ||||
6204 | return nullptr; | ||||
6205 | } | ||||
6206 | |||||
6207 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { | ||||
6208 | // Check test-expr for canonical form, save upper-bound UB, flags for | ||||
6209 | // less/greater and for strict/non-strict comparison. | ||||
6210 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: | ||||
6211 | // var relational-op b | ||||
6212 | // b relational-op var | ||||
6213 | // | ||||
6214 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; | ||||
6215 | if (!S) { | ||||
6216 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) | ||||
6217 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; | ||||
6218 | return true; | ||||
6219 | } | ||||
6220 | Condition = S; | ||||
6221 | S = getExprAsWritten(S); | ||||
6222 | SourceLocation CondLoc = S->getBeginLoc(); | ||||
6223 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
6224 | if (BO->isRelationalOp()) { | ||||
6225 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6226 | return setUB(BO->getRHS(), | ||||
6227 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_LE), | ||||
6228 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | ||||
6229 | BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6230 | if (getInitLCDecl(BO->getRHS()) == LCDecl) | ||||
6231 | return setUB(BO->getLHS(), | ||||
6232 | (BO->getOpcode() == BO_GT || BO->getOpcode() == BO_GE), | ||||
6233 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | ||||
6234 | BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6235 | } else if (IneqCondIsCanonical && BO->getOpcode() == BO_NE) | ||||
6236 | return setUB( | ||||
6237 | getInitLCDecl(BO->getLHS()) == LCDecl ? BO->getRHS() : BO->getLHS(), | ||||
6238 | /*LessOp=*/llvm::None, | ||||
6239 | /*StrictOp=*/true, BO->getSourceRange(), BO->getOperatorLoc()); | ||||
6240 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
6241 | if (CE->getNumArgs() == 2) { | ||||
6242 | auto Op = CE->getOperator(); | ||||
6243 | switch (Op) { | ||||
6244 | case OO_Greater: | ||||
6245 | case OO_GreaterEqual: | ||||
6246 | case OO_Less: | ||||
6247 | case OO_LessEqual: | ||||
6248 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6249 | return setUB(CE->getArg(1), Op == OO_Less || Op == OO_LessEqual, | ||||
6250 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | ||||
6251 | CE->getOperatorLoc()); | ||||
6252 | if (getInitLCDecl(CE->getArg(1)) == LCDecl) | ||||
6253 | return setUB(CE->getArg(0), Op == OO_Greater || Op == OO_GreaterEqual, | ||||
6254 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | ||||
6255 | CE->getOperatorLoc()); | ||||
6256 | break; | ||||
6257 | case OO_ExclaimEqual: | ||||
6258 | if (IneqCondIsCanonical) | ||||
6259 | return setUB(getInitLCDecl(CE->getArg(0)) == LCDecl ? CE->getArg(1) | ||||
6260 | : CE->getArg(0), | ||||
6261 | /*LessOp=*/llvm::None, | ||||
6262 | /*StrictOp=*/true, CE->getSourceRange(), | ||||
6263 | CE->getOperatorLoc()); | ||||
6264 | break; | ||||
6265 | default: | ||||
6266 | break; | ||||
6267 | } | ||||
6268 | } | ||||
6269 | } | ||||
6270 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6271 | return false; | ||||
6272 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | ||||
6273 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; | ||||
6274 | return true; | ||||
6275 | } | ||||
6276 | |||||
6277 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { | ||||
6278 | // RHS of canonical loop form increment can be: | ||||
6279 | // var + incr | ||||
6280 | // incr + var | ||||
6281 | // var - incr | ||||
6282 | // | ||||
6283 | RHS = RHS->IgnoreParenImpCasts(); | ||||
6284 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | ||||
6285 | if (BO->isAdditiveOp()) { | ||||
6286 | bool IsAdd = BO->getOpcode() == BO_Add; | ||||
6287 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6288 | return setStep(BO->getRHS(), !IsAdd); | ||||
6289 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) | ||||
6290 | return setStep(BO->getLHS(), /*Subtract=*/false); | ||||
6291 | } | ||||
6292 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | ||||
6293 | bool IsAdd = CE->getOperator() == OO_Plus; | ||||
6294 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | ||||
6295 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6296 | return setStep(CE->getArg(1), !IsAdd); | ||||
6297 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) | ||||
6298 | return setStep(CE->getArg(0), /*Subtract=*/false); | ||||
6299 | } | ||||
6300 | } | ||||
6301 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6302 | return false; | ||||
6303 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||
6304 | << RHS->getSourceRange() << LCDecl; | ||||
6305 | return true; | ||||
6306 | } | ||||
6307 | |||||
6308 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { | ||||
6309 | // Check incr-expr for canonical loop form and return true if it | ||||
6310 | // does not conform. | ||||
6311 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | ||||
6312 | // ++var | ||||
6313 | // var++ | ||||
6314 | // --var | ||||
6315 | // var-- | ||||
6316 | // var += incr | ||||
6317 | // var -= incr | ||||
6318 | // var = var + incr | ||||
6319 | // var = incr + var | ||||
6320 | // var = var - incr | ||||
6321 | // | ||||
6322 | if (!S) { | ||||
6323 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | ||||
6324 | return true; | ||||
6325 | } | ||||
6326 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||
6327 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||
6328 | S = ExprTemp->getSubExpr(); | ||||
6329 | |||||
6330 | IncrementSrcRange = S->getSourceRange(); | ||||
6331 | S = S->IgnoreParens(); | ||||
6332 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | ||||
6333 | if (UO->isIncrementDecrementOp() && | ||||
6334 | getInitLCDecl(UO->getSubExpr()) == LCDecl) | ||||
6335 | return setStep(SemaRef | ||||
6336 | .ActOnIntegerConstant(UO->getBeginLoc(), | ||||
6337 | (UO->isDecrementOp() ? -1 : 1)) | ||||
6338 | .get(), | ||||
6339 | /*Subtract=*/false); | ||||
6340 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||
6341 | switch (BO->getOpcode()) { | ||||
6342 | case BO_AddAssign: | ||||
6343 | case BO_SubAssign: | ||||
6344 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6345 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | ||||
6346 | break; | ||||
6347 | case BO_Assign: | ||||
6348 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||
6349 | return checkAndSetIncRHS(BO->getRHS()); | ||||
6350 | break; | ||||
6351 | default: | ||||
6352 | break; | ||||
6353 | } | ||||
6354 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||
6355 | switch (CE->getOperator()) { | ||||
6356 | case OO_PlusPlus: | ||||
6357 | case OO_MinusMinus: | ||||
6358 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6359 | return setStep(SemaRef | ||||
6360 | .ActOnIntegerConstant( | ||||
6361 | CE->getBeginLoc(), | ||||
6362 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | ||||
6363 | .get(), | ||||
6364 | /*Subtract=*/false); | ||||
6365 | break; | ||||
6366 | case OO_PlusEqual: | ||||
6367 | case OO_MinusEqual: | ||||
6368 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6369 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | ||||
6370 | break; | ||||
6371 | case OO_Equal: | ||||
6372 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||
6373 | return checkAndSetIncRHS(CE->getArg(1)); | ||||
6374 | break; | ||||
6375 | default: | ||||
6376 | break; | ||||
6377 | } | ||||
6378 | } | ||||
6379 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||
6380 | return false; | ||||
6381 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||
6382 | << S->getSourceRange() << LCDecl; | ||||
6383 | return true; | ||||
6384 | } | ||||
6385 | |||||
6386 | static ExprResult | ||||
6387 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | ||||
6388 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
6389 | if (SemaRef.CurContext->isDependentContext()) | ||||
6390 | return ExprResult(Capture); | ||||
6391 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | ||||
| |||||
6392 | return SemaRef.PerformImplicitConversion( | ||||
6393 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | ||||
6394 | /*AllowExplicit=*/true); | ||||
6395 | auto I = Captures.find(Capture); | ||||
6396 | if (I != Captures.end()) | ||||
6397 | return buildCapture(SemaRef, Capture, I->second); | ||||
6398 | DeclRefExpr *Ref = nullptr; | ||||
6399 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | ||||
6400 | Captures[Capture] = Ref; | ||||
6401 | return Res; | ||||
6402 | } | ||||
6403 | |||||
6404 | /// Build the expression to calculate the number of iterations. | ||||
6405 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( | ||||
6406 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||
6407 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
6408 | ExprResult Diff; | ||||
6409 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
6410 | if (VarType->isIntegerType() || VarType->isPointerType() || | ||||
6411 | SemaRef.getLangOpts().CPlusPlus) { | ||||
6412 | Expr *LBVal = LB; | ||||
6413 | Expr *UBVal = UB; | ||||
6414 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : | ||||
6415 | // max(LB(MinVal), LB(MaxVal)) | ||||
6416 | if (InitDependOnLC) { | ||||
6417 | const LoopIterationSpace &IS = | ||||
6418 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | ||||
6419 | InitDependOnLC.getValueOr( | ||||
6420 | CondDependOnLC.getValueOr(0))]; | ||||
6421 | if (!IS.MinValue || !IS.MaxValue) | ||||
6422 | return nullptr; | ||||
6423 | // OuterVar = Min | ||||
6424 | ExprResult MinValue = | ||||
6425 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||
6426 | if (!MinValue.isUsable()) | ||||
6427 | return nullptr; | ||||
6428 | |||||
6429 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
6430 | IS.CounterVar, MinValue.get()); | ||||
6431 | if (!LBMinVal.isUsable()) | ||||
6432 | return nullptr; | ||||
6433 | // OuterVar = Min, LBVal | ||||
6434 | LBMinVal = | ||||
6435 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); | ||||
6436 | if (!LBMinVal.isUsable()) | ||||
6437 | return nullptr; | ||||
6438 | // (OuterVar = Min, LBVal) | ||||
6439 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); | ||||
6440 | if (!LBMinVal.isUsable()) | ||||
6441 | return nullptr; | ||||
6442 | |||||
6443 | // OuterVar = Max | ||||
6444 | ExprResult MaxValue = | ||||
6445 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||
6446 | if (!MaxValue.isUsable()) | ||||
6447 | return nullptr; | ||||
6448 | |||||
6449 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
6450 | IS.CounterVar, MaxValue.get()); | ||||
6451 | if (!LBMaxVal.isUsable()) | ||||
6452 | return nullptr; | ||||
6453 | // OuterVar = Max, LBVal | ||||
6454 | LBMaxVal = | ||||
6455 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); | ||||
6456 | if (!LBMaxVal.isUsable()) | ||||
6457 | return nullptr; | ||||
6458 | // (OuterVar = Max, LBVal) | ||||
6459 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); | ||||
6460 | if (!LBMaxVal.isUsable()) | ||||
6461 | return nullptr; | ||||
6462 | |||||
6463 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); | ||||
6464 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); | ||||
6465 | if (!LBMin || !LBMax) | ||||
6466 | return nullptr; | ||||
6467 | // LB(MinVal) < LB(MaxVal) | ||||
6468 | ExprResult MinLessMaxRes = | ||||
6469 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); | ||||
6470 | if (!MinLessMaxRes.isUsable()) | ||||
6471 | return nullptr; | ||||
6472 | Expr *MinLessMax = | ||||
6473 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); | ||||
6474 | if (!MinLessMax) | ||||
6475 | return nullptr; | ||||
6476 | if (TestIsLessOp.getValue()) { | ||||
6477 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), | ||||
6478 | // LB(MaxVal)) | ||||
6479 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||
6480 | MinLessMax, LBMin, LBMax); | ||||
6481 | if (!MinLB.isUsable()) | ||||
6482 | return nullptr; | ||||
6483 | LBVal = MinLB.get(); | ||||
6484 | } else { | ||||
6485 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), | ||||
6486 | // LB(MaxVal)) | ||||
6487 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||
6488 | MinLessMax, LBMax, LBMin); | ||||
6489 | if (!MaxLB.isUsable()) | ||||
6490 | return nullptr; | ||||
6491 | LBVal = MaxLB.get(); | ||||
6492 | } | ||||
6493 | } | ||||
6494 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : | ||||
6495 | // min(UB(MinVal), UB(MaxVal)) | ||||
6496 | if (CondDependOnLC) { | ||||
6497 | const LoopIterationSpace &IS = | ||||
6498 | ResultIterSpaces[ResultIterSpaces.size() - 1 - | ||||
6499 | InitDependOnLC.getValueOr( | ||||
6500 | CondDependOnLC.getValueOr(0))]; | ||||
6501 | if (!IS.MinValue || !IS.MaxValue) | ||||
6502 | return nullptr; | ||||
6503 | // OuterVar = Min | ||||
6504 | ExprResult MinValue = | ||||
6505 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||
6506 | if (!MinValue.isUsable()) | ||||
6507 | return nullptr; | ||||
6508 | |||||
6509 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
6510 | IS.CounterVar, MinValue.get()); | ||||
6511 | if (!UBMinVal.isUsable()) | ||||
6512 | return nullptr; | ||||
6513 | // OuterVar = Min, UBVal | ||||
6514 | UBMinVal = | ||||
6515 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); | ||||
6516 | if (!UBMinVal.isUsable()) | ||||
6517 | return nullptr; | ||||
6518 | // (OuterVar = Min, UBVal) | ||||
6519 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); | ||||
6520 | if (!UBMinVal.isUsable()) | ||||
6521 | return nullptr; | ||||
6522 | |||||
6523 | // OuterVar = Max | ||||
6524 | ExprResult MaxValue = | ||||
6525 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||
6526 | if (!MaxValue.isUsable()) | ||||
6527 | return nullptr; | ||||
6528 | |||||
6529 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||
6530 | IS.CounterVar, MaxValue.get()); | ||||
6531 | if (!UBMaxVal.isUsable()) | ||||
6532 | return nullptr; | ||||
6533 | // OuterVar = Max, UBVal | ||||
6534 | UBMaxVal = | ||||
6535 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); | ||||
6536 | if (!UBMaxVal.isUsable()) | ||||
6537 | return nullptr; | ||||
6538 | // (OuterVar = Max, UBVal) | ||||
6539 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); | ||||
6540 | if (!UBMaxVal.isUsable()) | ||||
6541 | return nullptr; | ||||
6542 | |||||
6543 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); | ||||
6544 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); | ||||
6545 | if (!UBMin || !UBMax) | ||||
6546 | return nullptr; | ||||
6547 | // UB(MinVal) > UB(MaxVal) | ||||
6548 | ExprResult MinGreaterMaxRes = | ||||
6549 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); | ||||
6550 | if (!MinGreaterMaxRes.isUsable()) | ||||
6551 | return nullptr; | ||||
6552 | Expr *MinGreaterMax = | ||||
6553 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); | ||||
6554 | if (!MinGreaterMax) | ||||
6555 | return nullptr; | ||||
6556 | if (TestIsLessOp.getValue()) { | ||||
6557 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), | ||||
6558 | // UB(MaxVal)) | ||||
6559 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( | ||||
6560 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); | ||||
6561 | if (!MaxUB.isUsable()) | ||||
6562 | return nullptr; | ||||
6563 | UBVal = MaxUB.get(); | ||||
6564 | } else { | ||||
6565 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), | ||||
6566 | // UB(MaxVal)) | ||||
6567 | ExprResult MinUB = SemaRef.ActOnConditionalOp( | ||||
6568 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); | ||||
6569 | if (!MinUB.isUsable()) | ||||
6570 | return nullptr; | ||||
6571 | UBVal = MinUB.get(); | ||||
6572 | } | ||||
6573 | } | ||||
6574 | // Upper - Lower | ||||
6575 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; | ||||
6576 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; | ||||
6577 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||
6578 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||
6579 | if (!Upper || !Lower) | ||||
6580 | return nullptr; | ||||
6581 | |||||
6582 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | ||||
6583 | |||||
6584 | if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { | ||||
6585 | // BuildBinOp already emitted error, this one is to point user to upper | ||||
6586 | // and lower bound, and to tell what is passed to 'operator-'. | ||||
6587 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | ||||
6588 | << Upper->getSourceRange() << Lower->getSourceRange(); | ||||
6589 | return nullptr; | ||||
6590 | } | ||||
6591 | } | ||||
6592 | |||||
6593 | if (!Diff.isUsable()) | ||||
6594 | return nullptr; | ||||
6595 | |||||
6596 | // Upper - Lower [- 1] | ||||
6597 | if (TestIsStrictOp) | ||||
6598 | Diff = SemaRef.BuildBinOp( | ||||
6599 | S, DefaultLoc, BO_Sub, Diff.get(), | ||||
6600 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
6601 | if (!Diff.isUsable()) | ||||
6602 | return nullptr; | ||||
6603 | |||||
6604 | // Upper - Lower [- 1] + Step | ||||
6605 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||
6606 | if (!NewStep.isUsable()) | ||||
6607 | return nullptr; | ||||
6608 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | ||||
6609 | if (!Diff.isUsable()) | ||||
6610 | return nullptr; | ||||
6611 | |||||
6612 | // Parentheses (for dumping/debugging purposes only). | ||||
6613 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
6614 | if (!Diff.isUsable()) | ||||
6615 | return nullptr; | ||||
6616 | |||||
6617 | // (Upper - Lower [- 1] + Step) / Step | ||||
6618 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | ||||
6619 | if (!Diff.isUsable()) | ||||
6620 | return nullptr; | ||||
6621 | |||||
6622 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | ||||
6623 | QualType Type = Diff.get()->getType(); | ||||
6624 | ASTContext &C = SemaRef.Context; | ||||
6625 | bool UseVarType = VarType->hasIntegerRepresentation() && | ||||
6626 | C.getTypeSize(Type) > C.getTypeSize(VarType); | ||||
6627 | if (!Type->isIntegerType() || UseVarType) { | ||||
6628 | unsigned NewSize = | ||||
6629 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | ||||
6630 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | ||||
6631 | : Type->hasSignedIntegerRepresentation(); | ||||
6632 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | ||||
6633 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | ||||
6634 | Diff = SemaRef.PerformImplicitConversion( | ||||
6635 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | ||||
6636 | if (!Diff.isUsable()) | ||||
6637 | return nullptr; | ||||
6638 | } | ||||
6639 | } | ||||
6640 | if (LimitedType) { | ||||
6641 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | ||||
6642 | if (NewSize != C.getTypeSize(Type)) { | ||||
6643 | if (NewSize < C.getTypeSize(Type)) { | ||||
6644 | assert(NewSize == 64 && "incorrect loop var size")((NewSize == 64 && "incorrect loop var size") ? static_cast <void> (0) : __assert_fail ("NewSize == 64 && \"incorrect loop var size\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6644, __PRETTY_FUNCTION__)); | ||||
6645 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | ||||
6646 | << InitSrcRange << ConditionSrcRange; | ||||
6647 | } | ||||
6648 | QualType NewType = C.getIntTypeForBitwidth( | ||||
6649 | NewSize, Type->hasSignedIntegerRepresentation() || | ||||
6650 | C.getTypeSize(Type) < NewSize); | ||||
6651 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | ||||
6652 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | ||||
6653 | Sema::AA_Converting, true); | ||||
6654 | if (!Diff.isUsable()) | ||||
6655 | return nullptr; | ||||
6656 | } | ||||
6657 | } | ||||
6658 | } | ||||
6659 | |||||
6660 | return Diff.get(); | ||||
6661 | } | ||||
6662 | |||||
6663 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( | ||||
6664 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
6665 | // Do not build for iterators, they cannot be used in non-rectangular loop | ||||
6666 | // nests. | ||||
6667 | if (LCDecl->getType()->isRecordType()) | ||||
6668 | return std::make_pair(nullptr, nullptr); | ||||
6669 | // If we subtract, the min is in the condition, otherwise the min is in the | ||||
6670 | // init value. | ||||
6671 | Expr *MinExpr = nullptr; | ||||
6672 | Expr *MaxExpr = nullptr; | ||||
6673 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; | ||||
6674 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; | ||||
6675 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() | ||||
6676 | : CondDependOnLC.hasValue(); | ||||
6677 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() | ||||
6678 | : InitDependOnLC.hasValue(); | ||||
6679 | Expr *Lower = | ||||
6680 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||
6681 | Expr *Upper = | ||||
6682 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||
6683 | if (!Upper || !Lower) | ||||
6684 | return std::make_pair(nullptr, nullptr); | ||||
6685 | |||||
6686 | if (TestIsLessOp.getValue()) | ||||
6687 | MinExpr = Lower; | ||||
6688 | else | ||||
6689 | MaxExpr = Upper; | ||||
6690 | |||||
6691 | // Build minimum/maximum value based on number of iterations. | ||||
6692 | ExprResult Diff; | ||||
6693 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
6694 | |||||
6695 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | ||||
6696 | if (!Diff.isUsable()) | ||||
6697 | return std::make_pair(nullptr, nullptr); | ||||
6698 | |||||
6699 | // Upper - Lower [- 1] | ||||
6700 | if (TestIsStrictOp) | ||||
6701 | Diff = SemaRef.BuildBinOp( | ||||
6702 | S, DefaultLoc, BO_Sub, Diff.get(), | ||||
6703 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
6704 | if (!Diff.isUsable()) | ||||
6705 | return std::make_pair(nullptr, nullptr); | ||||
6706 | |||||
6707 | // Upper - Lower [- 1] + Step | ||||
6708 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||
6709 | if (!NewStep.isUsable()) | ||||
6710 | return std::make_pair(nullptr, nullptr); | ||||
6711 | |||||
6712 | // Parentheses (for dumping/debugging purposes only). | ||||
6713 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
6714 | if (!Diff.isUsable()) | ||||
6715 | return std::make_pair(nullptr, nullptr); | ||||
6716 | |||||
6717 | // (Upper - Lower [- 1]) / Step | ||||
6718 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | ||||
6719 | if (!Diff.isUsable()) | ||||
6720 | return std::make_pair(nullptr, nullptr); | ||||
6721 | |||||
6722 | // ((Upper - Lower [- 1]) / Step) * Step | ||||
6723 | // Parentheses (for dumping/debugging purposes only). | ||||
6724 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
6725 | if (!Diff.isUsable()) | ||||
6726 | return std::make_pair(nullptr, nullptr); | ||||
6727 | |||||
6728 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); | ||||
6729 | if (!Diff.isUsable()) | ||||
6730 | return std::make_pair(nullptr, nullptr); | ||||
6731 | |||||
6732 | // Convert to the original type or ptrdiff_t, if original type is pointer. | ||||
6733 | if (!VarType->isAnyPointerType() && | ||||
6734 | !SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) { | ||||
6735 | Diff = SemaRef.PerformImplicitConversion( | ||||
6736 | Diff.get(), VarType, Sema::AA_Converting, /*AllowExplicit=*/true); | ||||
6737 | } else if (VarType->isAnyPointerType() && | ||||
6738 | !SemaRef.Context.hasSameType( | ||||
6739 | Diff.get()->getType(), | ||||
6740 | SemaRef.Context.getUnsignedPointerDiffType())) { | ||||
6741 | Diff = SemaRef.PerformImplicitConversion( | ||||
6742 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), | ||||
6743 | Sema::AA_Converting, /*AllowExplicit=*/true); | ||||
6744 | } | ||||
6745 | if (!Diff.isUsable()) | ||||
6746 | return std::make_pair(nullptr, nullptr); | ||||
6747 | |||||
6748 | // Parentheses (for dumping/debugging purposes only). | ||||
6749 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
6750 | if (!Diff.isUsable()) | ||||
6751 | return std::make_pair(nullptr, nullptr); | ||||
6752 | |||||
6753 | if (TestIsLessOp.getValue()) { | ||||
6754 | // MinExpr = Lower; | ||||
6755 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) | ||||
6756 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Lower, Diff.get()); | ||||
6757 | if (!Diff.isUsable()) | ||||
6758 | return std::make_pair(nullptr, nullptr); | ||||
6759 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); | ||||
6760 | if (!Diff.isUsable()) | ||||
6761 | return std::make_pair(nullptr, nullptr); | ||||
6762 | MaxExpr = Diff.get(); | ||||
6763 | } else { | ||||
6764 | // MaxExpr = Upper; | ||||
6765 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) | ||||
6766 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); | ||||
6767 | if (!Diff.isUsable()) | ||||
6768 | return std::make_pair(nullptr, nullptr); | ||||
6769 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue*/ false); | ||||
6770 | if (!Diff.isUsable()) | ||||
6771 | return std::make_pair(nullptr, nullptr); | ||||
6772 | MinExpr = Diff.get(); | ||||
6773 | } | ||||
6774 | |||||
6775 | return std::make_pair(MinExpr, MaxExpr); | ||||
6776 | } | ||||
6777 | |||||
6778 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { | ||||
6779 | if (InitDependOnLC || CondDependOnLC) | ||||
6780 | return Condition; | ||||
6781 | return nullptr; | ||||
6782 | } | ||||
6783 | |||||
6784 | Expr *OpenMPIterationSpaceChecker::buildPreCond( | ||||
6785 | Scope *S, Expr *Cond, | ||||
6786 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||
6787 | // Do not build a precondition when the condition/initialization is dependent | ||||
6788 | // to prevent pessimistic early loop exit. | ||||
6789 | // TODO: this can be improved by calculating min/max values but not sure that | ||||
6790 | // it will be very effective. | ||||
6791 | if (CondDependOnLC || InitDependOnLC) | ||||
6792 | return SemaRef.PerformImplicitConversion( | ||||
6793 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), | ||||
6794 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||
6795 | /*AllowExplicit=*/true).get(); | ||||
6796 | |||||
6797 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | ||||
6798 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||
6799 | |||||
6800 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); | ||||
6801 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); | ||||
6802 | if (!NewLB.isUsable() || !NewUB.isUsable()) | ||||
6803 | return nullptr; | ||||
6804 | |||||
6805 | ExprResult CondExpr = | ||||
6806 | SemaRef.BuildBinOp(S, DefaultLoc, | ||||
6807 | TestIsLessOp.getValue() ? | ||||
6808 | (TestIsStrictOp ? BO_LT : BO_LE) : | ||||
6809 | (TestIsStrictOp ? BO_GT : BO_GE), | ||||
6810 | NewLB.get(), NewUB.get()); | ||||
6811 | if (CondExpr.isUsable()) { | ||||
6812 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | ||||
6813 | SemaRef.Context.BoolTy)) | ||||
6814 | CondExpr = SemaRef.PerformImplicitConversion( | ||||
6815 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||
6816 | /*AllowExplicit=*/true); | ||||
6817 | } | ||||
6818 | |||||
6819 | // Otherwise use original loop condition and evaluate it in runtime. | ||||
6820 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | ||||
6821 | } | ||||
6822 | |||||
6823 | /// Build reference expression to the counter be used for codegen. | ||||
6824 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( | ||||
6825 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||
6826 | DSAStackTy &DSA) const { | ||||
6827 | auto *VD = dyn_cast<VarDecl>(LCDecl); | ||||
6828 | if (!VD) { | ||||
6829 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); | ||||
6830 | DeclRefExpr *Ref = buildDeclRefExpr( | ||||
6831 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | ||||
6832 | const DSAStackTy::DSAVarData Data = | ||||
6833 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); | ||||
6834 | // If the loop control decl is explicitly marked as private, do not mark it | ||||
6835 | // as captured again. | ||||
6836 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | ||||
6837 | Captures.insert(std::make_pair(LCRef, Ref)); | ||||
6838 | return Ref; | ||||
6839 | } | ||||
6840 | return cast<DeclRefExpr>(LCRef); | ||||
6841 | } | ||||
6842 | |||||
6843 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { | ||||
6844 | if (LCDecl && !LCDecl->isInvalidDecl()) { | ||||
6845 | QualType Type = LCDecl->getType().getNonReferenceType(); | ||||
6846 | VarDecl *PrivateVar = buildVarDecl( | ||||
6847 | SemaRef, DefaultLoc, Type, LCDecl->getName(), | ||||
6848 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, | ||||
6849 | isa<VarDecl>(LCDecl) | ||||
6850 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) | ||||
6851 | : nullptr); | ||||
6852 | if (PrivateVar->isInvalidDecl()) | ||||
6853 | return nullptr; | ||||
6854 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | ||||
6855 | } | ||||
6856 | return nullptr; | ||||
6857 | } | ||||
6858 | |||||
6859 | /// Build initialization of the counter to be used for codegen. | ||||
6860 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } | ||||
6861 | |||||
6862 | /// Build step of the counter be used for codegen. | ||||
6863 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } | ||||
6864 | |||||
6865 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( | ||||
6866 | Scope *S, Expr *Counter, | ||||
6867 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, | ||||
6868 | Expr *Inc, OverloadedOperatorKind OOK) { | ||||
6869 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); | ||||
6870 | if (!Cnt) | ||||
6871 | return nullptr; | ||||
6872 | if (Inc) { | ||||
6873 | assert((OOK == OO_Plus || OOK == OO_Minus) &&(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6874, __PRETTY_FUNCTION__)) | ||||
6874 | "Expected only + or - operations for depend clauses.")(((OOK == OO_Plus || OOK == OO_Minus) && "Expected only + or - operations for depend clauses." ) ? static_cast<void> (0) : __assert_fail ("(OOK == OO_Plus || OOK == OO_Minus) && \"Expected only + or - operations for depend clauses.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6874, __PRETTY_FUNCTION__)); | ||||
6875 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; | ||||
6876 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); | ||||
6877 | if (!Cnt) | ||||
6878 | return nullptr; | ||||
6879 | } | ||||
6880 | ExprResult Diff; | ||||
6881 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
6882 | if (VarType->isIntegerType() || VarType->isPointerType() || | ||||
6883 | SemaRef.getLangOpts().CPlusPlus) { | ||||
6884 | // Upper - Lower | ||||
6885 | Expr *Upper = TestIsLessOp.getValue() | ||||
6886 | ? Cnt | ||||
6887 | : tryBuildCapture(SemaRef, UB, Captures).get(); | ||||
6888 | Expr *Lower = TestIsLessOp.getValue() | ||||
6889 | ? tryBuildCapture(SemaRef, LB, Captures).get() | ||||
6890 | : Cnt; | ||||
6891 | if (!Upper || !Lower) | ||||
6892 | return nullptr; | ||||
6893 | |||||
6894 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | ||||
6895 | |||||
6896 | if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { | ||||
6897 | // BuildBinOp already emitted error, this one is to point user to upper | ||||
6898 | // and lower bound, and to tell what is passed to 'operator-'. | ||||
6899 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | ||||
6900 | << Upper->getSourceRange() << Lower->getSourceRange(); | ||||
6901 | return nullptr; | ||||
6902 | } | ||||
6903 | } | ||||
6904 | |||||
6905 | if (!Diff.isUsable()) | ||||
6906 | return nullptr; | ||||
6907 | |||||
6908 | // Parentheses (for dumping/debugging purposes only). | ||||
6909 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||
6910 | if (!Diff.isUsable()) | ||||
6911 | return nullptr; | ||||
6912 | |||||
6913 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||
6914 | if (!NewStep.isUsable()) | ||||
6915 | return nullptr; | ||||
6916 | // (Upper - Lower) / Step | ||||
6917 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | ||||
6918 | if (!Diff.isUsable()) | ||||
6919 | return nullptr; | ||||
6920 | |||||
6921 | return Diff.get(); | ||||
6922 | } | ||||
6923 | } // namespace | ||||
6924 | |||||
6925 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | ||||
6926 | assert(getLangOpts().OpenMP && "OpenMP is not active.")((getLangOpts().OpenMP && "OpenMP is not active.") ? static_cast <void> (0) : __assert_fail ("getLangOpts().OpenMP && \"OpenMP is not active.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6926, __PRETTY_FUNCTION__)); | ||||
6927 | assert(Init && "Expected loop in canonical form.")((Init && "Expected loop in canonical form.") ? static_cast <void> (0) : __assert_fail ("Init && \"Expected loop in canonical form.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 6927, __PRETTY_FUNCTION__)); | ||||
6928 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | ||||
6929 | if (AssociatedLoops > 0 && | ||||
6930 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
6931 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||
6932 | OpenMPIterationSpaceChecker ISC(*this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); | ||||
6933 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { | ||||
6934 | if (ValueDecl *D = ISC.getLoopDecl()) { | ||||
6935 | auto *VD = dyn_cast<VarDecl>(D); | ||||
6936 | DeclRefExpr *PrivateRef = nullptr; | ||||
6937 | if (!VD) { | ||||
6938 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { | ||||
6939 | VD = Private; | ||||
6940 | } else { | ||||
6941 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), | ||||
6942 | /*WithInit=*/false); | ||||
6943 | VD = cast<VarDecl>(PrivateRef->getDecl()); | ||||
6944 | } | ||||
6945 | } | ||||
6946 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | ||||
6947 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); | ||||
6948 | if (LD != D->getCanonicalDecl()) { | ||||
6949 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||
6950 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) | ||||
6951 | MarkDeclarationsReferencedInExpr( | ||||
6952 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), | ||||
6953 | Var->getType().getNonLValueExprType(Context), | ||||
6954 | ForLoc, /*RefersToCapture=*/true)); | ||||
6955 | } | ||||
6956 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
6957 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables | ||||
6958 | // Referenced in a Construct, C/C++]. The loop iteration variable in the | ||||
6959 | // associated for-loop of a simd construct with just one associated | ||||
6960 | // for-loop may be listed in a linear clause with a constant-linear-step | ||||
6961 | // that is the increment of the associated for-loop. The loop iteration | ||||
6962 | // variable(s) in the associated for-loop(s) of a for or parallel for | ||||
6963 | // construct may be listed in a private or lastprivate clause. | ||||
6964 | DSAStackTy::DSAVarData DVar = | ||||
6965 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
6966 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable | ||||
6967 | // is declared in the loop and it is predetermined as a private. | ||||
6968 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); | ||||
6969 | OpenMPClauseKind PredeterminedCKind = | ||||
6970 | isOpenMPSimdDirective(DKind) | ||||
6971 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) | ||||
6972 | : OMPC_private; | ||||
6973 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||
6974 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && | ||||
6975 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && | ||||
6976 | DVar.CKind != OMPC_private))) || | ||||
6977 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | ||||
6978 | DKind == OMPD_master_taskloop || | ||||
6979 | DKind == OMPD_parallel_master_taskloop || | ||||
6980 | isOpenMPDistributeDirective(DKind)) && | ||||
6981 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||
6982 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | ||||
6983 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { | ||||
6984 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) | ||||
6985 | << getOpenMPClauseName(DVar.CKind) | ||||
6986 | << getOpenMPDirectiveName(DKind) | ||||
6987 | << getOpenMPClauseName(PredeterminedCKind); | ||||
6988 | if (DVar.RefExpr == nullptr) | ||||
6989 | DVar.CKind = PredeterminedCKind; | ||||
6990 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, | ||||
6991 | /*IsLoopIterVar=*/true); | ||||
6992 | } else if (LoopDeclRefExpr) { | ||||
6993 | // Make the loop iteration variable private (for worksharing | ||||
6994 | // constructs), linear (for simd directives with the only one | ||||
6995 | // associated loop) or lastprivate (for simd directives with several | ||||
6996 | // collapsed or ordered loops). | ||||
6997 | if (DVar.CKind == OMPC_unknown) | ||||
6998 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, | ||||
6999 | PrivateRef); | ||||
7000 | } | ||||
7001 | } | ||||
7002 | } | ||||
7003 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | ||||
7004 | } | ||||
7005 | } | ||||
7006 | |||||
7007 | /// Called on a for stmt to check and extract its iteration space | ||||
7008 | /// for further processing (such as collapsing). | ||||
7009 | static bool checkOpenMPIterationSpace( | ||||
7010 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | ||||
7011 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | ||||
7012 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, | ||||
7013 | Expr *OrderedLoopCountExpr, | ||||
7014 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||
7015 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, | ||||
7016 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7017 | // OpenMP [2.9.1, Canonical Loop Form] | ||||
7018 | // for (init-expr; test-expr; incr-expr) structured-block | ||||
7019 | // for (range-decl: range-expr) structured-block | ||||
7020 | auto *For = dyn_cast_or_null<ForStmt>(S); | ||||
7021 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); | ||||
7022 | // Ranged for is supported only in OpenMP 5.0. | ||||
7023 | if (!For
| ||||
7024 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) | ||||
7025 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | ||||
7026 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount | ||||
7027 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | ||||
7028 | if (TotalNestedLoopCount > 1) { | ||||
7029 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | ||||
7030 | SemaRef.Diag(DSA.getConstructLoc(), | ||||
7031 | diag::note_omp_collapse_ordered_expr) | ||||
7032 | << 2 << CollapseLoopCountExpr->getSourceRange() | ||||
7033 | << OrderedLoopCountExpr->getSourceRange(); | ||||
7034 | else if (CollapseLoopCountExpr) | ||||
7035 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||
7036 | diag::note_omp_collapse_ordered_expr) | ||||
7037 | << 0 << CollapseLoopCountExpr->getSourceRange(); | ||||
7038 | else | ||||
7039 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||
7040 | diag::note_omp_collapse_ordered_expr) | ||||
7041 | << 1 << OrderedLoopCountExpr->getSourceRange(); | ||||
7042 | } | ||||
7043 | return true; | ||||
7044 | } | ||||
7045 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&((((For && For->getBody()) || (CXXFor && CXXFor ->getBody())) && "No loop body.") ? static_cast< void> (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7046, __PRETTY_FUNCTION__)) | ||||
7046 | "No loop body.")((((For && For->getBody()) || (CXXFor && CXXFor ->getBody())) && "No loop body.") ? static_cast< void> (0) : __assert_fail ("((For && For->getBody()) || (CXXFor && CXXFor->getBody())) && \"No loop body.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7046, __PRETTY_FUNCTION__)); | ||||
7047 | |||||
7048 | OpenMPIterationSpaceChecker ISC(SemaRef, DSA, | ||||
7049 | For
| ||||
7050 | |||||
7051 | // Check init. | ||||
7052 | Stmt *Init = For
| ||||
7053 | if (ISC.checkAndSetInit(Init)) | ||||
7054 | return true; | ||||
7055 | |||||
7056 | bool HasErrors = false; | ||||
7057 | |||||
7058 | // Check loop variable's type. | ||||
7059 | if (ValueDecl *LCDecl
| ||||
7060 | // OpenMP [2.6, Canonical Loop Form] | ||||
7061 | // Var is one of the following: | ||||
7062 | // A variable of signed or unsigned integer type. | ||||
7063 | // For C++, a variable of a random access iterator type. | ||||
7064 | // For C, a variable of a pointer type. | ||||
7065 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||
7066 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | ||||
7067 | !VarType->isPointerType() && | ||||
7068 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | ||||
7069 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) | ||||
7070 | << SemaRef.getLangOpts().CPlusPlus; | ||||
7071 | HasErrors = true; | ||||
7072 | } | ||||
7073 | |||||
7074 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | ||||
7075 | // a Construct | ||||
7076 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | ||||
7077 | // parallel for construct is (are) private. | ||||
7078 | // The loop iteration variable in the associated for-loop of a simd | ||||
7079 | // construct with just one associated for-loop is linear with a | ||||
7080 | // constant-linear-step that is the increment of the associated for-loop. | ||||
7081 | // Exclude loop var from the list of variables with implicitly defined data | ||||
7082 | // sharing attributes. | ||||
7083 | VarsWithImplicitDSA.erase(LCDecl); | ||||
7084 | |||||
7085 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")((isOpenMPLoopDirective(DKind) && "DSA for non-loop vars" ) ? static_cast<void> (0) : __assert_fail ("isOpenMPLoopDirective(DKind) && \"DSA for non-loop vars\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7085, __PRETTY_FUNCTION__)); | ||||
7086 | |||||
7087 | // Check test-expr. | ||||
7088 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); | ||||
7089 | |||||
7090 | // Check incr-expr. | ||||
7091 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); | ||||
7092 | } | ||||
7093 | |||||
7094 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors
| ||||
7095 | return HasErrors; | ||||
7096 | |||||
7097 | // Build the loop's iteration space representation. | ||||
7098 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( | ||||
7099 | DSA.getCurScope(), For
| ||||
7100 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = | ||||
7101 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, | ||||
7102 | (isOpenMPWorksharingDirective(DKind) || | ||||
7103 | isOpenMPTaskLoopDirective(DKind) || | ||||
7104 | isOpenMPDistributeDirective(DKind)), | ||||
7105 | Captures); | ||||
7106 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = | ||||
7107 | ISC.buildCounterVar(Captures, DSA); | ||||
7108 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = | ||||
7109 | ISC.buildPrivateCounterVar(); | ||||
7110 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); | ||||
7111 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); | ||||
7112 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); | ||||
7113 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = | ||||
7114 | ISC.getConditionSrcRange(); | ||||
7115 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = | ||||
7116 | ISC.getIncrementSrcRange(); | ||||
7117 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); | ||||
7118 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = | ||||
7119 | ISC.isStrictTestOp(); | ||||
7120 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, | ||||
7121 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = | ||||
7122 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); | ||||
7123 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = | ||||
7124 | ISC.buildFinalCondition(DSA.getCurScope()); | ||||
7125 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = | ||||
7126 | ISC.doesInitDependOnLC(); | ||||
7127 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = | ||||
7128 | ISC.doesCondDependOnLC(); | ||||
7129 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = | ||||
7130 | ISC.getLoopDependentIdx(); | ||||
7131 | |||||
7132 | HasErrors |= | ||||
7133 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || | ||||
7134 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || | ||||
7135 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || | ||||
7136 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || | ||||
7137 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || | ||||
7138 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); | ||||
7139 | if (!HasErrors && DSA.isOrderedRegion()) { | ||||
7140 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { | ||||
7141 | if (CurrentNestedLoopCount < | ||||
7142 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { | ||||
7143 | DSA.getOrderedRegionParam().second->setLoopNumIterations( | ||||
7144 | CurrentNestedLoopCount, | ||||
7145 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); | ||||
7146 | DSA.getOrderedRegionParam().second->setLoopCounter( | ||||
7147 | CurrentNestedLoopCount, | ||||
7148 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); | ||||
7149 | } | ||||
7150 | } | ||||
7151 | for (auto &Pair : DSA.getDoacrossDependClauses()) { | ||||
7152 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { | ||||
7153 | // Erroneous case - clause has some problems. | ||||
7154 | continue; | ||||
7155 | } | ||||
7156 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && | ||||
7157 | Pair.second.size() <= CurrentNestedLoopCount) { | ||||
7158 | // Erroneous case - clause has some problems. | ||||
7159 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); | ||||
7160 | continue; | ||||
7161 | } | ||||
7162 | Expr *CntValue; | ||||
7163 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | ||||
7164 | CntValue = ISC.buildOrderedLoopData( | ||||
7165 | DSA.getCurScope(), | ||||
7166 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||
7167 | Pair.first->getDependencyLoc()); | ||||
7168 | else | ||||
7169 | CntValue = ISC.buildOrderedLoopData( | ||||
7170 | DSA.getCurScope(), | ||||
7171 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||
7172 | Pair.first->getDependencyLoc(), | ||||
7173 | Pair.second[CurrentNestedLoopCount].first, | ||||
7174 | Pair.second[CurrentNestedLoopCount].second); | ||||
7175 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); | ||||
7176 | } | ||||
7177 | } | ||||
7178 | |||||
7179 | return HasErrors; | ||||
7180 | } | ||||
7181 | |||||
7182 | /// Build 'VarRef = Start. | ||||
7183 | static ExprResult | ||||
7184 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||
7185 | ExprResult Start, bool IsNonRectangularLB, | ||||
7186 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7187 | // Build 'VarRef = Start. | ||||
7188 | ExprResult NewStart = IsNonRectangularLB | ||||
7189 | ? Start.get() | ||||
7190 | : tryBuildCapture(SemaRef, Start.get(), Captures); | ||||
7191 | if (!NewStart.isUsable()) | ||||
7192 | return ExprError(); | ||||
7193 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | ||||
7194 | VarRef.get()->getType())) { | ||||
7195 | NewStart = SemaRef.PerformImplicitConversion( | ||||
7196 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | ||||
7197 | /*AllowExplicit=*/true); | ||||
7198 | if (!NewStart.isUsable()) | ||||
7199 | return ExprError(); | ||||
7200 | } | ||||
7201 | |||||
7202 | ExprResult Init = | ||||
7203 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||
7204 | return Init; | ||||
7205 | } | ||||
7206 | |||||
7207 | /// Build 'VarRef = Start + Iter * Step'. | ||||
7208 | static ExprResult buildCounterUpdate( | ||||
7209 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||
7210 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, | ||||
7211 | bool IsNonRectangularLB, | ||||
7212 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { | ||||
7213 | // Add parentheses (for debugging purposes only). | ||||
7214 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | ||||
7215 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | ||||
7216 | !Step.isUsable()) | ||||
7217 | return ExprError(); | ||||
7218 | |||||
7219 | ExprResult NewStep = Step; | ||||
7220 | if (Captures) | ||||
7221 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | ||||
7222 | if (NewStep.isInvalid()) | ||||
7223 | return ExprError(); | ||||
7224 | ExprResult Update = | ||||
7225 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | ||||
7226 | if (!Update.isUsable()) | ||||
7227 | return ExprError(); | ||||
7228 | |||||
7229 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | ||||
7230 | // 'VarRef = Start (+|-) Iter * Step'. | ||||
7231 | if (!Start.isUsable()) | ||||
7232 | return ExprError(); | ||||
7233 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); | ||||
7234 | if (!NewStart.isUsable()) | ||||
7235 | return ExprError(); | ||||
7236 | if (Captures && !IsNonRectangularLB) | ||||
7237 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | ||||
7238 | if (NewStart.isInvalid()) | ||||
7239 | return ExprError(); | ||||
7240 | |||||
7241 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | ||||
7242 | ExprResult SavedUpdate = Update; | ||||
7243 | ExprResult UpdateVal; | ||||
7244 | if (VarRef.get()->getType()->isOverloadableType() || | ||||
7245 | NewStart.get()->getType()->isOverloadableType() || | ||||
7246 | Update.get()->getType()->isOverloadableType()) { | ||||
7247 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||
7248 | |||||
7249 | Update = | ||||
7250 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||
7251 | if (Update.isUsable()) { | ||||
7252 | UpdateVal = | ||||
7253 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | ||||
7254 | VarRef.get(), SavedUpdate.get()); | ||||
7255 | if (UpdateVal.isUsable()) { | ||||
7256 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | ||||
7257 | UpdateVal.get()); | ||||
7258 | } | ||||
7259 | } | ||||
7260 | } | ||||
7261 | |||||
7262 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | ||||
7263 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | ||||
7264 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | ||||
7265 | NewStart.get(), SavedUpdate.get()); | ||||
7266 | if (!Update.isUsable()) | ||||
7267 | return ExprError(); | ||||
7268 | |||||
7269 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | ||||
7270 | VarRef.get()->getType())) { | ||||
7271 | Update = SemaRef.PerformImplicitConversion( | ||||
7272 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | ||||
7273 | if (!Update.isUsable()) | ||||
7274 | return ExprError(); | ||||
7275 | } | ||||
7276 | |||||
7277 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | ||||
7278 | } | ||||
7279 | return Update; | ||||
7280 | } | ||||
7281 | |||||
7282 | /// Convert integer expression \a E to make it have at least \a Bits | ||||
7283 | /// bits. | ||||
7284 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | ||||
7285 | if (E == nullptr) | ||||
7286 | return ExprError(); | ||||
7287 | ASTContext &C = SemaRef.Context; | ||||
7288 | QualType OldType = E->getType(); | ||||
7289 | unsigned HasBits = C.getTypeSize(OldType); | ||||
7290 | if (HasBits >= Bits) | ||||
7291 | return ExprResult(E); | ||||
7292 | // OK to convert to signed, because new type has more bits than old. | ||||
7293 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | ||||
7294 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | ||||
7295 | true); | ||||
7296 | } | ||||
7297 | |||||
7298 | /// Check if the given expression \a E is a constant integer that fits | ||||
7299 | /// into \a Bits bits. | ||||
7300 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { | ||||
7301 | if (E == nullptr) | ||||
7302 | return false; | ||||
7303 | llvm::APSInt Result; | ||||
7304 | if (E->isIntegerConstantExpr(Result, SemaRef.Context)) | ||||
7305 | return Signed ? Result.isSignedIntN(Bits) : Result.isIntN(Bits); | ||||
7306 | return false; | ||||
7307 | } | ||||
7308 | |||||
7309 | /// Build preinits statement for the given declarations. | ||||
7310 | static Stmt *buildPreInits(ASTContext &Context, | ||||
7311 | MutableArrayRef<Decl *> PreInits) { | ||||
7312 | if (!PreInits.empty()) { | ||||
7313 | return new (Context) DeclStmt( | ||||
7314 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | ||||
7315 | SourceLocation(), SourceLocation()); | ||||
7316 | } | ||||
7317 | return nullptr; | ||||
7318 | } | ||||
7319 | |||||
7320 | /// Build preinits statement for the given declarations. | ||||
7321 | static Stmt * | ||||
7322 | buildPreInits(ASTContext &Context, | ||||
7323 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||
7324 | if (!Captures.empty()) { | ||||
7325 | SmallVector<Decl *, 16> PreInits; | ||||
7326 | for (const auto &Pair : Captures) | ||||
7327 | PreInits.push_back(Pair.second->getDecl()); | ||||
7328 | return buildPreInits(Context, PreInits); | ||||
7329 | } | ||||
7330 | return nullptr; | ||||
7331 | } | ||||
7332 | |||||
7333 | /// Build postupdate expression for the given list of postupdates expressions. | ||||
7334 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | ||||
7335 | Expr *PostUpdate = nullptr; | ||||
7336 | if (!PostUpdates.empty()) { | ||||
7337 | for (Expr *E : PostUpdates) { | ||||
7338 | Expr *ConvE = S.BuildCStyleCastExpr( | ||||
7339 | E->getExprLoc(), | ||||
7340 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | ||||
7341 | E->getExprLoc(), E) | ||||
7342 | .get(); | ||||
7343 | PostUpdate = PostUpdate | ||||
7344 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | ||||
7345 | PostUpdate, ConvE) | ||||
7346 | .get() | ||||
7347 | : ConvE; | ||||
7348 | } | ||||
7349 | } | ||||
7350 | return PostUpdate; | ||||
7351 | } | ||||
7352 | |||||
7353 | /// Called on a for stmt to check itself and nested loops (if any). | ||||
7354 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | ||||
7355 | /// number of collapsed loops otherwise. | ||||
7356 | static unsigned | ||||
7357 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | ||||
7358 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | ||||
7359 | DSAStackTy &DSA, | ||||
7360 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||
7361 | OMPLoopDirective::HelperExprs &Built) { | ||||
7362 | unsigned NestedLoopCount = 1; | ||||
7363 | if (CollapseLoopCountExpr) { | ||||
| |||||
7364 | // Found 'collapse' clause - calculate collapse number. | ||||
7365 | Expr::EvalResult Result; | ||||
7366 | if (!CollapseLoopCountExpr->isValueDependent() && | ||||
7367 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | ||||
7368 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); | ||||
7369 | } else { | ||||
7370 | Built.clear(/*Size=*/1); | ||||
7371 | return 1; | ||||
7372 | } | ||||
7373 | } | ||||
7374 | unsigned OrderedLoopCount = 1; | ||||
7375 | if (OrderedLoopCountExpr) { | ||||
7376 | // Found 'ordered' clause - calculate collapse number. | ||||
7377 | Expr::EvalResult EVResult; | ||||
7378 | if (!OrderedLoopCountExpr->isValueDependent() && | ||||
7379 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, | ||||
7380 | SemaRef.getASTContext())) { | ||||
7381 | llvm::APSInt Result = EVResult.Val.getInt(); | ||||
7382 | if (Result.getLimitedValue() < NestedLoopCount) { | ||||
7383 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||
7384 | diag::err_omp_wrong_ordered_loop_count) | ||||
7385 | << OrderedLoopCountExpr->getSourceRange(); | ||||
7386 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||
7387 | diag::note_collapse_loop_count) | ||||
7388 | << CollapseLoopCountExpr->getSourceRange(); | ||||
7389 | } | ||||
7390 | OrderedLoopCount = Result.getLimitedValue(); | ||||
7391 | } else { | ||||
7392 | Built.clear(/*Size=*/1); | ||||
7393 | return 1; | ||||
7394 | } | ||||
7395 | } | ||||
7396 | // This is helper routine for loop directives (e.g., 'for', 'simd', | ||||
7397 | // 'for simd', etc.). | ||||
7398 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
7399 | SmallVector<LoopIterationSpace, 4> IterSpaces( | ||||
7400 | std::max(OrderedLoopCount, NestedLoopCount)); | ||||
7401 | Stmt *CurStmt = AStmt->IgnoreContainers(/* IgnoreCaptured */ true); | ||||
7402 | for (unsigned Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | ||||
7403 | if (checkOpenMPIterationSpace( | ||||
7404 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | ||||
7405 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | ||||
7406 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | ||||
7407 | return 0; | ||||
7408 | // Move on to the next nested for loop, or to the loop body. | ||||
7409 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
7410 | // All loops associated with the construct must be perfectly nested; that | ||||
7411 | // is, there must be no intervening code nor any OpenMP directive between | ||||
7412 | // any two loops. | ||||
7413 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | ||||
7414 | CurStmt = For->getBody(); | ||||
7415 | } else { | ||||
7416 | assert(isa<CXXForRangeStmt>(CurStmt) &&((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7417, __PRETTY_FUNCTION__)) | ||||
7417 | "Expected canonical for or range-based for loops.")((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7417, __PRETTY_FUNCTION__)); | ||||
7418 | CurStmt = cast<CXXForRangeStmt>(CurStmt)->getBody(); | ||||
7419 | } | ||||
7420 | CurStmt = OMPLoopDirective::tryToFindNextInnerLoop( | ||||
7421 | CurStmt, SemaRef.LangOpts.OpenMP >= 50); | ||||
7422 | } | ||||
7423 | for (unsigned Cnt = NestedLoopCount; Cnt < OrderedLoopCount; ++Cnt) { | ||||
7424 | if (checkOpenMPIterationSpace( | ||||
7425 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | ||||
7426 | std::max(OrderedLoopCount, NestedLoopCount), CollapseLoopCountExpr, | ||||
7427 | OrderedLoopCountExpr, VarsWithImplicitDSA, IterSpaces, Captures)) | ||||
7428 | return 0; | ||||
7429 | if (Cnt > 0 && IterSpaces[Cnt].CounterVar) { | ||||
7430 | // Handle initialization of captured loop iterator variables. | ||||
7431 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); | ||||
7432 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { | ||||
7433 | Captures[DRE] = DRE; | ||||
7434 | } | ||||
7435 | } | ||||
7436 | // Move on to the next nested for loop, or to the loop body. | ||||
7437 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
7438 | // All loops associated with the construct must be perfectly nested; that | ||||
7439 | // is, there must be no intervening code nor any OpenMP directive between | ||||
7440 | // any two loops. | ||||
7441 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | ||||
7442 | CurStmt = For->getBody(); | ||||
7443 | } else { | ||||
7444 | assert(isa<CXXForRangeStmt>(CurStmt) &&((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7445, __PRETTY_FUNCTION__)) | ||||
7445 | "Expected canonical for or range-based for loops.")((isa<CXXForRangeStmt>(CurStmt) && "Expected canonical for or range-based for loops." ) ? static_cast<void> (0) : __assert_fail ("isa<CXXForRangeStmt>(CurStmt) && \"Expected canonical for or range-based for loops.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7445, __PRETTY_FUNCTION__)); | ||||
7446 | CurStmt = cast<CXXForRangeStmt>(CurStmt)->getBody(); | ||||
7447 | } | ||||
7448 | CurStmt = OMPLoopDirective::tryToFindNextInnerLoop( | ||||
7449 | CurStmt, SemaRef.LangOpts.OpenMP >= 50); | ||||
7450 | } | ||||
7451 | |||||
7452 | Built.clear(/* size */ NestedLoopCount); | ||||
7453 | |||||
7454 | if (SemaRef.CurContext->isDependentContext()) | ||||
7455 | return NestedLoopCount; | ||||
7456 | |||||
7457 | // An example of what is generated for the following code: | ||||
7458 | // | ||||
7459 | // #pragma omp simd collapse(2) ordered(2) | ||||
7460 | // for (i = 0; i < NI; ++i) | ||||
7461 | // for (k = 0; k < NK; ++k) | ||||
7462 | // for (j = J0; j < NJ; j+=2) { | ||||
7463 | // <loop body> | ||||
7464 | // } | ||||
7465 | // | ||||
7466 | // We generate the code below. | ||||
7467 | // Note: the loop body may be outlined in CodeGen. | ||||
7468 | // Note: some counters may be C++ classes, operator- is used to find number of | ||||
7469 | // iterations and operator+= to calculate counter value. | ||||
7470 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | ||||
7471 | // or i64 is currently supported). | ||||
7472 | // | ||||
7473 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | ||||
7474 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | ||||
7475 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | ||||
7476 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | ||||
7477 | // // similar updates for vars in clauses (e.g. 'linear') | ||||
7478 | // <loop body (using local i and j)> | ||||
7479 | // } | ||||
7480 | // i = NI; // assign final values of counters | ||||
7481 | // j = NJ; | ||||
7482 | // | ||||
7483 | |||||
7484 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | ||||
7485 | // the iteration counts of the collapsed for loops. | ||||
7486 | // Precondition tests if there is at least one iteration (all conditions are | ||||
7487 | // true). | ||||
7488 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | ||||
7489 | Expr *N0 = IterSpaces[0].NumIterations; | ||||
7490 | ExprResult LastIteration32 = | ||||
7491 | widenIterationCount(/*Bits=*/32, | ||||
7492 | SemaRef | ||||
7493 | .PerformImplicitConversion( | ||||
7494 | N0->IgnoreImpCasts(), N0->getType(), | ||||
7495 | Sema::AA_Converting, /*AllowExplicit=*/true) | ||||
7496 | .get(), | ||||
7497 | SemaRef); | ||||
7498 | ExprResult LastIteration64 = widenIterationCount( | ||||
7499 | /*Bits=*/64, | ||||
7500 | SemaRef | ||||
7501 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), | ||||
7502 | Sema::AA_Converting, | ||||
7503 | /*AllowExplicit=*/true) | ||||
7504 | .get(), | ||||
7505 | SemaRef); | ||||
7506 | |||||
7507 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | ||||
7508 | return NestedLoopCount; | ||||
7509 | |||||
7510 | ASTContext &C = SemaRef.Context; | ||||
7511 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | ||||
7512 | |||||
7513 | Scope *CurScope = DSA.getCurScope(); | ||||
7514 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | ||||
7515 | if (PreCond.isUsable()) { | ||||
7516 | PreCond = | ||||
7517 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | ||||
7518 | PreCond.get(), IterSpaces[Cnt].PreCond); | ||||
7519 | } | ||||
7520 | Expr *N = IterSpaces[Cnt].NumIterations; | ||||
7521 | SourceLocation Loc = N->getExprLoc(); | ||||
7522 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | ||||
7523 | if (LastIteration32.isUsable()) | ||||
7524 | LastIteration32 = SemaRef.BuildBinOp( | ||||
7525 | CurScope, Loc, BO_Mul, LastIteration32.get(), | ||||
7526 | SemaRef | ||||
7527 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||
7528 | Sema::AA_Converting, | ||||
7529 | /*AllowExplicit=*/true) | ||||
7530 | .get()); | ||||
7531 | if (LastIteration64.isUsable()) | ||||
7532 | LastIteration64 = SemaRef.BuildBinOp( | ||||
7533 | CurScope, Loc, BO_Mul, LastIteration64.get(), | ||||
7534 | SemaRef | ||||
7535 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||
7536 | Sema::AA_Converting, | ||||
7537 | /*AllowExplicit=*/true) | ||||
7538 | .get()); | ||||
7539 | } | ||||
7540 | |||||
7541 | // Choose either the 32-bit or 64-bit version. | ||||
7542 | ExprResult LastIteration = LastIteration64; | ||||
7543 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || | ||||
7544 | (LastIteration32.isUsable() && | ||||
7545 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | ||||
7546 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | ||||
7547 | fitsInto( | ||||
7548 | /*Bits=*/32, | ||||
7549 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | ||||
7550 | LastIteration64.get(), SemaRef)))) | ||||
7551 | LastIteration = LastIteration32; | ||||
7552 | QualType VType = LastIteration.get()->getType(); | ||||
7553 | QualType RealVType = VType; | ||||
7554 | QualType StrideVType = VType; | ||||
7555 | if (isOpenMPTaskLoopDirective(DKind)) { | ||||
7556 | VType = | ||||
7557 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||
7558 | StrideVType = | ||||
7559 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||
7560 | } | ||||
7561 | |||||
7562 | if (!LastIteration.isUsable()) | ||||
7563 | return 0; | ||||
7564 | |||||
7565 | // Save the number of iterations. | ||||
7566 | ExprResult NumIterations = LastIteration; | ||||
7567 | { | ||||
7568 | LastIteration = SemaRef.BuildBinOp( | ||||
7569 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | ||||
7570 | LastIteration.get(), | ||||
7571 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
7572 | if (!LastIteration.isUsable()) | ||||
7573 | return 0; | ||||
7574 | } | ||||
7575 | |||||
7576 | // Calculate the last iteration number beforehand instead of doing this on | ||||
7577 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | ||||
7578 | llvm::APSInt Result; | ||||
7579 | bool IsConstant = | ||||
7580 | LastIteration.get()->isIntegerConstantExpr(Result, SemaRef.Context); | ||||
7581 | ExprResult CalcLastIteration; | ||||
7582 | if (!IsConstant) { | ||||
7583 | ExprResult SaveRef = | ||||
7584 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | ||||
7585 | LastIteration = SaveRef; | ||||
7586 | |||||
7587 | // Prepare SaveRef + 1. | ||||
7588 | NumIterations = SemaRef.BuildBinOp( | ||||
7589 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | ||||
7590 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||
7591 | if (!NumIterations.isUsable()) | ||||
7592 | return 0; | ||||
7593 | } | ||||
7594 | |||||
7595 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | ||||
7596 | |||||
7597 | // Build variables passed into runtime, necessary for worksharing directives. | ||||
7598 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | ||||
7599 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||
7600 | isOpenMPDistributeDirective(DKind)) { | ||||
7601 | // Lower bound variable, initialized with zero. | ||||
7602 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | ||||
7603 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | ||||
7604 | SemaRef.AddInitializerToDecl(LBDecl, | ||||
7605 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
7606 | /*DirectInit*/ false); | ||||
7607 | |||||
7608 | // Upper bound variable, initialized with last iteration number. | ||||
7609 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | ||||
7610 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | ||||
7611 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | ||||
7612 | /*DirectInit*/ false); | ||||
7613 | |||||
7614 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | ||||
7615 | // This will be used to implement clause 'lastprivate'. | ||||
7616 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | ||||
7617 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | ||||
7618 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | ||||
7619 | SemaRef.AddInitializerToDecl(ILDecl, | ||||
7620 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
7621 | /*DirectInit*/ false); | ||||
7622 | |||||
7623 | // Stride variable returned by runtime (we initialize it to 1 by default). | ||||
7624 | VarDecl *STDecl = | ||||
7625 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | ||||
7626 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | ||||
7627 | SemaRef.AddInitializerToDecl(STDecl, | ||||
7628 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | ||||
7629 | /*DirectInit*/ false); | ||||
7630 | |||||
7631 | // Build expression: UB = min(UB, LastIteration) | ||||
7632 | // It is necessary for CodeGen of directives with static scheduling. | ||||
7633 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | ||||
7634 | UB.get(), LastIteration.get()); | ||||
7635 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||
7636 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), | ||||
7637 | LastIteration.get(), UB.get()); | ||||
7638 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | ||||
7639 | CondOp.get()); | ||||
7640 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); | ||||
7641 | |||||
7642 | // If we have a combined directive that combines 'distribute', 'for' or | ||||
7643 | // 'simd' we need to be able to access the bounds of the schedule of the | ||||
7644 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | ||||
7645 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | ||||
7646 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7647 | // Lower bound variable, initialized with zero. | ||||
7648 | VarDecl *CombLBDecl = | ||||
7649 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | ||||
7650 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | ||||
7651 | SemaRef.AddInitializerToDecl( | ||||
7652 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||
7653 | /*DirectInit*/ false); | ||||
7654 | |||||
7655 | // Upper bound variable, initialized with last iteration number. | ||||
7656 | VarDecl *CombUBDecl = | ||||
7657 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | ||||
7658 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | ||||
7659 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | ||||
7660 | /*DirectInit*/ false); | ||||
7661 | |||||
7662 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | ||||
7663 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | ||||
7664 | ExprResult CombCondOp = | ||||
7665 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | ||||
7666 | LastIteration.get(), CombUB.get()); | ||||
7667 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | ||||
7668 | CombCondOp.get()); | ||||
7669 | CombEUB = | ||||
7670 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); | ||||
7671 | |||||
7672 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | ||||
7673 | // We expect to have at least 2 more parameters than the 'parallel' | ||||
7674 | // directive does - the lower and upper bounds of the previous schedule. | ||||
7675 | assert(CD->getNumParams() >= 4 &&((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7676, __PRETTY_FUNCTION__)) | ||||
7676 | "Unexpected number of parameters in loop combined directive")((CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? static_cast<void> (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7676, __PRETTY_FUNCTION__)); | ||||
7677 | |||||
7678 | // Set the proper type for the bounds given what we learned from the | ||||
7679 | // enclosed loops. | ||||
7680 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | ||||
7681 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | ||||
7682 | |||||
7683 | // Previous lower and upper bounds are obtained from the region | ||||
7684 | // parameters. | ||||
7685 | PrevLB = | ||||
7686 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | ||||
7687 | PrevUB = | ||||
7688 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | ||||
7689 | } | ||||
7690 | } | ||||
7691 | |||||
7692 | // Build the iteration variable and its initialization before loop. | ||||
7693 | ExprResult IV; | ||||
7694 | ExprResult Init, CombInit; | ||||
7695 | { | ||||
7696 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | ||||
7697 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | ||||
7698 | Expr *RHS = | ||||
7699 | (isOpenMPWorksharingDirective(DKind) || | ||||
7700 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | ||||
7701 | ? LB.get() | ||||
7702 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||
7703 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | ||||
7704 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); | ||||
7705 | |||||
7706 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7707 | Expr *CombRHS = | ||||
7708 | (isOpenMPWorksharingDirective(DKind) || | ||||
7709 | isOpenMPTaskLoopDirective(DKind) || | ||||
7710 | isOpenMPDistributeDirective(DKind)) | ||||
7711 | ? CombLB.get() | ||||
7712 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||
7713 | CombInit = | ||||
7714 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | ||||
7715 | CombInit = | ||||
7716 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); | ||||
7717 | } | ||||
7718 | } | ||||
7719 | |||||
7720 | bool UseStrictCompare = | ||||
7721 | RealVType->hasUnsignedIntegerRepresentation() && | ||||
7722 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { | ||||
7723 | return LIS.IsStrictCompare; | ||||
7724 | }); | ||||
7725 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for | ||||
7726 | // unsigned IV)) for worksharing loops. | ||||
7727 | SourceLocation CondLoc = AStmt->getBeginLoc(); | ||||
7728 | Expr *BoundUB = UB.get(); | ||||
7729 | if (UseStrictCompare) { | ||||
7730 | BoundUB = | ||||
7731 | SemaRef | ||||
7732 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, | ||||
7733 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
7734 | .get(); | ||||
7735 | BoundUB = | ||||
7736 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); | ||||
7737 | } | ||||
7738 | ExprResult Cond = | ||||
7739 | (isOpenMPWorksharingDirective(DKind) || | ||||
7740 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | ||||
7741 | ? SemaRef.BuildBinOp(CurScope, CondLoc, | ||||
7742 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), | ||||
7743 | BoundUB) | ||||
7744 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||
7745 | NumIterations.get()); | ||||
7746 | ExprResult CombDistCond; | ||||
7747 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7748 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||
7749 | NumIterations.get()); | ||||
7750 | } | ||||
7751 | |||||
7752 | ExprResult CombCond; | ||||
7753 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7754 | Expr *BoundCombUB = CombUB.get(); | ||||
7755 | if (UseStrictCompare) { | ||||
7756 | BoundCombUB = | ||||
7757 | SemaRef | ||||
7758 | .BuildBinOp( | ||||
7759 | CurScope, CondLoc, BO_Add, BoundCombUB, | ||||
7760 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
7761 | .get(); | ||||
7762 | BoundCombUB = | ||||
7763 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) | ||||
7764 | .get(); | ||||
7765 | } | ||||
7766 | CombCond = | ||||
7767 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||
7768 | IV.get(), BoundCombUB); | ||||
7769 | } | ||||
7770 | // Loop increment (IV = IV + 1) | ||||
7771 | SourceLocation IncLoc = AStmt->getBeginLoc(); | ||||
7772 | ExprResult Inc = | ||||
7773 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | ||||
7774 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | ||||
7775 | if (!Inc.isUsable()) | ||||
7776 | return 0; | ||||
7777 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | ||||
7778 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); | ||||
7779 | if (!Inc.isUsable()) | ||||
7780 | return 0; | ||||
7781 | |||||
7782 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | ||||
7783 | // Used for directives with static scheduling. | ||||
7784 | // In combined construct, add combined version that use CombLB and CombUB | ||||
7785 | // base variables for the update | ||||
7786 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | ||||
7787 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||
7788 | isOpenMPDistributeDirective(DKind)) { | ||||
7789 | // LB + ST | ||||
7790 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | ||||
7791 | if (!NextLB.isUsable()) | ||||
7792 | return 0; | ||||
7793 | // LB = LB + ST | ||||
7794 | NextLB = | ||||
7795 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | ||||
7796 | NextLB = | ||||
7797 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); | ||||
7798 | if (!NextLB.isUsable()) | ||||
7799 | return 0; | ||||
7800 | // UB + ST | ||||
7801 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | ||||
7802 | if (!NextUB.isUsable()) | ||||
7803 | return 0; | ||||
7804 | // UB = UB + ST | ||||
7805 | NextUB = | ||||
7806 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | ||||
7807 | NextUB = | ||||
7808 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); | ||||
7809 | if (!NextUB.isUsable()) | ||||
7810 | return 0; | ||||
7811 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7812 | CombNextLB = | ||||
7813 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | ||||
7814 | if (!NextLB.isUsable()) | ||||
7815 | return 0; | ||||
7816 | // LB = LB + ST | ||||
7817 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | ||||
7818 | CombNextLB.get()); | ||||
7819 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), | ||||
7820 | /*DiscardedValue*/ false); | ||||
7821 | if (!CombNextLB.isUsable()) | ||||
7822 | return 0; | ||||
7823 | // UB + ST | ||||
7824 | CombNextUB = | ||||
7825 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | ||||
7826 | if (!CombNextUB.isUsable()) | ||||
7827 | return 0; | ||||
7828 | // UB = UB + ST | ||||
7829 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | ||||
7830 | CombNextUB.get()); | ||||
7831 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), | ||||
7832 | /*DiscardedValue*/ false); | ||||
7833 | if (!CombNextUB.isUsable()) | ||||
7834 | return 0; | ||||
7835 | } | ||||
7836 | } | ||||
7837 | |||||
7838 | // Create increment expression for distribute loop when combined in a same | ||||
7839 | // directive with for as IV = IV + ST; ensure upper bound expression based | ||||
7840 | // on PrevUB instead of NumIterations - used to implement 'for' when found | ||||
7841 | // in combination with 'distribute', like in 'distribute parallel for' | ||||
7842 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); | ||||
7843 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; | ||||
7844 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||
7845 | DistCond = SemaRef.BuildBinOp( | ||||
7846 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); | ||||
7847 | assert(DistCond.isUsable() && "distribute cond expr was not built")((DistCond.isUsable() && "distribute cond expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistCond.isUsable() && \"distribute cond expr was not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7847, __PRETTY_FUNCTION__)); | ||||
7848 | |||||
7849 | DistInc = | ||||
7850 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | ||||
7851 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7851, __PRETTY_FUNCTION__)); | ||||
7852 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | ||||
7853 | DistInc.get()); | ||||
7854 | DistInc = | ||||
7855 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); | ||||
7856 | assert(DistInc.isUsable() && "distribute inc expr was not built")((DistInc.isUsable() && "distribute inc expr was not built" ) ? static_cast<void> (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 7856, __PRETTY_FUNCTION__)); | ||||
7857 | |||||
7858 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | ||||
7859 | // construct | ||||
7860 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); | ||||
7861 | ExprResult IsUBGreater = | ||||
7862 | SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, UB.get(), PrevUB.get()); | ||||
7863 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||
7864 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), PrevUB.get(), UB.get()); | ||||
7865 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | ||||
7866 | CondOp.get()); | ||||
7867 | PrevEUB = | ||||
7868 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); | ||||
7869 | |||||
7870 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in | ||||
7871 | // parallel for is in combination with a distribute directive with | ||||
7872 | // schedule(static, 1) | ||||
7873 | Expr *BoundPrevUB = PrevUB.get(); | ||||
7874 | if (UseStrictCompare) { | ||||
7875 | BoundPrevUB = | ||||
7876 | SemaRef | ||||
7877 | .BuildBinOp( | ||||
7878 | CurScope, CondLoc, BO_Add, BoundPrevUB, | ||||
7879 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||
7880 | .get(); | ||||
7881 | BoundPrevUB = | ||||
7882 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) | ||||
7883 | .get(); | ||||
7884 | } | ||||
7885 | ParForInDistCond = | ||||
7886 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||
7887 | IV.get(), BoundPrevUB); | ||||
7888 | } | ||||
7889 | |||||
7890 | // Build updates and final values of the loop counters. | ||||
7891 | bool HasErrors = false; | ||||
7892 | Built.Counters.resize(NestedLoopCount); | ||||
7893 | Built.Inits.resize(NestedLoopCount); | ||||
7894 | Built.Updates.resize(NestedLoopCount); | ||||
7895 | Built.Finals.resize(NestedLoopCount); | ||||
7896 | Built.DependentCounters.resize(NestedLoopCount); | ||||
7897 | Built.DependentInits.resize(NestedLoopCount); | ||||
7898 | Built.FinalsConditions.resize(NestedLoopCount); | ||||
7899 | { | ||||
7900 | // We implement the following algorithm for obtaining the | ||||
7901 | // original loop iteration variable values based on the | ||||
7902 | // value of the collapsed loop iteration variable IV. | ||||
7903 | // | ||||
7904 | // Let n+1 be the number of collapsed loops in the nest. | ||||
7905 | // Iteration variables (I0, I1, .... In) | ||||
7906 | // Iteration counts (N0, N1, ... Nn) | ||||
7907 | // | ||||
7908 | // Acc = IV; | ||||
7909 | // | ||||
7910 | // To compute Ik for loop k, 0 <= k <= n, generate: | ||||
7911 | // Prod = N(k+1) * N(k+2) * ... * Nn; | ||||
7912 | // Ik = Acc / Prod; | ||||
7913 | // Acc -= Ik * Prod; | ||||
7914 | // | ||||
7915 | ExprResult Acc = IV; | ||||
7916 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | ||||
7917 | LoopIterationSpace &IS = IterSpaces[Cnt]; | ||||
7918 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | ||||
7919 | ExprResult Iter; | ||||
7920 | |||||
7921 | // Compute prod | ||||
7922 | ExprResult Prod = | ||||
7923 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||
7924 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) | ||||
7925 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), | ||||
7926 | IterSpaces[K].NumIterations); | ||||
7927 | |||||
7928 | // Iter = Acc / Prod | ||||
7929 | // If there is at least one more inner loop to avoid | ||||
7930 | // multiplication by 1. | ||||
7931 | if (Cnt + 1 < NestedLoopCount) | ||||
7932 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, | ||||
7933 | Acc.get(), Prod.get()); | ||||
7934 | else | ||||
7935 | Iter = Acc; | ||||
7936 | if (!Iter.isUsable()) { | ||||
7937 | HasErrors = true; | ||||
7938 | break; | ||||
7939 | } | ||||
7940 | |||||
7941 | // Update Acc: | ||||
7942 | // Acc -= Iter * Prod | ||||
7943 | // Check if there is at least one more inner loop to avoid | ||||
7944 | // multiplication by 1. | ||||
7945 | if (Cnt + 1 < NestedLoopCount) | ||||
7946 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, | ||||
7947 | Iter.get(), Prod.get()); | ||||
7948 | else | ||||
7949 | Prod = Iter; | ||||
7950 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, | ||||
7951 | Acc.get(), Prod.get()); | ||||
7952 | |||||
7953 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | ||||
7954 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | ||||
7955 | DeclRefExpr *CounterVar = buildDeclRefExpr( | ||||
7956 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), | ||||
7957 | /*RefersToCapture=*/true); | ||||
7958 | ExprResult Init = | ||||
7959 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | ||||
7960 | IS.CounterInit, IS.IsNonRectangularLB, Captures); | ||||
7961 | if (!Init.isUsable()) { | ||||
7962 | HasErrors = true; | ||||
7963 | break; | ||||
7964 | } | ||||
7965 | ExprResult Update = buildCounterUpdate( | ||||
7966 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | ||||
7967 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||
7968 | if (!Update.isUsable()) { | ||||
7969 | HasErrors = true; | ||||
7970 | break; | ||||
7971 | } | ||||
7972 | |||||
7973 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | ||||
7974 | ExprResult Final = | ||||
7975 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, | ||||
7976 | IS.CounterInit, IS.NumIterations, IS.CounterStep, | ||||
7977 | IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||
7978 | if (!Final.isUsable()) { | ||||
7979 | HasErrors = true; | ||||
7980 | break; | ||||
7981 | } | ||||
7982 | |||||
7983 | if (!Update.isUsable() || !Final.isUsable()) { | ||||
7984 | HasErrors = true; | ||||
7985 | break; | ||||
7986 | } | ||||
7987 | // Save results | ||||
7988 | Built.Counters[Cnt] = IS.CounterVar; | ||||
7989 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | ||||
7990 | Built.Inits[Cnt] = Init.get(); | ||||
7991 | Built.Updates[Cnt] = Update.get(); | ||||
7992 | Built.Finals[Cnt] = Final.get(); | ||||
7993 | Built.DependentCounters[Cnt] = nullptr; | ||||
7994 | Built.DependentInits[Cnt] = nullptr; | ||||
7995 | Built.FinalsConditions[Cnt] = nullptr; | ||||
7996 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { | ||||
7997 | Built.DependentCounters[Cnt] = | ||||
7998 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||
7999 | Built.DependentInits[Cnt] = | ||||
8000 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||
8001 | Built.FinalsConditions[Cnt] = IS.FinalCondition; | ||||
8002 | } | ||||
8003 | } | ||||
8004 | } | ||||
8005 | |||||
8006 | if (HasErrors) | ||||
8007 | return 0; | ||||
8008 | |||||
8009 | // Save results | ||||
8010 | Built.IterationVarRef = IV.get(); | ||||
8011 | Built.LastIteration = LastIteration.get(); | ||||
8012 | Built.NumIterations = NumIterations.get(); | ||||
8013 | Built.CalcLastIteration = SemaRef | ||||
8014 | .ActOnFinishFullExpr(CalcLastIteration.get(), | ||||
8015 | /*DiscardedValue=*/false) | ||||
8016 | .get(); | ||||
8017 | Built.PreCond = PreCond.get(); | ||||
8018 | Built.PreInits = buildPreInits(C, Captures); | ||||
8019 | Built.Cond = Cond.get(); | ||||
8020 | Built.Init = Init.get(); | ||||
8021 | Built.Inc = Inc.get(); | ||||
8022 | Built.LB = LB.get(); | ||||
8023 | Built.UB = UB.get(); | ||||
8024 | Built.IL = IL.get(); | ||||
8025 | Built.ST = ST.get(); | ||||
8026 | Built.EUB = EUB.get(); | ||||
8027 | Built.NLB = NextLB.get(); | ||||
8028 | Built.NUB = NextUB.get(); | ||||
8029 | Built.PrevLB = PrevLB.get(); | ||||
8030 | Built.PrevUB = PrevUB.get(); | ||||
8031 | Built.DistInc = DistInc.get(); | ||||
8032 | Built.PrevEUB = PrevEUB.get(); | ||||
8033 | Built.DistCombinedFields.LB = CombLB.get(); | ||||
8034 | Built.DistCombinedFields.UB = CombUB.get(); | ||||
8035 | Built.DistCombinedFields.EUB = CombEUB.get(); | ||||
8036 | Built.DistCombinedFields.Init = CombInit.get(); | ||||
8037 | Built.DistCombinedFields.Cond = CombCond.get(); | ||||
8038 | Built.DistCombinedFields.NLB = CombNextLB.get(); | ||||
8039 | Built.DistCombinedFields.NUB = CombNextUB.get(); | ||||
8040 | Built.DistCombinedFields.DistCond = CombDistCond.get(); | ||||
8041 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); | ||||
8042 | |||||
8043 | return NestedLoopCount; | ||||
8044 | } | ||||
8045 | |||||
8046 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||
8047 | auto CollapseClauses = | ||||
8048 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | ||||
8049 | if (CollapseClauses.begin() != CollapseClauses.end()) | ||||
8050 | return (*CollapseClauses.begin())->getNumForLoops(); | ||||
8051 | return nullptr; | ||||
8052 | } | ||||
8053 | |||||
8054 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||
8055 | auto OrderedClauses = | ||||
8056 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | ||||
8057 | if (OrderedClauses.begin() != OrderedClauses.end()) | ||||
8058 | return (*OrderedClauses.begin())->getNumForLoops(); | ||||
8059 | return nullptr; | ||||
8060 | } | ||||
8061 | |||||
8062 | static bool checkSimdlenSafelenSpecified(Sema &S, | ||||
8063 | const ArrayRef<OMPClause *> Clauses) { | ||||
8064 | const OMPSafelenClause *Safelen = nullptr; | ||||
8065 | const OMPSimdlenClause *Simdlen = nullptr; | ||||
8066 | |||||
8067 | for (const OMPClause *Clause : Clauses) { | ||||
8068 | if (Clause->getClauseKind() == OMPC_safelen) | ||||
8069 | Safelen = cast<OMPSafelenClause>(Clause); | ||||
8070 | else if (Clause->getClauseKind() == OMPC_simdlen) | ||||
8071 | Simdlen = cast<OMPSimdlenClause>(Clause); | ||||
8072 | if (Safelen && Simdlen) | ||||
8073 | break; | ||||
8074 | } | ||||
8075 | |||||
8076 | if (Simdlen && Safelen) { | ||||
8077 | const Expr *SimdlenLength = Simdlen->getSimdlen(); | ||||
8078 | const Expr *SafelenLength = Safelen->getSafelen(); | ||||
8079 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | ||||
8080 | SimdlenLength->isInstantiationDependent() || | ||||
8081 | SimdlenLength->containsUnexpandedParameterPack()) | ||||
8082 | return false; | ||||
8083 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | ||||
8084 | SafelenLength->isInstantiationDependent() || | ||||
8085 | SafelenLength->containsUnexpandedParameterPack()) | ||||
8086 | return false; | ||||
8087 | Expr::EvalResult SimdlenResult, SafelenResult; | ||||
8088 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); | ||||
8089 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); | ||||
8090 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); | ||||
8091 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); | ||||
8092 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | ||||
8093 | // If both simdlen and safelen clauses are specified, the value of the | ||||
8094 | // simdlen parameter must be less than or equal to the value of the safelen | ||||
8095 | // parameter. | ||||
8096 | if (SimdlenRes > SafelenRes) { | ||||
8097 | S.Diag(SimdlenLength->getExprLoc(), | ||||
8098 | diag::err_omp_wrong_simdlen_safelen_values) | ||||
8099 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | ||||
8100 | return true; | ||||
8101 | } | ||||
8102 | } | ||||
8103 | return false; | ||||
8104 | } | ||||
8105 | |||||
8106 | StmtResult | ||||
8107 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||
8108 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||
8109 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8110 | if (!AStmt) | ||||
8111 | return StmtError(); | ||||
8112 | |||||
8113 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8113, __PRETTY_FUNCTION__)); | ||||
8114 | OMPLoopDirective::HelperExprs B; | ||||
8115 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8116 | // define the nested loops number. | ||||
8117 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
8118 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||
8119 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
8120 | if (NestedLoopCount == 0) | ||||
8121 | return StmtError(); | ||||
8122 | |||||
8123 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8124, __PRETTY_FUNCTION__)) | ||||
8124 | "omp simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp simd loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8124, __PRETTY_FUNCTION__)); | ||||
8125 | |||||
8126 | if (!CurContext->isDependentContext()) { | ||||
8127 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8128 | for (OMPClause *C : Clauses) { | ||||
8129 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8130 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8131 | B.NumIterations, *this, CurScope, | ||||
8132 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8133 | return StmtError(); | ||||
8134 | } | ||||
8135 | } | ||||
8136 | |||||
8137 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
8138 | return StmtError(); | ||||
8139 | |||||
8140 | setFunctionHasBranchProtectedScope(); | ||||
8141 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||
8142 | Clauses, AStmt, B); | ||||
8143 | } | ||||
8144 | |||||
8145 | StmtResult | ||||
8146 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||
8147 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||
8148 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8149 | if (!AStmt) | ||||
8150 | return StmtError(); | ||||
8151 | |||||
8152 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8152, __PRETTY_FUNCTION__)); | ||||
8153 | OMPLoopDirective::HelperExprs B; | ||||
8154 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8155 | // define the nested loops number. | ||||
8156 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
8157 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||
8158 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
8159 | if (NestedLoopCount == 0) | ||||
8160 | return StmtError(); | ||||
8161 | |||||
8162 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8163, __PRETTY_FUNCTION__)) | ||||
8163 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8163, __PRETTY_FUNCTION__)); | ||||
8164 | |||||
8165 | if (!CurContext->isDependentContext()) { | ||||
8166 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8167 | for (OMPClause *C : Clauses) { | ||||
8168 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8169 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8170 | B.NumIterations, *this, CurScope, | ||||
8171 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8172 | return StmtError(); | ||||
8173 | } | ||||
8174 | } | ||||
8175 | |||||
8176 | setFunctionHasBranchProtectedScope(); | ||||
8177 | return OMPForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||
8178 | Clauses, AStmt, B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8179 | } | ||||
8180 | |||||
8181 | StmtResult Sema::ActOnOpenMPForSimdDirective( | ||||
8182 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
8183 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8184 | if (!AStmt) | ||||
8185 | return StmtError(); | ||||
8186 | |||||
8187 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8187, __PRETTY_FUNCTION__)); | ||||
8188 | OMPLoopDirective::HelperExprs B; | ||||
8189 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8190 | // define the nested loops number. | ||||
8191 | unsigned NestedLoopCount = | ||||
8192 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | ||||
8193 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
8194 | VarsWithImplicitDSA, B); | ||||
8195 | if (NestedLoopCount == 0) | ||||
8196 | return StmtError(); | ||||
8197 | |||||
8198 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8199, __PRETTY_FUNCTION__)) | ||||
8199 | "omp for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for simd loop exprs were not built") ? static_cast<void > (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8199, __PRETTY_FUNCTION__)); | ||||
8200 | |||||
8201 | if (!CurContext->isDependentContext()) { | ||||
8202 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8203 | for (OMPClause *C : Clauses) { | ||||
8204 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8205 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8206 | B.NumIterations, *this, CurScope, | ||||
8207 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8208 | return StmtError(); | ||||
8209 | } | ||||
8210 | } | ||||
8211 | |||||
8212 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
8213 | return StmtError(); | ||||
8214 | |||||
8215 | setFunctionHasBranchProtectedScope(); | ||||
8216 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||
8217 | Clauses, AStmt, B); | ||||
8218 | } | ||||
8219 | |||||
8220 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||
8221 | Stmt *AStmt, | ||||
8222 | SourceLocation StartLoc, | ||||
8223 | SourceLocation EndLoc) { | ||||
8224 | if (!AStmt) | ||||
8225 | return StmtError(); | ||||
8226 | |||||
8227 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8227, __PRETTY_FUNCTION__)); | ||||
8228 | auto BaseStmt = AStmt; | ||||
8229 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||
8230 | BaseStmt = CS->getCapturedStmt(); | ||||
8231 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||
8232 | auto S = C->children(); | ||||
8233 | if (S.begin() == S.end()) | ||||
8234 | return StmtError(); | ||||
8235 | // All associated statements must be '#pragma omp section' except for | ||||
8236 | // the first one. | ||||
8237 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||
8238 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||
8239 | if (SectionStmt) | ||||
8240 | Diag(SectionStmt->getBeginLoc(), | ||||
8241 | diag::err_omp_sections_substmt_not_section); | ||||
8242 | return StmtError(); | ||||
8243 | } | ||||
8244 | cast<OMPSectionDirective>(SectionStmt) | ||||
8245 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8246 | } | ||||
8247 | } else { | ||||
8248 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); | ||||
8249 | return StmtError(); | ||||
8250 | } | ||||
8251 | |||||
8252 | setFunctionHasBranchProtectedScope(); | ||||
8253 | |||||
8254 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
8255 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8256 | } | ||||
8257 | |||||
8258 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | ||||
8259 | SourceLocation StartLoc, | ||||
8260 | SourceLocation EndLoc) { | ||||
8261 | if (!AStmt) | ||||
8262 | return StmtError(); | ||||
8263 | |||||
8264 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8264, __PRETTY_FUNCTION__)); | ||||
8265 | |||||
8266 | setFunctionHasBranchProtectedScope(); | ||||
8267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8268 | |||||
8269 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | ||||
8270 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8271 | } | ||||
8272 | |||||
8273 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | ||||
8274 | Stmt *AStmt, | ||||
8275 | SourceLocation StartLoc, | ||||
8276 | SourceLocation EndLoc) { | ||||
8277 | if (!AStmt) | ||||
8278 | return StmtError(); | ||||
8279 | |||||
8280 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8280, __PRETTY_FUNCTION__)); | ||||
8281 | |||||
8282 | setFunctionHasBranchProtectedScope(); | ||||
8283 | |||||
8284 | // OpenMP [2.7.3, single Construct, Restrictions] | ||||
8285 | // The copyprivate clause must not be used with the nowait clause. | ||||
8286 | const OMPClause *Nowait = nullptr; | ||||
8287 | const OMPClause *Copyprivate = nullptr; | ||||
8288 | for (const OMPClause *Clause : Clauses) { | ||||
8289 | if (Clause->getClauseKind() == OMPC_nowait) | ||||
8290 | Nowait = Clause; | ||||
8291 | else if (Clause->getClauseKind() == OMPC_copyprivate) | ||||
8292 | Copyprivate = Clause; | ||||
8293 | if (Copyprivate && Nowait) { | ||||
8294 | Diag(Copyprivate->getBeginLoc(), | ||||
8295 | diag::err_omp_single_copyprivate_with_nowait); | ||||
8296 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); | ||||
8297 | return StmtError(); | ||||
8298 | } | ||||
8299 | } | ||||
8300 | |||||
8301 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
8302 | } | ||||
8303 | |||||
8304 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | ||||
8305 | SourceLocation StartLoc, | ||||
8306 | SourceLocation EndLoc) { | ||||
8307 | if (!AStmt) | ||||
8308 | return StmtError(); | ||||
8309 | |||||
8310 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8310, __PRETTY_FUNCTION__)); | ||||
8311 | |||||
8312 | setFunctionHasBranchProtectedScope(); | ||||
8313 | |||||
8314 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | ||||
8315 | } | ||||
8316 | |||||
8317 | StmtResult Sema::ActOnOpenMPCriticalDirective( | ||||
8318 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | ||||
8319 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||
8320 | if (!AStmt) | ||||
8321 | return StmtError(); | ||||
8322 | |||||
8323 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8323, __PRETTY_FUNCTION__)); | ||||
8324 | |||||
8325 | bool ErrorFound = false; | ||||
8326 | llvm::APSInt Hint; | ||||
8327 | SourceLocation HintLoc; | ||||
8328 | bool DependentHint = false; | ||||
8329 | for (const OMPClause *C : Clauses) { | ||||
8330 | if (C->getClauseKind() == OMPC_hint) { | ||||
8331 | if (!DirName.getName()) { | ||||
8332 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); | ||||
8333 | ErrorFound = true; | ||||
8334 | } | ||||
8335 | Expr *E = cast<OMPHintClause>(C)->getHint(); | ||||
8336 | if (E->isTypeDependent() || E->isValueDependent() || | ||||
8337 | E->isInstantiationDependent()) { | ||||
8338 | DependentHint = true; | ||||
8339 | } else { | ||||
8340 | Hint = E->EvaluateKnownConstInt(Context); | ||||
8341 | HintLoc = C->getBeginLoc(); | ||||
8342 | } | ||||
8343 | } | ||||
8344 | } | ||||
8345 | if (ErrorFound) | ||||
8346 | return StmtError(); | ||||
8347 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | ||||
8348 | if (Pair.first && DirName.getName() && !DependentHint) { | ||||
8349 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | ||||
8350 | Diag(StartLoc, diag::err_omp_critical_with_hint); | ||||
8351 | if (HintLoc.isValid()) | ||||
8352 | Diag(HintLoc, diag::note_omp_critical_hint_here) | ||||
8353 | << 0 << Hint.toString(/*Radix=*/10, /*Signed=*/false); | ||||
8354 | else | ||||
8355 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | ||||
8356 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | ||||
8357 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) | ||||
8358 | << 1 | ||||
8359 | << C->getHint()->EvaluateKnownConstInt(Context).toString( | ||||
8360 | /*Radix=*/10, /*Signed=*/false); | ||||
8361 | } else { | ||||
8362 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; | ||||
8363 | } | ||||
8364 | } | ||||
8365 | } | ||||
8366 | |||||
8367 | setFunctionHasBranchProtectedScope(); | ||||
8368 | |||||
8369 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | ||||
8370 | Clauses, AStmt); | ||||
8371 | if (!Pair.first && DirName.getName() && !DependentHint) | ||||
8372 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | ||||
8373 | return Dir; | ||||
8374 | } | ||||
8375 | |||||
8376 | StmtResult Sema::ActOnOpenMPParallelForDirective( | ||||
8377 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
8378 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8379 | if (!AStmt) | ||||
8380 | return StmtError(); | ||||
8381 | |||||
8382 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
8383 | // 1.2.2 OpenMP Language Terminology | ||||
8384 | // Structured block - An executable statement with a single entry at the | ||||
8385 | // top and a single exit at the bottom. | ||||
8386 | // The point of exit cannot be a branch out of the structured block. | ||||
8387 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
8388 | CS->getCapturedDecl()->setNothrow(); | ||||
8389 | |||||
8390 | OMPLoopDirective::HelperExprs B; | ||||
8391 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8392 | // define the nested loops number. | ||||
8393 | unsigned NestedLoopCount = | ||||
8394 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | ||||
8395 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
8396 | VarsWithImplicitDSA, B); | ||||
8397 | if (NestedLoopCount == 0) | ||||
8398 | return StmtError(); | ||||
8399 | |||||
8400 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8401, __PRETTY_FUNCTION__)) | ||||
8401 | "omp parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp parallel for loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8401, __PRETTY_FUNCTION__)); | ||||
8402 | |||||
8403 | if (!CurContext->isDependentContext()) { | ||||
8404 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8405 | for (OMPClause *C : Clauses) { | ||||
8406 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8407 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8408 | B.NumIterations, *this, CurScope, | ||||
8409 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8410 | return StmtError(); | ||||
8411 | } | ||||
8412 | } | ||||
8413 | |||||
8414 | setFunctionHasBranchProtectedScope(); | ||||
8415 | return OMPParallelForDirective::Create(Context, StartLoc, EndLoc, | ||||
8416 | NestedLoopCount, Clauses, AStmt, B, | ||||
8417 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8418 | } | ||||
8419 | |||||
8420 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | ||||
8421 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
8422 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
8423 | if (!AStmt) | ||||
8424 | return StmtError(); | ||||
8425 | |||||
8426 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
8427 | // 1.2.2 OpenMP Language Terminology | ||||
8428 | // Structured block - An executable statement with a single entry at the | ||||
8429 | // top and a single exit at the bottom. | ||||
8430 | // The point of exit cannot be a branch out of the structured block. | ||||
8431 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
8432 | CS->getCapturedDecl()->setNothrow(); | ||||
8433 | |||||
8434 | OMPLoopDirective::HelperExprs B; | ||||
8435 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
8436 | // define the nested loops number. | ||||
8437 | unsigned NestedLoopCount = | ||||
8438 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
8439 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
8440 | VarsWithImplicitDSA, B); | ||||
8441 | if (NestedLoopCount == 0) | ||||
8442 | return StmtError(); | ||||
8443 | |||||
8444 | if (!CurContext->isDependentContext()) { | ||||
8445 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
8446 | for (OMPClause *C : Clauses) { | ||||
8447 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
8448 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
8449 | B.NumIterations, *this, CurScope, | ||||
8450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
8451 | return StmtError(); | ||||
8452 | } | ||||
8453 | } | ||||
8454 | |||||
8455 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
8456 | return StmtError(); | ||||
8457 | |||||
8458 | setFunctionHasBranchProtectedScope(); | ||||
8459 | return OMPParallelForSimdDirective::Create( | ||||
8460 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
8461 | } | ||||
8462 | |||||
8463 | StmtResult | ||||
8464 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, | ||||
8465 | Stmt *AStmt, SourceLocation StartLoc, | ||||
8466 | SourceLocation EndLoc) { | ||||
8467 | if (!AStmt) | ||||
8468 | return StmtError(); | ||||
8469 | |||||
8470 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8470, __PRETTY_FUNCTION__)); | ||||
8471 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
8472 | // 1.2.2 OpenMP Language Terminology | ||||
8473 | // Structured block - An executable statement with a single entry at the | ||||
8474 | // top and a single exit at the bottom. | ||||
8475 | // The point of exit cannot be a branch out of the structured block. | ||||
8476 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
8477 | CS->getCapturedDecl()->setNothrow(); | ||||
8478 | |||||
8479 | setFunctionHasBranchProtectedScope(); | ||||
8480 | |||||
8481 | return OMPParallelMasterDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
8482 | AStmt); | ||||
8483 | } | ||||
8484 | |||||
8485 | StmtResult | ||||
8486 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||
8487 | Stmt *AStmt, SourceLocation StartLoc, | ||||
8488 | SourceLocation EndLoc) { | ||||
8489 | if (!AStmt) | ||||
8490 | return StmtError(); | ||||
8491 | |||||
8492 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8492, __PRETTY_FUNCTION__)); | ||||
8493 | auto BaseStmt = AStmt; | ||||
8494 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||
8495 | BaseStmt = CS->getCapturedStmt(); | ||||
8496 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||
8497 | auto S = C->children(); | ||||
8498 | if (S.begin() == S.end()) | ||||
8499 | return StmtError(); | ||||
8500 | // All associated statements must be '#pragma omp section' except for | ||||
8501 | // the first one. | ||||
8502 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||
8503 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||
8504 | if (SectionStmt) | ||||
8505 | Diag(SectionStmt->getBeginLoc(), | ||||
8506 | diag::err_omp_parallel_sections_substmt_not_section); | ||||
8507 | return StmtError(); | ||||
8508 | } | ||||
8509 | cast<OMPSectionDirective>(SectionStmt) | ||||
8510 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8511 | } | ||||
8512 | } else { | ||||
8513 | Diag(AStmt->getBeginLoc(), | ||||
8514 | diag::err_omp_parallel_sections_not_compound_stmt); | ||||
8515 | return StmtError(); | ||||
8516 | } | ||||
8517 | |||||
8518 | setFunctionHasBranchProtectedScope(); | ||||
8519 | |||||
8520 | return OMPParallelSectionsDirective::Create( | ||||
8521 | Context, StartLoc, EndLoc, Clauses, AStmt, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8522 | } | ||||
8523 | |||||
8524 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | ||||
8525 | Stmt *AStmt, SourceLocation StartLoc, | ||||
8526 | SourceLocation EndLoc) { | ||||
8527 | if (!AStmt) | ||||
8528 | return StmtError(); | ||||
8529 | |||||
8530 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
8531 | // 1.2.2 OpenMP Language Terminology | ||||
8532 | // Structured block - An executable statement with a single entry at the | ||||
8533 | // top and a single exit at the bottom. | ||||
8534 | // The point of exit cannot be a branch out of the structured block. | ||||
8535 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
8536 | CS->getCapturedDecl()->setNothrow(); | ||||
8537 | |||||
8538 | setFunctionHasBranchProtectedScope(); | ||||
8539 | |||||
8540 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
8541 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
8542 | } | ||||
8543 | |||||
8544 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | ||||
8545 | SourceLocation EndLoc) { | ||||
8546 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | ||||
8547 | } | ||||
8548 | |||||
8549 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | ||||
8550 | SourceLocation EndLoc) { | ||||
8551 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | ||||
8552 | } | ||||
8553 | |||||
8554 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | ||||
8555 | SourceLocation EndLoc) { | ||||
8556 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | ||||
8557 | } | ||||
8558 | |||||
8559 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | ||||
8560 | Stmt *AStmt, | ||||
8561 | SourceLocation StartLoc, | ||||
8562 | SourceLocation EndLoc) { | ||||
8563 | if (!AStmt) | ||||
8564 | return StmtError(); | ||||
8565 | |||||
8566 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8566, __PRETTY_FUNCTION__)); | ||||
8567 | |||||
8568 | setFunctionHasBranchProtectedScope(); | ||||
8569 | |||||
8570 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
8571 | AStmt, | ||||
8572 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | ||||
8573 | } | ||||
8574 | |||||
8575 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | ||||
8576 | SourceLocation StartLoc, | ||||
8577 | SourceLocation EndLoc) { | ||||
8578 | OMPFlushClause *FC = nullptr; | ||||
8579 | OMPClause *OrderClause = nullptr; | ||||
8580 | for (OMPClause *C : Clauses) { | ||||
8581 | if (C->getClauseKind() == OMPC_flush) | ||||
8582 | FC = cast<OMPFlushClause>(C); | ||||
8583 | else | ||||
8584 | OrderClause = C; | ||||
8585 | } | ||||
8586 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||
8587 | SourceLocation MemOrderLoc; | ||||
8588 | for (const OMPClause *C : Clauses) { | ||||
8589 | if (C->getClauseKind() == OMPC_acq_rel || | ||||
8590 | C->getClauseKind() == OMPC_acquire || | ||||
8591 | C->getClauseKind() == OMPC_release) { | ||||
8592 | if (MemOrderKind != OMPC_unknown) { | ||||
8593 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||
8594 | << getOpenMPDirectiveName(OMPD_flush) << 1 | ||||
8595 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
8596 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
8597 | << getOpenMPClauseName(MemOrderKind); | ||||
8598 | } else { | ||||
8599 | MemOrderKind = C->getClauseKind(); | ||||
8600 | MemOrderLoc = C->getBeginLoc(); | ||||
8601 | } | ||||
8602 | } | ||||
8603 | } | ||||
8604 | if (FC && OrderClause) { | ||||
8605 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) | ||||
8606 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||
8607 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) | ||||
8608 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||
8609 | return StmtError(); | ||||
8610 | } | ||||
8611 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||
8612 | } | ||||
8613 | |||||
8614 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, | ||||
8615 | SourceLocation StartLoc, | ||||
8616 | SourceLocation EndLoc) { | ||||
8617 | if (Clauses.empty()) { | ||||
8618 | Diag(StartLoc, diag::err_omp_depobj_expected); | ||||
8619 | return StmtError(); | ||||
8620 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { | ||||
8621 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); | ||||
8622 | return StmtError(); | ||||
8623 | } | ||||
8624 | // Only depobj expression and another single clause is allowed. | ||||
8625 | if (Clauses.size() > 2) { | ||||
8626 | Diag(Clauses[2]->getBeginLoc(), | ||||
8627 | diag::err_omp_depobj_single_clause_expected); | ||||
8628 | return StmtError(); | ||||
8629 | } else if (Clauses.size() < 1) { | ||||
8630 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); | ||||
8631 | return StmtError(); | ||||
8632 | } | ||||
8633 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||
8634 | } | ||||
8635 | |||||
8636 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | ||||
8637 | Stmt *AStmt, | ||||
8638 | SourceLocation StartLoc, | ||||
8639 | SourceLocation EndLoc) { | ||||
8640 | const OMPClause *DependFound = nullptr; | ||||
8641 | const OMPClause *DependSourceClause = nullptr; | ||||
8642 | const OMPClause *DependSinkClause = nullptr; | ||||
8643 | bool ErrorFound = false; | ||||
8644 | const OMPThreadsClause *TC = nullptr; | ||||
8645 | const OMPSIMDClause *SC = nullptr; | ||||
8646 | for (const OMPClause *C : Clauses) { | ||||
8647 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | ||||
8648 | DependFound = C; | ||||
8649 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | ||||
8650 | if (DependSourceClause) { | ||||
8651 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||
8652 | << getOpenMPDirectiveName(OMPD_ordered) | ||||
8653 | << getOpenMPClauseName(OMPC_depend) << 2; | ||||
8654 | ErrorFound = true; | ||||
8655 | } else { | ||||
8656 | DependSourceClause = C; | ||||
8657 | } | ||||
8658 | if (DependSinkClause) { | ||||
8659 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||
8660 | << 0; | ||||
8661 | ErrorFound = true; | ||||
8662 | } | ||||
8663 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | ||||
8664 | if (DependSourceClause) { | ||||
8665 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||
8666 | << 1; | ||||
8667 | ErrorFound = true; | ||||
8668 | } | ||||
8669 | DependSinkClause = C; | ||||
8670 | } | ||||
8671 | } else if (C->getClauseKind() == OMPC_threads) { | ||||
8672 | TC = cast<OMPThreadsClause>(C); | ||||
8673 | } else if (C->getClauseKind() == OMPC_simd) { | ||||
8674 | SC = cast<OMPSIMDClause>(C); | ||||
8675 | } | ||||
8676 | } | ||||
8677 | if (!ErrorFound && !SC && | ||||
8678 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | ||||
8679 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||
8680 | // An ordered construct with the simd clause is the only OpenMP construct | ||||
8681 | // that can appear in the simd region. | ||||
8682 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) | ||||
8683 | << (LangOpts.OpenMP >= 50 ? 1 : 0); | ||||
8684 | ErrorFound = true; | ||||
8685 | } else if (DependFound && (TC || SC)) { | ||||
8686 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) | ||||
8687 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | ||||
8688 | ErrorFound = true; | ||||
8689 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
8690 | Diag(DependFound->getBeginLoc(), | ||||
8691 | diag::err_omp_ordered_directive_without_param); | ||||
8692 | ErrorFound = true; | ||||
8693 | } else if (TC || Clauses.empty()) { | ||||
8694 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
8695 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; | ||||
8696 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | ||||
8697 | << (TC != nullptr); | ||||
8698 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; | ||||
8699 | ErrorFound = true; | ||||
8700 | } | ||||
8701 | } | ||||
8702 | if ((!AStmt && !DependFound) || ErrorFound) | ||||
8703 | return StmtError(); | ||||
8704 | |||||
8705 | if (AStmt) { | ||||
8706 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 8706, __PRETTY_FUNCTION__)); | ||||
8707 | |||||
8708 | setFunctionHasBranchProtectedScope(); | ||||
8709 | } | ||||
8710 | |||||
8711 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
8712 | } | ||||
8713 | |||||
8714 | namespace { | ||||
8715 | /// Helper class for checking expression in 'omp atomic [update]' | ||||
8716 | /// construct. | ||||
8717 | class OpenMPAtomicUpdateChecker { | ||||
8718 | /// Error results for atomic update expressions. | ||||
8719 | enum ExprAnalysisErrorCode { | ||||
8720 | /// A statement is not an expression statement. | ||||
8721 | NotAnExpression, | ||||
8722 | /// Expression is not builtin binary or unary operation. | ||||
8723 | NotABinaryOrUnaryExpression, | ||||
8724 | /// Unary operation is not post-/pre- increment/decrement operation. | ||||
8725 | NotAnUnaryIncDecExpression, | ||||
8726 | /// An expression is not of scalar type. | ||||
8727 | NotAScalarType, | ||||
8728 | /// A binary operation is not an assignment operation. | ||||
8729 | NotAnAssignmentOp, | ||||
8730 | /// RHS part of the binary operation is not a binary expression. | ||||
8731 | NotABinaryExpression, | ||||
8732 | /// RHS part is not additive/multiplicative/shift/biwise binary | ||||
8733 | /// expression. | ||||
8734 | NotABinaryOperator, | ||||
8735 | /// RHS binary operation does not have reference to the updated LHS | ||||
8736 | /// part. | ||||
8737 | NotAnUpdateExpression, | ||||
8738 | /// No errors is found. | ||||
8739 | NoError | ||||
8740 | }; | ||||
8741 | /// Reference to Sema. | ||||
8742 | Sema &SemaRef; | ||||
8743 | /// A location for note diagnostics (when error is found). | ||||
8744 | SourceLocation NoteLoc; | ||||
8745 | /// 'x' lvalue part of the source atomic expression. | ||||
8746 | Expr *X; | ||||
8747 | /// 'expr' rvalue part of the source atomic expression. | ||||
8748 | Expr *E; | ||||
8749 | /// Helper expression of the form | ||||
8750 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||
8751 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||
8752 | Expr *UpdateExpr; | ||||
8753 | /// Is 'x' a LHS in a RHS part of full update expression. It is | ||||
8754 | /// important for non-associative operations. | ||||
8755 | bool IsXLHSInRHSPart; | ||||
8756 | BinaryOperatorKind Op; | ||||
8757 | SourceLocation OpLoc; | ||||
8758 | /// true if the source expression is a postfix unary operation, false | ||||
8759 | /// if it is a prefix unary operation. | ||||
8760 | bool IsPostfixUpdate; | ||||
8761 | |||||
8762 | public: | ||||
8763 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | ||||
8764 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | ||||
8765 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | ||||
8766 | /// Check specified statement that it is suitable for 'atomic update' | ||||
8767 | /// constructs and extract 'x', 'expr' and Operation from the original | ||||
8768 | /// expression. If DiagId and NoteId == 0, then only check is performed | ||||
8769 | /// without error notification. | ||||
8770 | /// \param DiagId Diagnostic which should be emitted if error is found. | ||||
8771 | /// \param NoteId Diagnostic note for the main error message. | ||||
8772 | /// \return true if statement is not an update expression, false otherwise. | ||||
8773 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | ||||
8774 | /// Return the 'x' lvalue part of the source atomic expression. | ||||
8775 | Expr *getX() const { return X; } | ||||
8776 | /// Return the 'expr' rvalue part of the source atomic expression. | ||||
8777 | Expr *getExpr() const { return E; } | ||||
8778 | /// Return the update expression used in calculation of the updated | ||||
8779 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||
8780 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||
8781 | Expr *getUpdateExpr() const { return UpdateExpr; } | ||||
8782 | /// Return true if 'x' is LHS in RHS part of full update expression, | ||||
8783 | /// false otherwise. | ||||
8784 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | ||||
8785 | |||||
8786 | /// true if the source expression is a postfix unary operation, false | ||||
8787 | /// if it is a prefix unary operation. | ||||
8788 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | ||||
8789 | |||||
8790 | private: | ||||
8791 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | ||||
8792 | unsigned NoteId = 0); | ||||
8793 | }; | ||||
8794 | } // namespace | ||||
8795 | |||||
8796 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | ||||
8797 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | ||||
8798 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||
8799 | SourceLocation ErrorLoc, NoteLoc; | ||||
8800 | SourceRange ErrorRange, NoteRange; | ||||
8801 | // Allowed constructs are: | ||||
8802 | // x = x binop expr; | ||||
8803 | // x = expr binop x; | ||||
8804 | if (AtomicBinOp->getOpcode() == BO_Assign) { | ||||
8805 | X = AtomicBinOp->getLHS(); | ||||
8806 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | ||||
8807 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | ||||
8808 | if (AtomicInnerBinOp->isMultiplicativeOp() || | ||||
8809 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | ||||
8810 | AtomicInnerBinOp->isBitwiseOp()) { | ||||
8811 | Op = AtomicInnerBinOp->getOpcode(); | ||||
8812 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||
8813 | Expr *LHS = AtomicInnerBinOp->getLHS(); | ||||
8814 | Expr *RHS = AtomicInnerBinOp->getRHS(); | ||||
8815 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | ||||
8816 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | ||||
8817 | /*Canonical=*/true); | ||||
8818 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | ||||
8819 | /*Canonical=*/true); | ||||
8820 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | ||||
8821 | /*Canonical=*/true); | ||||
8822 | if (XId == LHSId) { | ||||
8823 | E = RHS; | ||||
8824 | IsXLHSInRHSPart = true; | ||||
8825 | } else if (XId == RHSId) { | ||||
8826 | E = LHS; | ||||
8827 | IsXLHSInRHSPart = false; | ||||
8828 | } else { | ||||
8829 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||
8830 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||
8831 | NoteLoc = X->getExprLoc(); | ||||
8832 | NoteRange = X->getSourceRange(); | ||||
8833 | ErrorFound = NotAnUpdateExpression; | ||||
8834 | } | ||||
8835 | } else { | ||||
8836 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||
8837 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||
8838 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||
8839 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
8840 | ErrorFound = NotABinaryOperator; | ||||
8841 | } | ||||
8842 | } else { | ||||
8843 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | ||||
8844 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | ||||
8845 | ErrorFound = NotABinaryExpression; | ||||
8846 | } | ||||
8847 | } else { | ||||
8848 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
8849 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
8850 | NoteLoc = AtomicBinOp->getOperatorLoc(); | ||||
8851 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
8852 | ErrorFound = NotAnAssignmentOp; | ||||
8853 | } | ||||
8854 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||
8855 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||
8856 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||
8857 | return true; | ||||
8858 | } | ||||
8859 | if (SemaRef.CurContext->isDependentContext()) | ||||
8860 | E = X = UpdateExpr = nullptr; | ||||
8861 | return ErrorFound != NoError; | ||||
8862 | } | ||||
8863 | |||||
8864 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | ||||
8865 | unsigned NoteId) { | ||||
8866 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||
8867 | SourceLocation ErrorLoc, NoteLoc; | ||||
8868 | SourceRange ErrorRange, NoteRange; | ||||
8869 | // Allowed constructs are: | ||||
8870 | // x++; | ||||
8871 | // x--; | ||||
8872 | // ++x; | ||||
8873 | // --x; | ||||
8874 | // x binop= expr; | ||||
8875 | // x = x binop expr; | ||||
8876 | // x = expr binop x; | ||||
8877 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | ||||
8878 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | ||||
8879 | if (AtomicBody->getType()->isScalarType() || | ||||
8880 | AtomicBody->isInstantiationDependent()) { | ||||
8881 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | ||||
8882 | AtomicBody->IgnoreParenImpCasts())) { | ||||
8883 | // Check for Compound Assignment Operation | ||||
8884 | Op = BinaryOperator::getOpForCompoundAssignment( | ||||
8885 | AtomicCompAssignOp->getOpcode()); | ||||
8886 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | ||||
8887 | E = AtomicCompAssignOp->getRHS(); | ||||
8888 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | ||||
8889 | IsXLHSInRHSPart = true; | ||||
8890 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | ||||
8891 | AtomicBody->IgnoreParenImpCasts())) { | ||||
8892 | // Check for Binary Operation | ||||
8893 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | ||||
8894 | return true; | ||||
8895 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | ||||
8896 | AtomicBody->IgnoreParenImpCasts())) { | ||||
8897 | // Check for Unary Operation | ||||
8898 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | ||||
8899 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | ||||
8900 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | ||||
8901 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | ||||
8902 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | ||||
8903 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | ||||
8904 | IsXLHSInRHSPart = true; | ||||
8905 | } else { | ||||
8906 | ErrorFound = NotAnUnaryIncDecExpression; | ||||
8907 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | ||||
8908 | ErrorRange = AtomicUnaryOp->getSourceRange(); | ||||
8909 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | ||||
8910 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||
8911 | } | ||||
8912 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
8913 | ErrorFound = NotABinaryOrUnaryExpression; | ||||
8914 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | ||||
8915 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | ||||
8916 | } | ||||
8917 | } else { | ||||
8918 | ErrorFound = NotAScalarType; | ||||
8919 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); | ||||
8920 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
8921 | } | ||||
8922 | } else { | ||||
8923 | ErrorFound = NotAnExpression; | ||||
8924 | NoteLoc = ErrorLoc = S->getBeginLoc(); | ||||
8925 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
8926 | } | ||||
8927 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||
8928 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||
8929 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||
8930 | return true; | ||||
8931 | } | ||||
8932 | if (SemaRef.CurContext->isDependentContext()) | ||||
8933 | E = X = UpdateExpr = nullptr; | ||||
8934 | if (ErrorFound == NoError && E && X) { | ||||
8935 | // Build an update expression of form 'OpaqueValueExpr(x) binop | ||||
8936 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | ||||
8937 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | ||||
8938 | auto *OVEX = new (SemaRef.getASTContext()) | ||||
8939 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_RValue); | ||||
8940 | auto *OVEExpr = new (SemaRef.getASTContext()) | ||||
8941 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_RValue); | ||||
8942 | ExprResult Update = | ||||
8943 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | ||||
8944 | IsXLHSInRHSPart ? OVEExpr : OVEX); | ||||
8945 | if (Update.isInvalid()) | ||||
8946 | return true; | ||||
8947 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | ||||
8948 | Sema::AA_Casting); | ||||
8949 | if (Update.isInvalid()) | ||||
8950 | return true; | ||||
8951 | UpdateExpr = Update.get(); | ||||
8952 | } | ||||
8953 | return ErrorFound != NoError; | ||||
8954 | } | ||||
8955 | |||||
8956 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | ||||
8957 | Stmt *AStmt, | ||||
8958 | SourceLocation StartLoc, | ||||
8959 | SourceLocation EndLoc) { | ||||
8960 | // Register location of the first atomic directive. | ||||
8961 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); | ||||
8962 | if (!AStmt) | ||||
8963 | return StmtError(); | ||||
8964 | |||||
8965 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
8966 | // 1.2.2 OpenMP Language Terminology | ||||
8967 | // Structured block - An executable statement with a single entry at the | ||||
8968 | // top and a single exit at the bottom. | ||||
8969 | // The point of exit cannot be a branch out of the structured block. | ||||
8970 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
8971 | OpenMPClauseKind AtomicKind = OMPC_unknown; | ||||
8972 | SourceLocation AtomicKindLoc; | ||||
8973 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||
8974 | SourceLocation MemOrderLoc; | ||||
8975 | for (const OMPClause *C : Clauses) { | ||||
8976 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | ||||
8977 | C->getClauseKind() == OMPC_update || | ||||
8978 | C->getClauseKind() == OMPC_capture) { | ||||
8979 | if (AtomicKind != OMPC_unknown) { | ||||
8980 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) | ||||
8981 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
8982 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) | ||||
8983 | << getOpenMPClauseName(AtomicKind); | ||||
8984 | } else { | ||||
8985 | AtomicKind = C->getClauseKind(); | ||||
8986 | AtomicKindLoc = C->getBeginLoc(); | ||||
8987 | } | ||||
8988 | } | ||||
8989 | if (C->getClauseKind() == OMPC_seq_cst || | ||||
8990 | C->getClauseKind() == OMPC_acq_rel || | ||||
8991 | C->getClauseKind() == OMPC_acquire || | ||||
8992 | C->getClauseKind() == OMPC_release || | ||||
8993 | C->getClauseKind() == OMPC_relaxed) { | ||||
8994 | if (MemOrderKind != OMPC_unknown) { | ||||
8995 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||
8996 | << getOpenMPDirectiveName(OMPD_atomic) << 0 | ||||
8997 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||
8998 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
8999 | << getOpenMPClauseName(MemOrderKind); | ||||
9000 | } else { | ||||
9001 | MemOrderKind = C->getClauseKind(); | ||||
9002 | MemOrderLoc = C->getBeginLoc(); | ||||
9003 | } | ||||
9004 | } | ||||
9005 | } | ||||
9006 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions | ||||
9007 | // If atomic-clause is read then memory-order-clause must not be acq_rel or | ||||
9008 | // release. | ||||
9009 | // If atomic-clause is write then memory-order-clause must not be acq_rel or | ||||
9010 | // acquire. | ||||
9011 | // If atomic-clause is update or not present then memory-order-clause must not | ||||
9012 | // be acq_rel or acquire. | ||||
9013 | if ((AtomicKind == OMPC_read && | ||||
9014 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || | ||||
9015 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || | ||||
9016 | AtomicKind == OMPC_unknown) && | ||||
9017 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { | ||||
9018 | SourceLocation Loc = AtomicKindLoc; | ||||
9019 | if (AtomicKind == OMPC_unknown) | ||||
9020 | Loc = StartLoc; | ||||
9021 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) | ||||
9022 | << getOpenMPClauseName(AtomicKind) | ||||
9023 | << (AtomicKind == OMPC_unknown ? 1 : 0) | ||||
9024 | << getOpenMPClauseName(MemOrderKind); | ||||
9025 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||
9026 | << getOpenMPClauseName(MemOrderKind); | ||||
9027 | } | ||||
9028 | |||||
9029 | Stmt *Body = CS->getCapturedStmt(); | ||||
9030 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | ||||
9031 | Body = EWC->getSubExpr(); | ||||
9032 | |||||
9033 | Expr *X = nullptr; | ||||
9034 | Expr *V = nullptr; | ||||
9035 | Expr *E = nullptr; | ||||
9036 | Expr *UE = nullptr; | ||||
9037 | bool IsXLHSInRHSPart = false; | ||||
9038 | bool IsPostfixUpdate = false; | ||||
9039 | // OpenMP [2.12.6, atomic Construct] | ||||
9040 | // In the next expressions: | ||||
9041 | // * x and v (as applicable) are both l-value expressions with scalar type. | ||||
9042 | // * During the execution of an atomic region, multiple syntactic | ||||
9043 | // occurrences of x must designate the same storage location. | ||||
9044 | // * Neither of v and expr (as applicable) may access the storage location | ||||
9045 | // designated by x. | ||||
9046 | // * Neither of x and expr (as applicable) may access the storage location | ||||
9047 | // designated by v. | ||||
9048 | // * expr is an expression with scalar type. | ||||
9049 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | ||||
9050 | // * binop, binop=, ++, and -- are not overloaded operators. | ||||
9051 | // * The expression x binop expr must be numerically equivalent to x binop | ||||
9052 | // (expr). This requirement is satisfied if the operators in expr have | ||||
9053 | // precedence greater than binop, or by using parentheses around expr or | ||||
9054 | // subexpressions of expr. | ||||
9055 | // * The expression expr binop x must be numerically equivalent to (expr) | ||||
9056 | // binop x. This requirement is satisfied if the operators in expr have | ||||
9057 | // precedence equal to or greater than binop, or by using parentheses around | ||||
9058 | // expr or subexpressions of expr. | ||||
9059 | // * For forms that allow multiple occurrences of x, the number of times | ||||
9060 | // that x is evaluated is unspecified. | ||||
9061 | if (AtomicKind == OMPC_read) { | ||||
9062 | enum { | ||||
9063 | NotAnExpression, | ||||
9064 | NotAnAssignmentOp, | ||||
9065 | NotAScalarType, | ||||
9066 | NotAnLValue, | ||||
9067 | NoError | ||||
9068 | } ErrorFound = NoError; | ||||
9069 | SourceLocation ErrorLoc, NoteLoc; | ||||
9070 | SourceRange ErrorRange, NoteRange; | ||||
9071 | // If clause is read: | ||||
9072 | // v = x; | ||||
9073 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
9074 | const auto *AtomicBinOp = | ||||
9075 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
9076 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9077 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9078 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | ||||
9079 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||
9080 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | ||||
9081 | if (!X->isLValue() || !V->isLValue()) { | ||||
9082 | const Expr *NotLValueExpr = X->isLValue() ? V : X; | ||||
9083 | ErrorFound = NotAnLValue; | ||||
9084 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9085 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9086 | NoteLoc = NotLValueExpr->getExprLoc(); | ||||
9087 | NoteRange = NotLValueExpr->getSourceRange(); | ||||
9088 | } | ||||
9089 | } else if (!X->isInstantiationDependent() || | ||||
9090 | !V->isInstantiationDependent()) { | ||||
9091 | const Expr *NotScalarExpr = | ||||
9092 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||
9093 | ? V | ||||
9094 | : X; | ||||
9095 | ErrorFound = NotAScalarType; | ||||
9096 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9097 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9098 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||
9099 | NoteRange = NotScalarExpr->getSourceRange(); | ||||
9100 | } | ||||
9101 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
9102 | ErrorFound = NotAnAssignmentOp; | ||||
9103 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
9104 | ErrorRange = AtomicBody->getSourceRange(); | ||||
9105 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
9106 | : AtomicBody->getExprLoc(); | ||||
9107 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
9108 | : AtomicBody->getSourceRange(); | ||||
9109 | } | ||||
9110 | } else { | ||||
9111 | ErrorFound = NotAnExpression; | ||||
9112 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
9113 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
9114 | } | ||||
9115 | if (ErrorFound != NoError) { | ||||
9116 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | ||||
9117 | << ErrorRange; | ||||
9118 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||
9119 | << NoteRange; | ||||
9120 | return StmtError(); | ||||
9121 | } | ||||
9122 | if (CurContext->isDependentContext()) | ||||
9123 | V = X = nullptr; | ||||
9124 | } else if (AtomicKind == OMPC_write) { | ||||
9125 | enum { | ||||
9126 | NotAnExpression, | ||||
9127 | NotAnAssignmentOp, | ||||
9128 | NotAScalarType, | ||||
9129 | NotAnLValue, | ||||
9130 | NoError | ||||
9131 | } ErrorFound = NoError; | ||||
9132 | SourceLocation ErrorLoc, NoteLoc; | ||||
9133 | SourceRange ErrorRange, NoteRange; | ||||
9134 | // If clause is write: | ||||
9135 | // x = expr; | ||||
9136 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
9137 | const auto *AtomicBinOp = | ||||
9138 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
9139 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9140 | X = AtomicBinOp->getLHS(); | ||||
9141 | E = AtomicBinOp->getRHS(); | ||||
9142 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||
9143 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | ||||
9144 | if (!X->isLValue()) { | ||||
9145 | ErrorFound = NotAnLValue; | ||||
9146 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9147 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9148 | NoteLoc = X->getExprLoc(); | ||||
9149 | NoteRange = X->getSourceRange(); | ||||
9150 | } | ||||
9151 | } else if (!X->isInstantiationDependent() || | ||||
9152 | !E->isInstantiationDependent()) { | ||||
9153 | const Expr *NotScalarExpr = | ||||
9154 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||
9155 | ? E | ||||
9156 | : X; | ||||
9157 | ErrorFound = NotAScalarType; | ||||
9158 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||
9159 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||
9160 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||
9161 | NoteRange = NotScalarExpr->getSourceRange(); | ||||
9162 | } | ||||
9163 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
9164 | ErrorFound = NotAnAssignmentOp; | ||||
9165 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
9166 | ErrorRange = AtomicBody->getSourceRange(); | ||||
9167 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
9168 | : AtomicBody->getExprLoc(); | ||||
9169 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
9170 | : AtomicBody->getSourceRange(); | ||||
9171 | } | ||||
9172 | } else { | ||||
9173 | ErrorFound = NotAnExpression; | ||||
9174 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
9175 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||
9176 | } | ||||
9177 | if (ErrorFound != NoError) { | ||||
9178 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | ||||
9179 | << ErrorRange; | ||||
9180 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||
9181 | << NoteRange; | ||||
9182 | return StmtError(); | ||||
9183 | } | ||||
9184 | if (CurContext->isDependentContext()) | ||||
9185 | E = X = nullptr; | ||||
9186 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | ||||
9187 | // If clause is update: | ||||
9188 | // x++; | ||||
9189 | // x--; | ||||
9190 | // ++x; | ||||
9191 | // --x; | ||||
9192 | // x binop= expr; | ||||
9193 | // x = x binop expr; | ||||
9194 | // x = expr binop x; | ||||
9195 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
9196 | if (Checker.checkStatement( | ||||
9197 | Body, (AtomicKind == OMPC_update) | ||||
9198 | ? diag::err_omp_atomic_update_not_expression_statement | ||||
9199 | : diag::err_omp_atomic_not_expression_statement, | ||||
9200 | diag::note_omp_atomic_update)) | ||||
9201 | return StmtError(); | ||||
9202 | if (!CurContext->isDependentContext()) { | ||||
9203 | E = Checker.getExpr(); | ||||
9204 | X = Checker.getX(); | ||||
9205 | UE = Checker.getUpdateExpr(); | ||||
9206 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
9207 | } | ||||
9208 | } else if (AtomicKind == OMPC_capture) { | ||||
9209 | enum { | ||||
9210 | NotAnAssignmentOp, | ||||
9211 | NotACompoundStatement, | ||||
9212 | NotTwoSubstatements, | ||||
9213 | NotASpecificExpression, | ||||
9214 | NoError | ||||
9215 | } ErrorFound = NoError; | ||||
9216 | SourceLocation ErrorLoc, NoteLoc; | ||||
9217 | SourceRange ErrorRange, NoteRange; | ||||
9218 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||
9219 | // If clause is a capture: | ||||
9220 | // v = x++; | ||||
9221 | // v = x--; | ||||
9222 | // v = ++x; | ||||
9223 | // v = --x; | ||||
9224 | // v = x binop= expr; | ||||
9225 | // v = x = x binop expr; | ||||
9226 | // v = x = expr binop x; | ||||
9227 | const auto *AtomicBinOp = | ||||
9228 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||
9229 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||
9230 | V = AtomicBinOp->getLHS(); | ||||
9231 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9232 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
9233 | if (Checker.checkStatement( | ||||
9234 | Body, diag::err_omp_atomic_capture_not_expression_statement, | ||||
9235 | diag::note_omp_atomic_update)) | ||||
9236 | return StmtError(); | ||||
9237 | E = Checker.getExpr(); | ||||
9238 | X = Checker.getX(); | ||||
9239 | UE = Checker.getUpdateExpr(); | ||||
9240 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
9241 | IsPostfixUpdate = Checker.isPostfixUpdate(); | ||||
9242 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||
9243 | ErrorLoc = AtomicBody->getExprLoc(); | ||||
9244 | ErrorRange = AtomicBody->getSourceRange(); | ||||
9245 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||
9246 | : AtomicBody->getExprLoc(); | ||||
9247 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||
9248 | : AtomicBody->getSourceRange(); | ||||
9249 | ErrorFound = NotAnAssignmentOp; | ||||
9250 | } | ||||
9251 | if (ErrorFound != NoError) { | ||||
9252 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | ||||
9253 | << ErrorRange; | ||||
9254 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||
9255 | return StmtError(); | ||||
9256 | } | ||||
9257 | if (CurContext->isDependentContext()) | ||||
9258 | UE = V = E = X = nullptr; | ||||
9259 | } else { | ||||
9260 | // If clause is a capture: | ||||
9261 | // { v = x; x = expr; } | ||||
9262 | // { v = x; x++; } | ||||
9263 | // { v = x; x--; } | ||||
9264 | // { v = x; ++x; } | ||||
9265 | // { v = x; --x; } | ||||
9266 | // { v = x; x binop= expr; } | ||||
9267 | // { v = x; x = x binop expr; } | ||||
9268 | // { v = x; x = expr binop x; } | ||||
9269 | // { x++; v = x; } | ||||
9270 | // { x--; v = x; } | ||||
9271 | // { ++x; v = x; } | ||||
9272 | // { --x; v = x; } | ||||
9273 | // { x binop= expr; v = x; } | ||||
9274 | // { x = x binop expr; v = x; } | ||||
9275 | // { x = expr binop x; v = x; } | ||||
9276 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | ||||
9277 | // Check that this is { expr1; expr2; } | ||||
9278 | if (CS->size() == 2) { | ||||
9279 | Stmt *First = CS->body_front(); | ||||
9280 | Stmt *Second = CS->body_back(); | ||||
9281 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | ||||
9282 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||
9283 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | ||||
9284 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||
9285 | // Need to find what subexpression is 'v' and what is 'x'. | ||||
9286 | OpenMPAtomicUpdateChecker Checker(*this); | ||||
9287 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | ||||
9288 | BinaryOperator *BinOp = nullptr; | ||||
9289 | if (IsUpdateExprFound) { | ||||
9290 | BinOp = dyn_cast<BinaryOperator>(First); | ||||
9291 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||
9292 | } | ||||
9293 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||
9294 | // { v = x; x++; } | ||||
9295 | // { v = x; x--; } | ||||
9296 | // { v = x; ++x; } | ||||
9297 | // { v = x; --x; } | ||||
9298 | // { v = x; x binop= expr; } | ||||
9299 | // { v = x; x = x binop expr; } | ||||
9300 | // { v = x; x = expr binop x; } | ||||
9301 | // Check that the first expression has form v = x. | ||||
9302 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9303 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||
9304 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||
9305 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||
9306 | IsUpdateExprFound = XId == PossibleXId; | ||||
9307 | if (IsUpdateExprFound) { | ||||
9308 | V = BinOp->getLHS(); | ||||
9309 | X = Checker.getX(); | ||||
9310 | E = Checker.getExpr(); | ||||
9311 | UE = Checker.getUpdateExpr(); | ||||
9312 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
9313 | IsPostfixUpdate = true; | ||||
9314 | } | ||||
9315 | } | ||||
9316 | if (!IsUpdateExprFound) { | ||||
9317 | IsUpdateExprFound = !Checker.checkStatement(First); | ||||
9318 | BinOp = nullptr; | ||||
9319 | if (IsUpdateExprFound) { | ||||
9320 | BinOp = dyn_cast<BinaryOperator>(Second); | ||||
9321 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||
9322 | } | ||||
9323 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||
9324 | // { x++; v = x; } | ||||
9325 | // { x--; v = x; } | ||||
9326 | // { ++x; v = x; } | ||||
9327 | // { --x; v = x; } | ||||
9328 | // { x binop= expr; v = x; } | ||||
9329 | // { x = x binop expr; v = x; } | ||||
9330 | // { x = expr binop x; v = x; } | ||||
9331 | // Check that the second expression has form v = x. | ||||
9332 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9333 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||
9334 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||
9335 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||
9336 | IsUpdateExprFound = XId == PossibleXId; | ||||
9337 | if (IsUpdateExprFound) { | ||||
9338 | V = BinOp->getLHS(); | ||||
9339 | X = Checker.getX(); | ||||
9340 | E = Checker.getExpr(); | ||||
9341 | UE = Checker.getUpdateExpr(); | ||||
9342 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||
9343 | IsPostfixUpdate = false; | ||||
9344 | } | ||||
9345 | } | ||||
9346 | } | ||||
9347 | if (!IsUpdateExprFound) { | ||||
9348 | // { v = x; x = expr; } | ||||
9349 | auto *FirstExpr = dyn_cast<Expr>(First); | ||||
9350 | auto *SecondExpr = dyn_cast<Expr>(Second); | ||||
9351 | if (!FirstExpr || !SecondExpr || | ||||
9352 | !(FirstExpr->isInstantiationDependent() || | ||||
9353 | SecondExpr->isInstantiationDependent())) { | ||||
9354 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | ||||
9355 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | ||||
9356 | ErrorFound = NotAnAssignmentOp; | ||||
9357 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | ||||
9358 | : First->getBeginLoc(); | ||||
9359 | NoteRange = ErrorRange = FirstBinOp | ||||
9360 | ? FirstBinOp->getSourceRange() | ||||
9361 | : SourceRange(ErrorLoc, ErrorLoc); | ||||
9362 | } else { | ||||
9363 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | ||||
9364 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | ||||
9365 | ErrorFound = NotAnAssignmentOp; | ||||
9366 | NoteLoc = ErrorLoc = SecondBinOp | ||||
9367 | ? SecondBinOp->getOperatorLoc() | ||||
9368 | : Second->getBeginLoc(); | ||||
9369 | NoteRange = ErrorRange = | ||||
9370 | SecondBinOp ? SecondBinOp->getSourceRange() | ||||
9371 | : SourceRange(ErrorLoc, ErrorLoc); | ||||
9372 | } else { | ||||
9373 | Expr *PossibleXRHSInFirst = | ||||
9374 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | ||||
9375 | Expr *PossibleXLHSInSecond = | ||||
9376 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | ||||
9377 | llvm::FoldingSetNodeID X1Id, X2Id; | ||||
9378 | PossibleXRHSInFirst->Profile(X1Id, Context, | ||||
9379 | /*Canonical=*/true); | ||||
9380 | PossibleXLHSInSecond->Profile(X2Id, Context, | ||||
9381 | /*Canonical=*/true); | ||||
9382 | IsUpdateExprFound = X1Id == X2Id; | ||||
9383 | if (IsUpdateExprFound) { | ||||
9384 | V = FirstBinOp->getLHS(); | ||||
9385 | X = SecondBinOp->getLHS(); | ||||
9386 | E = SecondBinOp->getRHS(); | ||||
9387 | UE = nullptr; | ||||
9388 | IsXLHSInRHSPart = false; | ||||
9389 | IsPostfixUpdate = true; | ||||
9390 | } else { | ||||
9391 | ErrorFound = NotASpecificExpression; | ||||
9392 | ErrorLoc = FirstBinOp->getExprLoc(); | ||||
9393 | ErrorRange = FirstBinOp->getSourceRange(); | ||||
9394 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | ||||
9395 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | ||||
9396 | } | ||||
9397 | } | ||||
9398 | } | ||||
9399 | } | ||||
9400 | } | ||||
9401 | } else { | ||||
9402 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
9403 | NoteRange = ErrorRange = | ||||
9404 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||
9405 | ErrorFound = NotTwoSubstatements; | ||||
9406 | } | ||||
9407 | } else { | ||||
9408 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||
9409 | NoteRange = ErrorRange = | ||||
9410 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||
9411 | ErrorFound = NotACompoundStatement; | ||||
9412 | } | ||||
9413 | if (ErrorFound != NoError) { | ||||
9414 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | ||||
9415 | << ErrorRange; | ||||
9416 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||
9417 | return StmtError(); | ||||
9418 | } | ||||
9419 | if (CurContext->isDependentContext()) | ||||
9420 | UE = V = E = X = nullptr; | ||||
9421 | } | ||||
9422 | } | ||||
9423 | |||||
9424 | setFunctionHasBranchProtectedScope(); | ||||
9425 | |||||
9426 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||
9427 | X, V, E, UE, IsXLHSInRHSPart, | ||||
9428 | IsPostfixUpdate); | ||||
9429 | } | ||||
9430 | |||||
9431 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | ||||
9432 | Stmt *AStmt, | ||||
9433 | SourceLocation StartLoc, | ||||
9434 | SourceLocation EndLoc) { | ||||
9435 | if (!AStmt) | ||||
9436 | return StmtError(); | ||||
9437 | |||||
9438 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9439 | // 1.2.2 OpenMP Language Terminology | ||||
9440 | // Structured block - An executable statement with a single entry at the | ||||
9441 | // top and a single exit at the bottom. | ||||
9442 | // The point of exit cannot be a branch out of the structured block. | ||||
9443 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9444 | CS->getCapturedDecl()->setNothrow(); | ||||
9445 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | ||||
9446 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9447 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9448 | // 1.2.2 OpenMP Language Terminology | ||||
9449 | // Structured block - An executable statement with a single entry at the | ||||
9450 | // top and a single exit at the bottom. | ||||
9451 | // The point of exit cannot be a branch out of the structured block. | ||||
9452 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9453 | CS->getCapturedDecl()->setNothrow(); | ||||
9454 | } | ||||
9455 | |||||
9456 | // OpenMP [2.16, Nesting of Regions] | ||||
9457 | // If specified, a teams construct must be contained within a target | ||||
9458 | // construct. That target construct must contain no statements or directives | ||||
9459 | // outside of the teams construct. | ||||
9460 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | ||||
9461 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||
9462 | bool OMPTeamsFound = true; | ||||
9463 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { | ||||
9464 | auto I = CS->body_begin(); | ||||
9465 | while (I != CS->body_end()) { | ||||
9466 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); | ||||
9467 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || | ||||
9468 | OMPTeamsFound) { | ||||
9469 | |||||
9470 | OMPTeamsFound = false; | ||||
9471 | break; | ||||
9472 | } | ||||
9473 | ++I; | ||||
9474 | } | ||||
9475 | assert(I != CS->body_end() && "Not found statement")((I != CS->body_end() && "Not found statement") ? static_cast <void> (0) : __assert_fail ("I != CS->body_end() && \"Not found statement\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9475, __PRETTY_FUNCTION__)); | ||||
9476 | S = *I; | ||||
9477 | } else { | ||||
9478 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); | ||||
9479 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | ||||
9480 | } | ||||
9481 | if (!OMPTeamsFound) { | ||||
9482 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | ||||
9483 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | ||||
9484 | diag::note_omp_nested_teams_construct_here); | ||||
9485 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) | ||||
9486 | << isa<OMPExecutableDirective>(S); | ||||
9487 | return StmtError(); | ||||
9488 | } | ||||
9489 | } | ||||
9490 | |||||
9491 | setFunctionHasBranchProtectedScope(); | ||||
9492 | |||||
9493 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
9494 | } | ||||
9495 | |||||
9496 | StmtResult | ||||
9497 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||
9498 | Stmt *AStmt, SourceLocation StartLoc, | ||||
9499 | SourceLocation EndLoc) { | ||||
9500 | if (!AStmt) | ||||
9501 | return StmtError(); | ||||
9502 | |||||
9503 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9504 | // 1.2.2 OpenMP Language Terminology | ||||
9505 | // Structured block - An executable statement with a single entry at the | ||||
9506 | // top and a single exit at the bottom. | ||||
9507 | // The point of exit cannot be a branch out of the structured block. | ||||
9508 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9509 | CS->getCapturedDecl()->setNothrow(); | ||||
9510 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | ||||
9511 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9512 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9513 | // 1.2.2 OpenMP Language Terminology | ||||
9514 | // Structured block - An executable statement with a single entry at the | ||||
9515 | // top and a single exit at the bottom. | ||||
9516 | // The point of exit cannot be a branch out of the structured block. | ||||
9517 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9518 | CS->getCapturedDecl()->setNothrow(); | ||||
9519 | } | ||||
9520 | |||||
9521 | setFunctionHasBranchProtectedScope(); | ||||
9522 | |||||
9523 | return OMPTargetParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9524 | AStmt); | ||||
9525 | } | ||||
9526 | |||||
9527 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | ||||
9528 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9529 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9530 | if (!AStmt) | ||||
9531 | return StmtError(); | ||||
9532 | |||||
9533 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9534 | // 1.2.2 OpenMP Language Terminology | ||||
9535 | // Structured block - An executable statement with a single entry at the | ||||
9536 | // top and a single exit at the bottom. | ||||
9537 | // The point of exit cannot be a branch out of the structured block. | ||||
9538 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9539 | CS->getCapturedDecl()->setNothrow(); | ||||
9540 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||
9541 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9542 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9543 | // 1.2.2 OpenMP Language Terminology | ||||
9544 | // Structured block - An executable statement with a single entry at the | ||||
9545 | // top and a single exit at the bottom. | ||||
9546 | // The point of exit cannot be a branch out of the structured block. | ||||
9547 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9548 | CS->getCapturedDecl()->setNothrow(); | ||||
9549 | } | ||||
9550 | |||||
9551 | OMPLoopDirective::HelperExprs B; | ||||
9552 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9553 | // define the nested loops number. | ||||
9554 | unsigned NestedLoopCount = | ||||
9555 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | ||||
9556 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9557 | VarsWithImplicitDSA, B); | ||||
9558 | if (NestedLoopCount == 0) | ||||
9559 | return StmtError(); | ||||
9560 | |||||
9561 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9562, __PRETTY_FUNCTION__)) | ||||
9562 | "omp target parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9562, __PRETTY_FUNCTION__)); | ||||
9563 | |||||
9564 | if (!CurContext->isDependentContext()) { | ||||
9565 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
9566 | for (OMPClause *C : Clauses) { | ||||
9567 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
9568 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
9569 | B.NumIterations, *this, CurScope, | ||||
9570 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
9571 | return StmtError(); | ||||
9572 | } | ||||
9573 | } | ||||
9574 | |||||
9575 | setFunctionHasBranchProtectedScope(); | ||||
9576 | return OMPTargetParallelForDirective::Create(Context, StartLoc, EndLoc, | ||||
9577 | NestedLoopCount, Clauses, AStmt, | ||||
9578 | B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9579 | } | ||||
9580 | |||||
9581 | /// Check for existence of a map clause in the list of clauses. | ||||
9582 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | ||||
9583 | const OpenMPClauseKind K) { | ||||
9584 | return llvm::any_of( | ||||
9585 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | ||||
9586 | } | ||||
9587 | |||||
9588 | template <typename... Params> | ||||
9589 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | ||||
9590 | const Params... ClauseTypes) { | ||||
9591 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | ||||
9592 | } | ||||
9593 | |||||
9594 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
9595 | Stmt *AStmt, | ||||
9596 | SourceLocation StartLoc, | ||||
9597 | SourceLocation EndLoc) { | ||||
9598 | if (!AStmt) | ||||
9599 | return StmtError(); | ||||
9600 | |||||
9601 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9601, __PRETTY_FUNCTION__)); | ||||
9602 | |||||
9603 | // OpenMP [2.10.1, Restrictions, p. 97] | ||||
9604 | // At least one map clause must appear on the directive. | ||||
9605 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr)) { | ||||
9606 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
9607 | << "'map' or 'use_device_ptr'" | ||||
9608 | << getOpenMPDirectiveName(OMPD_target_data); | ||||
9609 | return StmtError(); | ||||
9610 | } | ||||
9611 | |||||
9612 | setFunctionHasBranchProtectedScope(); | ||||
9613 | |||||
9614 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9615 | AStmt); | ||||
9616 | } | ||||
9617 | |||||
9618 | StmtResult | ||||
9619 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
9620 | SourceLocation StartLoc, | ||||
9621 | SourceLocation EndLoc, Stmt *AStmt) { | ||||
9622 | if (!AStmt) | ||||
9623 | return StmtError(); | ||||
9624 | |||||
9625 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9626 | // 1.2.2 OpenMP Language Terminology | ||||
9627 | // Structured block - An executable statement with a single entry at the | ||||
9628 | // top and a single exit at the bottom. | ||||
9629 | // The point of exit cannot be a branch out of the structured block. | ||||
9630 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9631 | CS->getCapturedDecl()->setNothrow(); | ||||
9632 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | ||||
9633 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9634 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9635 | // 1.2.2 OpenMP Language Terminology | ||||
9636 | // Structured block - An executable statement with a single entry at the | ||||
9637 | // top and a single exit at the bottom. | ||||
9638 | // The point of exit cannot be a branch out of the structured block. | ||||
9639 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9640 | CS->getCapturedDecl()->setNothrow(); | ||||
9641 | } | ||||
9642 | |||||
9643 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||
9644 | // At least one map clause must appear on the directive. | ||||
9645 | if (!hasClauses(Clauses, OMPC_map)) { | ||||
9646 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
9647 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | ||||
9648 | return StmtError(); | ||||
9649 | } | ||||
9650 | |||||
9651 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9652 | AStmt); | ||||
9653 | } | ||||
9654 | |||||
9655 | StmtResult | ||||
9656 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | ||||
9657 | SourceLocation StartLoc, | ||||
9658 | SourceLocation EndLoc, Stmt *AStmt) { | ||||
9659 | if (!AStmt) | ||||
9660 | return StmtError(); | ||||
9661 | |||||
9662 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9663 | // 1.2.2 OpenMP Language Terminology | ||||
9664 | // Structured block - An executable statement with a single entry at the | ||||
9665 | // top and a single exit at the bottom. | ||||
9666 | // The point of exit cannot be a branch out of the structured block. | ||||
9667 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9668 | CS->getCapturedDecl()->setNothrow(); | ||||
9669 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | ||||
9670 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9671 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9672 | // 1.2.2 OpenMP Language Terminology | ||||
9673 | // Structured block - An executable statement with a single entry at the | ||||
9674 | // top and a single exit at the bottom. | ||||
9675 | // The point of exit cannot be a branch out of the structured block. | ||||
9676 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9677 | CS->getCapturedDecl()->setNothrow(); | ||||
9678 | } | ||||
9679 | |||||
9680 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||
9681 | // At least one map clause must appear on the directive. | ||||
9682 | if (!hasClauses(Clauses, OMPC_map)) { | ||||
9683 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||
9684 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | ||||
9685 | return StmtError(); | ||||
9686 | } | ||||
9687 | |||||
9688 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9689 | AStmt); | ||||
9690 | } | ||||
9691 | |||||
9692 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | ||||
9693 | SourceLocation StartLoc, | ||||
9694 | SourceLocation EndLoc, | ||||
9695 | Stmt *AStmt) { | ||||
9696 | if (!AStmt) | ||||
9697 | return StmtError(); | ||||
9698 | |||||
9699 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9700 | // 1.2.2 OpenMP Language Terminology | ||||
9701 | // Structured block - An executable statement with a single entry at the | ||||
9702 | // top and a single exit at the bottom. | ||||
9703 | // The point of exit cannot be a branch out of the structured block. | ||||
9704 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9705 | CS->getCapturedDecl()->setNothrow(); | ||||
9706 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | ||||
9707 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
9708 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
9709 | // 1.2.2 OpenMP Language Terminology | ||||
9710 | // Structured block - An executable statement with a single entry at the | ||||
9711 | // top and a single exit at the bottom. | ||||
9712 | // The point of exit cannot be a branch out of the structured block. | ||||
9713 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9714 | CS->getCapturedDecl()->setNothrow(); | ||||
9715 | } | ||||
9716 | |||||
9717 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | ||||
9718 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | ||||
9719 | return StmtError(); | ||||
9720 | } | ||||
9721 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9722 | AStmt); | ||||
9723 | } | ||||
9724 | |||||
9725 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||
9726 | Stmt *AStmt, SourceLocation StartLoc, | ||||
9727 | SourceLocation EndLoc) { | ||||
9728 | if (!AStmt) | ||||
9729 | return StmtError(); | ||||
9730 | |||||
9731 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
9732 | // 1.2.2 OpenMP Language Terminology | ||||
9733 | // Structured block - An executable statement with a single entry at the | ||||
9734 | // top and a single exit at the bottom. | ||||
9735 | // The point of exit cannot be a branch out of the structured block. | ||||
9736 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
9737 | CS->getCapturedDecl()->setNothrow(); | ||||
9738 | |||||
9739 | setFunctionHasBranchProtectedScope(); | ||||
9740 | |||||
9741 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
9742 | |||||
9743 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||
9744 | } | ||||
9745 | |||||
9746 | StmtResult | ||||
9747 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | ||||
9748 | SourceLocation EndLoc, | ||||
9749 | OpenMPDirectiveKind CancelRegion) { | ||||
9750 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||
9751 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | ||||
9752 | return StmtError(); | ||||
9753 | } | ||||
9754 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||
9755 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | ||||
9756 | return StmtError(); | ||||
9757 | } | ||||
9758 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | ||||
9759 | CancelRegion); | ||||
9760 | } | ||||
9761 | |||||
9762 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | ||||
9763 | SourceLocation StartLoc, | ||||
9764 | SourceLocation EndLoc, | ||||
9765 | OpenMPDirectiveKind CancelRegion) { | ||||
9766 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||
9767 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | ||||
9768 | return StmtError(); | ||||
9769 | } | ||||
9770 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||
9771 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | ||||
9772 | return StmtError(); | ||||
9773 | } | ||||
9774 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | ||||
9775 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
9776 | CancelRegion); | ||||
9777 | } | ||||
9778 | |||||
9779 | static bool checkGrainsizeNumTasksClauses(Sema &S, | ||||
9780 | ArrayRef<OMPClause *> Clauses) { | ||||
9781 | const OMPClause *PrevClause = nullptr; | ||||
9782 | bool ErrorFound = false; | ||||
9783 | for (const OMPClause *C : Clauses) { | ||||
9784 | if (C->getClauseKind() == OMPC_grainsize || | ||||
9785 | C->getClauseKind() == OMPC_num_tasks) { | ||||
9786 | if (!PrevClause) | ||||
9787 | PrevClause = C; | ||||
9788 | else if (PrevClause->getClauseKind() != C->getClauseKind()) { | ||||
9789 | S.Diag(C->getBeginLoc(), | ||||
9790 | diag::err_omp_grainsize_num_tasks_mutually_exclusive) | ||||
9791 | << getOpenMPClauseName(C->getClauseKind()) | ||||
9792 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
9793 | S.Diag(PrevClause->getBeginLoc(), | ||||
9794 | diag::note_omp_previous_grainsize_num_tasks) | ||||
9795 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||
9796 | ErrorFound = true; | ||||
9797 | } | ||||
9798 | } | ||||
9799 | } | ||||
9800 | return ErrorFound; | ||||
9801 | } | ||||
9802 | |||||
9803 | static bool checkReductionClauseWithNogroup(Sema &S, | ||||
9804 | ArrayRef<OMPClause *> Clauses) { | ||||
9805 | const OMPClause *ReductionClause = nullptr; | ||||
9806 | const OMPClause *NogroupClause = nullptr; | ||||
9807 | for (const OMPClause *C : Clauses) { | ||||
9808 | if (C->getClauseKind() == OMPC_reduction) { | ||||
9809 | ReductionClause = C; | ||||
9810 | if (NogroupClause) | ||||
9811 | break; | ||||
9812 | continue; | ||||
9813 | } | ||||
9814 | if (C->getClauseKind() == OMPC_nogroup) { | ||||
9815 | NogroupClause = C; | ||||
9816 | if (ReductionClause) | ||||
9817 | break; | ||||
9818 | continue; | ||||
9819 | } | ||||
9820 | } | ||||
9821 | if (ReductionClause && NogroupClause) { | ||||
9822 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) | ||||
9823 | << SourceRange(NogroupClause->getBeginLoc(), | ||||
9824 | NogroupClause->getEndLoc()); | ||||
9825 | return true; | ||||
9826 | } | ||||
9827 | return false; | ||||
9828 | } | ||||
9829 | |||||
9830 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | ||||
9831 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9832 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9833 | if (!AStmt) | ||||
9834 | return StmtError(); | ||||
9835 | |||||
9836 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9836, __PRETTY_FUNCTION__)); | ||||
9837 | OMPLoopDirective::HelperExprs B; | ||||
9838 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9839 | // define the nested loops number. | ||||
9840 | unsigned NestedLoopCount = | ||||
9841 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | ||||
9842 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9843 | VarsWithImplicitDSA, B); | ||||
9844 | if (NestedLoopCount == 0) | ||||
9845 | return StmtError(); | ||||
9846 | |||||
9847 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9848, __PRETTY_FUNCTION__)) | ||||
9848 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9848, __PRETTY_FUNCTION__)); | ||||
9849 | |||||
9850 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9851 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
9852 | // not appear on the same taskloop directive. | ||||
9853 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
9854 | return StmtError(); | ||||
9855 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9856 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
9857 | // clause must not be specified. | ||||
9858 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
9859 | return StmtError(); | ||||
9860 | |||||
9861 | setFunctionHasBranchProtectedScope(); | ||||
9862 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||
9863 | NestedLoopCount, Clauses, AStmt, B, | ||||
9864 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9865 | } | ||||
9866 | |||||
9867 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | ||||
9868 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9869 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9870 | if (!AStmt) | ||||
9871 | return StmtError(); | ||||
9872 | |||||
9873 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9873, __PRETTY_FUNCTION__)); | ||||
9874 | OMPLoopDirective::HelperExprs B; | ||||
9875 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9876 | // define the nested loops number. | ||||
9877 | unsigned NestedLoopCount = | ||||
9878 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
9879 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9880 | VarsWithImplicitDSA, B); | ||||
9881 | if (NestedLoopCount == 0) | ||||
9882 | return StmtError(); | ||||
9883 | |||||
9884 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9885, __PRETTY_FUNCTION__)) | ||||
9885 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9885, __PRETTY_FUNCTION__)); | ||||
9886 | |||||
9887 | if (!CurContext->isDependentContext()) { | ||||
9888 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
9889 | for (OMPClause *C : Clauses) { | ||||
9890 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
9891 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
9892 | B.NumIterations, *this, CurScope, | ||||
9893 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
9894 | return StmtError(); | ||||
9895 | } | ||||
9896 | } | ||||
9897 | |||||
9898 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9899 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
9900 | // not appear on the same taskloop directive. | ||||
9901 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
9902 | return StmtError(); | ||||
9903 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9904 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
9905 | // clause must not be specified. | ||||
9906 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
9907 | return StmtError(); | ||||
9908 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
9909 | return StmtError(); | ||||
9910 | |||||
9911 | setFunctionHasBranchProtectedScope(); | ||||
9912 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
9913 | NestedLoopCount, Clauses, AStmt, B); | ||||
9914 | } | ||||
9915 | |||||
9916 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( | ||||
9917 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9918 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9919 | if (!AStmt) | ||||
9920 | return StmtError(); | ||||
9921 | |||||
9922 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9922, __PRETTY_FUNCTION__)); | ||||
9923 | OMPLoopDirective::HelperExprs B; | ||||
9924 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9925 | // define the nested loops number. | ||||
9926 | unsigned NestedLoopCount = | ||||
9927 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), | ||||
9928 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9929 | VarsWithImplicitDSA, B); | ||||
9930 | if (NestedLoopCount == 0) | ||||
9931 | return StmtError(); | ||||
9932 | |||||
9933 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9934, __PRETTY_FUNCTION__)) | ||||
9934 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9934, __PRETTY_FUNCTION__)); | ||||
9935 | |||||
9936 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9937 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
9938 | // not appear on the same taskloop directive. | ||||
9939 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
9940 | return StmtError(); | ||||
9941 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9942 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
9943 | // clause must not be specified. | ||||
9944 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
9945 | return StmtError(); | ||||
9946 | |||||
9947 | setFunctionHasBranchProtectedScope(); | ||||
9948 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||
9949 | NestedLoopCount, Clauses, AStmt, B, | ||||
9950 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
9951 | } | ||||
9952 | |||||
9953 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( | ||||
9954 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
9955 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
9956 | if (!AStmt) | ||||
9957 | return StmtError(); | ||||
9958 | |||||
9959 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9959, __PRETTY_FUNCTION__)); | ||||
9960 | OMPLoopDirective::HelperExprs B; | ||||
9961 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
9962 | // define the nested loops number. | ||||
9963 | unsigned NestedLoopCount = | ||||
9964 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
9965 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
9966 | VarsWithImplicitDSA, B); | ||||
9967 | if (NestedLoopCount == 0) | ||||
9968 | return StmtError(); | ||||
9969 | |||||
9970 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9971, __PRETTY_FUNCTION__)) | ||||
9971 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 9971, __PRETTY_FUNCTION__)); | ||||
9972 | |||||
9973 | if (!CurContext->isDependentContext()) { | ||||
9974 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
9975 | for (OMPClause *C : Clauses) { | ||||
9976 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
9977 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
9978 | B.NumIterations, *this, CurScope, | ||||
9979 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
9980 | return StmtError(); | ||||
9981 | } | ||||
9982 | } | ||||
9983 | |||||
9984 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9985 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
9986 | // not appear on the same taskloop directive. | ||||
9987 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
9988 | return StmtError(); | ||||
9989 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
9990 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
9991 | // clause must not be specified. | ||||
9992 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
9993 | return StmtError(); | ||||
9994 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
9995 | return StmtError(); | ||||
9996 | |||||
9997 | setFunctionHasBranchProtectedScope(); | ||||
9998 | return OMPMasterTaskLoopSimdDirective::Create( | ||||
9999 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10000 | } | ||||
10001 | |||||
10002 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( | ||||
10003 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10004 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10005 | if (!AStmt) | ||||
10006 | return StmtError(); | ||||
10007 | |||||
10008 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10008, __PRETTY_FUNCTION__)); | ||||
10009 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10010 | // 1.2.2 OpenMP Language Terminology | ||||
10011 | // Structured block - An executable statement with a single entry at the | ||||
10012 | // top and a single exit at the bottom. | ||||
10013 | // The point of exit cannot be a branch out of the structured block. | ||||
10014 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10015 | CS->getCapturedDecl()->setNothrow(); | ||||
10016 | for (int ThisCaptureLevel = | ||||
10017 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); | ||||
10018 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10019 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10020 | // 1.2.2 OpenMP Language Terminology | ||||
10021 | // Structured block - An executable statement with a single entry at the | ||||
10022 | // top and a single exit at the bottom. | ||||
10023 | // The point of exit cannot be a branch out of the structured block. | ||||
10024 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10025 | CS->getCapturedDecl()->setNothrow(); | ||||
10026 | } | ||||
10027 | |||||
10028 | OMPLoopDirective::HelperExprs B; | ||||
10029 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10030 | // define the nested loops number. | ||||
10031 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10032 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), | ||||
10033 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10034 | VarsWithImplicitDSA, B); | ||||
10035 | if (NestedLoopCount == 0) | ||||
10036 | return StmtError(); | ||||
10037 | |||||
10038 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10039, __PRETTY_FUNCTION__)) | ||||
10039 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10039, __PRETTY_FUNCTION__)); | ||||
10040 | |||||
10041 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10042 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10043 | // not appear on the same taskloop directive. | ||||
10044 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10045 | return StmtError(); | ||||
10046 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10047 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10048 | // clause must not be specified. | ||||
10049 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10050 | return StmtError(); | ||||
10051 | |||||
10052 | setFunctionHasBranchProtectedScope(); | ||||
10053 | return OMPParallelMasterTaskLoopDirective::Create( | ||||
10054 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10055 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10056 | } | ||||
10057 | |||||
10058 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||
10059 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10060 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10061 | if (!AStmt) | ||||
10062 | return StmtError(); | ||||
10063 | |||||
10064 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10064, __PRETTY_FUNCTION__)); | ||||
10065 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10066 | // 1.2.2 OpenMP Language Terminology | ||||
10067 | // Structured block - An executable statement with a single entry at the | ||||
10068 | // top and a single exit at the bottom. | ||||
10069 | // The point of exit cannot be a branch out of the structured block. | ||||
10070 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10071 | CS->getCapturedDecl()->setNothrow(); | ||||
10072 | for (int ThisCaptureLevel = | ||||
10073 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); | ||||
10074 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10075 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10076 | // 1.2.2 OpenMP Language Terminology | ||||
10077 | // Structured block - An executable statement with a single entry at the | ||||
10078 | // top and a single exit at the bottom. | ||||
10079 | // The point of exit cannot be a branch out of the structured block. | ||||
10080 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10081 | CS->getCapturedDecl()->setNothrow(); | ||||
10082 | } | ||||
10083 | |||||
10084 | OMPLoopDirective::HelperExprs B; | ||||
10085 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10086 | // define the nested loops number. | ||||
10087 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10088 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||
10089 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10090 | VarsWithImplicitDSA, B); | ||||
10091 | if (NestedLoopCount == 0) | ||||
10092 | return StmtError(); | ||||
10093 | |||||
10094 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10095, __PRETTY_FUNCTION__)) | ||||
10095 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10095, __PRETTY_FUNCTION__)); | ||||
10096 | |||||
10097 | if (!CurContext->isDependentContext()) { | ||||
10098 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10099 | for (OMPClause *C : Clauses) { | ||||
10100 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10101 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10102 | B.NumIterations, *this, CurScope, | ||||
10103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10104 | return StmtError(); | ||||
10105 | } | ||||
10106 | } | ||||
10107 | |||||
10108 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10109 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||
10110 | // not appear on the same taskloop directive. | ||||
10111 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | ||||
10112 | return StmtError(); | ||||
10113 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||
10114 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||
10115 | // clause must not be specified. | ||||
10116 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||
10117 | return StmtError(); | ||||
10118 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10119 | return StmtError(); | ||||
10120 | |||||
10121 | setFunctionHasBranchProtectedScope(); | ||||
10122 | return OMPParallelMasterTaskLoopSimdDirective::Create( | ||||
10123 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10124 | } | ||||
10125 | |||||
10126 | StmtResult Sema::ActOnOpenMPDistributeDirective( | ||||
10127 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10128 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10129 | if (!AStmt) | ||||
10130 | return StmtError(); | ||||
10131 | |||||
10132 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((isa<CapturedStmt>(AStmt) && "Captured statement expected" ) ? static_cast<void> (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10132, __PRETTY_FUNCTION__)); | ||||
10133 | OMPLoopDirective::HelperExprs B; | ||||
10134 | // In presence of clause 'collapse' with number of loops, it will | ||||
10135 | // define the nested loops number. | ||||
10136 | unsigned NestedLoopCount = | ||||
10137 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | ||||
10138 | nullptr /*ordered not a clause on distribute*/, AStmt, | ||||
10139 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
10140 | if (NestedLoopCount == 0) | ||||
10141 | return StmtError(); | ||||
10142 | |||||
10143 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10144, __PRETTY_FUNCTION__)) | ||||
10144 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10144, __PRETTY_FUNCTION__)); | ||||
10145 | |||||
10146 | setFunctionHasBranchProtectedScope(); | ||||
10147 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | ||||
10148 | NestedLoopCount, Clauses, AStmt, B); | ||||
10149 | } | ||||
10150 | |||||
10151 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | ||||
10152 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10153 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10154 | if (!AStmt) | ||||
10155 | return StmtError(); | ||||
10156 | |||||
10157 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10158 | // 1.2.2 OpenMP Language Terminology | ||||
10159 | // Structured block - An executable statement with a single entry at the | ||||
10160 | // top and a single exit at the bottom. | ||||
10161 | // The point of exit cannot be a branch out of the structured block. | ||||
10162 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10163 | CS->getCapturedDecl()->setNothrow(); | ||||
10164 | for (int ThisCaptureLevel = | ||||
10165 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | ||||
10166 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10167 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10168 | // 1.2.2 OpenMP Language Terminology | ||||
10169 | // Structured block - An executable statement with a single entry at the | ||||
10170 | // top and a single exit at the bottom. | ||||
10171 | // The point of exit cannot be a branch out of the structured block. | ||||
10172 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10173 | CS->getCapturedDecl()->setNothrow(); | ||||
10174 | } | ||||
10175 | |||||
10176 | OMPLoopDirective::HelperExprs B; | ||||
10177 | // In presence of clause 'collapse' with number of loops, it will | ||||
10178 | // define the nested loops number. | ||||
10179 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10180 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
10181 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10182 | VarsWithImplicitDSA, B); | ||||
10183 | if (NestedLoopCount == 0) | ||||
10184 | return StmtError(); | ||||
10185 | |||||
10186 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10187, __PRETTY_FUNCTION__)) | ||||
10187 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10187, __PRETTY_FUNCTION__)); | ||||
10188 | |||||
10189 | setFunctionHasBranchProtectedScope(); | ||||
10190 | return OMPDistributeParallelForDirective::Create( | ||||
10191 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10193 | } | ||||
10194 | |||||
10195 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | ||||
10196 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10197 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10198 | if (!AStmt) | ||||
10199 | return StmtError(); | ||||
10200 | |||||
10201 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10202 | // 1.2.2 OpenMP Language Terminology | ||||
10203 | // Structured block - An executable statement with a single entry at the | ||||
10204 | // top and a single exit at the bottom. | ||||
10205 | // The point of exit cannot be a branch out of the structured block. | ||||
10206 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10207 | CS->getCapturedDecl()->setNothrow(); | ||||
10208 | for (int ThisCaptureLevel = | ||||
10209 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | ||||
10210 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10211 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10212 | // 1.2.2 OpenMP Language Terminology | ||||
10213 | // Structured block - An executable statement with a single entry at the | ||||
10214 | // top and a single exit at the bottom. | ||||
10215 | // The point of exit cannot be a branch out of the structured block. | ||||
10216 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10217 | CS->getCapturedDecl()->setNothrow(); | ||||
10218 | } | ||||
10219 | |||||
10220 | OMPLoopDirective::HelperExprs B; | ||||
10221 | // In presence of clause 'collapse' with number of loops, it will | ||||
10222 | // define the nested loops number. | ||||
10223 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10224 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
10225 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10226 | VarsWithImplicitDSA, B); | ||||
10227 | if (NestedLoopCount == 0) | ||||
10228 | return StmtError(); | ||||
10229 | |||||
10230 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10231, __PRETTY_FUNCTION__)) | ||||
10231 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10231, __PRETTY_FUNCTION__)); | ||||
10232 | |||||
10233 | if (!CurContext->isDependentContext()) { | ||||
10234 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10235 | for (OMPClause *C : Clauses) { | ||||
10236 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10237 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10238 | B.NumIterations, *this, CurScope, | ||||
10239 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10240 | return StmtError(); | ||||
10241 | } | ||||
10242 | } | ||||
10243 | |||||
10244 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10245 | return StmtError(); | ||||
10246 | |||||
10247 | setFunctionHasBranchProtectedScope(); | ||||
10248 | return OMPDistributeParallelForSimdDirective::Create( | ||||
10249 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10250 | } | ||||
10251 | |||||
10252 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | ||||
10253 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10254 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10255 | if (!AStmt) | ||||
10256 | return StmtError(); | ||||
10257 | |||||
10258 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10259 | // 1.2.2 OpenMP Language Terminology | ||||
10260 | // Structured block - An executable statement with a single entry at the | ||||
10261 | // top and a single exit at the bottom. | ||||
10262 | // The point of exit cannot be a branch out of the structured block. | ||||
10263 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10264 | CS->getCapturedDecl()->setNothrow(); | ||||
10265 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | ||||
10266 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10267 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10268 | // 1.2.2 OpenMP Language Terminology | ||||
10269 | // Structured block - An executable statement with a single entry at the | ||||
10270 | // top and a single exit at the bottom. | ||||
10271 | // The point of exit cannot be a branch out of the structured block. | ||||
10272 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10273 | CS->getCapturedDecl()->setNothrow(); | ||||
10274 | } | ||||
10275 | |||||
10276 | OMPLoopDirective::HelperExprs B; | ||||
10277 | // In presence of clause 'collapse' with number of loops, it will | ||||
10278 | // define the nested loops number. | ||||
10279 | unsigned NestedLoopCount = | ||||
10280 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
10281 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
10282 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
10283 | if (NestedLoopCount == 0) | ||||
10284 | return StmtError(); | ||||
10285 | |||||
10286 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10287, __PRETTY_FUNCTION__)) | ||||
10287 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10287, __PRETTY_FUNCTION__)); | ||||
10288 | |||||
10289 | if (!CurContext->isDependentContext()) { | ||||
10290 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10291 | for (OMPClause *C : Clauses) { | ||||
10292 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10293 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10294 | B.NumIterations, *this, CurScope, | ||||
10295 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10296 | return StmtError(); | ||||
10297 | } | ||||
10298 | } | ||||
10299 | |||||
10300 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10301 | return StmtError(); | ||||
10302 | |||||
10303 | setFunctionHasBranchProtectedScope(); | ||||
10304 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
10305 | NestedLoopCount, Clauses, AStmt, B); | ||||
10306 | } | ||||
10307 | |||||
10308 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | ||||
10309 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10310 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10311 | if (!AStmt) | ||||
10312 | return StmtError(); | ||||
10313 | |||||
10314 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10315 | // 1.2.2 OpenMP Language Terminology | ||||
10316 | // Structured block - An executable statement with a single entry at the | ||||
10317 | // top and a single exit at the bottom. | ||||
10318 | // The point of exit cannot be a branch out of the structured block. | ||||
10319 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10320 | CS->getCapturedDecl()->setNothrow(); | ||||
10321 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||
10322 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10323 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10324 | // 1.2.2 OpenMP Language Terminology | ||||
10325 | // Structured block - An executable statement with a single entry at the | ||||
10326 | // top and a single exit at the bottom. | ||||
10327 | // The point of exit cannot be a branch out of the structured block. | ||||
10328 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10329 | CS->getCapturedDecl()->setNothrow(); | ||||
10330 | } | ||||
10331 | |||||
10332 | OMPLoopDirective::HelperExprs B; | ||||
10333 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||
10334 | // define the nested loops number. | ||||
10335 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10336 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
10337 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10338 | VarsWithImplicitDSA, B); | ||||
10339 | if (NestedLoopCount == 0) | ||||
10340 | return StmtError(); | ||||
10341 | |||||
10342 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10343, __PRETTY_FUNCTION__)) | ||||
10343 | "omp target parallel for simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target parallel for simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10343, __PRETTY_FUNCTION__)); | ||||
10344 | |||||
10345 | if (!CurContext->isDependentContext()) { | ||||
10346 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10347 | for (OMPClause *C : Clauses) { | ||||
10348 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10349 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10350 | B.NumIterations, *this, CurScope, | ||||
10351 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10352 | return StmtError(); | ||||
10353 | } | ||||
10354 | } | ||||
10355 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10356 | return StmtError(); | ||||
10357 | |||||
10358 | setFunctionHasBranchProtectedScope(); | ||||
10359 | return OMPTargetParallelForSimdDirective::Create( | ||||
10360 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10361 | } | ||||
10362 | |||||
10363 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | ||||
10364 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10365 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10366 | if (!AStmt) | ||||
10367 | return StmtError(); | ||||
10368 | |||||
10369 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10370 | // 1.2.2 OpenMP Language Terminology | ||||
10371 | // Structured block - An executable statement with a single entry at the | ||||
10372 | // top and a single exit at the bottom. | ||||
10373 | // The point of exit cannot be a branch out of the structured block. | ||||
10374 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10375 | CS->getCapturedDecl()->setNothrow(); | ||||
10376 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | ||||
10377 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10378 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10379 | // 1.2.2 OpenMP Language Terminology | ||||
10380 | // Structured block - An executable statement with a single entry at the | ||||
10381 | // top and a single exit at the bottom. | ||||
10382 | // The point of exit cannot be a branch out of the structured block. | ||||
10383 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10384 | CS->getCapturedDecl()->setNothrow(); | ||||
10385 | } | ||||
10386 | |||||
10387 | OMPLoopDirective::HelperExprs B; | ||||
10388 | // In presence of clause 'collapse' with number of loops, it will define the | ||||
10389 | // nested loops number. | ||||
10390 | unsigned NestedLoopCount = | ||||
10391 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | ||||
10392 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10393 | VarsWithImplicitDSA, B); | ||||
10394 | if (NestedLoopCount == 0) | ||||
10395 | return StmtError(); | ||||
10396 | |||||
10397 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10398, __PRETTY_FUNCTION__)) | ||||
10398 | "omp target simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target simd loop exprs were not built") ? static_cast< void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10398, __PRETTY_FUNCTION__)); | ||||
10399 | |||||
10400 | if (!CurContext->isDependentContext()) { | ||||
10401 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10402 | for (OMPClause *C : Clauses) { | ||||
10403 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10404 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10405 | B.NumIterations, *this, CurScope, | ||||
10406 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10407 | return StmtError(); | ||||
10408 | } | ||||
10409 | } | ||||
10410 | |||||
10411 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10412 | return StmtError(); | ||||
10413 | |||||
10414 | setFunctionHasBranchProtectedScope(); | ||||
10415 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | ||||
10416 | NestedLoopCount, Clauses, AStmt, B); | ||||
10417 | } | ||||
10418 | |||||
10419 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | ||||
10420 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10421 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10422 | if (!AStmt) | ||||
10423 | return StmtError(); | ||||
10424 | |||||
10425 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10426 | // 1.2.2 OpenMP Language Terminology | ||||
10427 | // Structured block - An executable statement with a single entry at the | ||||
10428 | // top and a single exit at the bottom. | ||||
10429 | // The point of exit cannot be a branch out of the structured block. | ||||
10430 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10431 | CS->getCapturedDecl()->setNothrow(); | ||||
10432 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | ||||
10433 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10434 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10435 | // 1.2.2 OpenMP Language Terminology | ||||
10436 | // Structured block - An executable statement with a single entry at the | ||||
10437 | // top and a single exit at the bottom. | ||||
10438 | // The point of exit cannot be a branch out of the structured block. | ||||
10439 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10440 | CS->getCapturedDecl()->setNothrow(); | ||||
10441 | } | ||||
10442 | |||||
10443 | OMPLoopDirective::HelperExprs B; | ||||
10444 | // In presence of clause 'collapse' with number of loops, it will | ||||
10445 | // define the nested loops number. | ||||
10446 | unsigned NestedLoopCount = | ||||
10447 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | ||||
10448 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
10449 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
10450 | if (NestedLoopCount == 0) | ||||
10451 | return StmtError(); | ||||
10452 | |||||
10453 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10454, __PRETTY_FUNCTION__)) | ||||
10454 | "omp teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10454, __PRETTY_FUNCTION__)); | ||||
10455 | |||||
10456 | setFunctionHasBranchProtectedScope(); | ||||
10457 | |||||
10458 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
10459 | |||||
10460 | return OMPTeamsDistributeDirective::Create( | ||||
10461 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10462 | } | ||||
10463 | |||||
10464 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | ||||
10465 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10466 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10467 | if (!AStmt) | ||||
10468 | return StmtError(); | ||||
10469 | |||||
10470 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10471 | // 1.2.2 OpenMP Language Terminology | ||||
10472 | // Structured block - An executable statement with a single entry at the | ||||
10473 | // top and a single exit at the bottom. | ||||
10474 | // The point of exit cannot be a branch out of the structured block. | ||||
10475 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10476 | CS->getCapturedDecl()->setNothrow(); | ||||
10477 | for (int ThisCaptureLevel = | ||||
10478 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | ||||
10479 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10480 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10481 | // 1.2.2 OpenMP Language Terminology | ||||
10482 | // Structured block - An executable statement with a single entry at the | ||||
10483 | // top and a single exit at the bottom. | ||||
10484 | // The point of exit cannot be a branch out of the structured block. | ||||
10485 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10486 | CS->getCapturedDecl()->setNothrow(); | ||||
10487 | } | ||||
10488 | |||||
10489 | OMPLoopDirective::HelperExprs B; | ||||
10490 | // In presence of clause 'collapse' with number of loops, it will | ||||
10491 | // define the nested loops number. | ||||
10492 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10493 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
10494 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10495 | VarsWithImplicitDSA, B); | ||||
10496 | |||||
10497 | if (NestedLoopCount == 0) | ||||
10498 | return StmtError(); | ||||
10499 | |||||
10500 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10501, __PRETTY_FUNCTION__)) | ||||
10501 | "omp teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp teams distribute simd loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10501, __PRETTY_FUNCTION__)); | ||||
10502 | |||||
10503 | if (!CurContext->isDependentContext()) { | ||||
10504 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10505 | for (OMPClause *C : Clauses) { | ||||
10506 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10507 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10508 | B.NumIterations, *this, CurScope, | ||||
10509 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10510 | return StmtError(); | ||||
10511 | } | ||||
10512 | } | ||||
10513 | |||||
10514 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10515 | return StmtError(); | ||||
10516 | |||||
10517 | setFunctionHasBranchProtectedScope(); | ||||
10518 | |||||
10519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
10520 | |||||
10521 | return OMPTeamsDistributeSimdDirective::Create( | ||||
10522 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10523 | } | ||||
10524 | |||||
10525 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||
10526 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10527 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10528 | if (!AStmt) | ||||
10529 | return StmtError(); | ||||
10530 | |||||
10531 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10532 | // 1.2.2 OpenMP Language Terminology | ||||
10533 | // Structured block - An executable statement with a single entry at the | ||||
10534 | // top and a single exit at the bottom. | ||||
10535 | // The point of exit cannot be a branch out of the structured block. | ||||
10536 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10537 | CS->getCapturedDecl()->setNothrow(); | ||||
10538 | |||||
10539 | for (int ThisCaptureLevel = | ||||
10540 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | ||||
10541 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10542 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10543 | // 1.2.2 OpenMP Language Terminology | ||||
10544 | // Structured block - An executable statement with a single entry at the | ||||
10545 | // top and a single exit at the bottom. | ||||
10546 | // The point of exit cannot be a branch out of the structured block. | ||||
10547 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10548 | CS->getCapturedDecl()->setNothrow(); | ||||
10549 | } | ||||
10550 | |||||
10551 | OMPLoopDirective::HelperExprs B; | ||||
10552 | // In presence of clause 'collapse' with number of loops, it will | ||||
10553 | // define the nested loops number. | ||||
10554 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10555 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||
10556 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10557 | VarsWithImplicitDSA, B); | ||||
10558 | |||||
10559 | if (NestedLoopCount == 0) | ||||
10560 | return StmtError(); | ||||
10561 | |||||
10562 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10563, __PRETTY_FUNCTION__)) | ||||
10563 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10563, __PRETTY_FUNCTION__)); | ||||
10564 | |||||
10565 | if (!CurContext->isDependentContext()) { | ||||
10566 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10567 | for (OMPClause *C : Clauses) { | ||||
10568 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10569 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10570 | B.NumIterations, *this, CurScope, | ||||
10571 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10572 | return StmtError(); | ||||
10573 | } | ||||
10574 | } | ||||
10575 | |||||
10576 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10577 | return StmtError(); | ||||
10578 | |||||
10579 | setFunctionHasBranchProtectedScope(); | ||||
10580 | |||||
10581 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
10582 | |||||
10583 | return OMPTeamsDistributeParallelForSimdDirective::Create( | ||||
10584 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10585 | } | ||||
10586 | |||||
10587 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | ||||
10588 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10589 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10590 | if (!AStmt) | ||||
10591 | return StmtError(); | ||||
10592 | |||||
10593 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10594 | // 1.2.2 OpenMP Language Terminology | ||||
10595 | // Structured block - An executable statement with a single entry at the | ||||
10596 | // top and a single exit at the bottom. | ||||
10597 | // The point of exit cannot be a branch out of the structured block. | ||||
10598 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10599 | CS->getCapturedDecl()->setNothrow(); | ||||
10600 | |||||
10601 | for (int ThisCaptureLevel = | ||||
10602 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | ||||
10603 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10604 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10605 | // 1.2.2 OpenMP Language Terminology | ||||
10606 | // Structured block - An executable statement with a single entry at the | ||||
10607 | // top and a single exit at the bottom. | ||||
10608 | // The point of exit cannot be a branch out of the structured block. | ||||
10609 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10610 | CS->getCapturedDecl()->setNothrow(); | ||||
10611 | } | ||||
10612 | |||||
10613 | OMPLoopDirective::HelperExprs B; | ||||
10614 | // In presence of clause 'collapse' with number of loops, it will | ||||
10615 | // define the nested loops number. | ||||
10616 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10617 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
10618 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10619 | VarsWithImplicitDSA, B); | ||||
10620 | |||||
10621 | if (NestedLoopCount == 0) | ||||
10622 | return StmtError(); | ||||
10623 | |||||
10624 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10625, __PRETTY_FUNCTION__)) | ||||
10625 | "omp for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp for loop exprs were not built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10625, __PRETTY_FUNCTION__)); | ||||
10626 | |||||
10627 | setFunctionHasBranchProtectedScope(); | ||||
10628 | |||||
10629 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||
10630 | |||||
10631 | return OMPTeamsDistributeParallelForDirective::Create( | ||||
10632 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10633 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10634 | } | ||||
10635 | |||||
10636 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||
10637 | Stmt *AStmt, | ||||
10638 | SourceLocation StartLoc, | ||||
10639 | SourceLocation EndLoc) { | ||||
10640 | if (!AStmt) | ||||
10641 | return StmtError(); | ||||
10642 | |||||
10643 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10644 | // 1.2.2 OpenMP Language Terminology | ||||
10645 | // Structured block - An executable statement with a single entry at the | ||||
10646 | // top and a single exit at the bottom. | ||||
10647 | // The point of exit cannot be a branch out of the structured block. | ||||
10648 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10649 | CS->getCapturedDecl()->setNothrow(); | ||||
10650 | |||||
10651 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | ||||
10652 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10653 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10654 | // 1.2.2 OpenMP Language Terminology | ||||
10655 | // Structured block - An executable statement with a single entry at the | ||||
10656 | // top and a single exit at the bottom. | ||||
10657 | // The point of exit cannot be a branch out of the structured block. | ||||
10658 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10659 | CS->getCapturedDecl()->setNothrow(); | ||||
10660 | } | ||||
10661 | setFunctionHasBranchProtectedScope(); | ||||
10662 | |||||
10663 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||
10664 | AStmt); | ||||
10665 | } | ||||
10666 | |||||
10667 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | ||||
10668 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10669 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10670 | if (!AStmt) | ||||
10671 | return StmtError(); | ||||
10672 | |||||
10673 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10674 | // 1.2.2 OpenMP Language Terminology | ||||
10675 | // Structured block - An executable statement with a single entry at the | ||||
10676 | // top and a single exit at the bottom. | ||||
10677 | // The point of exit cannot be a branch out of the structured block. | ||||
10678 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10679 | CS->getCapturedDecl()->setNothrow(); | ||||
10680 | for (int ThisCaptureLevel = | ||||
10681 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | ||||
10682 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10683 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10684 | // 1.2.2 OpenMP Language Terminology | ||||
10685 | // Structured block - An executable statement with a single entry at the | ||||
10686 | // top and a single exit at the bottom. | ||||
10687 | // The point of exit cannot be a branch out of the structured block. | ||||
10688 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10689 | CS->getCapturedDecl()->setNothrow(); | ||||
10690 | } | ||||
10691 | |||||
10692 | OMPLoopDirective::HelperExprs B; | ||||
10693 | // In presence of clause 'collapse' with number of loops, it will | ||||
10694 | // define the nested loops number. | ||||
10695 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10696 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | ||||
10697 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10698 | VarsWithImplicitDSA, B); | ||||
10699 | if (NestedLoopCount == 0) | ||||
10700 | return StmtError(); | ||||
10701 | |||||
10702 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10703, __PRETTY_FUNCTION__)) | ||||
10703 | "omp target teams distribute loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute loop exprs were not built") ? static_cast <void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10703, __PRETTY_FUNCTION__)); | ||||
10704 | |||||
10705 | setFunctionHasBranchProtectedScope(); | ||||
10706 | return OMPTargetTeamsDistributeDirective::Create( | ||||
10707 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10708 | } | ||||
10709 | |||||
10710 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||
10711 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10712 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10713 | if (!AStmt) | ||||
10714 | return StmtError(); | ||||
10715 | |||||
10716 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10717 | // 1.2.2 OpenMP Language Terminology | ||||
10718 | // Structured block - An executable statement with a single entry at the | ||||
10719 | // top and a single exit at the bottom. | ||||
10720 | // The point of exit cannot be a branch out of the structured block. | ||||
10721 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10722 | CS->getCapturedDecl()->setNothrow(); | ||||
10723 | for (int ThisCaptureLevel = | ||||
10724 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | ||||
10725 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10726 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10727 | // 1.2.2 OpenMP Language Terminology | ||||
10728 | // Structured block - An executable statement with a single entry at the | ||||
10729 | // top and a single exit at the bottom. | ||||
10730 | // The point of exit cannot be a branch out of the structured block. | ||||
10731 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10732 | CS->getCapturedDecl()->setNothrow(); | ||||
10733 | } | ||||
10734 | |||||
10735 | OMPLoopDirective::HelperExprs B; | ||||
10736 | // In presence of clause 'collapse' with number of loops, it will | ||||
10737 | // define the nested loops number. | ||||
10738 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10739 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||
10740 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10741 | VarsWithImplicitDSA, B); | ||||
10742 | if (NestedLoopCount == 0) | ||||
10743 | return StmtError(); | ||||
10744 | |||||
10745 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10746, __PRETTY_FUNCTION__)) | ||||
10746 | "omp target teams distribute parallel for loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10746, __PRETTY_FUNCTION__)); | ||||
10747 | |||||
10748 | if (!CurContext->isDependentContext()) { | ||||
10749 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10750 | for (OMPClause *C : Clauses) { | ||||
10751 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10752 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10753 | B.NumIterations, *this, CurScope, | ||||
10754 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10755 | return StmtError(); | ||||
10756 | } | ||||
10757 | } | ||||
10758 | |||||
10759 | setFunctionHasBranchProtectedScope(); | ||||
10760 | return OMPTargetTeamsDistributeParallelForDirective::Create( | ||||
10761 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||
10762 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||
10763 | } | ||||
10764 | |||||
10765 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||
10766 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10767 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10768 | if (!AStmt) | ||||
10769 | return StmtError(); | ||||
10770 | |||||
10771 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10772 | // 1.2.2 OpenMP Language Terminology | ||||
10773 | // Structured block - An executable statement with a single entry at the | ||||
10774 | // top and a single exit at the bottom. | ||||
10775 | // The point of exit cannot be a branch out of the structured block. | ||||
10776 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10777 | CS->getCapturedDecl()->setNothrow(); | ||||
10778 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | ||||
10779 | OMPD_target_teams_distribute_parallel_for_simd); | ||||
10780 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10781 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10782 | // 1.2.2 OpenMP Language Terminology | ||||
10783 | // Structured block - An executable statement with a single entry at the | ||||
10784 | // top and a single exit at the bottom. | ||||
10785 | // The point of exit cannot be a branch out of the structured block. | ||||
10786 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10787 | CS->getCapturedDecl()->setNothrow(); | ||||
10788 | } | ||||
10789 | |||||
10790 | OMPLoopDirective::HelperExprs B; | ||||
10791 | // In presence of clause 'collapse' with number of loops, it will | ||||
10792 | // define the nested loops number. | ||||
10793 | unsigned NestedLoopCount = | ||||
10794 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | ||||
10795 | getCollapseNumberExpr(Clauses), | ||||
10796 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||
10797 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||
10798 | if (NestedLoopCount == 0) | ||||
10799 | return StmtError(); | ||||
10800 | |||||
10801 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10803, __PRETTY_FUNCTION__)) | ||||
10802 | "omp target teams distribute parallel for simd loop exprs were not "(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10803, __PRETTY_FUNCTION__)) | ||||
10803 | "built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10803, __PRETTY_FUNCTION__)); | ||||
10804 | |||||
10805 | if (!CurContext->isDependentContext()) { | ||||
10806 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10807 | for (OMPClause *C : Clauses) { | ||||
10808 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10809 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10810 | B.NumIterations, *this, CurScope, | ||||
10811 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10812 | return StmtError(); | ||||
10813 | } | ||||
10814 | } | ||||
10815 | |||||
10816 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10817 | return StmtError(); | ||||
10818 | |||||
10819 | setFunctionHasBranchProtectedScope(); | ||||
10820 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | ||||
10821 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10822 | } | ||||
10823 | |||||
10824 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||
10825 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||
10826 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||
10827 | if (!AStmt) | ||||
10828 | return StmtError(); | ||||
10829 | |||||
10830 | auto *CS = cast<CapturedStmt>(AStmt); | ||||
10831 | // 1.2.2 OpenMP Language Terminology | ||||
10832 | // Structured block - An executable statement with a single entry at the | ||||
10833 | // top and a single exit at the bottom. | ||||
10834 | // The point of exit cannot be a branch out of the structured block. | ||||
10835 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10836 | CS->getCapturedDecl()->setNothrow(); | ||||
10837 | for (int ThisCaptureLevel = | ||||
10838 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | ||||
10839 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||
10840 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||
10841 | // 1.2.2 OpenMP Language Terminology | ||||
10842 | // Structured block - An executable statement with a single entry at the | ||||
10843 | // top and a single exit at the bottom. | ||||
10844 | // The point of exit cannot be a branch out of the structured block. | ||||
10845 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||
10846 | CS->getCapturedDecl()->setNothrow(); | ||||
10847 | } | ||||
10848 | |||||
10849 | OMPLoopDirective::HelperExprs B; | ||||
10850 | // In presence of clause 'collapse' with number of loops, it will | ||||
10851 | // define the nested loops number. | ||||
10852 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||
10853 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||
10854 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
10855 | VarsWithImplicitDSA, B); | ||||
10856 | if (NestedLoopCount == 0) | ||||
10857 | return StmtError(); | ||||
10858 | |||||
10859 | assert((CurContext->isDependentContext() || B.builtAll()) &&(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10860, __PRETTY_FUNCTION__)) | ||||
10860 | "omp target teams distribute simd loop exprs were not built")(((CurContext->isDependentContext() || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? static_cast<void> (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10860, __PRETTY_FUNCTION__)); | ||||
10861 | |||||
10862 | if (!CurContext->isDependentContext()) { | ||||
10863 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||
10864 | for (OMPClause *C : Clauses) { | ||||
10865 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||
10866 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||
10867 | B.NumIterations, *this, CurScope, | ||||
10868 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
10869 | return StmtError(); | ||||
10870 | } | ||||
10871 | } | ||||
10872 | |||||
10873 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||
10874 | return StmtError(); | ||||
10875 | |||||
10876 | setFunctionHasBranchProtectedScope(); | ||||
10877 | return OMPTargetTeamsDistributeSimdDirective::Create( | ||||
10878 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||
10879 | } | ||||
10880 | |||||
10881 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | ||||
10882 | SourceLocation StartLoc, | ||||
10883 | SourceLocation LParenLoc, | ||||
10884 | SourceLocation EndLoc) { | ||||
10885 | OMPClause *Res = nullptr; | ||||
10886 | switch (Kind) { | ||||
10887 | case OMPC_final: | ||||
10888 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10889 | break; | ||||
10890 | case OMPC_num_threads: | ||||
10891 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10892 | break; | ||||
10893 | case OMPC_safelen: | ||||
10894 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10895 | break; | ||||
10896 | case OMPC_simdlen: | ||||
10897 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10898 | break; | ||||
10899 | case OMPC_allocator: | ||||
10900 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10901 | break; | ||||
10902 | case OMPC_collapse: | ||||
10903 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10904 | break; | ||||
10905 | case OMPC_ordered: | ||||
10906 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | ||||
10907 | break; | ||||
10908 | case OMPC_device: | ||||
10909 | Res = ActOnOpenMPDeviceClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10910 | break; | ||||
10911 | case OMPC_num_teams: | ||||
10912 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10913 | break; | ||||
10914 | case OMPC_thread_limit: | ||||
10915 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10916 | break; | ||||
10917 | case OMPC_priority: | ||||
10918 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10919 | break; | ||||
10920 | case OMPC_grainsize: | ||||
10921 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10922 | break; | ||||
10923 | case OMPC_num_tasks: | ||||
10924 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10925 | break; | ||||
10926 | case OMPC_hint: | ||||
10927 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10928 | break; | ||||
10929 | case OMPC_depobj: | ||||
10930 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||
10931 | break; | ||||
10932 | case OMPC_if: | ||||
10933 | case OMPC_default: | ||||
10934 | case OMPC_proc_bind: | ||||
10935 | case OMPC_schedule: | ||||
10936 | case OMPC_private: | ||||
10937 | case OMPC_firstprivate: | ||||
10938 | case OMPC_lastprivate: | ||||
10939 | case OMPC_shared: | ||||
10940 | case OMPC_reduction: | ||||
10941 | case OMPC_task_reduction: | ||||
10942 | case OMPC_in_reduction: | ||||
10943 | case OMPC_linear: | ||||
10944 | case OMPC_aligned: | ||||
10945 | case OMPC_copyin: | ||||
10946 | case OMPC_copyprivate: | ||||
10947 | case OMPC_nowait: | ||||
10948 | case OMPC_untied: | ||||
10949 | case OMPC_mergeable: | ||||
10950 | case OMPC_threadprivate: | ||||
10951 | case OMPC_allocate: | ||||
10952 | case OMPC_flush: | ||||
10953 | case OMPC_read: | ||||
10954 | case OMPC_write: | ||||
10955 | case OMPC_update: | ||||
10956 | case OMPC_capture: | ||||
10957 | case OMPC_seq_cst: | ||||
10958 | case OMPC_acq_rel: | ||||
10959 | case OMPC_acquire: | ||||
10960 | case OMPC_release: | ||||
10961 | case OMPC_relaxed: | ||||
10962 | case OMPC_depend: | ||||
10963 | case OMPC_threads: | ||||
10964 | case OMPC_simd: | ||||
10965 | case OMPC_map: | ||||
10966 | case OMPC_nogroup: | ||||
10967 | case OMPC_dist_schedule: | ||||
10968 | case OMPC_defaultmap: | ||||
10969 | case OMPC_unknown: | ||||
10970 | case OMPC_uniform: | ||||
10971 | case OMPC_to: | ||||
10972 | case OMPC_from: | ||||
10973 | case OMPC_use_device_ptr: | ||||
10974 | case OMPC_is_device_ptr: | ||||
10975 | case OMPC_unified_address: | ||||
10976 | case OMPC_unified_shared_memory: | ||||
10977 | case OMPC_reverse_offload: | ||||
10978 | case OMPC_dynamic_allocators: | ||||
10979 | case OMPC_atomic_default_mem_order: | ||||
10980 | case OMPC_device_type: | ||||
10981 | case OMPC_match: | ||||
10982 | case OMPC_nontemporal: | ||||
10983 | case OMPC_order: | ||||
10984 | case OMPC_destroy: | ||||
10985 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 10985); | ||||
10986 | } | ||||
10987 | return Res; | ||||
10988 | } | ||||
10989 | |||||
10990 | // An OpenMP directive such as 'target parallel' has two captured regions: | ||||
10991 | // for the 'target' and 'parallel' respectively. This function returns | ||||
10992 | // the region in which to capture expressions associated with a clause. | ||||
10993 | // A return value of OMPD_unknown signifies that the expression should not | ||||
10994 | // be captured. | ||||
10995 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | ||||
10996 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, | ||||
10997 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | ||||
10998 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
10999 | switch (CKind) { | ||||
11000 | case OMPC_if: | ||||
11001 | switch (DKind) { | ||||
11002 | case OMPD_target_parallel_for_simd: | ||||
11003 | if (OpenMPVersion >= 50 && | ||||
11004 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11005 | CaptureRegion = OMPD_parallel; | ||||
11006 | break; | ||||
11007 | } | ||||
11008 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11009 | case OMPD_target_parallel: | ||||
11010 | case OMPD_target_parallel_for: | ||||
11011 | // If this clause applies to the nested 'parallel' region, capture within | ||||
11012 | // the 'target' region, otherwise do not capture. | ||||
11013 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||
11014 | CaptureRegion = OMPD_target; | ||||
11015 | break; | ||||
11016 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11017 | if (OpenMPVersion >= 50 && | ||||
11018 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11019 | CaptureRegion = OMPD_parallel; | ||||
11020 | break; | ||||
11021 | } | ||||
11022 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11023 | case OMPD_target_teams_distribute_parallel_for: | ||||
11024 | // If this clause applies to the nested 'parallel' region, capture within | ||||
11025 | // the 'teams' region, otherwise do not capture. | ||||
11026 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||
11027 | CaptureRegion = OMPD_teams; | ||||
11028 | break; | ||||
11029 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11030 | if (OpenMPVersion >= 50 && | ||||
11031 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||
11032 | CaptureRegion = OMPD_parallel; | ||||
11033 | break; | ||||
11034 | } | ||||
11035 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||
11036 | case OMPD_teams_distribute_parallel_for: | ||||
11037 | CaptureRegion = OMPD_teams; | ||||
11038 | break; | ||||
11039 | case OMPD_target_update: | ||||
11040 | case OMPD_target_enter_data: | ||||
11041 | case OMPD_target_exit_data: | ||||
11042 | CaptureRegion = OMPD_task; | ||||
11043 | break; | ||||
11044 | case OMPD_parallel_master_taskloop: | ||||
11045 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) | ||||
11046 | CaptureRegion = OMPD_parallel; | ||||
11047 | break; | ||||
11048 | case OMPD_parallel_master_taskloop_simd: | ||||
11049 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || | ||||
11050 | NameModifier == OMPD_taskloop) { | ||||
11051 | CaptureRegion = OMPD_parallel; | ||||
11052 | break; | ||||
11053 | } | ||||
11054 | if (OpenMPVersion <= 45) | ||||
11055 | break; | ||||
11056 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11057 | CaptureRegion = OMPD_taskloop; | ||||
11058 | break; | ||||
11059 | case OMPD_parallel_for_simd: | ||||
11060 | if (OpenMPVersion <= 45) | ||||
11061 | break; | ||||
11062 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11063 | CaptureRegion = OMPD_parallel; | ||||
11064 | break; | ||||
11065 | case OMPD_taskloop_simd: | ||||
11066 | case OMPD_master_taskloop_simd: | ||||
11067 | if (OpenMPVersion <= 45) | ||||
11068 | break; | ||||
11069 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11070 | CaptureRegion = OMPD_taskloop; | ||||
11071 | break; | ||||
11072 | case OMPD_distribute_parallel_for_simd: | ||||
11073 | if (OpenMPVersion <= 45) | ||||
11074 | break; | ||||
11075 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||
11076 | CaptureRegion = OMPD_parallel; | ||||
11077 | break; | ||||
11078 | case OMPD_target_simd: | ||||
11079 | if (OpenMPVersion >= 50 && | ||||
11080 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||
11081 | CaptureRegion = OMPD_target; | ||||
11082 | break; | ||||
11083 | case OMPD_teams_distribute_simd: | ||||
11084 | case OMPD_target_teams_distribute_simd: | ||||
11085 | if (OpenMPVersion >= 50 && | ||||
11086 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||
11087 | CaptureRegion = OMPD_teams; | ||||
11088 | break; | ||||
11089 | case OMPD_cancel: | ||||
11090 | case OMPD_parallel: | ||||
11091 | case OMPD_parallel_master: | ||||
11092 | case OMPD_parallel_sections: | ||||
11093 | case OMPD_parallel_for: | ||||
11094 | case OMPD_target: | ||||
11095 | case OMPD_target_teams: | ||||
11096 | case OMPD_target_teams_distribute: | ||||
11097 | case OMPD_distribute_parallel_for: | ||||
11098 | case OMPD_task: | ||||
11099 | case OMPD_taskloop: | ||||
11100 | case OMPD_master_taskloop: | ||||
11101 | case OMPD_target_data: | ||||
11102 | case OMPD_simd: | ||||
11103 | case OMPD_for_simd: | ||||
11104 | case OMPD_distribute_simd: | ||||
11105 | // Do not capture if-clause expressions. | ||||
11106 | break; | ||||
11107 | case OMPD_threadprivate: | ||||
11108 | case OMPD_allocate: | ||||
11109 | case OMPD_taskyield: | ||||
11110 | case OMPD_barrier: | ||||
11111 | case OMPD_taskwait: | ||||
11112 | case OMPD_cancellation_point: | ||||
11113 | case OMPD_flush: | ||||
11114 | case OMPD_depobj: | ||||
11115 | case OMPD_declare_reduction: | ||||
11116 | case OMPD_declare_mapper: | ||||
11117 | case OMPD_declare_simd: | ||||
11118 | case OMPD_declare_variant: | ||||
11119 | case OMPD_declare_target: | ||||
11120 | case OMPD_end_declare_target: | ||||
11121 | case OMPD_teams: | ||||
11122 | case OMPD_for: | ||||
11123 | case OMPD_sections: | ||||
11124 | case OMPD_section: | ||||
11125 | case OMPD_single: | ||||
11126 | case OMPD_master: | ||||
11127 | case OMPD_critical: | ||||
11128 | case OMPD_taskgroup: | ||||
11129 | case OMPD_distribute: | ||||
11130 | case OMPD_ordered: | ||||
11131 | case OMPD_atomic: | ||||
11132 | case OMPD_teams_distribute: | ||||
11133 | case OMPD_requires: | ||||
11134 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11134); | ||||
11135 | case OMPD_unknown: | ||||
11136 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11136); | ||||
11137 | } | ||||
11138 | break; | ||||
11139 | case OMPC_num_threads: | ||||
11140 | switch (DKind) { | ||||
11141 | case OMPD_target_parallel: | ||||
11142 | case OMPD_target_parallel_for: | ||||
11143 | case OMPD_target_parallel_for_simd: | ||||
11144 | CaptureRegion = OMPD_target; | ||||
11145 | break; | ||||
11146 | case OMPD_teams_distribute_parallel_for: | ||||
11147 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11148 | case OMPD_target_teams_distribute_parallel_for: | ||||
11149 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11150 | CaptureRegion = OMPD_teams; | ||||
11151 | break; | ||||
11152 | case OMPD_parallel: | ||||
11153 | case OMPD_parallel_master: | ||||
11154 | case OMPD_parallel_sections: | ||||
11155 | case OMPD_parallel_for: | ||||
11156 | case OMPD_parallel_for_simd: | ||||
11157 | case OMPD_distribute_parallel_for: | ||||
11158 | case OMPD_distribute_parallel_for_simd: | ||||
11159 | case OMPD_parallel_master_taskloop: | ||||
11160 | case OMPD_parallel_master_taskloop_simd: | ||||
11161 | // Do not capture num_threads-clause expressions. | ||||
11162 | break; | ||||
11163 | case OMPD_target_data: | ||||
11164 | case OMPD_target_enter_data: | ||||
11165 | case OMPD_target_exit_data: | ||||
11166 | case OMPD_target_update: | ||||
11167 | case OMPD_target: | ||||
11168 | case OMPD_target_simd: | ||||
11169 | case OMPD_target_teams: | ||||
11170 | case OMPD_target_teams_distribute: | ||||
11171 | case OMPD_target_teams_distribute_simd: | ||||
11172 | case OMPD_cancel: | ||||
11173 | case OMPD_task: | ||||
11174 | case OMPD_taskloop: | ||||
11175 | case OMPD_taskloop_simd: | ||||
11176 | case OMPD_master_taskloop: | ||||
11177 | case OMPD_master_taskloop_simd: | ||||
11178 | case OMPD_threadprivate: | ||||
11179 | case OMPD_allocate: | ||||
11180 | case OMPD_taskyield: | ||||
11181 | case OMPD_barrier: | ||||
11182 | case OMPD_taskwait: | ||||
11183 | case OMPD_cancellation_point: | ||||
11184 | case OMPD_flush: | ||||
11185 | case OMPD_depobj: | ||||
11186 | case OMPD_declare_reduction: | ||||
11187 | case OMPD_declare_mapper: | ||||
11188 | case OMPD_declare_simd: | ||||
11189 | case OMPD_declare_variant: | ||||
11190 | case OMPD_declare_target: | ||||
11191 | case OMPD_end_declare_target: | ||||
11192 | case OMPD_teams: | ||||
11193 | case OMPD_simd: | ||||
11194 | case OMPD_for: | ||||
11195 | case OMPD_for_simd: | ||||
11196 | case OMPD_sections: | ||||
11197 | case OMPD_section: | ||||
11198 | case OMPD_single: | ||||
11199 | case OMPD_master: | ||||
11200 | case OMPD_critical: | ||||
11201 | case OMPD_taskgroup: | ||||
11202 | case OMPD_distribute: | ||||
11203 | case OMPD_ordered: | ||||
11204 | case OMPD_atomic: | ||||
11205 | case OMPD_distribute_simd: | ||||
11206 | case OMPD_teams_distribute: | ||||
11207 | case OMPD_teams_distribute_simd: | ||||
11208 | case OMPD_requires: | ||||
11209 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_threads-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11209); | ||||
11210 | case OMPD_unknown: | ||||
11211 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11211); | ||||
11212 | } | ||||
11213 | break; | ||||
11214 | case OMPC_num_teams: | ||||
11215 | switch (DKind) { | ||||
11216 | case OMPD_target_teams: | ||||
11217 | case OMPD_target_teams_distribute: | ||||
11218 | case OMPD_target_teams_distribute_simd: | ||||
11219 | case OMPD_target_teams_distribute_parallel_for: | ||||
11220 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11221 | CaptureRegion = OMPD_target; | ||||
11222 | break; | ||||
11223 | case OMPD_teams_distribute_parallel_for: | ||||
11224 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11225 | case OMPD_teams: | ||||
11226 | case OMPD_teams_distribute: | ||||
11227 | case OMPD_teams_distribute_simd: | ||||
11228 | // Do not capture num_teams-clause expressions. | ||||
11229 | break; | ||||
11230 | case OMPD_distribute_parallel_for: | ||||
11231 | case OMPD_distribute_parallel_for_simd: | ||||
11232 | case OMPD_task: | ||||
11233 | case OMPD_taskloop: | ||||
11234 | case OMPD_taskloop_simd: | ||||
11235 | case OMPD_master_taskloop: | ||||
11236 | case OMPD_master_taskloop_simd: | ||||
11237 | case OMPD_parallel_master_taskloop: | ||||
11238 | case OMPD_parallel_master_taskloop_simd: | ||||
11239 | case OMPD_target_data: | ||||
11240 | case OMPD_target_enter_data: | ||||
11241 | case OMPD_target_exit_data: | ||||
11242 | case OMPD_target_update: | ||||
11243 | case OMPD_cancel: | ||||
11244 | case OMPD_parallel: | ||||
11245 | case OMPD_parallel_master: | ||||
11246 | case OMPD_parallel_sections: | ||||
11247 | case OMPD_parallel_for: | ||||
11248 | case OMPD_parallel_for_simd: | ||||
11249 | case OMPD_target: | ||||
11250 | case OMPD_target_simd: | ||||
11251 | case OMPD_target_parallel: | ||||
11252 | case OMPD_target_parallel_for: | ||||
11253 | case OMPD_target_parallel_for_simd: | ||||
11254 | case OMPD_threadprivate: | ||||
11255 | case OMPD_allocate: | ||||
11256 | case OMPD_taskyield: | ||||
11257 | case OMPD_barrier: | ||||
11258 | case OMPD_taskwait: | ||||
11259 | case OMPD_cancellation_point: | ||||
11260 | case OMPD_flush: | ||||
11261 | case OMPD_depobj: | ||||
11262 | case OMPD_declare_reduction: | ||||
11263 | case OMPD_declare_mapper: | ||||
11264 | case OMPD_declare_simd: | ||||
11265 | case OMPD_declare_variant: | ||||
11266 | case OMPD_declare_target: | ||||
11267 | case OMPD_end_declare_target: | ||||
11268 | case OMPD_simd: | ||||
11269 | case OMPD_for: | ||||
11270 | case OMPD_for_simd: | ||||
11271 | case OMPD_sections: | ||||
11272 | case OMPD_section: | ||||
11273 | case OMPD_single: | ||||
11274 | case OMPD_master: | ||||
11275 | case OMPD_critical: | ||||
11276 | case OMPD_taskgroup: | ||||
11277 | case OMPD_distribute: | ||||
11278 | case OMPD_ordered: | ||||
11279 | case OMPD_atomic: | ||||
11280 | case OMPD_distribute_simd: | ||||
11281 | case OMPD_requires: | ||||
11282 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11282); | ||||
11283 | case OMPD_unknown: | ||||
11284 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11284); | ||||
11285 | } | ||||
11286 | break; | ||||
11287 | case OMPC_thread_limit: | ||||
11288 | switch (DKind) { | ||||
11289 | case OMPD_target_teams: | ||||
11290 | case OMPD_target_teams_distribute: | ||||
11291 | case OMPD_target_teams_distribute_simd: | ||||
11292 | case OMPD_target_teams_distribute_parallel_for: | ||||
11293 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11294 | CaptureRegion = OMPD_target; | ||||
11295 | break; | ||||
11296 | case OMPD_teams_distribute_parallel_for: | ||||
11297 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11298 | case OMPD_teams: | ||||
11299 | case OMPD_teams_distribute: | ||||
11300 | case OMPD_teams_distribute_simd: | ||||
11301 | // Do not capture thread_limit-clause expressions. | ||||
11302 | break; | ||||
11303 | case OMPD_distribute_parallel_for: | ||||
11304 | case OMPD_distribute_parallel_for_simd: | ||||
11305 | case OMPD_task: | ||||
11306 | case OMPD_taskloop: | ||||
11307 | case OMPD_taskloop_simd: | ||||
11308 | case OMPD_master_taskloop: | ||||
11309 | case OMPD_master_taskloop_simd: | ||||
11310 | case OMPD_parallel_master_taskloop: | ||||
11311 | case OMPD_parallel_master_taskloop_simd: | ||||
11312 | case OMPD_target_data: | ||||
11313 | case OMPD_target_enter_data: | ||||
11314 | case OMPD_target_exit_data: | ||||
11315 | case OMPD_target_update: | ||||
11316 | case OMPD_cancel: | ||||
11317 | case OMPD_parallel: | ||||
11318 | case OMPD_parallel_master: | ||||
11319 | case OMPD_parallel_sections: | ||||
11320 | case OMPD_parallel_for: | ||||
11321 | case OMPD_parallel_for_simd: | ||||
11322 | case OMPD_target: | ||||
11323 | case OMPD_target_simd: | ||||
11324 | case OMPD_target_parallel: | ||||
11325 | case OMPD_target_parallel_for: | ||||
11326 | case OMPD_target_parallel_for_simd: | ||||
11327 | case OMPD_threadprivate: | ||||
11328 | case OMPD_allocate: | ||||
11329 | case OMPD_taskyield: | ||||
11330 | case OMPD_barrier: | ||||
11331 | case OMPD_taskwait: | ||||
11332 | case OMPD_cancellation_point: | ||||
11333 | case OMPD_flush: | ||||
11334 | case OMPD_depobj: | ||||
11335 | case OMPD_declare_reduction: | ||||
11336 | case OMPD_declare_mapper: | ||||
11337 | case OMPD_declare_simd: | ||||
11338 | case OMPD_declare_variant: | ||||
11339 | case OMPD_declare_target: | ||||
11340 | case OMPD_end_declare_target: | ||||
11341 | case OMPD_simd: | ||||
11342 | case OMPD_for: | ||||
11343 | case OMPD_for_simd: | ||||
11344 | case OMPD_sections: | ||||
11345 | case OMPD_section: | ||||
11346 | case OMPD_single: | ||||
11347 | case OMPD_master: | ||||
11348 | case OMPD_critical: | ||||
11349 | case OMPD_taskgroup: | ||||
11350 | case OMPD_distribute: | ||||
11351 | case OMPD_ordered: | ||||
11352 | case OMPD_atomic: | ||||
11353 | case OMPD_distribute_simd: | ||||
11354 | case OMPD_requires: | ||||
11355 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with thread_limit-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11355); | ||||
11356 | case OMPD_unknown: | ||||
11357 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11357); | ||||
11358 | } | ||||
11359 | break; | ||||
11360 | case OMPC_schedule: | ||||
11361 | switch (DKind) { | ||||
11362 | case OMPD_parallel_for: | ||||
11363 | case OMPD_parallel_for_simd: | ||||
11364 | case OMPD_distribute_parallel_for: | ||||
11365 | case OMPD_distribute_parallel_for_simd: | ||||
11366 | case OMPD_teams_distribute_parallel_for: | ||||
11367 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11368 | case OMPD_target_parallel_for: | ||||
11369 | case OMPD_target_parallel_for_simd: | ||||
11370 | case OMPD_target_teams_distribute_parallel_for: | ||||
11371 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11372 | CaptureRegion = OMPD_parallel; | ||||
11373 | break; | ||||
11374 | case OMPD_for: | ||||
11375 | case OMPD_for_simd: | ||||
11376 | // Do not capture schedule-clause expressions. | ||||
11377 | break; | ||||
11378 | case OMPD_task: | ||||
11379 | case OMPD_taskloop: | ||||
11380 | case OMPD_taskloop_simd: | ||||
11381 | case OMPD_master_taskloop: | ||||
11382 | case OMPD_master_taskloop_simd: | ||||
11383 | case OMPD_parallel_master_taskloop: | ||||
11384 | case OMPD_parallel_master_taskloop_simd: | ||||
11385 | case OMPD_target_data: | ||||
11386 | case OMPD_target_enter_data: | ||||
11387 | case OMPD_target_exit_data: | ||||
11388 | case OMPD_target_update: | ||||
11389 | case OMPD_teams: | ||||
11390 | case OMPD_teams_distribute: | ||||
11391 | case OMPD_teams_distribute_simd: | ||||
11392 | case OMPD_target_teams_distribute: | ||||
11393 | case OMPD_target_teams_distribute_simd: | ||||
11394 | case OMPD_target: | ||||
11395 | case OMPD_target_simd: | ||||
11396 | case OMPD_target_parallel: | ||||
11397 | case OMPD_cancel: | ||||
11398 | case OMPD_parallel: | ||||
11399 | case OMPD_parallel_master: | ||||
11400 | case OMPD_parallel_sections: | ||||
11401 | case OMPD_threadprivate: | ||||
11402 | case OMPD_allocate: | ||||
11403 | case OMPD_taskyield: | ||||
11404 | case OMPD_barrier: | ||||
11405 | case OMPD_taskwait: | ||||
11406 | case OMPD_cancellation_point: | ||||
11407 | case OMPD_flush: | ||||
11408 | case OMPD_depobj: | ||||
11409 | case OMPD_declare_reduction: | ||||
11410 | case OMPD_declare_mapper: | ||||
11411 | case OMPD_declare_simd: | ||||
11412 | case OMPD_declare_variant: | ||||
11413 | case OMPD_declare_target: | ||||
11414 | case OMPD_end_declare_target: | ||||
11415 | case OMPD_simd: | ||||
11416 | case OMPD_sections: | ||||
11417 | case OMPD_section: | ||||
11418 | case OMPD_single: | ||||
11419 | case OMPD_master: | ||||
11420 | case OMPD_critical: | ||||
11421 | case OMPD_taskgroup: | ||||
11422 | case OMPD_distribute: | ||||
11423 | case OMPD_ordered: | ||||
11424 | case OMPD_atomic: | ||||
11425 | case OMPD_distribute_simd: | ||||
11426 | case OMPD_target_teams: | ||||
11427 | case OMPD_requires: | ||||
11428 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11428); | ||||
11429 | case OMPD_unknown: | ||||
11430 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11430); | ||||
11431 | } | ||||
11432 | break; | ||||
11433 | case OMPC_dist_schedule: | ||||
11434 | switch (DKind) { | ||||
11435 | case OMPD_teams_distribute_parallel_for: | ||||
11436 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11437 | case OMPD_teams_distribute: | ||||
11438 | case OMPD_teams_distribute_simd: | ||||
11439 | case OMPD_target_teams_distribute_parallel_for: | ||||
11440 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11441 | case OMPD_target_teams_distribute: | ||||
11442 | case OMPD_target_teams_distribute_simd: | ||||
11443 | CaptureRegion = OMPD_teams; | ||||
11444 | break; | ||||
11445 | case OMPD_distribute_parallel_for: | ||||
11446 | case OMPD_distribute_parallel_for_simd: | ||||
11447 | case OMPD_distribute: | ||||
11448 | case OMPD_distribute_simd: | ||||
11449 | // Do not capture thread_limit-clause expressions. | ||||
11450 | break; | ||||
11451 | case OMPD_parallel_for: | ||||
11452 | case OMPD_parallel_for_simd: | ||||
11453 | case OMPD_target_parallel_for_simd: | ||||
11454 | case OMPD_target_parallel_for: | ||||
11455 | case OMPD_task: | ||||
11456 | case OMPD_taskloop: | ||||
11457 | case OMPD_taskloop_simd: | ||||
11458 | case OMPD_master_taskloop: | ||||
11459 | case OMPD_master_taskloop_simd: | ||||
11460 | case OMPD_parallel_master_taskloop: | ||||
11461 | case OMPD_parallel_master_taskloop_simd: | ||||
11462 | case OMPD_target_data: | ||||
11463 | case OMPD_target_enter_data: | ||||
11464 | case OMPD_target_exit_data: | ||||
11465 | case OMPD_target_update: | ||||
11466 | case OMPD_teams: | ||||
11467 | case OMPD_target: | ||||
11468 | case OMPD_target_simd: | ||||
11469 | case OMPD_target_parallel: | ||||
11470 | case OMPD_cancel: | ||||
11471 | case OMPD_parallel: | ||||
11472 | case OMPD_parallel_master: | ||||
11473 | case OMPD_parallel_sections: | ||||
11474 | case OMPD_threadprivate: | ||||
11475 | case OMPD_allocate: | ||||
11476 | case OMPD_taskyield: | ||||
11477 | case OMPD_barrier: | ||||
11478 | case OMPD_taskwait: | ||||
11479 | case OMPD_cancellation_point: | ||||
11480 | case OMPD_flush: | ||||
11481 | case OMPD_depobj: | ||||
11482 | case OMPD_declare_reduction: | ||||
11483 | case OMPD_declare_mapper: | ||||
11484 | case OMPD_declare_simd: | ||||
11485 | case OMPD_declare_variant: | ||||
11486 | case OMPD_declare_target: | ||||
11487 | case OMPD_end_declare_target: | ||||
11488 | case OMPD_simd: | ||||
11489 | case OMPD_for: | ||||
11490 | case OMPD_for_simd: | ||||
11491 | case OMPD_sections: | ||||
11492 | case OMPD_section: | ||||
11493 | case OMPD_single: | ||||
11494 | case OMPD_master: | ||||
11495 | case OMPD_critical: | ||||
11496 | case OMPD_taskgroup: | ||||
11497 | case OMPD_ordered: | ||||
11498 | case OMPD_atomic: | ||||
11499 | case OMPD_target_teams: | ||||
11500 | case OMPD_requires: | ||||
11501 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11501); | ||||
11502 | case OMPD_unknown: | ||||
11503 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11503); | ||||
11504 | } | ||||
11505 | break; | ||||
11506 | case OMPC_device: | ||||
11507 | switch (DKind) { | ||||
11508 | case OMPD_target_update: | ||||
11509 | case OMPD_target_enter_data: | ||||
11510 | case OMPD_target_exit_data: | ||||
11511 | case OMPD_target: | ||||
11512 | case OMPD_target_simd: | ||||
11513 | case OMPD_target_teams: | ||||
11514 | case OMPD_target_parallel: | ||||
11515 | case OMPD_target_teams_distribute: | ||||
11516 | case OMPD_target_teams_distribute_simd: | ||||
11517 | case OMPD_target_parallel_for: | ||||
11518 | case OMPD_target_parallel_for_simd: | ||||
11519 | case OMPD_target_teams_distribute_parallel_for: | ||||
11520 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11521 | CaptureRegion = OMPD_task; | ||||
11522 | break; | ||||
11523 | case OMPD_target_data: | ||||
11524 | // Do not capture device-clause expressions. | ||||
11525 | break; | ||||
11526 | case OMPD_teams_distribute_parallel_for: | ||||
11527 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11528 | case OMPD_teams: | ||||
11529 | case OMPD_teams_distribute: | ||||
11530 | case OMPD_teams_distribute_simd: | ||||
11531 | case OMPD_distribute_parallel_for: | ||||
11532 | case OMPD_distribute_parallel_for_simd: | ||||
11533 | case OMPD_task: | ||||
11534 | case OMPD_taskloop: | ||||
11535 | case OMPD_taskloop_simd: | ||||
11536 | case OMPD_master_taskloop: | ||||
11537 | case OMPD_master_taskloop_simd: | ||||
11538 | case OMPD_parallel_master_taskloop: | ||||
11539 | case OMPD_parallel_master_taskloop_simd: | ||||
11540 | case OMPD_cancel: | ||||
11541 | case OMPD_parallel: | ||||
11542 | case OMPD_parallel_master: | ||||
11543 | case OMPD_parallel_sections: | ||||
11544 | case OMPD_parallel_for: | ||||
11545 | case OMPD_parallel_for_simd: | ||||
11546 | case OMPD_threadprivate: | ||||
11547 | case OMPD_allocate: | ||||
11548 | case OMPD_taskyield: | ||||
11549 | case OMPD_barrier: | ||||
11550 | case OMPD_taskwait: | ||||
11551 | case OMPD_cancellation_point: | ||||
11552 | case OMPD_flush: | ||||
11553 | case OMPD_depobj: | ||||
11554 | case OMPD_declare_reduction: | ||||
11555 | case OMPD_declare_mapper: | ||||
11556 | case OMPD_declare_simd: | ||||
11557 | case OMPD_declare_variant: | ||||
11558 | case OMPD_declare_target: | ||||
11559 | case OMPD_end_declare_target: | ||||
11560 | case OMPD_simd: | ||||
11561 | case OMPD_for: | ||||
11562 | case OMPD_for_simd: | ||||
11563 | case OMPD_sections: | ||||
11564 | case OMPD_section: | ||||
11565 | case OMPD_single: | ||||
11566 | case OMPD_master: | ||||
11567 | case OMPD_critical: | ||||
11568 | case OMPD_taskgroup: | ||||
11569 | case OMPD_distribute: | ||||
11570 | case OMPD_ordered: | ||||
11571 | case OMPD_atomic: | ||||
11572 | case OMPD_distribute_simd: | ||||
11573 | case OMPD_requires: | ||||
11574 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11574); | ||||
11575 | case OMPD_unknown: | ||||
11576 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11576); | ||||
11577 | } | ||||
11578 | break; | ||||
11579 | case OMPC_grainsize: | ||||
11580 | case OMPC_num_tasks: | ||||
11581 | case OMPC_final: | ||||
11582 | case OMPC_priority: | ||||
11583 | switch (DKind) { | ||||
11584 | case OMPD_task: | ||||
11585 | case OMPD_taskloop: | ||||
11586 | case OMPD_taskloop_simd: | ||||
11587 | case OMPD_master_taskloop: | ||||
11588 | case OMPD_master_taskloop_simd: | ||||
11589 | break; | ||||
11590 | case OMPD_parallel_master_taskloop: | ||||
11591 | case OMPD_parallel_master_taskloop_simd: | ||||
11592 | CaptureRegion = OMPD_parallel; | ||||
11593 | break; | ||||
11594 | case OMPD_target_update: | ||||
11595 | case OMPD_target_enter_data: | ||||
11596 | case OMPD_target_exit_data: | ||||
11597 | case OMPD_target: | ||||
11598 | case OMPD_target_simd: | ||||
11599 | case OMPD_target_teams: | ||||
11600 | case OMPD_target_parallel: | ||||
11601 | case OMPD_target_teams_distribute: | ||||
11602 | case OMPD_target_teams_distribute_simd: | ||||
11603 | case OMPD_target_parallel_for: | ||||
11604 | case OMPD_target_parallel_for_simd: | ||||
11605 | case OMPD_target_teams_distribute_parallel_for: | ||||
11606 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||
11607 | case OMPD_target_data: | ||||
11608 | case OMPD_teams_distribute_parallel_for: | ||||
11609 | case OMPD_teams_distribute_parallel_for_simd: | ||||
11610 | case OMPD_teams: | ||||
11611 | case OMPD_teams_distribute: | ||||
11612 | case OMPD_teams_distribute_simd: | ||||
11613 | case OMPD_distribute_parallel_for: | ||||
11614 | case OMPD_distribute_parallel_for_simd: | ||||
11615 | case OMPD_cancel: | ||||
11616 | case OMPD_parallel: | ||||
11617 | case OMPD_parallel_master: | ||||
11618 | case OMPD_parallel_sections: | ||||
11619 | case OMPD_parallel_for: | ||||
11620 | case OMPD_parallel_for_simd: | ||||
11621 | case OMPD_threadprivate: | ||||
11622 | case OMPD_allocate: | ||||
11623 | case OMPD_taskyield: | ||||
11624 | case OMPD_barrier: | ||||
11625 | case OMPD_taskwait: | ||||
11626 | case OMPD_cancellation_point: | ||||
11627 | case OMPD_flush: | ||||
11628 | case OMPD_depobj: | ||||
11629 | case OMPD_declare_reduction: | ||||
11630 | case OMPD_declare_mapper: | ||||
11631 | case OMPD_declare_simd: | ||||
11632 | case OMPD_declare_variant: | ||||
11633 | case OMPD_declare_target: | ||||
11634 | case OMPD_end_declare_target: | ||||
11635 | case OMPD_simd: | ||||
11636 | case OMPD_for: | ||||
11637 | case OMPD_for_simd: | ||||
11638 | case OMPD_sections: | ||||
11639 | case OMPD_section: | ||||
11640 | case OMPD_single: | ||||
11641 | case OMPD_master: | ||||
11642 | case OMPD_critical: | ||||
11643 | case OMPD_taskgroup: | ||||
11644 | case OMPD_distribute: | ||||
11645 | case OMPD_ordered: | ||||
11646 | case OMPD_atomic: | ||||
11647 | case OMPD_distribute_simd: | ||||
11648 | case OMPD_requires: | ||||
11649 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with grainsize-clause" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11649); | ||||
11650 | case OMPD_unknown: | ||||
11651 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11651); | ||||
11652 | } | ||||
11653 | break; | ||||
11654 | case OMPC_firstprivate: | ||||
11655 | case OMPC_lastprivate: | ||||
11656 | case OMPC_reduction: | ||||
11657 | case OMPC_task_reduction: | ||||
11658 | case OMPC_in_reduction: | ||||
11659 | case OMPC_linear: | ||||
11660 | case OMPC_default: | ||||
11661 | case OMPC_proc_bind: | ||||
11662 | case OMPC_safelen: | ||||
11663 | case OMPC_simdlen: | ||||
11664 | case OMPC_allocator: | ||||
11665 | case OMPC_collapse: | ||||
11666 | case OMPC_private: | ||||
11667 | case OMPC_shared: | ||||
11668 | case OMPC_aligned: | ||||
11669 | case OMPC_copyin: | ||||
11670 | case OMPC_copyprivate: | ||||
11671 | case OMPC_ordered: | ||||
11672 | case OMPC_nowait: | ||||
11673 | case OMPC_untied: | ||||
11674 | case OMPC_mergeable: | ||||
11675 | case OMPC_threadprivate: | ||||
11676 | case OMPC_allocate: | ||||
11677 | case OMPC_flush: | ||||
11678 | case OMPC_depobj: | ||||
11679 | case OMPC_read: | ||||
11680 | case OMPC_write: | ||||
11681 | case OMPC_update: | ||||
11682 | case OMPC_capture: | ||||
11683 | case OMPC_seq_cst: | ||||
11684 | case OMPC_acq_rel: | ||||
11685 | case OMPC_acquire: | ||||
11686 | case OMPC_release: | ||||
11687 | case OMPC_relaxed: | ||||
11688 | case OMPC_depend: | ||||
11689 | case OMPC_threads: | ||||
11690 | case OMPC_simd: | ||||
11691 | case OMPC_map: | ||||
11692 | case OMPC_nogroup: | ||||
11693 | case OMPC_hint: | ||||
11694 | case OMPC_defaultmap: | ||||
11695 | case OMPC_unknown: | ||||
11696 | case OMPC_uniform: | ||||
11697 | case OMPC_to: | ||||
11698 | case OMPC_from: | ||||
11699 | case OMPC_use_device_ptr: | ||||
11700 | case OMPC_is_device_ptr: | ||||
11701 | case OMPC_unified_address: | ||||
11702 | case OMPC_unified_shared_memory: | ||||
11703 | case OMPC_reverse_offload: | ||||
11704 | case OMPC_dynamic_allocators: | ||||
11705 | case OMPC_atomic_default_mem_order: | ||||
11706 | case OMPC_device_type: | ||||
11707 | case OMPC_match: | ||||
11708 | case OMPC_nontemporal: | ||||
11709 | case OMPC_order: | ||||
11710 | case OMPC_destroy: | ||||
11711 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11711); | ||||
11712 | } | ||||
11713 | return CaptureRegion; | ||||
11714 | } | ||||
11715 | |||||
11716 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | ||||
11717 | Expr *Condition, SourceLocation StartLoc, | ||||
11718 | SourceLocation LParenLoc, | ||||
11719 | SourceLocation NameModifierLoc, | ||||
11720 | SourceLocation ColonLoc, | ||||
11721 | SourceLocation EndLoc) { | ||||
11722 | Expr *ValExpr = Condition; | ||||
11723 | Stmt *HelperValStmt = nullptr; | ||||
11724 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
11725 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||
11726 | !Condition->isInstantiationDependent() && | ||||
11727 | !Condition->containsUnexpandedParameterPack()) { | ||||
11728 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||
11729 | if (Val.isInvalid()) | ||||
11730 | return nullptr; | ||||
11731 | |||||
11732 | ValExpr = Val.get(); | ||||
11733 | |||||
11734 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
11735 | CaptureRegion = getOpenMPCaptureRegionForClause( | ||||
11736 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); | ||||
11737 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
11738 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
11739 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
11740 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
11741 | HelperValStmt = buildPreInits(Context, Captures); | ||||
11742 | } | ||||
11743 | } | ||||
11744 | |||||
11745 | return new (Context) | ||||
11746 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | ||||
11747 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | ||||
11748 | } | ||||
11749 | |||||
11750 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | ||||
11751 | SourceLocation StartLoc, | ||||
11752 | SourceLocation LParenLoc, | ||||
11753 | SourceLocation EndLoc) { | ||||
11754 | Expr *ValExpr = Condition; | ||||
11755 | Stmt *HelperValStmt = nullptr; | ||||
11756 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
11757 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||
11758 | !Condition->isInstantiationDependent() && | ||||
11759 | !Condition->containsUnexpandedParameterPack()) { | ||||
11760 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||
11761 | if (Val.isInvalid()) | ||||
11762 | return nullptr; | ||||
11763 | |||||
11764 | ValExpr = MakeFullExpr(Val.get()).get(); | ||||
11765 | |||||
11766 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
11767 | CaptureRegion = | ||||
11768 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); | ||||
11769 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
11770 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
11771 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
11772 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
11773 | HelperValStmt = buildPreInits(Context, Captures); | ||||
11774 | } | ||||
11775 | } | ||||
11776 | |||||
11777 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
11778 | StartLoc, LParenLoc, EndLoc); | ||||
11779 | } | ||||
11780 | |||||
11781 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | ||||
11782 | Expr *Op) { | ||||
11783 | if (!Op) | ||||
11784 | return ExprError(); | ||||
11785 | |||||
11786 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | ||||
11787 | public: | ||||
11788 | IntConvertDiagnoser() | ||||
11789 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | ||||
11790 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | ||||
11791 | QualType T) override { | ||||
11792 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | ||||
11793 | } | ||||
11794 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | ||||
11795 | QualType T) override { | ||||
11796 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | ||||
11797 | } | ||||
11798 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | ||||
11799 | QualType T, | ||||
11800 | QualType ConvTy) override { | ||||
11801 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | ||||
11802 | } | ||||
11803 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | ||||
11804 | QualType ConvTy) override { | ||||
11805 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||
11806 | << ConvTy->isEnumeralType() << ConvTy; | ||||
11807 | } | ||||
11808 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | ||||
11809 | QualType T) override { | ||||
11810 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | ||||
11811 | } | ||||
11812 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | ||||
11813 | QualType ConvTy) override { | ||||
11814 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||
11815 | << ConvTy->isEnumeralType() << ConvTy; | ||||
11816 | } | ||||
11817 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | ||||
11818 | QualType) override { | ||||
11819 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 11819); | ||||
11820 | } | ||||
11821 | } ConvertDiagnoser; | ||||
11822 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | ||||
11823 | } | ||||
11824 | |||||
11825 | static bool | ||||
11826 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, | ||||
11827 | bool StrictlyPositive, bool BuildCapture = false, | ||||
11828 | OpenMPDirectiveKind DKind = OMPD_unknown, | ||||
11829 | OpenMPDirectiveKind *CaptureRegion = nullptr, | ||||
11830 | Stmt **HelperValStmt = nullptr) { | ||||
11831 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | ||||
11832 | !ValExpr->isInstantiationDependent()) { | ||||
11833 | SourceLocation Loc = ValExpr->getExprLoc(); | ||||
11834 | ExprResult Value = | ||||
11835 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | ||||
11836 | if (Value.isInvalid()) | ||||
11837 | return false; | ||||
11838 | |||||
11839 | ValExpr = Value.get(); | ||||
11840 | // The expression must evaluate to a non-negative integer value. | ||||
11841 | llvm::APSInt Result; | ||||
11842 | if (ValExpr->isIntegerConstantExpr(Result, SemaRef.Context) && | ||||
11843 | Result.isSigned() && | ||||
11844 | !((!StrictlyPositive && Result.isNonNegative()) || | ||||
11845 | (StrictlyPositive && Result.isStrictlyPositive()))) { | ||||
11846 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | ||||
11847 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||
11848 | << ValExpr->getSourceRange(); | ||||
11849 | return false; | ||||
11850 | } | ||||
11851 | if (!BuildCapture) | ||||
11852 | return true; | ||||
11853 | *CaptureRegion = | ||||
11854 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); | ||||
11855 | if (*CaptureRegion != OMPD_unknown && | ||||
11856 | !SemaRef.CurContext->isDependentContext()) { | ||||
11857 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); | ||||
11858 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
11859 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); | ||||
11860 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); | ||||
11861 | } | ||||
11862 | } | ||||
11863 | return true; | ||||
11864 | } | ||||
11865 | |||||
11866 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | ||||
11867 | SourceLocation StartLoc, | ||||
11868 | SourceLocation LParenLoc, | ||||
11869 | SourceLocation EndLoc) { | ||||
11870 | Expr *ValExpr = NumThreads; | ||||
11871 | Stmt *HelperValStmt = nullptr; | ||||
11872 | |||||
11873 | // OpenMP [2.5, Restrictions] | ||||
11874 | // The num_threads expression must evaluate to a positive integer value. | ||||
11875 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | ||||
11876 | /*StrictlyPositive=*/true)) | ||||
11877 | return nullptr; | ||||
11878 | |||||
11879 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
11880 | OpenMPDirectiveKind CaptureRegion = | ||||
11881 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); | ||||
11882 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
11883 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
11884 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
11885 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
11886 | HelperValStmt = buildPreInits(Context, Captures); | ||||
11887 | } | ||||
11888 | |||||
11889 | return new (Context) OMPNumThreadsClause( | ||||
11890 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||
11891 | } | ||||
11892 | |||||
11893 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | ||||
11894 | OpenMPClauseKind CKind, | ||||
11895 | bool StrictlyPositive) { | ||||
11896 | if (!E) | ||||
11897 | return ExprError(); | ||||
11898 | if (E->isValueDependent() || E->isTypeDependent() || | ||||
11899 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||
11900 | return E; | ||||
11901 | llvm::APSInt Result; | ||||
11902 | ExprResult ICE = VerifyIntegerConstantExpression(E, &Result); | ||||
11903 | if (ICE.isInvalid()) | ||||
11904 | return ExprError(); | ||||
11905 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | ||||
11906 | (!StrictlyPositive && !Result.isNonNegative())) { | ||||
11907 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | ||||
11908 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||
11909 | << E->getSourceRange(); | ||||
11910 | return ExprError(); | ||||
11911 | } | ||||
11912 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | ||||
11913 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | ||||
11914 | << E->getSourceRange(); | ||||
11915 | return ExprError(); | ||||
11916 | } | ||||
11917 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | ||||
11918 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||
11919 | else if (CKind == OMPC_ordered) | ||||
11920 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||
11921 | return ICE; | ||||
11922 | } | ||||
11923 | |||||
11924 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | ||||
11925 | SourceLocation LParenLoc, | ||||
11926 | SourceLocation EndLoc) { | ||||
11927 | // OpenMP [2.8.1, simd construct, Description] | ||||
11928 | // The parameter of the safelen clause must be a constant | ||||
11929 | // positive integer expression. | ||||
11930 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | ||||
11931 | if (Safelen.isInvalid()) | ||||
11932 | return nullptr; | ||||
11933 | return new (Context) | ||||
11934 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | ||||
11935 | } | ||||
11936 | |||||
11937 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | ||||
11938 | SourceLocation LParenLoc, | ||||
11939 | SourceLocation EndLoc) { | ||||
11940 | // OpenMP [2.8.1, simd construct, Description] | ||||
11941 | // The parameter of the simdlen clause must be a constant | ||||
11942 | // positive integer expression. | ||||
11943 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | ||||
11944 | if (Simdlen.isInvalid()) | ||||
11945 | return nullptr; | ||||
11946 | return new (Context) | ||||
11947 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | ||||
11948 | } | ||||
11949 | |||||
11950 | /// Tries to find omp_allocator_handle_t type. | ||||
11951 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, | ||||
11952 | DSAStackTy *Stack) { | ||||
11953 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); | ||||
11954 | if (!OMPAllocatorHandleT.isNull()) | ||||
11955 | return true; | ||||
11956 | // Build the predefined allocator expressions. | ||||
11957 | bool ErrorFound = false; | ||||
11958 | for (int I = OMPAllocateDeclAttr::OMPDefaultMemAlloc; | ||||
11959 | I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||
11960 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||
11961 | StringRef Allocator = | ||||
11962 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | ||||
11963 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); | ||||
11964 | auto *VD = dyn_cast_or_null<ValueDecl>( | ||||
11965 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); | ||||
11966 | if (!VD) { | ||||
11967 | ErrorFound = true; | ||||
11968 | break; | ||||
11969 | } | ||||
11970 | QualType AllocatorType = | ||||
11971 | VD->getType().getNonLValueExprType(S.getASTContext()); | ||||
11972 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); | ||||
11973 | if (!Res.isUsable()) { | ||||
11974 | ErrorFound = true; | ||||
11975 | break; | ||||
11976 | } | ||||
11977 | if (OMPAllocatorHandleT.isNull()) | ||||
11978 | OMPAllocatorHandleT = AllocatorType; | ||||
11979 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { | ||||
11980 | ErrorFound = true; | ||||
11981 | break; | ||||
11982 | } | ||||
11983 | Stack->setAllocator(AllocatorKind, Res.get()); | ||||
11984 | } | ||||
11985 | if (ErrorFound) { | ||||
11986 | S.Diag(Loc, diag::err_omp_implied_type_not_found) | ||||
11987 | << "omp_allocator_handle_t"; | ||||
11988 | return false; | ||||
11989 | } | ||||
11990 | OMPAllocatorHandleT.addConst(); | ||||
11991 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); | ||||
11992 | return true; | ||||
11993 | } | ||||
11994 | |||||
11995 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, | ||||
11996 | SourceLocation LParenLoc, | ||||
11997 | SourceLocation EndLoc) { | ||||
11998 | // OpenMP [2.11.3, allocate Directive, Description] | ||||
11999 | // allocator is an expression of omp_allocator_handle_t type. | ||||
12000 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
12001 | return nullptr; | ||||
12002 | |||||
12003 | ExprResult Allocator = DefaultLvalueConversion(A); | ||||
12004 | if (Allocator.isInvalid()) | ||||
12005 | return nullptr; | ||||
12006 | Allocator = PerformImplicitConversion(Allocator.get(), | ||||
12007 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||
12008 | Sema::AA_Initializing, | ||||
12009 | /*AllowExplicit=*/true); | ||||
12010 | if (Allocator.isInvalid()) | ||||
12011 | return nullptr; | ||||
12012 | return new (Context) | ||||
12013 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); | ||||
12014 | } | ||||
12015 | |||||
12016 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | ||||
12017 | SourceLocation StartLoc, | ||||
12018 | SourceLocation LParenLoc, | ||||
12019 | SourceLocation EndLoc) { | ||||
12020 | // OpenMP [2.7.1, loop construct, Description] | ||||
12021 | // OpenMP [2.8.1, simd construct, Description] | ||||
12022 | // OpenMP [2.9.6, distribute construct, Description] | ||||
12023 | // The parameter of the collapse clause must be a constant | ||||
12024 | // positive integer expression. | ||||
12025 | ExprResult NumForLoopsResult = | ||||
12026 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | ||||
12027 | if (NumForLoopsResult.isInvalid()) | ||||
12028 | return nullptr; | ||||
12029 | return new (Context) | ||||
12030 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | ||||
12031 | } | ||||
12032 | |||||
12033 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | ||||
12034 | SourceLocation EndLoc, | ||||
12035 | SourceLocation LParenLoc, | ||||
12036 | Expr *NumForLoops) { | ||||
12037 | // OpenMP [2.7.1, loop construct, Description] | ||||
12038 | // OpenMP [2.8.1, simd construct, Description] | ||||
12039 | // OpenMP [2.9.6, distribute construct, Description] | ||||
12040 | // The parameter of the ordered clause must be a constant | ||||
12041 | // positive integer expression if any. | ||||
12042 | if (NumForLoops && LParenLoc.isValid()) { | ||||
12043 | ExprResult NumForLoopsResult = | ||||
12044 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | ||||
12045 | if (NumForLoopsResult.isInvalid()) | ||||
12046 | return nullptr; | ||||
12047 | NumForLoops = NumForLoopsResult.get(); | ||||
12048 | } else { | ||||
12049 | NumForLoops = nullptr; | ||||
12050 | } | ||||
12051 | auto *Clause = OMPOrderedClause::Create( | ||||
12052 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, | ||||
12053 | StartLoc, LParenLoc, EndLoc); | ||||
12054 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); | ||||
12055 | return Clause; | ||||
12056 | } | ||||
12057 | |||||
12058 | OMPClause *Sema::ActOnOpenMPSimpleClause( | ||||
12059 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | ||||
12060 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
12061 | OMPClause *Res = nullptr; | ||||
12062 | switch (Kind) { | ||||
12063 | case OMPC_default: | ||||
12064 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), | ||||
12065 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12066 | break; | ||||
12067 | case OMPC_proc_bind: | ||||
12068 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), | ||||
12069 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12070 | break; | ||||
12071 | case OMPC_atomic_default_mem_order: | ||||
12072 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( | ||||
12073 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), | ||||
12074 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12075 | break; | ||||
12076 | case OMPC_order: | ||||
12077 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), | ||||
12078 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12079 | break; | ||||
12080 | case OMPC_update: | ||||
12081 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), | ||||
12082 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||
12083 | break; | ||||
12084 | case OMPC_if: | ||||
12085 | case OMPC_final: | ||||
12086 | case OMPC_num_threads: | ||||
12087 | case OMPC_safelen: | ||||
12088 | case OMPC_simdlen: | ||||
12089 | case OMPC_allocator: | ||||
12090 | case OMPC_collapse: | ||||
12091 | case OMPC_schedule: | ||||
12092 | case OMPC_private: | ||||
12093 | case OMPC_firstprivate: | ||||
12094 | case OMPC_lastprivate: | ||||
12095 | case OMPC_shared: | ||||
12096 | case OMPC_reduction: | ||||
12097 | case OMPC_task_reduction: | ||||
12098 | case OMPC_in_reduction: | ||||
12099 | case OMPC_linear: | ||||
12100 | case OMPC_aligned: | ||||
12101 | case OMPC_copyin: | ||||
12102 | case OMPC_copyprivate: | ||||
12103 | case OMPC_ordered: | ||||
12104 | case OMPC_nowait: | ||||
12105 | case OMPC_untied: | ||||
12106 | case OMPC_mergeable: | ||||
12107 | case OMPC_threadprivate: | ||||
12108 | case OMPC_allocate: | ||||
12109 | case OMPC_flush: | ||||
12110 | case OMPC_depobj: | ||||
12111 | case OMPC_read: | ||||
12112 | case OMPC_write: | ||||
12113 | case OMPC_capture: | ||||
12114 | case OMPC_seq_cst: | ||||
12115 | case OMPC_acq_rel: | ||||
12116 | case OMPC_acquire: | ||||
12117 | case OMPC_release: | ||||
12118 | case OMPC_relaxed: | ||||
12119 | case OMPC_depend: | ||||
12120 | case OMPC_device: | ||||
12121 | case OMPC_threads: | ||||
12122 | case OMPC_simd: | ||||
12123 | case OMPC_map: | ||||
12124 | case OMPC_num_teams: | ||||
12125 | case OMPC_thread_limit: | ||||
12126 | case OMPC_priority: | ||||
12127 | case OMPC_grainsize: | ||||
12128 | case OMPC_nogroup: | ||||
12129 | case OMPC_num_tasks: | ||||
12130 | case OMPC_hint: | ||||
12131 | case OMPC_dist_schedule: | ||||
12132 | case OMPC_defaultmap: | ||||
12133 | case OMPC_unknown: | ||||
12134 | case OMPC_uniform: | ||||
12135 | case OMPC_to: | ||||
12136 | case OMPC_from: | ||||
12137 | case OMPC_use_device_ptr: | ||||
12138 | case OMPC_is_device_ptr: | ||||
12139 | case OMPC_unified_address: | ||||
12140 | case OMPC_unified_shared_memory: | ||||
12141 | case OMPC_reverse_offload: | ||||
12142 | case OMPC_dynamic_allocators: | ||||
12143 | case OMPC_device_type: | ||||
12144 | case OMPC_match: | ||||
12145 | case OMPC_nontemporal: | ||||
12146 | case OMPC_destroy: | ||||
12147 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12147); | ||||
12148 | } | ||||
12149 | return Res; | ||||
12150 | } | ||||
12151 | |||||
12152 | static std::string | ||||
12153 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | ||||
12154 | ArrayRef<unsigned> Exclude = llvm::None) { | ||||
12155 | SmallString<256> Buffer; | ||||
12156 | llvm::raw_svector_ostream Out(Buffer); | ||||
12157 | unsigned Skipped = Exclude.size(); | ||||
12158 | auto S = Exclude.begin(), E = Exclude.end(); | ||||
12159 | for (unsigned I = First; I < Last; ++I) { | ||||
12160 | if (std::find(S, E, I) != E) { | ||||
12161 | --Skipped; | ||||
12162 | continue; | ||||
12163 | } | ||||
12164 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; | ||||
12165 | if (I + Skipped + 2 == Last) | ||||
12166 | Out << " or "; | ||||
12167 | else if (I + Skipped + 1 != Last) | ||||
12168 | Out << ", "; | ||||
12169 | } | ||||
12170 | return std::string(Out.str()); | ||||
12171 | } | ||||
12172 | |||||
12173 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, | ||||
12174 | SourceLocation KindKwLoc, | ||||
12175 | SourceLocation StartLoc, | ||||
12176 | SourceLocation LParenLoc, | ||||
12177 | SourceLocation EndLoc) { | ||||
12178 | if (Kind == OMP_DEFAULT_unknown) { | ||||
12179 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
12180 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | ||||
12181 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) | ||||
12182 | << getOpenMPClauseName(OMPC_default); | ||||
12183 | return nullptr; | ||||
12184 | } | ||||
12185 | if (Kind == OMP_DEFAULT_none) | ||||
12186 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | ||||
12187 | else if (Kind == OMP_DEFAULT_shared) | ||||
12188 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | ||||
12189 | |||||
12190 | return new (Context) | ||||
12191 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
12192 | } | ||||
12193 | |||||
12194 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, | ||||
12195 | SourceLocation KindKwLoc, | ||||
12196 | SourceLocation StartLoc, | ||||
12197 | SourceLocation LParenLoc, | ||||
12198 | SourceLocation EndLoc) { | ||||
12199 | if (Kind == OMP_PROC_BIND_unknown) { | ||||
12200 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
12201 | << getListOfPossibleValues(OMPC_proc_bind, | ||||
12202 | /*First=*/unsigned(OMP_PROC_BIND_master), | ||||
12203 | /*Last=*/5) | ||||
12204 | << getOpenMPClauseName(OMPC_proc_bind); | ||||
12205 | return nullptr; | ||||
12206 | } | ||||
12207 | return new (Context) | ||||
12208 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
12209 | } | ||||
12210 | |||||
12211 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( | ||||
12212 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, | ||||
12213 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
12214 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { | ||||
12215 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
12216 | << getListOfPossibleValues( | ||||
12217 | OMPC_atomic_default_mem_order, /*First=*/0, | ||||
12218 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) | ||||
12219 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); | ||||
12220 | return nullptr; | ||||
12221 | } | ||||
12222 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, | ||||
12223 | LParenLoc, EndLoc); | ||||
12224 | } | ||||
12225 | |||||
12226 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, | ||||
12227 | SourceLocation KindKwLoc, | ||||
12228 | SourceLocation StartLoc, | ||||
12229 | SourceLocation LParenLoc, | ||||
12230 | SourceLocation EndLoc) { | ||||
12231 | if (Kind == OMPC_ORDER_unknown) { | ||||
12232 | static_assert(OMPC_ORDER_unknown > 0, | ||||
12233 | "OMPC_ORDER_unknown not greater than 0"); | ||||
12234 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
12235 | << getListOfPossibleValues(OMPC_order, /*First=*/0, | ||||
12236 | /*Last=*/OMPC_ORDER_unknown) | ||||
12237 | << getOpenMPClauseName(OMPC_order); | ||||
12238 | return nullptr; | ||||
12239 | } | ||||
12240 | return new (Context) | ||||
12241 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||
12242 | } | ||||
12243 | |||||
12244 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, | ||||
12245 | SourceLocation KindKwLoc, | ||||
12246 | SourceLocation StartLoc, | ||||
12247 | SourceLocation LParenLoc, | ||||
12248 | SourceLocation EndLoc) { | ||||
12249 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || | ||||
12250 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { | ||||
12251 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink, | ||||
12252 | OMPC_DEPEND_depobj}; | ||||
12253 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||
12254 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||
12255 | /*Last=*/OMPC_DEPEND_unknown, Except) | ||||
12256 | << getOpenMPClauseName(OMPC_update); | ||||
12257 | return nullptr; | ||||
12258 | } | ||||
12259 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, | ||||
12260 | EndLoc); | ||||
12261 | } | ||||
12262 | |||||
12263 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | ||||
12264 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | ||||
12265 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
12266 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | ||||
12267 | SourceLocation EndLoc) { | ||||
12268 | OMPClause *Res = nullptr; | ||||
12269 | switch (Kind) { | ||||
12270 | case OMPC_schedule: | ||||
12271 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | ||||
12272 | assert(Argument.size() == NumberOfElements &&((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12273, __PRETTY_FUNCTION__)) | ||||
12273 | ArgumentLoc.size() == NumberOfElements)((Argument.size() == NumberOfElements && ArgumentLoc. size() == NumberOfElements) ? static_cast<void> (0) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12273, __PRETTY_FUNCTION__)); | ||||
12274 | Res = ActOnOpenMPScheduleClause( | ||||
12275 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | ||||
12276 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | ||||
12277 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | ||||
12278 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | ||||
12279 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | ||||
12280 | break; | ||||
12281 | case OMPC_if: | ||||
12282 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((Argument.size() == 1 && ArgumentLoc.size() == 1) ? static_cast <void> (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12282, __PRETTY_FUNCTION__)); | ||||
12283 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | ||||
12284 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | ||||
12285 | DelimLoc, EndLoc); | ||||
12286 | break; | ||||
12287 | case OMPC_dist_schedule: | ||||
12288 | Res = ActOnOpenMPDistScheduleClause( | ||||
12289 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | ||||
12290 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | ||||
12291 | break; | ||||
12292 | case OMPC_defaultmap: | ||||
12293 | enum { Modifier, DefaultmapKind }; | ||||
12294 | Res = ActOnOpenMPDefaultmapClause( | ||||
12295 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | ||||
12296 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | ||||
12297 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | ||||
12298 | EndLoc); | ||||
12299 | break; | ||||
12300 | case OMPC_final: | ||||
12301 | case OMPC_num_threads: | ||||
12302 | case OMPC_safelen: | ||||
12303 | case OMPC_simdlen: | ||||
12304 | case OMPC_allocator: | ||||
12305 | case OMPC_collapse: | ||||
12306 | case OMPC_default: | ||||
12307 | case OMPC_proc_bind: | ||||
12308 | case OMPC_private: | ||||
12309 | case OMPC_firstprivate: | ||||
12310 | case OMPC_lastprivate: | ||||
12311 | case OMPC_shared: | ||||
12312 | case OMPC_reduction: | ||||
12313 | case OMPC_task_reduction: | ||||
12314 | case OMPC_in_reduction: | ||||
12315 | case OMPC_linear: | ||||
12316 | case OMPC_aligned: | ||||
12317 | case OMPC_copyin: | ||||
12318 | case OMPC_copyprivate: | ||||
12319 | case OMPC_ordered: | ||||
12320 | case OMPC_nowait: | ||||
12321 | case OMPC_untied: | ||||
12322 | case OMPC_mergeable: | ||||
12323 | case OMPC_threadprivate: | ||||
12324 | case OMPC_allocate: | ||||
12325 | case OMPC_flush: | ||||
12326 | case OMPC_depobj: | ||||
12327 | case OMPC_read: | ||||
12328 | case OMPC_write: | ||||
12329 | case OMPC_update: | ||||
12330 | case OMPC_capture: | ||||
12331 | case OMPC_seq_cst: | ||||
12332 | case OMPC_acq_rel: | ||||
12333 | case OMPC_acquire: | ||||
12334 | case OMPC_release: | ||||
12335 | case OMPC_relaxed: | ||||
12336 | case OMPC_depend: | ||||
12337 | case OMPC_device: | ||||
12338 | case OMPC_threads: | ||||
12339 | case OMPC_simd: | ||||
12340 | case OMPC_map: | ||||
12341 | case OMPC_num_teams: | ||||
12342 | case OMPC_thread_limit: | ||||
12343 | case OMPC_priority: | ||||
12344 | case OMPC_grainsize: | ||||
12345 | case OMPC_nogroup: | ||||
12346 | case OMPC_num_tasks: | ||||
12347 | case OMPC_hint: | ||||
12348 | case OMPC_unknown: | ||||
12349 | case OMPC_uniform: | ||||
12350 | case OMPC_to: | ||||
12351 | case OMPC_from: | ||||
12352 | case OMPC_use_device_ptr: | ||||
12353 | case OMPC_is_device_ptr: | ||||
12354 | case OMPC_unified_address: | ||||
12355 | case OMPC_unified_shared_memory: | ||||
12356 | case OMPC_reverse_offload: | ||||
12357 | case OMPC_dynamic_allocators: | ||||
12358 | case OMPC_atomic_default_mem_order: | ||||
12359 | case OMPC_device_type: | ||||
12360 | case OMPC_match: | ||||
12361 | case OMPC_nontemporal: | ||||
12362 | case OMPC_order: | ||||
12363 | case OMPC_destroy: | ||||
12364 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12364); | ||||
12365 | } | ||||
12366 | return Res; | ||||
12367 | } | ||||
12368 | |||||
12369 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | ||||
12370 | OpenMPScheduleClauseModifier M2, | ||||
12371 | SourceLocation M1Loc, SourceLocation M2Loc) { | ||||
12372 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | ||||
12373 | SmallVector<unsigned, 2> Excluded; | ||||
12374 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | ||||
12375 | Excluded.push_back(M2); | ||||
12376 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||
12377 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | ||||
12378 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | ||||
12379 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | ||||
12380 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | ||||
12381 | << getListOfPossibleValues(OMPC_schedule, | ||||
12382 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | ||||
12383 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||
12384 | Excluded) | ||||
12385 | << getOpenMPClauseName(OMPC_schedule); | ||||
12386 | return true; | ||||
12387 | } | ||||
12388 | return false; | ||||
12389 | } | ||||
12390 | |||||
12391 | OMPClause *Sema::ActOnOpenMPScheduleClause( | ||||
12392 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||
12393 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||
12394 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | ||||
12395 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | ||||
12396 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | ||||
12397 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | ||||
12398 | return nullptr; | ||||
12399 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||
12400 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | ||||
12401 | // but not both. | ||||
12402 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | ||||
12403 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | ||||
12404 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | ||||
12405 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | ||||
12406 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | ||||
12407 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | ||||
12408 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | ||||
12409 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | ||||
12410 | return nullptr; | ||||
12411 | } | ||||
12412 | if (Kind == OMPC_SCHEDULE_unknown) { | ||||
12413 | std::string Values; | ||||
12414 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | ||||
12415 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | ||||
12416 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||
12417 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||
12418 | Exclude); | ||||
12419 | } else { | ||||
12420 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||
12421 | /*Last=*/OMPC_SCHEDULE_unknown); | ||||
12422 | } | ||||
12423 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
12424 | << Values << getOpenMPClauseName(OMPC_schedule); | ||||
12425 | return nullptr; | ||||
12426 | } | ||||
12427 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||
12428 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | ||||
12429 | // schedule(guided). | ||||
12430 | if ((M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||
12431 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||
12432 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | ||||
12433 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | ||||
12434 | diag::err_omp_schedule_nonmonotonic_static); | ||||
12435 | return nullptr; | ||||
12436 | } | ||||
12437 | Expr *ValExpr = ChunkSize; | ||||
12438 | Stmt *HelperValStmt = nullptr; | ||||
12439 | if (ChunkSize) { | ||||
12440 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||
12441 | !ChunkSize->isInstantiationDependent() && | ||||
12442 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||
12443 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||
12444 | ExprResult Val = | ||||
12445 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||
12446 | if (Val.isInvalid()) | ||||
12447 | return nullptr; | ||||
12448 | |||||
12449 | ValExpr = Val.get(); | ||||
12450 | |||||
12451 | // OpenMP [2.7.1, Restrictions] | ||||
12452 | // chunk_size must be a loop invariant integer expression with a positive | ||||
12453 | // value. | ||||
12454 | llvm::APSInt Result; | ||||
12455 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | ||||
12456 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | ||||
12457 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||
12458 | << "schedule" << 1 << ChunkSize->getSourceRange(); | ||||
12459 | return nullptr; | ||||
12460 | } | ||||
12461 | } else if (getOpenMPCaptureRegionForClause( | ||||
12462 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, | ||||
12463 | LangOpts.OpenMP) != OMPD_unknown && | ||||
12464 | !CurContext->isDependentContext()) { | ||||
12465 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
12466 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
12467 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
12468 | HelperValStmt = buildPreInits(Context, Captures); | ||||
12469 | } | ||||
12470 | } | ||||
12471 | } | ||||
12472 | |||||
12473 | return new (Context) | ||||
12474 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | ||||
12475 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | ||||
12476 | } | ||||
12477 | |||||
12478 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | ||||
12479 | SourceLocation StartLoc, | ||||
12480 | SourceLocation EndLoc) { | ||||
12481 | OMPClause *Res = nullptr; | ||||
12482 | switch (Kind) { | ||||
12483 | case OMPC_ordered: | ||||
12484 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | ||||
12485 | break; | ||||
12486 | case OMPC_nowait: | ||||
12487 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | ||||
12488 | break; | ||||
12489 | case OMPC_untied: | ||||
12490 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | ||||
12491 | break; | ||||
12492 | case OMPC_mergeable: | ||||
12493 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | ||||
12494 | break; | ||||
12495 | case OMPC_read: | ||||
12496 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | ||||
12497 | break; | ||||
12498 | case OMPC_write: | ||||
12499 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | ||||
12500 | break; | ||||
12501 | case OMPC_update: | ||||
12502 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | ||||
12503 | break; | ||||
12504 | case OMPC_capture: | ||||
12505 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | ||||
12506 | break; | ||||
12507 | case OMPC_seq_cst: | ||||
12508 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | ||||
12509 | break; | ||||
12510 | case OMPC_acq_rel: | ||||
12511 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); | ||||
12512 | break; | ||||
12513 | case OMPC_acquire: | ||||
12514 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); | ||||
12515 | break; | ||||
12516 | case OMPC_release: | ||||
12517 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); | ||||
12518 | break; | ||||
12519 | case OMPC_relaxed: | ||||
12520 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); | ||||
12521 | break; | ||||
12522 | case OMPC_threads: | ||||
12523 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | ||||
12524 | break; | ||||
12525 | case OMPC_simd: | ||||
12526 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | ||||
12527 | break; | ||||
12528 | case OMPC_nogroup: | ||||
12529 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | ||||
12530 | break; | ||||
12531 | case OMPC_unified_address: | ||||
12532 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); | ||||
12533 | break; | ||||
12534 | case OMPC_unified_shared_memory: | ||||
12535 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||
12536 | break; | ||||
12537 | case OMPC_reverse_offload: | ||||
12538 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); | ||||
12539 | break; | ||||
12540 | case OMPC_dynamic_allocators: | ||||
12541 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||
12542 | break; | ||||
12543 | case OMPC_destroy: | ||||
12544 | Res = ActOnOpenMPDestroyClause(StartLoc, EndLoc); | ||||
12545 | break; | ||||
12546 | case OMPC_if: | ||||
12547 | case OMPC_final: | ||||
12548 | case OMPC_num_threads: | ||||
12549 | case OMPC_safelen: | ||||
12550 | case OMPC_simdlen: | ||||
12551 | case OMPC_allocator: | ||||
12552 | case OMPC_collapse: | ||||
12553 | case OMPC_schedule: | ||||
12554 | case OMPC_private: | ||||
12555 | case OMPC_firstprivate: | ||||
12556 | case OMPC_lastprivate: | ||||
12557 | case OMPC_shared: | ||||
12558 | case OMPC_reduction: | ||||
12559 | case OMPC_task_reduction: | ||||
12560 | case OMPC_in_reduction: | ||||
12561 | case OMPC_linear: | ||||
12562 | case OMPC_aligned: | ||||
12563 | case OMPC_copyin: | ||||
12564 | case OMPC_copyprivate: | ||||
12565 | case OMPC_default: | ||||
12566 | case OMPC_proc_bind: | ||||
12567 | case OMPC_threadprivate: | ||||
12568 | case OMPC_allocate: | ||||
12569 | case OMPC_flush: | ||||
12570 | case OMPC_depobj: | ||||
12571 | case OMPC_depend: | ||||
12572 | case OMPC_device: | ||||
12573 | case OMPC_map: | ||||
12574 | case OMPC_num_teams: | ||||
12575 | case OMPC_thread_limit: | ||||
12576 | case OMPC_priority: | ||||
12577 | case OMPC_grainsize: | ||||
12578 | case OMPC_num_tasks: | ||||
12579 | case OMPC_hint: | ||||
12580 | case OMPC_dist_schedule: | ||||
12581 | case OMPC_defaultmap: | ||||
12582 | case OMPC_unknown: | ||||
12583 | case OMPC_uniform: | ||||
12584 | case OMPC_to: | ||||
12585 | case OMPC_from: | ||||
12586 | case OMPC_use_device_ptr: | ||||
12587 | case OMPC_is_device_ptr: | ||||
12588 | case OMPC_atomic_default_mem_order: | ||||
12589 | case OMPC_device_type: | ||||
12590 | case OMPC_match: | ||||
12591 | case OMPC_nontemporal: | ||||
12592 | case OMPC_order: | ||||
12593 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12593); | ||||
12594 | } | ||||
12595 | return Res; | ||||
12596 | } | ||||
12597 | |||||
12598 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | ||||
12599 | SourceLocation EndLoc) { | ||||
12600 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | ||||
12601 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | ||||
12602 | } | ||||
12603 | |||||
12604 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | ||||
12605 | SourceLocation EndLoc) { | ||||
12606 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | ||||
12607 | } | ||||
12608 | |||||
12609 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | ||||
12610 | SourceLocation EndLoc) { | ||||
12611 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | ||||
12612 | } | ||||
12613 | |||||
12614 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | ||||
12615 | SourceLocation EndLoc) { | ||||
12616 | return new (Context) OMPReadClause(StartLoc, EndLoc); | ||||
12617 | } | ||||
12618 | |||||
12619 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | ||||
12620 | SourceLocation EndLoc) { | ||||
12621 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | ||||
12622 | } | ||||
12623 | |||||
12624 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | ||||
12625 | SourceLocation EndLoc) { | ||||
12626 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); | ||||
12627 | } | ||||
12628 | |||||
12629 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | ||||
12630 | SourceLocation EndLoc) { | ||||
12631 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | ||||
12632 | } | ||||
12633 | |||||
12634 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | ||||
12635 | SourceLocation EndLoc) { | ||||
12636 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | ||||
12637 | } | ||||
12638 | |||||
12639 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, | ||||
12640 | SourceLocation EndLoc) { | ||||
12641 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); | ||||
12642 | } | ||||
12643 | |||||
12644 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, | ||||
12645 | SourceLocation EndLoc) { | ||||
12646 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); | ||||
12647 | } | ||||
12648 | |||||
12649 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, | ||||
12650 | SourceLocation EndLoc) { | ||||
12651 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); | ||||
12652 | } | ||||
12653 | |||||
12654 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, | ||||
12655 | SourceLocation EndLoc) { | ||||
12656 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); | ||||
12657 | } | ||||
12658 | |||||
12659 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | ||||
12660 | SourceLocation EndLoc) { | ||||
12661 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | ||||
12662 | } | ||||
12663 | |||||
12664 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | ||||
12665 | SourceLocation EndLoc) { | ||||
12666 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | ||||
12667 | } | ||||
12668 | |||||
12669 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | ||||
12670 | SourceLocation EndLoc) { | ||||
12671 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | ||||
12672 | } | ||||
12673 | |||||
12674 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, | ||||
12675 | SourceLocation EndLoc) { | ||||
12676 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); | ||||
12677 | } | ||||
12678 | |||||
12679 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, | ||||
12680 | SourceLocation EndLoc) { | ||||
12681 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||
12682 | } | ||||
12683 | |||||
12684 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, | ||||
12685 | SourceLocation EndLoc) { | ||||
12686 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); | ||||
12687 | } | ||||
12688 | |||||
12689 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, | ||||
12690 | SourceLocation EndLoc) { | ||||
12691 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||
12692 | } | ||||
12693 | |||||
12694 | OMPClause *Sema::ActOnOpenMPDestroyClause(SourceLocation StartLoc, | ||||
12695 | SourceLocation EndLoc) { | ||||
12696 | return new (Context) OMPDestroyClause(StartLoc, EndLoc); | ||||
12697 | } | ||||
12698 | |||||
12699 | OMPClause *Sema::ActOnOpenMPVarListClause( | ||||
12700 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *TailExpr, | ||||
12701 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, | ||||
12702 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, | ||||
12703 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, | ||||
12704 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||
12705 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, | ||||
12706 | SourceLocation DepLinMapLastLoc) { | ||||
12707 | SourceLocation StartLoc = Locs.StartLoc; | ||||
12708 | SourceLocation LParenLoc = Locs.LParenLoc; | ||||
12709 | SourceLocation EndLoc = Locs.EndLoc; | ||||
12710 | OMPClause *Res = nullptr; | ||||
12711 | switch (Kind) { | ||||
12712 | case OMPC_private: | ||||
12713 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12714 | break; | ||||
12715 | case OMPC_firstprivate: | ||||
12716 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12717 | break; | ||||
12718 | case OMPC_lastprivate: | ||||
12719 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12720, __PRETTY_FUNCTION__)) | ||||
12720 | "Unexpected lastprivate modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && "Unexpected lastprivate modifier.") ? static_cast <void> (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown && \"Unexpected lastprivate modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12720, __PRETTY_FUNCTION__)); | ||||
12721 | Res = ActOnOpenMPLastprivateClause( | ||||
12722 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), | ||||
12723 | DepLinMapLastLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); | ||||
12724 | break; | ||||
12725 | case OMPC_shared: | ||||
12726 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12727 | break; | ||||
12728 | case OMPC_reduction: | ||||
12729 | Res = ActOnOpenMPReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||
12730 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||
12731 | ReductionOrMapperId); | ||||
12732 | break; | ||||
12733 | case OMPC_task_reduction: | ||||
12734 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||
12735 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||
12736 | ReductionOrMapperId); | ||||
12737 | break; | ||||
12738 | case OMPC_in_reduction: | ||||
12739 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||
12740 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||
12741 | ReductionOrMapperId); | ||||
12742 | break; | ||||
12743 | case OMPC_linear: | ||||
12744 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12745, __PRETTY_FUNCTION__)) | ||||
12745 | "Unexpected linear modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12745, __PRETTY_FUNCTION__)); | ||||
12746 | Res = ActOnOpenMPLinearClause( | ||||
12747 | VarList, TailExpr, StartLoc, LParenLoc, | ||||
12748 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), DepLinMapLastLoc, | ||||
12749 | ColonLoc, EndLoc); | ||||
12750 | break; | ||||
12751 | case OMPC_aligned: | ||||
12752 | Res = ActOnOpenMPAlignedClause(VarList, TailExpr, StartLoc, LParenLoc, | ||||
12753 | ColonLoc, EndLoc); | ||||
12754 | break; | ||||
12755 | case OMPC_copyin: | ||||
12756 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12757 | break; | ||||
12758 | case OMPC_copyprivate: | ||||
12759 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12760 | break; | ||||
12761 | case OMPC_flush: | ||||
12762 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12763 | break; | ||||
12764 | case OMPC_depend: | ||||
12765 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12766, __PRETTY_FUNCTION__)) | ||||
12766 | "Unexpected depend modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && "Unexpected depend modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown && \"Unexpected depend modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12766, __PRETTY_FUNCTION__)); | ||||
12767 | Res = ActOnOpenMPDependClause( | ||||
12768 | static_cast<OpenMPDependClauseKind>(ExtraModifier), DepLinMapLastLoc, | ||||
12769 | ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); | ||||
12770 | break; | ||||
12771 | case OMPC_map: | ||||
12772 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&((0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12773, __PRETTY_FUNCTION__)) | ||||
12773 | "Unexpected map modifier.")((0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && "Unexpected map modifier.") ? static_cast<void > (0) : __assert_fail ("0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown && \"Unexpected map modifier.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12773, __PRETTY_FUNCTION__)); | ||||
12774 | Res = ActOnOpenMPMapClause( | ||||
12775 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, | ||||
12776 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), | ||||
12777 | IsMapTypeImplicit, DepLinMapLastLoc, ColonLoc, VarList, Locs); | ||||
12778 | break; | ||||
12779 | case OMPC_to: | ||||
12780 | Res = ActOnOpenMPToClause(VarList, ReductionOrMapperIdScopeSpec, | ||||
12781 | ReductionOrMapperId, Locs); | ||||
12782 | break; | ||||
12783 | case OMPC_from: | ||||
12784 | Res = ActOnOpenMPFromClause(VarList, ReductionOrMapperIdScopeSpec, | ||||
12785 | ReductionOrMapperId, Locs); | ||||
12786 | break; | ||||
12787 | case OMPC_use_device_ptr: | ||||
12788 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); | ||||
12789 | break; | ||||
12790 | case OMPC_is_device_ptr: | ||||
12791 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); | ||||
12792 | break; | ||||
12793 | case OMPC_allocate: | ||||
12794 | Res = ActOnOpenMPAllocateClause(TailExpr, VarList, StartLoc, LParenLoc, | ||||
12795 | ColonLoc, EndLoc); | ||||
12796 | break; | ||||
12797 | case OMPC_nontemporal: | ||||
12798 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||
12799 | break; | ||||
12800 | case OMPC_if: | ||||
12801 | case OMPC_depobj: | ||||
12802 | case OMPC_final: | ||||
12803 | case OMPC_num_threads: | ||||
12804 | case OMPC_safelen: | ||||
12805 | case OMPC_simdlen: | ||||
12806 | case OMPC_allocator: | ||||
12807 | case OMPC_collapse: | ||||
12808 | case OMPC_default: | ||||
12809 | case OMPC_proc_bind: | ||||
12810 | case OMPC_schedule: | ||||
12811 | case OMPC_ordered: | ||||
12812 | case OMPC_nowait: | ||||
12813 | case OMPC_untied: | ||||
12814 | case OMPC_mergeable: | ||||
12815 | case OMPC_threadprivate: | ||||
12816 | case OMPC_read: | ||||
12817 | case OMPC_write: | ||||
12818 | case OMPC_update: | ||||
12819 | case OMPC_capture: | ||||
12820 | case OMPC_seq_cst: | ||||
12821 | case OMPC_acq_rel: | ||||
12822 | case OMPC_acquire: | ||||
12823 | case OMPC_release: | ||||
12824 | case OMPC_relaxed: | ||||
12825 | case OMPC_device: | ||||
12826 | case OMPC_threads: | ||||
12827 | case OMPC_simd: | ||||
12828 | case OMPC_num_teams: | ||||
12829 | case OMPC_thread_limit: | ||||
12830 | case OMPC_priority: | ||||
12831 | case OMPC_grainsize: | ||||
12832 | case OMPC_nogroup: | ||||
12833 | case OMPC_num_tasks: | ||||
12834 | case OMPC_hint: | ||||
12835 | case OMPC_dist_schedule: | ||||
12836 | case OMPC_defaultmap: | ||||
12837 | case OMPC_unknown: | ||||
12838 | case OMPC_uniform: | ||||
12839 | case OMPC_unified_address: | ||||
12840 | case OMPC_unified_shared_memory: | ||||
12841 | case OMPC_reverse_offload: | ||||
12842 | case OMPC_dynamic_allocators: | ||||
12843 | case OMPC_atomic_default_mem_order: | ||||
12844 | case OMPC_device_type: | ||||
12845 | case OMPC_match: | ||||
12846 | case OMPC_order: | ||||
12847 | case OMPC_destroy: | ||||
12848 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12848); | ||||
12849 | } | ||||
12850 | return Res; | ||||
12851 | } | ||||
12852 | |||||
12853 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | ||||
12854 | ExprObjectKind OK, SourceLocation Loc) { | ||||
12855 | ExprResult Res = BuildDeclRefExpr( | ||||
12856 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | ||||
12857 | if (!Res.isUsable()) | ||||
12858 | return ExprError(); | ||||
12859 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | ||||
12860 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | ||||
12861 | if (!Res.isUsable()) | ||||
12862 | return ExprError(); | ||||
12863 | } | ||||
12864 | if (VK != VK_LValue && Res.get()->isGLValue()) { | ||||
12865 | Res = DefaultLvalueConversion(Res.get()); | ||||
12866 | if (!Res.isUsable()) | ||||
12867 | return ExprError(); | ||||
12868 | } | ||||
12869 | return Res; | ||||
12870 | } | ||||
12871 | |||||
12872 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | ||||
12873 | SourceLocation StartLoc, | ||||
12874 | SourceLocation LParenLoc, | ||||
12875 | SourceLocation EndLoc) { | ||||
12876 | SmallVector<Expr *, 8> Vars; | ||||
12877 | SmallVector<Expr *, 8> PrivateCopies; | ||||
12878 | for (Expr *RefExpr : VarList) { | ||||
12879 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 12879, __PRETTY_FUNCTION__)); | ||||
12880 | SourceLocation ELoc; | ||||
12881 | SourceRange ERange; | ||||
12882 | Expr *SimpleRefExpr = RefExpr; | ||||
12883 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
12884 | if (Res.second) { | ||||
12885 | // It will be analyzed later. | ||||
12886 | Vars.push_back(RefExpr); | ||||
12887 | PrivateCopies.push_back(nullptr); | ||||
12888 | } | ||||
12889 | ValueDecl *D = Res.first; | ||||
12890 | if (!D) | ||||
12891 | continue; | ||||
12892 | |||||
12893 | QualType Type = D->getType(); | ||||
12894 | auto *VD = dyn_cast<VarDecl>(D); | ||||
12895 | |||||
12896 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
12897 | // A variable that appears in a private clause must not have an incomplete | ||||
12898 | // type or a reference type. | ||||
12899 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | ||||
12900 | continue; | ||||
12901 | Type = Type.getNonReferenceType(); | ||||
12902 | |||||
12903 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
12904 | // A variable that is privatized must not have a const-qualified type | ||||
12905 | // unless it is of class type with a mutable member. This restriction does | ||||
12906 | // not apply to the firstprivate clause. | ||||
12907 | // | ||||
12908 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] | ||||
12909 | // A variable that appears in a private clause must not have a | ||||
12910 | // const-qualified type unless it is of class type with a mutable member. | ||||
12911 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) | ||||
12912 | continue; | ||||
12913 | |||||
12914 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
12915 | // in a Construct] | ||||
12916 | // Variables with the predetermined data-sharing attributes may not be | ||||
12917 | // listed in data-sharing attributes clauses, except for the cases | ||||
12918 | // listed below. For these exceptions only, listing a predetermined | ||||
12919 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
12920 | // the variable's predetermined data-sharing attributes. | ||||
12921 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
12922 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | ||||
12923 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
12924 | << getOpenMPClauseName(OMPC_private); | ||||
12925 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
12926 | continue; | ||||
12927 | } | ||||
12928 | |||||
12929 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
12930 | // Variably modified types are not supported for tasks. | ||||
12931 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||
12932 | isOpenMPTaskingDirective(CurrDir)) { | ||||
12933 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
12934 | << getOpenMPClauseName(OMPC_private) << Type | ||||
12935 | << getOpenMPDirectiveName(CurrDir); | ||||
12936 | bool IsDecl = | ||||
12937 | !VD || | ||||
12938 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
12939 | Diag(D->getLocation(), | ||||
12940 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
12941 | << D; | ||||
12942 | continue; | ||||
12943 | } | ||||
12944 | |||||
12945 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
12946 | // A list item cannot appear in both a map clause and a data-sharing | ||||
12947 | // attribute clause on the same construct | ||||
12948 | // | ||||
12949 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
12950 | // A list item cannot appear in both a map clause and a data-sharing | ||||
12951 | // attribute clause on the same construct unless the construct is a | ||||
12952 | // combined construct. | ||||
12953 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || | ||||
12954 | CurrDir == OMPD_target) { | ||||
12955 | OpenMPClauseKind ConflictKind; | ||||
12956 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
12957 | VD, /*CurrentRegionOnly=*/true, | ||||
12958 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
12959 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | ||||
12960 | ConflictKind = WhereFoundClauseKind; | ||||
12961 | return true; | ||||
12962 | })) { | ||||
12963 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
12964 | << getOpenMPClauseName(OMPC_private) | ||||
12965 | << getOpenMPClauseName(ConflictKind) | ||||
12966 | << getOpenMPDirectiveName(CurrDir); | ||||
12967 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
12968 | continue; | ||||
12969 | } | ||||
12970 | } | ||||
12971 | |||||
12972 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | ||||
12973 | // A variable of class type (or array thereof) that appears in a private | ||||
12974 | // clause requires an accessible, unambiguous default constructor for the | ||||
12975 | // class type. | ||||
12976 | // Generate helper private variable and initialize it with the default | ||||
12977 | // value. The address of the original variable is replaced by the address of | ||||
12978 | // the new private variable in CodeGen. This new variable is not added to | ||||
12979 | // IdResolver, so the code in the OpenMP region uses original variable for | ||||
12980 | // proper diagnostics. | ||||
12981 | Type = Type.getUnqualifiedType(); | ||||
12982 | VarDecl *VDPrivate = | ||||
12983 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
12984 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
12985 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
12986 | ActOnUninitializedDecl(VDPrivate); | ||||
12987 | if (VDPrivate->isInvalidDecl()) | ||||
12988 | continue; | ||||
12989 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
12990 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||
12991 | |||||
12992 | DeclRefExpr *Ref = nullptr; | ||||
12993 | if (!VD && !CurContext->isDependentContext()) | ||||
12994 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
12995 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | ||||
12996 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
12997 | ? RefExpr->IgnoreParens() | ||||
12998 | : Ref); | ||||
12999 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
13000 | } | ||||
13001 | |||||
13002 | if (Vars.empty()) | ||||
13003 | return nullptr; | ||||
13004 | |||||
13005 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||
13006 | PrivateCopies); | ||||
13007 | } | ||||
13008 | |||||
13009 | namespace { | ||||
13010 | class DiagsUninitializedSeveretyRAII { | ||||
13011 | private: | ||||
13012 | DiagnosticsEngine &Diags; | ||||
13013 | SourceLocation SavedLoc; | ||||
13014 | bool IsIgnored = false; | ||||
13015 | |||||
13016 | public: | ||||
13017 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | ||||
13018 | bool IsIgnored) | ||||
13019 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | ||||
13020 | if (!IsIgnored) { | ||||
13021 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | ||||
13022 | /*Map*/ diag::Severity::Ignored, Loc); | ||||
13023 | } | ||||
13024 | } | ||||
13025 | ~DiagsUninitializedSeveretyRAII() { | ||||
13026 | if (!IsIgnored) | ||||
13027 | Diags.popMappings(SavedLoc); | ||||
13028 | } | ||||
13029 | }; | ||||
13030 | } | ||||
13031 | |||||
13032 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | ||||
13033 | SourceLocation StartLoc, | ||||
13034 | SourceLocation LParenLoc, | ||||
13035 | SourceLocation EndLoc) { | ||||
13036 | SmallVector<Expr *, 8> Vars; | ||||
13037 | SmallVector<Expr *, 8> PrivateCopies; | ||||
13038 | SmallVector<Expr *, 8> Inits; | ||||
13039 | SmallVector<Decl *, 4> ExprCaptures; | ||||
13040 | bool IsImplicitClause = | ||||
13041 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | ||||
13042 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | ||||
13043 | |||||
13044 | for (Expr *RefExpr : VarList) { | ||||
13045 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")((RefExpr && "NULL expr in OpenMP firstprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP firstprivate clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 13045, __PRETTY_FUNCTION__)); | ||||
13046 | SourceLocation ELoc; | ||||
13047 | SourceRange ERange; | ||||
13048 | Expr *SimpleRefExpr = RefExpr; | ||||
13049 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
13050 | if (Res.second) { | ||||
13051 | // It will be analyzed later. | ||||
13052 | Vars.push_back(RefExpr); | ||||
13053 | PrivateCopies.push_back(nullptr); | ||||
13054 | Inits.push_back(nullptr); | ||||
13055 | } | ||||
13056 | ValueDecl *D = Res.first; | ||||
13057 | if (!D) | ||||
13058 | continue; | ||||
13059 | |||||
13060 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | ||||
13061 | QualType Type = D->getType(); | ||||
13062 | auto *VD = dyn_cast<VarDecl>(D); | ||||
13063 | |||||
13064 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
13065 | // A variable that appears in a private clause must not have an incomplete | ||||
13066 | // type or a reference type. | ||||
13067 | if (RequireCompleteType(ELoc, Type, | ||||
13068 | diag::err_omp_firstprivate_incomplete_type)) | ||||
13069 | continue; | ||||
13070 | Type = Type.getNonReferenceType(); | ||||
13071 | |||||
13072 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | ||||
13073 | // A variable of class type (or array thereof) that appears in a private | ||||
13074 | // clause requires an accessible, unambiguous copy constructor for the | ||||
13075 | // class type. | ||||
13076 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
13077 | |||||
13078 | // If an implicit firstprivate variable found it was checked already. | ||||
13079 | DSAStackTy::DSAVarData TopDVar; | ||||
13080 | if (!IsImplicitClause) { | ||||
13081 | DSAStackTy::DSAVarData DVar = | ||||
13082 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
13083 | TopDVar = DVar; | ||||
13084 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
13085 | bool IsConstant = ElemType.isConstant(Context); | ||||
13086 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | ||||
13087 | // A list item that specifies a given variable may not appear in more | ||||
13088 | // than one clause on the same directive, except that a variable may be | ||||
13089 | // specified in both firstprivate and lastprivate clauses. | ||||
13090 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||
13091 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||
13092 | // both. | ||||
13093 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | ||||
13094 | (isOpenMPDistributeDirective(CurrDir) || | ||||
13095 | DVar.CKind != OMPC_lastprivate) && | ||||
13096 | DVar.RefExpr) { | ||||
13097 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
13098 | << getOpenMPClauseName(DVar.CKind) | ||||
13099 | << getOpenMPClauseName(OMPC_firstprivate); | ||||
13100 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13101 | continue; | ||||
13102 | } | ||||
13103 | |||||
13104 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
13105 | // in a Construct] | ||||
13106 | // Variables with the predetermined data-sharing attributes may not be | ||||
13107 | // listed in data-sharing attributes clauses, except for the cases | ||||
13108 | // listed below. For these exceptions only, listing a predetermined | ||||
13109 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
13110 | // the variable's predetermined data-sharing attributes. | ||||
13111 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
13112 | // in a Construct, C/C++, p.2] | ||||
13113 | // Variables with const-qualified type having no mutable member may be | ||||
13114 | // listed in a firstprivate clause, even if they are static data members. | ||||
13115 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | ||||
13116 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | ||||
13117 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
13118 | << getOpenMPClauseName(DVar.CKind) | ||||
13119 | << getOpenMPClauseName(OMPC_firstprivate); | ||||
13120 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13121 | continue; | ||||
13122 | } | ||||
13123 | |||||
13124 | // OpenMP [2.9.3.4, Restrictions, p.2] | ||||
13125 | // A list item that is private within a parallel region must not appear | ||||
13126 | // in a firstprivate clause on a worksharing construct if any of the | ||||
13127 | // worksharing regions arising from the worksharing construct ever bind | ||||
13128 | // to any of the parallel regions arising from the parallel construct. | ||||
13129 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||
13130 | // A list item that is private within a teams region must not appear in a | ||||
13131 | // firstprivate clause on a distribute construct if any of the distribute | ||||
13132 | // regions arising from the distribute construct ever bind to any of the | ||||
13133 | // teams regions arising from the teams construct. | ||||
13134 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||
13135 | // A list item that appears in a reduction clause of a teams construct | ||||
13136 | // must not appear in a firstprivate clause on a distribute construct if | ||||
13137 | // any of the distribute regions arising from the distribute construct | ||||
13138 | // ever bind to any of the teams regions arising from the teams construct. | ||||
13139 | if ((isOpenMPWorksharingDirective(CurrDir) || | ||||
13140 | isOpenMPDistributeDirective(CurrDir)) && | ||||
13141 | !isOpenMPParallelDirective(CurrDir) && | ||||
13142 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
13143 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||
13144 | if (DVar.CKind != OMPC_shared && | ||||
13145 | (isOpenMPParallelDirective(DVar.DKind) || | ||||
13146 | isOpenMPTeamsDirective(DVar.DKind) || | ||||
13147 | DVar.DKind == OMPD_unknown)) { | ||||
13148 | Diag(ELoc, diag::err_omp_required_access) | ||||
13149 | << getOpenMPClauseName(OMPC_firstprivate) | ||||
13150 | << getOpenMPClauseName(OMPC_shared); | ||||
13151 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13152 | continue; | ||||
13153 | } | ||||
13154 | } | ||||
13155 | // OpenMP [2.9.3.4, Restrictions, p.3] | ||||
13156 | // A list item that appears in a reduction clause of a parallel construct | ||||
13157 | // must not appear in a firstprivate clause on a worksharing or task | ||||
13158 | // construct if any of the worksharing or task regions arising from the | ||||
13159 | // worksharing or task construct ever bind to any of the parallel regions | ||||
13160 | // arising from the parallel construct. | ||||
13161 | // OpenMP [2.9.3.4, Restrictions, p.4] | ||||
13162 | // A list item that appears in a reduction clause in worksharing | ||||
13163 | // construct must not appear in a firstprivate clause in a task construct | ||||
13164 | // encountered during execution of any of the worksharing regions arising | ||||
13165 | // from the worksharing construct. | ||||
13166 | if (isOpenMPTaskingDirective(CurrDir)) { | ||||
13167 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | ||||
13168 | D, [](OpenMPClauseKind C) { return C == OMPC_reduction; }, | ||||
13169 | [](OpenMPDirectiveKind K) { | ||||
13170 | return isOpenMPParallelDirective(K) || | ||||
13171 | isOpenMPWorksharingDirective(K) || | ||||
13172 | isOpenMPTeamsDirective(K); | ||||
13173 | }, | ||||
13174 | /*FromParent=*/true); | ||||
13175 | if (DVar.CKind == OMPC_reduction && | ||||
13176 | (isOpenMPParallelDirective(DVar.DKind) || | ||||
13177 | isOpenMPWorksharingDirective(DVar.DKind) || | ||||
13178 | isOpenMPTeamsDirective(DVar.DKind))) { | ||||
13179 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | ||||
13180 | << getOpenMPDirectiveName(DVar.DKind); | ||||
13181 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13182 | continue; | ||||
13183 | } | ||||
13184 | } | ||||
13185 | |||||
13186 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
13187 | // A list item cannot appear in both a map clause and a data-sharing | ||||
13188 | // attribute clause on the same construct | ||||
13189 | // | ||||
13190 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
13191 | // A list item cannot appear in both a map clause and a data-sharing | ||||
13192 | // attribute clause on the same construct unless the construct is a | ||||
13193 | // combined construct. | ||||
13194 | if ((LangOpts.OpenMP <= 45 && | ||||
13195 | isOpenMPTargetExecutionDirective(CurrDir)) || | ||||
13196 | CurrDir == OMPD_target) { | ||||
13197 | OpenMPClauseKind ConflictKind; | ||||
13198 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
13199 | VD, /*CurrentRegionOnly=*/true, | ||||
13200 | [&ConflictKind]( | ||||
13201 | OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||
13202 | OpenMPClauseKind WhereFoundClauseKind) { | ||||
13203 | ConflictKind = WhereFoundClauseKind; | ||||
13204 | return true; | ||||
13205 | })) { | ||||
13206 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
13207 | << getOpenMPClauseName(OMPC_firstprivate) | ||||
13208 | << getOpenMPClauseName(ConflictKind) | ||||
13209 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
13210 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13211 | continue; | ||||
13212 | } | ||||
13213 | } | ||||
13214 | } | ||||
13215 | |||||
13216 | // Variably modified types are not supported for tasks. | ||||
13217 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||
13218 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||
13219 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
13220 | << getOpenMPClauseName(OMPC_firstprivate) << Type | ||||
13221 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
13222 | bool IsDecl = | ||||
13223 | !VD || | ||||
13224 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
13225 | Diag(D->getLocation(), | ||||
13226 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
13227 | << D; | ||||
13228 | continue; | ||||
13229 | } | ||||
13230 | |||||
13231 | Type = Type.getUnqualifiedType(); | ||||
13232 | VarDecl *VDPrivate = | ||||
13233 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
13234 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
13235 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
13236 | // Generate helper private variable and initialize it with the value of the | ||||
13237 | // original variable. The address of the original variable is replaced by | ||||
13238 | // the address of the new private variable in the CodeGen. This new variable | ||||
13239 | // is not added to IdResolver, so the code in the OpenMP region uses | ||||
13240 | // original variable for proper diagnostics and variable capturing. | ||||
13241 | Expr *VDInitRefExpr = nullptr; | ||||
13242 | // For arrays generate initializer for single element and replace it by the | ||||
13243 | // original array element in CodeGen. | ||||
13244 | if (Type->isArrayType()) { | ||||
13245 | VarDecl *VDInit = | ||||
13246 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | ||||
13247 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | ||||
13248 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); | ||||
13249 | ElemType = ElemType.getUnqualifiedType(); | ||||
13250 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | ||||
13251 | ".firstprivate.temp"); | ||||
13252 | InitializedEntity Entity = | ||||
13253 | InitializedEntity::InitializeVariable(VDInitTemp); | ||||
13254 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | ||||
13255 | |||||
13256 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | ||||
13257 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | ||||
13258 | if (Result.isInvalid()) | ||||
13259 | VDPrivate->setInvalidDecl(); | ||||
13260 | else | ||||
13261 | VDPrivate->setInit(Result.getAs<Expr>()); | ||||
13262 | // Remove temp variable declaration. | ||||
13263 | Context.Deallocate(VDInitTemp); | ||||
13264 | } else { | ||||
13265 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | ||||
13266 | ".firstprivate.temp"); | ||||
13267 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | ||||
13268 | RefExpr->getExprLoc()); | ||||
13269 | AddInitializerToDecl(VDPrivate, | ||||
13270 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||
13271 | /*DirectInit=*/false); | ||||
13272 | } | ||||
13273 | if (VDPrivate->isInvalidDecl()) { | ||||
13274 | if (IsImplicitClause) { | ||||
13275 | Diag(RefExpr->getExprLoc(), | ||||
13276 | diag::note_omp_task_predetermined_firstprivate_here); | ||||
13277 | } | ||||
13278 | continue; | ||||
13279 | } | ||||
13280 | CurContext->addDecl(VDPrivate); | ||||
13281 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
13282 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | ||||
13283 | RefExpr->getExprLoc()); | ||||
13284 | DeclRefExpr *Ref = nullptr; | ||||
13285 | if (!VD && !CurContext->isDependentContext()) { | ||||
13286 | if (TopDVar.CKind == OMPC_lastprivate) { | ||||
13287 | Ref = TopDVar.PrivateCopy; | ||||
13288 | } else { | ||||
13289 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
13290 | if (!isOpenMPCapturedDecl(D)) | ||||
13291 | ExprCaptures.push_back(Ref->getDecl()); | ||||
13292 | } | ||||
13293 | } | ||||
13294 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||
13295 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
13296 | ? RefExpr->IgnoreParens() | ||||
13297 | : Ref); | ||||
13298 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
13299 | Inits.push_back(VDInitRefExpr); | ||||
13300 | } | ||||
13301 | |||||
13302 | if (Vars.empty()) | ||||
13303 | return nullptr; | ||||
13304 | |||||
13305 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
13306 | Vars, PrivateCopies, Inits, | ||||
13307 | buildPreInits(Context, ExprCaptures)); | ||||
13308 | } | ||||
13309 | |||||
13310 | OMPClause *Sema::ActOnOpenMPLastprivateClause( | ||||
13311 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, | ||||
13312 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, | ||||
13313 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
13314 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { | ||||
13315 | assert(ColonLoc.isValid() && "Colon location must be valid.")((ColonLoc.isValid() && "Colon location must be valid." ) ? static_cast<void> (0) : __assert_fail ("ColonLoc.isValid() && \"Colon location must be valid.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 13315, __PRETTY_FUNCTION__)); | ||||
13316 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) | ||||
13317 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, | ||||
13318 | /*Last=*/OMPC_LASTPRIVATE_unknown) | ||||
13319 | << getOpenMPClauseName(OMPC_lastprivate); | ||||
13320 | return nullptr; | ||||
13321 | } | ||||
13322 | |||||
13323 | SmallVector<Expr *, 8> Vars; | ||||
13324 | SmallVector<Expr *, 8> SrcExprs; | ||||
13325 | SmallVector<Expr *, 8> DstExprs; | ||||
13326 | SmallVector<Expr *, 8> AssignmentOps; | ||||
13327 | SmallVector<Decl *, 4> ExprCaptures; | ||||
13328 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
13329 | for (Expr *RefExpr : VarList) { | ||||
13330 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 13330, __PRETTY_FUNCTION__)); | ||||
13331 | SourceLocation ELoc; | ||||
13332 | SourceRange ERange; | ||||
13333 | Expr *SimpleRefExpr = RefExpr; | ||||
13334 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
13335 | if (Res.second) { | ||||
13336 | // It will be analyzed later. | ||||
13337 | Vars.push_back(RefExpr); | ||||
13338 | SrcExprs.push_back(nullptr); | ||||
13339 | DstExprs.push_back(nullptr); | ||||
13340 | AssignmentOps.push_back(nullptr); | ||||
13341 | } | ||||
13342 | ValueDecl *D = Res.first; | ||||
13343 | if (!D) | ||||
13344 | continue; | ||||
13345 | |||||
13346 | QualType Type = D->getType(); | ||||
13347 | auto *VD = dyn_cast<VarDecl>(D); | ||||
13348 | |||||
13349 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | ||||
13350 | // A variable that appears in a lastprivate clause must not have an | ||||
13351 | // incomplete type or a reference type. | ||||
13352 | if (RequireCompleteType(ELoc, Type, | ||||
13353 | diag::err_omp_lastprivate_incomplete_type)) | ||||
13354 | continue; | ||||
13355 | Type = Type.getNonReferenceType(); | ||||
13356 | |||||
13357 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
13358 | // A variable that is privatized must not have a const-qualified type | ||||
13359 | // unless it is of class type with a mutable member. This restriction does | ||||
13360 | // not apply to the firstprivate clause. | ||||
13361 | // | ||||
13362 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] | ||||
13363 | // A variable that appears in a lastprivate clause must not have a | ||||
13364 | // const-qualified type unless it is of class type with a mutable member. | ||||
13365 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) | ||||
13366 | continue; | ||||
13367 | |||||
13368 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] | ||||
13369 | // A list item that appears in a lastprivate clause with the conditional | ||||
13370 | // modifier must be a scalar variable. | ||||
13371 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { | ||||
13372 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); | ||||
13373 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
13374 | VarDecl::DeclarationOnly; | ||||
13375 | Diag(D->getLocation(), | ||||
13376 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
13377 | << D; | ||||
13378 | continue; | ||||
13379 | } | ||||
13380 | |||||
13381 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
13382 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
13383 | // in a Construct] | ||||
13384 | // Variables with the predetermined data-sharing attributes may not be | ||||
13385 | // listed in data-sharing attributes clauses, except for the cases | ||||
13386 | // listed below. | ||||
13387 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||
13388 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||
13389 | // both. | ||||
13390 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
13391 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | ||||
13392 | (isOpenMPDistributeDirective(CurrDir) || | ||||
13393 | DVar.CKind != OMPC_firstprivate) && | ||||
13394 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | ||||
13395 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
13396 | << getOpenMPClauseName(DVar.CKind) | ||||
13397 | << getOpenMPClauseName(OMPC_lastprivate); | ||||
13398 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13399 | continue; | ||||
13400 | } | ||||
13401 | |||||
13402 | // OpenMP [2.14.3.5, Restrictions, p.2] | ||||
13403 | // A list item that is private within a parallel region, or that appears in | ||||
13404 | // the reduction clause of a parallel construct, must not appear in a | ||||
13405 | // lastprivate clause on a worksharing construct if any of the corresponding | ||||
13406 | // worksharing regions ever binds to any of the corresponding parallel | ||||
13407 | // regions. | ||||
13408 | DSAStackTy::DSAVarData TopDVar = DVar; | ||||
13409 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||
13410 | !isOpenMPParallelDirective(CurrDir) && | ||||
13411 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
13412 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||
13413 | if (DVar.CKind != OMPC_shared) { | ||||
13414 | Diag(ELoc, diag::err_omp_required_access) | ||||
13415 | << getOpenMPClauseName(OMPC_lastprivate) | ||||
13416 | << getOpenMPClauseName(OMPC_shared); | ||||
13417 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13418 | continue; | ||||
13419 | } | ||||
13420 | } | ||||
13421 | |||||
13422 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | ||||
13423 | // A variable of class type (or array thereof) that appears in a | ||||
13424 | // lastprivate clause requires an accessible, unambiguous default | ||||
13425 | // constructor for the class type, unless the list item is also specified | ||||
13426 | // in a firstprivate clause. | ||||
13427 | // A variable of class type (or array thereof) that appears in a | ||||
13428 | // lastprivate clause requires an accessible, unambiguous copy assignment | ||||
13429 | // operator for the class type. | ||||
13430 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
13431 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), | ||||
13432 | Type.getUnqualifiedType(), ".lastprivate.src", | ||||
13433 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
13434 | DeclRefExpr *PseudoSrcExpr = | ||||
13435 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | ||||
13436 | VarDecl *DstVD = | ||||
13437 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | ||||
13438 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
13439 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||
13440 | // For arrays generate assignment operation for single element and replace | ||||
13441 | // it by the original array element in CodeGen. | ||||
13442 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | ||||
13443 | PseudoDstExpr, PseudoSrcExpr); | ||||
13444 | if (AssignmentOp.isInvalid()) | ||||
13445 | continue; | ||||
13446 | AssignmentOp = | ||||
13447 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||
13448 | if (AssignmentOp.isInvalid()) | ||||
13449 | continue; | ||||
13450 | |||||
13451 | DeclRefExpr *Ref = nullptr; | ||||
13452 | if (!VD && !CurContext->isDependentContext()) { | ||||
13453 | if (TopDVar.CKind == OMPC_firstprivate) { | ||||
13454 | Ref = TopDVar.PrivateCopy; | ||||
13455 | } else { | ||||
13456 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
13457 | if (!isOpenMPCapturedDecl(D)) | ||||
13458 | ExprCaptures.push_back(Ref->getDecl()); | ||||
13459 | } | ||||
13460 | if (TopDVar.CKind == OMPC_firstprivate || | ||||
13461 | (!isOpenMPCapturedDecl(D) && | ||||
13462 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | ||||
13463 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||
13464 | if (!RefRes.isUsable()) | ||||
13465 | continue; | ||||
13466 | ExprResult PostUpdateRes = | ||||
13467 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||
13468 | RefRes.get()); | ||||
13469 | if (!PostUpdateRes.isUsable()) | ||||
13470 | continue; | ||||
13471 | ExprPostUpdates.push_back( | ||||
13472 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
13473 | } | ||||
13474 | } | ||||
13475 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | ||||
13476 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
13477 | ? RefExpr->IgnoreParens() | ||||
13478 | : Ref); | ||||
13479 | SrcExprs.push_back(PseudoSrcExpr); | ||||
13480 | DstExprs.push_back(PseudoDstExpr); | ||||
13481 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
13482 | } | ||||
13483 | |||||
13484 | if (Vars.empty()) | ||||
13485 | return nullptr; | ||||
13486 | |||||
13487 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
13488 | Vars, SrcExprs, DstExprs, AssignmentOps, | ||||
13489 | LPKind, LPKindLoc, ColonLoc, | ||||
13490 | buildPreInits(Context, ExprCaptures), | ||||
13491 | buildPostUpdate(*this, ExprPostUpdates)); | ||||
13492 | } | ||||
13493 | |||||
13494 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | ||||
13495 | SourceLocation StartLoc, | ||||
13496 | SourceLocation LParenLoc, | ||||
13497 | SourceLocation EndLoc) { | ||||
13498 | SmallVector<Expr *, 8> Vars; | ||||
13499 | for (Expr *RefExpr : VarList) { | ||||
13500 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 13500, __PRETTY_FUNCTION__)); | ||||
13501 | SourceLocation ELoc; | ||||
13502 | SourceRange ERange; | ||||
13503 | Expr *SimpleRefExpr = RefExpr; | ||||
13504 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
13505 | if (Res.second) { | ||||
13506 | // It will be analyzed later. | ||||
13507 | Vars.push_back(RefExpr); | ||||
13508 | } | ||||
13509 | ValueDecl *D = Res.first; | ||||
13510 | if (!D) | ||||
13511 | continue; | ||||
13512 | |||||
13513 | auto *VD = dyn_cast<VarDecl>(D); | ||||
13514 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
13515 | // in a Construct] | ||||
13516 | // Variables with the predetermined data-sharing attributes may not be | ||||
13517 | // listed in data-sharing attributes clauses, except for the cases | ||||
13518 | // listed below. For these exceptions only, listing a predetermined | ||||
13519 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
13520 | // the variable's predetermined data-sharing attributes. | ||||
13521 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
13522 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | ||||
13523 | DVar.RefExpr) { | ||||
13524 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
13525 | << getOpenMPClauseName(OMPC_shared); | ||||
13526 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
13527 | continue; | ||||
13528 | } | ||||
13529 | |||||
13530 | DeclRefExpr *Ref = nullptr; | ||||
13531 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | ||||
13532 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
13533 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | ||||
13534 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | ||||
13535 | ? RefExpr->IgnoreParens() | ||||
13536 | : Ref); | ||||
13537 | } | ||||
13538 | |||||
13539 | if (Vars.empty()) | ||||
13540 | return nullptr; | ||||
13541 | |||||
13542 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||
13543 | } | ||||
13544 | |||||
13545 | namespace { | ||||
13546 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | ||||
13547 | DSAStackTy *Stack; | ||||
13548 | |||||
13549 | public: | ||||
13550 | bool VisitDeclRefExpr(DeclRefExpr *E) { | ||||
13551 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||
13552 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||
13553 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | ||||
13554 | return false; | ||||
13555 | if (DVar.CKind != OMPC_unknown) | ||||
13556 | return true; | ||||
13557 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | ||||
13558 | VD, isOpenMPPrivate, [](OpenMPDirectiveKind) { return true; }, | ||||
13559 | /*FromParent=*/true); | ||||
13560 | return DVarPrivate.CKind != OMPC_unknown; | ||||
13561 | } | ||||
13562 | return false; | ||||
13563 | } | ||||
13564 | bool VisitStmt(Stmt *S) { | ||||
13565 | for (Stmt *Child : S->children()) { | ||||
13566 | if (Child && Visit(Child)) | ||||
13567 | return true; | ||||
13568 | } | ||||
13569 | return false; | ||||
13570 | } | ||||
13571 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | ||||
13572 | }; | ||||
13573 | } // namespace | ||||
13574 | |||||
13575 | namespace { | ||||
13576 | // Transform MemberExpression for specified FieldDecl of current class to | ||||
13577 | // DeclRefExpr to specified OMPCapturedExprDecl. | ||||
13578 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | ||||
13579 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | ||||
13580 | ValueDecl *Field = nullptr; | ||||
13581 | DeclRefExpr *CapturedExpr = nullptr; | ||||
13582 | |||||
13583 | public: | ||||
13584 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | ||||
13585 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | ||||
13586 | |||||
13587 | ExprResult TransformMemberExpr(MemberExpr *E) { | ||||
13588 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | ||||
13589 | E->getMemberDecl() == Field) { | ||||
13590 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | ||||
13591 | return CapturedExpr; | ||||
13592 | } | ||||
13593 | return BaseTransform::TransformMemberExpr(E); | ||||
13594 | } | ||||
13595 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | ||||
13596 | }; | ||||
13597 | } // namespace | ||||
13598 | |||||
13599 | template <typename T, typename U> | ||||
13600 | static T filterLookupForUDReductionAndMapper( | ||||
13601 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { | ||||
13602 | for (U &Set : Lookups) { | ||||
13603 | for (auto *D : Set) { | ||||
13604 | if (T Res = Gen(cast<ValueDecl>(D))) | ||||
13605 | return Res; | ||||
13606 | } | ||||
13607 | } | ||||
13608 | return T(); | ||||
13609 | } | ||||
13610 | |||||
13611 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { | ||||
13612 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")((!LookupResult::isVisible(SemaRef, D) && "not in slow case" ) ? static_cast<void> (0) : __assert_fail ("!LookupResult::isVisible(SemaRef, D) && \"not in slow case\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 13612, __PRETTY_FUNCTION__)); | ||||
13613 | |||||
13614 | for (auto RD : D->redecls()) { | ||||
13615 | // Don't bother with extra checks if we already know this one isn't visible. | ||||
13616 | if (RD == D) | ||||
13617 | continue; | ||||
13618 | |||||
13619 | auto ND = cast<NamedDecl>(RD); | ||||
13620 | if (LookupResult::isVisible(SemaRef, ND)) | ||||
13621 | return ND; | ||||
13622 | } | ||||
13623 | |||||
13624 | return nullptr; | ||||
13625 | } | ||||
13626 | |||||
13627 | static void | ||||
13628 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, | ||||
13629 | SourceLocation Loc, QualType Ty, | ||||
13630 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { | ||||
13631 | // Find all of the associated namespaces and classes based on the | ||||
13632 | // arguments we have. | ||||
13633 | Sema::AssociatedNamespaceSet AssociatedNamespaces; | ||||
13634 | Sema::AssociatedClassSet AssociatedClasses; | ||||
13635 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); | ||||
13636 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, | ||||
13637 | AssociatedClasses); | ||||
13638 | |||||
13639 | // C++ [basic.lookup.argdep]p3: | ||||
13640 | // Let X be the lookup set produced by unqualified lookup (3.4.1) | ||||
13641 | // and let Y be the lookup set produced by argument dependent | ||||
13642 | // lookup (defined as follows). If X contains [...] then Y is | ||||
13643 | // empty. Otherwise Y is the set of declarations found in the | ||||
13644 | // namespaces associated with the argument types as described | ||||
13645 | // below. The set of declarations found by the lookup of the name | ||||
13646 | // is the union of X and Y. | ||||
13647 | // | ||||
13648 | // Here, we compute Y and add its members to the overloaded | ||||
13649 | // candidate set. | ||||
13650 | for (auto *NS : AssociatedNamespaces) { | ||||
13651 | // When considering an associated namespace, the lookup is the | ||||
13652 | // same as the lookup performed when the associated namespace is | ||||
13653 | // used as a qualifier (3.4.3.2) except that: | ||||
13654 | // | ||||
13655 | // -- Any using-directives in the associated namespace are | ||||
13656 | // ignored. | ||||
13657 | // | ||||
13658 | // -- Any namespace-scope friend functions declared in | ||||
13659 | // associated classes are visible within their respective | ||||
13660 | // namespaces even if they are not visible during an ordinary | ||||
13661 | // lookup (11.4). | ||||
13662 | DeclContext::lookup_result R = NS->lookup(Id.getName()); | ||||
13663 | for (auto *D : R) { | ||||
13664 | auto *Underlying = D; | ||||
13665 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||
13666 | Underlying = USD->getTargetDecl(); | ||||
13667 | |||||
13668 | if (!isa<OMPDeclareReductionDecl>(Underlying) && | ||||
13669 | !isa<OMPDeclareMapperDecl>(Underlying)) | ||||
13670 | continue; | ||||
13671 | |||||
13672 | if (!SemaRef.isVisible(D)) { | ||||
13673 | D = findAcceptableDecl(SemaRef, D); | ||||
13674 | if (!D) | ||||
13675 | continue; | ||||
13676 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||
13677 | Underlying = USD->getTargetDecl(); | ||||
13678 | } | ||||
13679 | Lookups.emplace_back(); | ||||
13680 | Lookups.back().addDecl(Underlying); | ||||
13681 | } | ||||
13682 | } | ||||
13683 | } | ||||
13684 | |||||
13685 | static ExprResult | ||||
13686 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | ||||
13687 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | ||||
13688 | const DeclarationNameInfo &ReductionId, QualType Ty, | ||||
13689 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | ||||
13690 | if (ReductionIdScopeSpec.isInvalid()) | ||||
13691 | return ExprError(); | ||||
13692 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||
13693 | if (S) { | ||||
13694 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||
13695 | Lookup.suppressDiagnostics(); | ||||
13696 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | ||||
13697 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||
13698 | do { | ||||
13699 | S = S->getParent(); | ||||
13700 | } while (S && !S->isDeclScope(D)); | ||||
13701 | if (S) | ||||
13702 | S = S->getParent(); | ||||
13703 | Lookups.emplace_back(); | ||||
13704 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
13705 | Lookup.clear(); | ||||
13706 | } | ||||
13707 | } else if (auto *ULE = | ||||
13708 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | ||||
13709 | Lookups.push_back(UnresolvedSet<8>()); | ||||
13710 | Decl *PrevD = nullptr; | ||||
13711 | for (NamedDecl *D : ULE->decls()) { | ||||
13712 | if (D == PrevD) | ||||
13713 | Lookups.push_back(UnresolvedSet<8>()); | ||||
13714 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) | ||||
13715 | Lookups.back().addDecl(DRD); | ||||
13716 | PrevD = D; | ||||
13717 | } | ||||
13718 | } | ||||
13719 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | ||||
13720 | Ty->isInstantiationDependentType() || | ||||
13721 | Ty->containsUnexpandedParameterPack() || | ||||
13722 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||
13723 | return !D->isInvalidDecl() && | ||||
13724 | (D->getType()->isDependentType() || | ||||
13725 | D->getType()->isInstantiationDependentType() || | ||||
13726 | D->getType()->containsUnexpandedParameterPack()); | ||||
13727 | })) { | ||||
13728 | UnresolvedSet<8> ResSet; | ||||
13729 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||
13730 | if (Set.empty()) | ||||
13731 | continue; | ||||
13732 | ResSet.append(Set.begin(), Set.end()); | ||||
13733 | // The last item marks the end of all declarations at the specified scope. | ||||
13734 | ResSet.addDecl(Set[Set.size() - 1]); | ||||
13735 | } | ||||
13736 | return UnresolvedLookupExpr::Create( | ||||
13737 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
13738 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | ||||
13739 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | ||||
13740 | } | ||||
13741 | // Lookup inside the classes. | ||||
13742 | // C++ [over.match.oper]p3: | ||||
13743 | // For a unary operator @ with an operand of a type whose | ||||
13744 | // cv-unqualified version is T1, and for a binary operator @ with | ||||
13745 | // a left operand of a type whose cv-unqualified version is T1 and | ||||
13746 | // a right operand of a type whose cv-unqualified version is T2, | ||||
13747 | // three sets of candidate functions, designated member | ||||
13748 | // candidates, non-member candidates and built-in candidates, are | ||||
13749 | // constructed as follows: | ||||
13750 | // -- If T1 is a complete class type or a class currently being | ||||
13751 | // defined, the set of member candidates is the result of the | ||||
13752 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, | ||||
13753 | // the set of member candidates is empty. | ||||
13754 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||
13755 | Lookup.suppressDiagnostics(); | ||||
13756 | if (const auto *TyRec = Ty->getAs<RecordType>()) { | ||||
13757 | // Complete the type if it can be completed. | ||||
13758 | // If the type is neither complete nor being defined, bail out now. | ||||
13759 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || | ||||
13760 | TyRec->getDecl()->getDefinition()) { | ||||
13761 | Lookup.clear(); | ||||
13762 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); | ||||
13763 | if (Lookup.empty()) { | ||||
13764 | Lookups.emplace_back(); | ||||
13765 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
13766 | } | ||||
13767 | } | ||||
13768 | } | ||||
13769 | // Perform ADL. | ||||
13770 | if (SemaRef.getLangOpts().CPlusPlus) | ||||
13771 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); | ||||
13772 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
13773 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | ||||
13774 | if (!D->isInvalidDecl() && | ||||
13775 | SemaRef.Context.hasSameType(D->getType(), Ty)) | ||||
13776 | return D; | ||||
13777 | return nullptr; | ||||
13778 | })) | ||||
13779 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), | ||||
13780 | VK_LValue, Loc); | ||||
13781 | if (SemaRef.getLangOpts().CPlusPlus) { | ||||
13782 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
13783 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | ||||
13784 | if (!D->isInvalidDecl() && | ||||
13785 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | ||||
13786 | !Ty.isMoreQualifiedThan(D->getType())) | ||||
13787 | return D; | ||||
13788 | return nullptr; | ||||
13789 | })) { | ||||
13790 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||
13791 | /*DetectVirtual=*/false); | ||||
13792 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | ||||
13793 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||
13794 | VD->getType().getUnqualifiedType()))) { | ||||
13795 | if (SemaRef.CheckBaseClassAccess( | ||||
13796 | Loc, VD->getType(), Ty, Paths.front(), | ||||
13797 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||
13798 | SemaRef.BuildBasePathArray(Paths, BasePath); | ||||
13799 | return SemaRef.BuildDeclRefExpr( | ||||
13800 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); | ||||
13801 | } | ||||
13802 | } | ||||
13803 | } | ||||
13804 | } | ||||
13805 | } | ||||
13806 | if (ReductionIdScopeSpec.isSet()) { | ||||
13807 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) | ||||
13808 | << Ty << Range; | ||||
13809 | return ExprError(); | ||||
13810 | } | ||||
13811 | return ExprEmpty(); | ||||
13812 | } | ||||
13813 | |||||
13814 | namespace { | ||||
13815 | /// Data for the reduction-based clauses. | ||||
13816 | struct ReductionData { | ||||
13817 | /// List of original reduction items. | ||||
13818 | SmallVector<Expr *, 8> Vars; | ||||
13819 | /// List of private copies of the reduction items. | ||||
13820 | SmallVector<Expr *, 8> Privates; | ||||
13821 | /// LHS expressions for the reduction_op expressions. | ||||
13822 | SmallVector<Expr *, 8> LHSs; | ||||
13823 | /// RHS expressions for the reduction_op expressions. | ||||
13824 | SmallVector<Expr *, 8> RHSs; | ||||
13825 | /// Reduction operation expression. | ||||
13826 | SmallVector<Expr *, 8> ReductionOps; | ||||
13827 | /// Taskgroup descriptors for the corresponding reduction items in | ||||
13828 | /// in_reduction clauses. | ||||
13829 | SmallVector<Expr *, 8> TaskgroupDescriptors; | ||||
13830 | /// List of captures for clause. | ||||
13831 | SmallVector<Decl *, 4> ExprCaptures; | ||||
13832 | /// List of postupdate expressions. | ||||
13833 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
13834 | ReductionData() = delete; | ||||
13835 | /// Reserves required memory for the reduction data. | ||||
13836 | ReductionData(unsigned Size) { | ||||
13837 | Vars.reserve(Size); | ||||
13838 | Privates.reserve(Size); | ||||
13839 | LHSs.reserve(Size); | ||||
13840 | RHSs.reserve(Size); | ||||
13841 | ReductionOps.reserve(Size); | ||||
13842 | TaskgroupDescriptors.reserve(Size); | ||||
13843 | ExprCaptures.reserve(Size); | ||||
13844 | ExprPostUpdates.reserve(Size); | ||||
13845 | } | ||||
13846 | /// Stores reduction item and reduction operation only (required for dependent | ||||
13847 | /// reduction item). | ||||
13848 | void push(Expr *Item, Expr *ReductionOp) { | ||||
13849 | Vars.emplace_back(Item); | ||||
13850 | Privates.emplace_back(nullptr); | ||||
13851 | LHSs.emplace_back(nullptr); | ||||
13852 | RHSs.emplace_back(nullptr); | ||||
13853 | ReductionOps.emplace_back(ReductionOp); | ||||
13854 | TaskgroupDescriptors.emplace_back(nullptr); | ||||
13855 | } | ||||
13856 | /// Stores reduction data. | ||||
13857 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | ||||
13858 | Expr *TaskgroupDescriptor) { | ||||
13859 | Vars.emplace_back(Item); | ||||
13860 | Privates.emplace_back(Private); | ||||
13861 | LHSs.emplace_back(LHS); | ||||
13862 | RHSs.emplace_back(RHS); | ||||
13863 | ReductionOps.emplace_back(ReductionOp); | ||||
13864 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | ||||
13865 | } | ||||
13866 | }; | ||||
13867 | } // namespace | ||||
13868 | |||||
13869 | static bool checkOMPArraySectionConstantForReduction( | ||||
13870 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | ||||
13871 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | ||||
13872 | const Expr *Length = OASE->getLength(); | ||||
13873 | if (Length == nullptr) { | ||||
13874 | // For array sections of the form [1:] or [:], we would need to analyze | ||||
13875 | // the lower bound... | ||||
13876 | if (OASE->getColonLoc().isValid()) | ||||
13877 | return false; | ||||
13878 | |||||
13879 | // This is an array subscript which has implicit length 1! | ||||
13880 | SingleElement = true; | ||||
13881 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
13882 | } else { | ||||
13883 | Expr::EvalResult Result; | ||||
13884 | if (!Length->EvaluateAsInt(Result, Context)) | ||||
13885 | return false; | ||||
13886 | |||||
13887 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||
13888 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | ||||
13889 | ArraySizes.push_back(ConstantLengthValue); | ||||
13890 | } | ||||
13891 | |||||
13892 | // Get the base of this array section and walk up from there. | ||||
13893 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||
13894 | |||||
13895 | // We require length = 1 for all array sections except the right-most to | ||||
13896 | // guarantee that the memory region is contiguous and has no holes in it. | ||||
13897 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | ||||
13898 | Length = TempOASE->getLength(); | ||||
13899 | if (Length == nullptr) { | ||||
13900 | // For array sections of the form [1:] or [:], we would need to analyze | ||||
13901 | // the lower bound... | ||||
13902 | if (OASE->getColonLoc().isValid()) | ||||
13903 | return false; | ||||
13904 | |||||
13905 | // This is an array subscript which has implicit length 1! | ||||
13906 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
13907 | } else { | ||||
13908 | Expr::EvalResult Result; | ||||
13909 | if (!Length->EvaluateAsInt(Result, Context)) | ||||
13910 | return false; | ||||
13911 | |||||
13912 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||
13913 | if (ConstantLengthValue.getSExtValue() != 1) | ||||
13914 | return false; | ||||
13915 | |||||
13916 | ArraySizes.push_back(ConstantLengthValue); | ||||
13917 | } | ||||
13918 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||
13919 | } | ||||
13920 | |||||
13921 | // If we have a single element, we don't need to add the implicit lengths. | ||||
13922 | if (!SingleElement) { | ||||
13923 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | ||||
13924 | // Has implicit length 1! | ||||
13925 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||
13926 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||
13927 | } | ||||
13928 | } | ||||
13929 | |||||
13930 | // This array section can be privatized as a single value or as a constant | ||||
13931 | // sized array. | ||||
13932 | return true; | ||||
13933 | } | ||||
13934 | |||||
13935 | static bool actOnOMPReductionKindClause( | ||||
13936 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | ||||
13937 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
13938 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
13939 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
13940 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | ||||
13941 | DeclarationName DN = ReductionId.getName(); | ||||
13942 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); | ||||
13943 | BinaryOperatorKind BOK = BO_Comma; | ||||
13944 | |||||
13945 | ASTContext &Context = S.Context; | ||||
13946 | // OpenMP [2.14.3.6, reduction clause] | ||||
13947 | // C | ||||
13948 | // reduction-identifier is either an identifier or one of the following | ||||
13949 | // operators: +, -, *, &, |, ^, && and || | ||||
13950 | // C++ | ||||
13951 | // reduction-identifier is either an id-expression or one of the following | ||||
13952 | // operators: +, -, *, &, |, ^, && and || | ||||
13953 | switch (OOK) { | ||||
13954 | case OO_Plus: | ||||
13955 | case OO_Minus: | ||||
13956 | BOK = BO_Add; | ||||
13957 | break; | ||||
13958 | case OO_Star: | ||||
13959 | BOK = BO_Mul; | ||||
13960 | break; | ||||
13961 | case OO_Amp: | ||||
13962 | BOK = BO_And; | ||||
13963 | break; | ||||
13964 | case OO_Pipe: | ||||
13965 | BOK = BO_Or; | ||||
13966 | break; | ||||
13967 | case OO_Caret: | ||||
13968 | BOK = BO_Xor; | ||||
13969 | break; | ||||
13970 | case OO_AmpAmp: | ||||
13971 | BOK = BO_LAnd; | ||||
13972 | break; | ||||
13973 | case OO_PipePipe: | ||||
13974 | BOK = BO_LOr; | ||||
13975 | break; | ||||
13976 | case OO_New: | ||||
13977 | case OO_Delete: | ||||
13978 | case OO_Array_New: | ||||
13979 | case OO_Array_Delete: | ||||
13980 | case OO_Slash: | ||||
13981 | case OO_Percent: | ||||
13982 | case OO_Tilde: | ||||
13983 | case OO_Exclaim: | ||||
13984 | case OO_Equal: | ||||
13985 | case OO_Less: | ||||
13986 | case OO_Greater: | ||||
13987 | case OO_LessEqual: | ||||
13988 | case OO_GreaterEqual: | ||||
13989 | case OO_PlusEqual: | ||||
13990 | case OO_MinusEqual: | ||||
13991 | case OO_StarEqual: | ||||
13992 | case OO_SlashEqual: | ||||
13993 | case OO_PercentEqual: | ||||
13994 | case OO_CaretEqual: | ||||
13995 | case OO_AmpEqual: | ||||
13996 | case OO_PipeEqual: | ||||
13997 | case OO_LessLess: | ||||
13998 | case OO_GreaterGreater: | ||||
13999 | case OO_LessLessEqual: | ||||
14000 | case OO_GreaterGreaterEqual: | ||||
14001 | case OO_EqualEqual: | ||||
14002 | case OO_ExclaimEqual: | ||||
14003 | case OO_Spaceship: | ||||
14004 | case OO_PlusPlus: | ||||
14005 | case OO_MinusMinus: | ||||
14006 | case OO_Comma: | ||||
14007 | case OO_ArrowStar: | ||||
14008 | case OO_Arrow: | ||||
14009 | case OO_Call: | ||||
14010 | case OO_Subscript: | ||||
14011 | case OO_Conditional: | ||||
14012 | case OO_Coawait: | ||||
14013 | case NUM_OVERLOADED_OPERATORS: | ||||
14014 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14014); | ||||
14015 | case OO_None: | ||||
14016 | if (IdentifierInfo *II = DN.getAsIdentifierInfo()) { | ||||
14017 | if (II->isStr("max")) | ||||
14018 | BOK = BO_GT; | ||||
14019 | else if (II->isStr("min")) | ||||
14020 | BOK = BO_LT; | ||||
14021 | } | ||||
14022 | break; | ||||
14023 | } | ||||
14024 | SourceRange ReductionIdRange; | ||||
14025 | if (ReductionIdScopeSpec.isValid()) | ||||
14026 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | ||||
14027 | else | ||||
14028 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | ||||
14029 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | ||||
14030 | |||||
14031 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | ||||
14032 | bool FirstIter = true; | ||||
14033 | for (Expr *RefExpr : VarList) { | ||||
14034 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")((RefExpr && "nullptr expr in OpenMP reduction clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"nullptr expr in OpenMP reduction clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14034, __PRETTY_FUNCTION__)); | ||||
14035 | // OpenMP [2.1, C/C++] | ||||
14036 | // A list item is a variable or array section, subject to the restrictions | ||||
14037 | // specified in Section 2.4 on page 42 and in each of the sections | ||||
14038 | // describing clauses and directives for which a list appears. | ||||
14039 | // OpenMP [2.14.3.3, Restrictions, p.1] | ||||
14040 | // A variable that is part of another variable (as an array or | ||||
14041 | // structure element) cannot appear in a private clause. | ||||
14042 | if (!FirstIter && IR != ER) | ||||
14043 | ++IR; | ||||
14044 | FirstIter = false; | ||||
14045 | SourceLocation ELoc; | ||||
14046 | SourceRange ERange; | ||||
14047 | Expr *SimpleRefExpr = RefExpr; | ||||
14048 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||
14049 | /*AllowArraySection=*/true); | ||||
14050 | if (Res.second) { | ||||
14051 | // Try to find 'declare reduction' corresponding construct before using | ||||
14052 | // builtin/overloaded operators. | ||||
14053 | QualType Type = Context.DependentTy; | ||||
14054 | CXXCastPath BasePath; | ||||
14055 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||
14056 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||
14057 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||
14058 | Expr *ReductionOp = nullptr; | ||||
14059 | if (S.CurContext->isDependentContext() && | ||||
14060 | (DeclareReductionRef.isUnset() || | ||||
14061 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | ||||
14062 | ReductionOp = DeclareReductionRef.get(); | ||||
14063 | // It will be analyzed later. | ||||
14064 | RD.push(RefExpr, ReductionOp); | ||||
14065 | } | ||||
14066 | ValueDecl *D = Res.first; | ||||
14067 | if (!D) | ||||
14068 | continue; | ||||
14069 | |||||
14070 | Expr *TaskgroupDescriptor = nullptr; | ||||
14071 | QualType Type; | ||||
14072 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | ||||
14073 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | ||||
14074 | if (ASE) { | ||||
14075 | Type = ASE->getType().getNonReferenceType(); | ||||
14076 | } else if (OASE) { | ||||
14077 | QualType BaseType = | ||||
14078 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
14079 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
14080 | Type = ATy->getElementType(); | ||||
14081 | else | ||||
14082 | Type = BaseType->getPointeeType(); | ||||
14083 | Type = Type.getNonReferenceType(); | ||||
14084 | } else { | ||||
14085 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | ||||
14086 | } | ||||
14087 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14088 | |||||
14089 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||
14090 | // A variable that appears in a private clause must not have an incomplete | ||||
14091 | // type or a reference type. | ||||
14092 | if (S.RequireCompleteType(ELoc, D->getType(), | ||||
14093 | diag::err_omp_reduction_incomplete_type)) | ||||
14094 | continue; | ||||
14095 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||
14096 | // A list item that appears in a reduction clause must not be | ||||
14097 | // const-qualified. | ||||
14098 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, | ||||
14099 | /*AcceptIfMutable*/ false, ASE || OASE)) | ||||
14100 | continue; | ||||
14101 | |||||
14102 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | ||||
14103 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | ||||
14104 | // If a list-item is a reference type then it must bind to the same object | ||||
14105 | // for all threads of the team. | ||||
14106 | if (!ASE && !OASE) { | ||||
14107 | if (VD) { | ||||
14108 | VarDecl *VDDef = VD->getDefinition(); | ||||
14109 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | ||||
14110 | DSARefChecker Check(Stack); | ||||
14111 | if (Check.Visit(VDDef->getInit())) { | ||||
14112 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | ||||
14113 | << getOpenMPClauseName(ClauseKind) << ERange; | ||||
14114 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | ||||
14115 | continue; | ||||
14116 | } | ||||
14117 | } | ||||
14118 | } | ||||
14119 | |||||
14120 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||
14121 | // in a Construct] | ||||
14122 | // Variables with the predetermined data-sharing attributes may not be | ||||
14123 | // listed in data-sharing attributes clauses, except for the cases | ||||
14124 | // listed below. For these exceptions only, listing a predetermined | ||||
14125 | // variable in a data-sharing attribute clause is allowed and overrides | ||||
14126 | // the variable's predetermined data-sharing attributes. | ||||
14127 | // OpenMP [2.14.3.6, Restrictions, p.3] | ||||
14128 | // Any number of reduction clauses can be specified on the directive, | ||||
14129 | // but a list item can appear only once in the reduction clauses for that | ||||
14130 | // directive. | ||||
14131 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | ||||
14132 | if (DVar.CKind == OMPC_reduction) { | ||||
14133 | S.Diag(ELoc, diag::err_omp_once_referenced) | ||||
14134 | << getOpenMPClauseName(ClauseKind); | ||||
14135 | if (DVar.RefExpr) | ||||
14136 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | ||||
14137 | continue; | ||||
14138 | } | ||||
14139 | if (DVar.CKind != OMPC_unknown) { | ||||
14140 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
14141 | << getOpenMPClauseName(DVar.CKind) | ||||
14142 | << getOpenMPClauseName(OMPC_reduction); | ||||
14143 | reportOriginalDsa(S, Stack, D, DVar); | ||||
14144 | continue; | ||||
14145 | } | ||||
14146 | |||||
14147 | // OpenMP [2.14.3.6, Restrictions, p.1] | ||||
14148 | // A list item that appears in a reduction clause of a worksharing | ||||
14149 | // construct must be shared in the parallel regions to which any of the | ||||
14150 | // worksharing regions arising from the worksharing construct bind. | ||||
14151 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||
14152 | !isOpenMPParallelDirective(CurrDir) && | ||||
14153 | !isOpenMPTeamsDirective(CurrDir)) { | ||||
14154 | DVar = Stack->getImplicitDSA(D, true); | ||||
14155 | if (DVar.CKind != OMPC_shared) { | ||||
14156 | S.Diag(ELoc, diag::err_omp_required_access) | ||||
14157 | << getOpenMPClauseName(OMPC_reduction) | ||||
14158 | << getOpenMPClauseName(OMPC_shared); | ||||
14159 | reportOriginalDsa(S, Stack, D, DVar); | ||||
14160 | continue; | ||||
14161 | } | ||||
14162 | } | ||||
14163 | } | ||||
14164 | |||||
14165 | // Try to find 'declare reduction' corresponding construct before using | ||||
14166 | // builtin/overloaded operators. | ||||
14167 | CXXCastPath BasePath; | ||||
14168 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||
14169 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||
14170 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||
14171 | if (DeclareReductionRef.isInvalid()) | ||||
14172 | continue; | ||||
14173 | if (S.CurContext->isDependentContext() && | ||||
14174 | (DeclareReductionRef.isUnset() || | ||||
14175 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | ||||
14176 | RD.push(RefExpr, DeclareReductionRef.get()); | ||||
14177 | continue; | ||||
14178 | } | ||||
14179 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { | ||||
14180 | // Not allowed reduction identifier is found. | ||||
14181 | S.Diag(ReductionId.getBeginLoc(), | ||||
14182 | diag::err_omp_unknown_reduction_identifier) | ||||
14183 | << Type << ReductionIdRange; | ||||
14184 | continue; | ||||
14185 | } | ||||
14186 | |||||
14187 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||
14188 | // The type of a list item that appears in a reduction clause must be valid | ||||
14189 | // for the reduction-identifier. For a max or min reduction in C, the type | ||||
14190 | // of the list item must be an allowed arithmetic data type: char, int, | ||||
14191 | // float, double, or _Bool, possibly modified with long, short, signed, or | ||||
14192 | // unsigned. For a max or min reduction in C++, the type of the list item | ||||
14193 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | ||||
14194 | // double, or bool, possibly modified with long, short, signed, or unsigned. | ||||
14195 | if (DeclareReductionRef.isUnset()) { | ||||
14196 | if ((BOK == BO_GT || BOK == BO_LT) && | ||||
14197 | !(Type->isScalarType() || | ||||
14198 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | ||||
14199 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | ||||
14200 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | ||||
14201 | if (!ASE && !OASE) { | ||||
14202 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
14203 | VarDecl::DeclarationOnly; | ||||
14204 | S.Diag(D->getLocation(), | ||||
14205 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14206 | << D; | ||||
14207 | } | ||||
14208 | continue; | ||||
14209 | } | ||||
14210 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | ||||
14211 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | ||||
14212 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | ||||
14213 | << getOpenMPClauseName(ClauseKind); | ||||
14214 | if (!ASE && !OASE) { | ||||
14215 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
14216 | VarDecl::DeclarationOnly; | ||||
14217 | S.Diag(D->getLocation(), | ||||
14218 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14219 | << D; | ||||
14220 | } | ||||
14221 | continue; | ||||
14222 | } | ||||
14223 | } | ||||
14224 | |||||
14225 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | ||||
14226 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | ||||
14227 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
14228 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | ||||
14229 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
14230 | QualType PrivateTy = Type; | ||||
14231 | |||||
14232 | // Try if we can determine constant lengths for all array sections and avoid | ||||
14233 | // the VLA. | ||||
14234 | bool ConstantLengthOASE = false; | ||||
14235 | if (OASE) { | ||||
14236 | bool SingleElement; | ||||
14237 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | ||||
14238 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( | ||||
14239 | Context, OASE, SingleElement, ArraySizes); | ||||
14240 | |||||
14241 | // If we don't have a single element, we must emit a constant array type. | ||||
14242 | if (ConstantLengthOASE && !SingleElement) { | ||||
14243 | for (llvm::APSInt &Size : ArraySizes) | ||||
14244 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, | ||||
14245 | ArrayType::Normal, | ||||
14246 | /*IndexTypeQuals=*/0); | ||||
14247 | } | ||||
14248 | } | ||||
14249 | |||||
14250 | if ((OASE && !ConstantLengthOASE) || | ||||
14251 | (!OASE && !ASE && | ||||
14252 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | ||||
14253 | if (!Context.getTargetInfo().isVLASupported()) { | ||||
14254 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { | ||||
14255 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||
14256 | S.Diag(ELoc, diag::note_vla_unsupported); | ||||
14257 | } else { | ||||
14258 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||
14259 | S.targetDiag(ELoc, diag::note_vla_unsupported); | ||||
14260 | } | ||||
14261 | continue; | ||||
14262 | } | ||||
14263 | // For arrays/array sections only: | ||||
14264 | // Create pseudo array type for private copy. The size for this array will | ||||
14265 | // be generated during codegen. | ||||
14266 | // For array subscripts or single variables Private Ty is the same as Type | ||||
14267 | // (type of the variable or single array element). | ||||
14268 | PrivateTy = Context.getVariableArrayType( | ||||
14269 | Type, | ||||
14270 | new (Context) OpaqueValueExpr(ELoc, Context.getSizeType(), VK_RValue), | ||||
14271 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | ||||
14272 | } else if (!ASE && !OASE && | ||||
14273 | Context.getAsArrayType(D->getType().getNonReferenceType())) { | ||||
14274 | PrivateTy = D->getType().getNonReferenceType(); | ||||
14275 | } | ||||
14276 | // Private copy. | ||||
14277 | VarDecl *PrivateVD = | ||||
14278 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | ||||
14279 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
14280 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
14281 | // Add initializer for private variable. | ||||
14282 | Expr *Init = nullptr; | ||||
14283 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | ||||
14284 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | ||||
14285 | if (DeclareReductionRef.isUsable()) { | ||||
14286 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | ||||
14287 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | ||||
14288 | if (DRD->getInitializer()) { | ||||
14289 | Init = DRDRef; | ||||
14290 | RHSVD->setInit(DRDRef); | ||||
14291 | RHSVD->setInitStyle(VarDecl::CallInit); | ||||
14292 | } | ||||
14293 | } else { | ||||
14294 | switch (BOK) { | ||||
14295 | case BO_Add: | ||||
14296 | case BO_Xor: | ||||
14297 | case BO_Or: | ||||
14298 | case BO_LOr: | ||||
14299 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | ||||
14300 | if (Type->isScalarType() || Type->isAnyComplexType()) | ||||
14301 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | ||||
14302 | break; | ||||
14303 | case BO_Mul: | ||||
14304 | case BO_LAnd: | ||||
14305 | if (Type->isScalarType() || Type->isAnyComplexType()) { | ||||
14306 | // '*' and '&&' reduction ops - initializer is '1'. | ||||
14307 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | ||||
14308 | } | ||||
14309 | break; | ||||
14310 | case BO_And: { | ||||
14311 | // '&' reduction op - initializer is '~0'. | ||||
14312 | QualType OrigType = Type; | ||||
14313 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | ||||
14314 | Type = ComplexTy->getElementType(); | ||||
14315 | if (Type->isRealFloatingType()) { | ||||
14316 | llvm::APFloat InitValue = | ||||
14317 | llvm::APFloat::getAllOnesValue(Context.getTypeSize(Type), | ||||
14318 | /*isIEEE=*/true); | ||||
14319 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||
14320 | Type, ELoc); | ||||
14321 | } else if (Type->isScalarType()) { | ||||
14322 | uint64_t Size = Context.getTypeSize(Type); | ||||
14323 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | ||||
14324 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | ||||
14325 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||
14326 | } | ||||
14327 | if (Init && OrigType->isAnyComplexType()) { | ||||
14328 | // Init = 0xFFFF + 0xFFFFi; | ||||
14329 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | ||||
14330 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | ||||
14331 | } | ||||
14332 | Type = OrigType; | ||||
14333 | break; | ||||
14334 | } | ||||
14335 | case BO_LT: | ||||
14336 | case BO_GT: { | ||||
14337 | // 'min' reduction op - initializer is 'Largest representable number in | ||||
14338 | // the reduction list item type'. | ||||
14339 | // 'max' reduction op - initializer is 'Least representable number in | ||||
14340 | // the reduction list item type'. | ||||
14341 | if (Type->isIntegerType() || Type->isPointerType()) { | ||||
14342 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | ||||
14343 | uint64_t Size = Context.getTypeSize(Type); | ||||
14344 | QualType IntTy = | ||||
14345 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | ||||
14346 | llvm::APInt InitValue = | ||||
14347 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | ||||
14348 | : llvm::APInt::getMinValue(Size) | ||||
14349 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | ||||
14350 | : llvm::APInt::getMaxValue(Size); | ||||
14351 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||
14352 | if (Type->isPointerType()) { | ||||
14353 | // Cast to pointer type. | ||||
14354 | ExprResult CastExpr = S.BuildCStyleCastExpr( | ||||
14355 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | ||||
14356 | if (CastExpr.isInvalid()) | ||||
14357 | continue; | ||||
14358 | Init = CastExpr.get(); | ||||
14359 | } | ||||
14360 | } else if (Type->isRealFloatingType()) { | ||||
14361 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | ||||
14362 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | ||||
14363 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||
14364 | Type, ELoc); | ||||
14365 | } | ||||
14366 | break; | ||||
14367 | } | ||||
14368 | case BO_PtrMemD: | ||||
14369 | case BO_PtrMemI: | ||||
14370 | case BO_MulAssign: | ||||
14371 | case BO_Div: | ||||
14372 | case BO_Rem: | ||||
14373 | case BO_Sub: | ||||
14374 | case BO_Shl: | ||||
14375 | case BO_Shr: | ||||
14376 | case BO_LE: | ||||
14377 | case BO_GE: | ||||
14378 | case BO_EQ: | ||||
14379 | case BO_NE: | ||||
14380 | case BO_Cmp: | ||||
14381 | case BO_AndAssign: | ||||
14382 | case BO_XorAssign: | ||||
14383 | case BO_OrAssign: | ||||
14384 | case BO_Assign: | ||||
14385 | case BO_AddAssign: | ||||
14386 | case BO_SubAssign: | ||||
14387 | case BO_DivAssign: | ||||
14388 | case BO_RemAssign: | ||||
14389 | case BO_ShlAssign: | ||||
14390 | case BO_ShrAssign: | ||||
14391 | case BO_Comma: | ||||
14392 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14392); | ||||
14393 | } | ||||
14394 | } | ||||
14395 | if (Init && DeclareReductionRef.isUnset()) | ||||
14396 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | ||||
14397 | else if (!Init) | ||||
14398 | S.ActOnUninitializedDecl(RHSVD); | ||||
14399 | if (RHSVD->isInvalidDecl()) | ||||
14400 | continue; | ||||
14401 | if (!RHSVD->hasInit() && | ||||
14402 | (DeclareReductionRef.isUnset() || !S.LangOpts.CPlusPlus)) { | ||||
14403 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | ||||
14404 | << Type << ReductionIdRange; | ||||
14405 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||
14406 | VarDecl::DeclarationOnly; | ||||
14407 | S.Diag(D->getLocation(), | ||||
14408 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14409 | << D; | ||||
14410 | continue; | ||||
14411 | } | ||||
14412 | // Store initializer for single element in private copy. Will be used during | ||||
14413 | // codegen. | ||||
14414 | PrivateVD->setInit(RHSVD->getInit()); | ||||
14415 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | ||||
14416 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | ||||
14417 | ExprResult ReductionOp; | ||||
14418 | if (DeclareReductionRef.isUsable()) { | ||||
14419 | QualType RedTy = DeclareReductionRef.get()->getType(); | ||||
14420 | QualType PtrRedTy = Context.getPointerType(RedTy); | ||||
14421 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | ||||
14422 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | ||||
14423 | if (!BasePath.empty()) { | ||||
14424 | LHS = S.DefaultLvalueConversion(LHS.get()); | ||||
14425 | RHS = S.DefaultLvalueConversion(RHS.get()); | ||||
14426 | LHS = ImplicitCastExpr::Create(Context, PtrRedTy, | ||||
14427 | CK_UncheckedDerivedToBase, LHS.get(), | ||||
14428 | &BasePath, LHS.get()->getValueKind()); | ||||
14429 | RHS = ImplicitCastExpr::Create(Context, PtrRedTy, | ||||
14430 | CK_UncheckedDerivedToBase, RHS.get(), | ||||
14431 | &BasePath, RHS.get()->getValueKind()); | ||||
14432 | } | ||||
14433 | FunctionProtoType::ExtProtoInfo EPI; | ||||
14434 | QualType Params[] = {PtrRedTy, PtrRedTy}; | ||||
14435 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | ||||
14436 | auto *OVE = new (Context) OpaqueValueExpr( | ||||
14437 | ELoc, Context.getPointerType(FnTy), VK_RValue, OK_Ordinary, | ||||
14438 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | ||||
14439 | Expr *Args[] = {LHS.get(), RHS.get()}; | ||||
14440 | ReductionOp = | ||||
14441 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_RValue, ELoc); | ||||
14442 | } else { | ||||
14443 | ReductionOp = S.BuildBinOp( | ||||
14444 | Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, LHSDRE, RHSDRE); | ||||
14445 | if (ReductionOp.isUsable()) { | ||||
14446 | if (BOK != BO_LT && BOK != BO_GT) { | ||||
14447 | ReductionOp = | ||||
14448 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||
14449 | BO_Assign, LHSDRE, ReductionOp.get()); | ||||
14450 | } else { | ||||
14451 | auto *ConditionalOp = new (Context) | ||||
14452 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, RHSDRE, | ||||
14453 | Type, VK_LValue, OK_Ordinary); | ||||
14454 | ReductionOp = | ||||
14455 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||
14456 | BO_Assign, LHSDRE, ConditionalOp); | ||||
14457 | } | ||||
14458 | if (ReductionOp.isUsable()) | ||||
14459 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), | ||||
14460 | /*DiscardedValue*/ false); | ||||
14461 | } | ||||
14462 | if (!ReductionOp.isUsable()) | ||||
14463 | continue; | ||||
14464 | } | ||||
14465 | |||||
14466 | // OpenMP [2.15.4.6, Restrictions, p.2] | ||||
14467 | // A list item that appears in an in_reduction clause of a task construct | ||||
14468 | // must appear in a task_reduction clause of a construct associated with a | ||||
14469 | // taskgroup region that includes the participating task in its taskgroup | ||||
14470 | // set. The construct associated with the innermost region that meets this | ||||
14471 | // condition must specify the same reduction-identifier as the in_reduction | ||||
14472 | // clause. | ||||
14473 | if (ClauseKind == OMPC_in_reduction) { | ||||
14474 | SourceRange ParentSR; | ||||
14475 | BinaryOperatorKind ParentBOK; | ||||
14476 | const Expr *ParentReductionOp; | ||||
14477 | Expr *ParentBOKTD, *ParentReductionOpTD; | ||||
14478 | DSAStackTy::DSAVarData ParentBOKDSA = | ||||
14479 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | ||||
14480 | ParentBOKTD); | ||||
14481 | DSAStackTy::DSAVarData ParentReductionOpDSA = | ||||
14482 | Stack->getTopMostTaskgroupReductionData( | ||||
14483 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | ||||
14484 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | ||||
14485 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | ||||
14486 | if (!IsParentBOK && !IsParentReductionOp) { | ||||
14487 | S.Diag(ELoc, diag::err_omp_in_reduction_not_task_reduction); | ||||
14488 | continue; | ||||
14489 | } | ||||
14490 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | ||||
14491 | (DeclareReductionRef.isUsable() && IsParentBOK) || BOK != ParentBOK || | ||||
14492 | IsParentReductionOp) { | ||||
14493 | bool EmitError = true; | ||||
14494 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | ||||
14495 | llvm::FoldingSetNodeID RedId, ParentRedId; | ||||
14496 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | ||||
14497 | DeclareReductionRef.get()->Profile(RedId, Context, | ||||
14498 | /*Canonical=*/true); | ||||
14499 | EmitError = RedId != ParentRedId; | ||||
14500 | } | ||||
14501 | if (EmitError) { | ||||
14502 | S.Diag(ReductionId.getBeginLoc(), | ||||
14503 | diag::err_omp_reduction_identifier_mismatch) | ||||
14504 | << ReductionIdRange << RefExpr->getSourceRange(); | ||||
14505 | S.Diag(ParentSR.getBegin(), | ||||
14506 | diag::note_omp_previous_reduction_identifier) | ||||
14507 | << ParentSR | ||||
14508 | << (IsParentBOK ? ParentBOKDSA.RefExpr | ||||
14509 | : ParentReductionOpDSA.RefExpr) | ||||
14510 | ->getSourceRange(); | ||||
14511 | continue; | ||||
14512 | } | ||||
14513 | } | ||||
14514 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | ||||
14515 | assert(TaskgroupDescriptor && "Taskgroup descriptor must be defined.")((TaskgroupDescriptor && "Taskgroup descriptor must be defined." ) ? static_cast<void> (0) : __assert_fail ("TaskgroupDescriptor && \"Taskgroup descriptor must be defined.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14515, __PRETTY_FUNCTION__)); | ||||
14516 | } | ||||
14517 | |||||
14518 | DeclRefExpr *Ref = nullptr; | ||||
14519 | Expr *VarsExpr = RefExpr->IgnoreParens(); | ||||
14520 | if (!VD && !S.CurContext->isDependentContext()) { | ||||
14521 | if (ASE || OASE) { | ||||
14522 | TransformExprToCaptures RebuildToCapture(S, D); | ||||
14523 | VarsExpr = | ||||
14524 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | ||||
14525 | Ref = RebuildToCapture.getCapturedExpr(); | ||||
14526 | } else { | ||||
14527 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | ||||
14528 | } | ||||
14529 | if (!S.isOpenMPCapturedDecl(D)) { | ||||
14530 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | ||||
14531 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
14532 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | ||||
14533 | if (!RefRes.isUsable()) | ||||
14534 | continue; | ||||
14535 | ExprResult PostUpdateRes = | ||||
14536 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||
14537 | RefRes.get()); | ||||
14538 | if (!PostUpdateRes.isUsable()) | ||||
14539 | continue; | ||||
14540 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||
14541 | Stack->getCurrentDirective() == OMPD_taskgroup) { | ||||
14542 | S.Diag(RefExpr->getExprLoc(), | ||||
14543 | diag::err_omp_reduction_non_addressable_expression) | ||||
14544 | << RefExpr->getSourceRange(); | ||||
14545 | continue; | ||||
14546 | } | ||||
14547 | RD.ExprPostUpdates.emplace_back( | ||||
14548 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
14549 | } | ||||
14550 | } | ||||
14551 | } | ||||
14552 | // All reduction items are still marked as reduction (to do not increase | ||||
14553 | // code base size). | ||||
14554 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref); | ||||
14555 | if (CurrDir == OMPD_taskgroup) { | ||||
14556 | if (DeclareReductionRef.isUsable()) | ||||
14557 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | ||||
14558 | DeclareReductionRef.get()); | ||||
14559 | else | ||||
14560 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | ||||
14561 | } | ||||
14562 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | ||||
14563 | TaskgroupDescriptor); | ||||
14564 | } | ||||
14565 | return RD.Vars.empty(); | ||||
14566 | } | ||||
14567 | |||||
14568 | OMPClause *Sema::ActOnOpenMPReductionClause( | ||||
14569 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
14570 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
14571 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
14572 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
14573 | ReductionData RD(VarList.size()); | ||||
14574 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | ||||
14575 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
14576 | ReductionIdScopeSpec, ReductionId, | ||||
14577 | UnresolvedReductions, RD)) | ||||
14578 | return nullptr; | ||||
14579 | |||||
14580 | return OMPReductionClause::Create( | ||||
14581 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||
14582 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
14583 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | ||||
14584 | buildPreInits(Context, RD.ExprCaptures), | ||||
14585 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
14586 | } | ||||
14587 | |||||
14588 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | ||||
14589 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
14590 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
14591 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
14592 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
14593 | ReductionData RD(VarList.size()); | ||||
14594 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, | ||||
14595 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
14596 | ReductionIdScopeSpec, ReductionId, | ||||
14597 | UnresolvedReductions, RD)) | ||||
14598 | return nullptr; | ||||
14599 | |||||
14600 | return OMPTaskReductionClause::Create( | ||||
14601 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||
14602 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
14603 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | ||||
14604 | buildPreInits(Context, RD.ExprCaptures), | ||||
14605 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
14606 | } | ||||
14607 | |||||
14608 | OMPClause *Sema::ActOnOpenMPInReductionClause( | ||||
14609 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||
14610 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||
14611 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||
14612 | ArrayRef<Expr *> UnresolvedReductions) { | ||||
14613 | ReductionData RD(VarList.size()); | ||||
14614 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | ||||
14615 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||
14616 | ReductionIdScopeSpec, ReductionId, | ||||
14617 | UnresolvedReductions, RD)) | ||||
14618 | return nullptr; | ||||
14619 | |||||
14620 | return OMPInReductionClause::Create( | ||||
14621 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||
14622 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||
14623 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | ||||
14624 | buildPreInits(Context, RD.ExprCaptures), | ||||
14625 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||
14626 | } | ||||
14627 | |||||
14628 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | ||||
14629 | SourceLocation LinLoc) { | ||||
14630 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | ||||
14631 | LinKind == OMPC_LINEAR_unknown) { | ||||
14632 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | ||||
14633 | return true; | ||||
14634 | } | ||||
14635 | return false; | ||||
14636 | } | ||||
14637 | |||||
14638 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, | ||||
14639 | OpenMPLinearClauseKind LinKind, QualType Type, | ||||
14640 | bool IsDeclareSimd) { | ||||
14641 | const auto *VD = dyn_cast_or_null<VarDecl>(D); | ||||
14642 | // A variable must not have an incomplete type or a reference type. | ||||
14643 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | ||||
14644 | return true; | ||||
14645 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | ||||
14646 | !Type->isReferenceType()) { | ||||
14647 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | ||||
14648 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | ||||
14649 | return true; | ||||
14650 | } | ||||
14651 | Type = Type.getNonReferenceType(); | ||||
14652 | |||||
14653 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||
14654 | // A variable that is privatized must not have a const-qualified type | ||||
14655 | // unless it is of class type with a mutable member. This restriction does | ||||
14656 | // not apply to the firstprivate clause, nor to the linear clause on | ||||
14657 | // declarative directives (like declare simd). | ||||
14658 | if (!IsDeclareSimd && | ||||
14659 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) | ||||
14660 | return true; | ||||
14661 | |||||
14662 | // A list item must be of integral or pointer type. | ||||
14663 | Type = Type.getUnqualifiedType().getCanonicalType(); | ||||
14664 | const auto *Ty = Type.getTypePtrOrNull(); | ||||
14665 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && | ||||
14666 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { | ||||
14667 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | ||||
14668 | if (D) { | ||||
14669 | bool IsDecl = | ||||
14670 | !VD || | ||||
14671 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
14672 | Diag(D->getLocation(), | ||||
14673 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14674 | << D; | ||||
14675 | } | ||||
14676 | return true; | ||||
14677 | } | ||||
14678 | return false; | ||||
14679 | } | ||||
14680 | |||||
14681 | OMPClause *Sema::ActOnOpenMPLinearClause( | ||||
14682 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | ||||
14683 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | ||||
14684 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||
14685 | SmallVector<Expr *, 8> Vars; | ||||
14686 | SmallVector<Expr *, 8> Privates; | ||||
14687 | SmallVector<Expr *, 8> Inits; | ||||
14688 | SmallVector<Decl *, 4> ExprCaptures; | ||||
14689 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||
14690 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | ||||
14691 | LinKind = OMPC_LINEAR_val; | ||||
14692 | for (Expr *RefExpr : VarList) { | ||||
14693 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14693, __PRETTY_FUNCTION__)); | ||||
14694 | SourceLocation ELoc; | ||||
14695 | SourceRange ERange; | ||||
14696 | Expr *SimpleRefExpr = RefExpr; | ||||
14697 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
14698 | if (Res.second) { | ||||
14699 | // It will be analyzed later. | ||||
14700 | Vars.push_back(RefExpr); | ||||
14701 | Privates.push_back(nullptr); | ||||
14702 | Inits.push_back(nullptr); | ||||
14703 | } | ||||
14704 | ValueDecl *D = Res.first; | ||||
14705 | if (!D) | ||||
14706 | continue; | ||||
14707 | |||||
14708 | QualType Type = D->getType(); | ||||
14709 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14710 | |||||
14711 | // OpenMP [2.14.3.7, linear clause] | ||||
14712 | // A list-item cannot appear in more than one linear clause. | ||||
14713 | // A list-item that appears in a linear clause cannot appear in any | ||||
14714 | // other data-sharing attribute clause. | ||||
14715 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
14716 | if (DVar.RefExpr) { | ||||
14717 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||
14718 | << getOpenMPClauseName(OMPC_linear); | ||||
14719 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
14720 | continue; | ||||
14721 | } | ||||
14722 | |||||
14723 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | ||||
14724 | continue; | ||||
14725 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||
14726 | |||||
14727 | // Build private copy of original var. | ||||
14728 | VarDecl *Private = | ||||
14729 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
14730 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
14731 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
14732 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | ||||
14733 | // Build var to save initial value. | ||||
14734 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | ||||
14735 | Expr *InitExpr; | ||||
14736 | DeclRefExpr *Ref = nullptr; | ||||
14737 | if (!VD && !CurContext->isDependentContext()) { | ||||
14738 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
14739 | if (!isOpenMPCapturedDecl(D)) { | ||||
14740 | ExprCaptures.push_back(Ref->getDecl()); | ||||
14741 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||
14742 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||
14743 | if (!RefRes.isUsable()) | ||||
14744 | continue; | ||||
14745 | ExprResult PostUpdateRes = | ||||
14746 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | ||||
14747 | SimpleRefExpr, RefRes.get()); | ||||
14748 | if (!PostUpdateRes.isUsable()) | ||||
14749 | continue; | ||||
14750 | ExprPostUpdates.push_back( | ||||
14751 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||
14752 | } | ||||
14753 | } | ||||
14754 | } | ||||
14755 | if (LinKind == OMPC_LINEAR_uval) | ||||
14756 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | ||||
14757 | else | ||||
14758 | InitExpr = VD ? SimpleRefExpr : Ref; | ||||
14759 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | ||||
14760 | /*DirectInit=*/false); | ||||
14761 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | ||||
14762 | |||||
14763 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | ||||
14764 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
14765 | ? RefExpr->IgnoreParens() | ||||
14766 | : Ref); | ||||
14767 | Privates.push_back(PrivateRef); | ||||
14768 | Inits.push_back(InitRef); | ||||
14769 | } | ||||
14770 | |||||
14771 | if (Vars.empty()) | ||||
14772 | return nullptr; | ||||
14773 | |||||
14774 | Expr *StepExpr = Step; | ||||
14775 | Expr *CalcStepExpr = nullptr; | ||||
14776 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||
14777 | !Step->isInstantiationDependent() && | ||||
14778 | !Step->containsUnexpandedParameterPack()) { | ||||
14779 | SourceLocation StepLoc = Step->getBeginLoc(); | ||||
14780 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | ||||
14781 | if (Val.isInvalid()) | ||||
14782 | return nullptr; | ||||
14783 | StepExpr = Val.get(); | ||||
14784 | |||||
14785 | // Build var to save the step value. | ||||
14786 | VarDecl *SaveVar = | ||||
14787 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | ||||
14788 | ExprResult SaveRef = | ||||
14789 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | ||||
14790 | ExprResult CalcStep = | ||||
14791 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | ||||
14792 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); | ||||
14793 | |||||
14794 | // Warn about zero linear step (it would be probably better specified as | ||||
14795 | // making corresponding variables 'const'). | ||||
14796 | llvm::APSInt Result; | ||||
14797 | bool IsConstant = StepExpr->isIntegerConstantExpr(Result, Context); | ||||
14798 | if (IsConstant && !Result.isNegative() && !Result.isStrictlyPositive()) | ||||
14799 | Diag(StepLoc, diag::warn_omp_linear_step_zero) << Vars[0] | ||||
14800 | << (Vars.size() > 1); | ||||
14801 | if (!IsConstant && CalcStep.isUsable()) { | ||||
14802 | // Calculate the step beforehand instead of doing this on each iteration. | ||||
14803 | // (This is not used if the number of iterations may be kfold-ed). | ||||
14804 | CalcStepExpr = CalcStep.get(); | ||||
14805 | } | ||||
14806 | } | ||||
14807 | |||||
14808 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | ||||
14809 | ColonLoc, EndLoc, Vars, Privates, Inits, | ||||
14810 | StepExpr, CalcStepExpr, | ||||
14811 | buildPreInits(Context, ExprCaptures), | ||||
14812 | buildPostUpdate(*this, ExprPostUpdates)); | ||||
14813 | } | ||||
14814 | |||||
14815 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||
14816 | Expr *NumIterations, Sema &SemaRef, | ||||
14817 | Scope *S, DSAStackTy *Stack) { | ||||
14818 | // Walk the vars and build update/final expressions for the CodeGen. | ||||
14819 | SmallVector<Expr *, 8> Updates; | ||||
14820 | SmallVector<Expr *, 8> Finals; | ||||
14821 | SmallVector<Expr *, 8> UsedExprs; | ||||
14822 | Expr *Step = Clause.getStep(); | ||||
14823 | Expr *CalcStep = Clause.getCalcStep(); | ||||
14824 | // OpenMP [2.14.3.7, linear clause] | ||||
14825 | // If linear-step is not specified it is assumed to be 1. | ||||
14826 | if (!Step) | ||||
14827 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||
14828 | else if (CalcStep) | ||||
14829 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | ||||
14830 | bool HasErrors = false; | ||||
14831 | auto CurInit = Clause.inits().begin(); | ||||
14832 | auto CurPrivate = Clause.privates().begin(); | ||||
14833 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); | ||||
14834 | for (Expr *RefExpr : Clause.varlists()) { | ||||
14835 | SourceLocation ELoc; | ||||
14836 | SourceRange ERange; | ||||
14837 | Expr *SimpleRefExpr = RefExpr; | ||||
14838 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); | ||||
14839 | ValueDecl *D = Res.first; | ||||
14840 | if (Res.second || !D) { | ||||
14841 | Updates.push_back(nullptr); | ||||
14842 | Finals.push_back(nullptr); | ||||
14843 | HasErrors = true; | ||||
14844 | continue; | ||||
14845 | } | ||||
14846 | auto &&Info = Stack->isLoopControlVariable(D); | ||||
14847 | // OpenMP [2.15.11, distribute simd Construct] | ||||
14848 | // A list item may not appear in a linear clause, unless it is the loop | ||||
14849 | // iteration variable. | ||||
14850 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | ||||
14851 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | ||||
14852 | SemaRef.Diag(ELoc, | ||||
14853 | diag::err_omp_linear_distribute_var_non_loop_iteration); | ||||
14854 | Updates.push_back(nullptr); | ||||
14855 | Finals.push_back(nullptr); | ||||
14856 | HasErrors = true; | ||||
14857 | continue; | ||||
14858 | } | ||||
14859 | Expr *InitExpr = *CurInit; | ||||
14860 | |||||
14861 | // Build privatized reference to the current linear var. | ||||
14862 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | ||||
14863 | Expr *CapturedRef; | ||||
14864 | if (LinKind == OMPC_LINEAR_uval) | ||||
14865 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | ||||
14866 | else | ||||
14867 | CapturedRef = | ||||
14868 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | ||||
14869 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | ||||
14870 | /*RefersToCapture=*/true); | ||||
14871 | |||||
14872 | // Build update: Var = InitExpr + IV * Step | ||||
14873 | ExprResult Update; | ||||
14874 | if (!Info.first) | ||||
14875 | Update = buildCounterUpdate( | ||||
14876 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, | ||||
14877 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); | ||||
14878 | else | ||||
14879 | Update = *CurPrivate; | ||||
14880 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), | ||||
14881 | /*DiscardedValue*/ false); | ||||
14882 | |||||
14883 | // Build final: Var = InitExpr + NumIterations * Step | ||||
14884 | ExprResult Final; | ||||
14885 | if (!Info.first) | ||||
14886 | Final = | ||||
14887 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | ||||
14888 | InitExpr, NumIterations, Step, /*Subtract=*/false, | ||||
14889 | /*IsNonRectangularLB=*/false); | ||||
14890 | else | ||||
14891 | Final = *CurPrivate; | ||||
14892 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), | ||||
14893 | /*DiscardedValue*/ false); | ||||
14894 | |||||
14895 | if (!Update.isUsable() || !Final.isUsable()) { | ||||
14896 | Updates.push_back(nullptr); | ||||
14897 | Finals.push_back(nullptr); | ||||
14898 | UsedExprs.push_back(nullptr); | ||||
14899 | HasErrors = true; | ||||
14900 | } else { | ||||
14901 | Updates.push_back(Update.get()); | ||||
14902 | Finals.push_back(Final.get()); | ||||
14903 | if (!Info.first) | ||||
14904 | UsedExprs.push_back(SimpleRefExpr); | ||||
14905 | } | ||||
14906 | ++CurInit; | ||||
14907 | ++CurPrivate; | ||||
14908 | } | ||||
14909 | if (Expr *S = Clause.getStep()) | ||||
14910 | UsedExprs.push_back(S); | ||||
14911 | // Fill the remaining part with the nullptr. | ||||
14912 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); | ||||
14913 | Clause.setUpdates(Updates); | ||||
14914 | Clause.setFinals(Finals); | ||||
14915 | Clause.setUsedExprs(UsedExprs); | ||||
14916 | return HasErrors; | ||||
14917 | } | ||||
14918 | |||||
14919 | OMPClause *Sema::ActOnOpenMPAlignedClause( | ||||
14920 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | ||||
14921 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||
14922 | SmallVector<Expr *, 8> Vars; | ||||
14923 | for (Expr *RefExpr : VarList) { | ||||
14924 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 14924, __PRETTY_FUNCTION__)); | ||||
14925 | SourceLocation ELoc; | ||||
14926 | SourceRange ERange; | ||||
14927 | Expr *SimpleRefExpr = RefExpr; | ||||
14928 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
14929 | if (Res.second) { | ||||
14930 | // It will be analyzed later. | ||||
14931 | Vars.push_back(RefExpr); | ||||
14932 | } | ||||
14933 | ValueDecl *D = Res.first; | ||||
14934 | if (!D) | ||||
14935 | continue; | ||||
14936 | |||||
14937 | QualType QType = D->getType(); | ||||
14938 | auto *VD = dyn_cast<VarDecl>(D); | ||||
14939 | |||||
14940 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
14941 | // The type of list items appearing in the aligned clause must be | ||||
14942 | // array, pointer, reference to array, or reference to pointer. | ||||
14943 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||
14944 | const Type *Ty = QType.getTypePtrOrNull(); | ||||
14945 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||
14946 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | ||||
14947 | << QType << getLangOpts().CPlusPlus << ERange; | ||||
14948 | bool IsDecl = | ||||
14949 | !VD || | ||||
14950 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
14951 | Diag(D->getLocation(), | ||||
14952 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
14953 | << D; | ||||
14954 | continue; | ||||
14955 | } | ||||
14956 | |||||
14957 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||
14958 | // A list-item cannot appear in more than one aligned clause. | ||||
14959 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | ||||
14960 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||
14961 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; | ||||
14962 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
14963 | << getOpenMPClauseName(OMPC_aligned); | ||||
14964 | continue; | ||||
14965 | } | ||||
14966 | |||||
14967 | DeclRefExpr *Ref = nullptr; | ||||
14968 | if (!VD && isOpenMPCapturedDecl(D)) | ||||
14969 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
14970 | Vars.push_back(DefaultFunctionArrayConversion( | ||||
14971 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | ||||
14972 | .get()); | ||||
14973 | } | ||||
14974 | |||||
14975 | // OpenMP [2.8.1, simd construct, Description] | ||||
14976 | // The parameter of the aligned clause, alignment, must be a constant | ||||
14977 | // positive integer expression. | ||||
14978 | // If no optional parameter is specified, implementation-defined default | ||||
14979 | // alignments for SIMD instructions on the target platforms are assumed. | ||||
14980 | if (Alignment != nullptr) { | ||||
14981 | ExprResult AlignResult = | ||||
14982 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | ||||
14983 | if (AlignResult.isInvalid()) | ||||
14984 | return nullptr; | ||||
14985 | Alignment = AlignResult.get(); | ||||
14986 | } | ||||
14987 | if (Vars.empty()) | ||||
14988 | return nullptr; | ||||
14989 | |||||
14990 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | ||||
14991 | EndLoc, Vars, Alignment); | ||||
14992 | } | ||||
14993 | |||||
14994 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | ||||
14995 | SourceLocation StartLoc, | ||||
14996 | SourceLocation LParenLoc, | ||||
14997 | SourceLocation EndLoc) { | ||||
14998 | SmallVector<Expr *, 8> Vars; | ||||
14999 | SmallVector<Expr *, 8> SrcExprs; | ||||
15000 | SmallVector<Expr *, 8> DstExprs; | ||||
15001 | SmallVector<Expr *, 8> AssignmentOps; | ||||
15002 | for (Expr *RefExpr : VarList) { | ||||
15003 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")((RefExpr && "NULL expr in OpenMP copyin clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP copyin clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15003, __PRETTY_FUNCTION__)); | ||||
15004 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||
15005 | // It will be analyzed later. | ||||
15006 | Vars.push_back(RefExpr); | ||||
15007 | SrcExprs.push_back(nullptr); | ||||
15008 | DstExprs.push_back(nullptr); | ||||
15009 | AssignmentOps.push_back(nullptr); | ||||
15010 | continue; | ||||
15011 | } | ||||
15012 | |||||
15013 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||
15014 | // OpenMP [2.1, C/C++] | ||||
15015 | // A list item is a variable name. | ||||
15016 | // OpenMP [2.14.4.1, Restrictions, p.1] | ||||
15017 | // A list item that appears in a copyin clause must be threadprivate. | ||||
15018 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); | ||||
15019 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | ||||
15020 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | ||||
15021 | << 0 << RefExpr->getSourceRange(); | ||||
15022 | continue; | ||||
15023 | } | ||||
15024 | |||||
15025 | Decl *D = DE->getDecl(); | ||||
15026 | auto *VD = cast<VarDecl>(D); | ||||
15027 | |||||
15028 | QualType Type = VD->getType(); | ||||
15029 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | ||||
15030 | // It will be analyzed later. | ||||
15031 | Vars.push_back(DE); | ||||
15032 | SrcExprs.push_back(nullptr); | ||||
15033 | DstExprs.push_back(nullptr); | ||||
15034 | AssignmentOps.push_back(nullptr); | ||||
15035 | continue; | ||||
15036 | } | ||||
15037 | |||||
15038 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | ||||
15039 | // A list item that appears in a copyin clause must be threadprivate. | ||||
15040 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
15041 | Diag(ELoc, diag::err_omp_required_access) | ||||
15042 | << getOpenMPClauseName(OMPC_copyin) | ||||
15043 | << getOpenMPDirectiveName(OMPD_threadprivate); | ||||
15044 | continue; | ||||
15045 | } | ||||
15046 | |||||
15047 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||
15048 | // A variable of class type (or array thereof) that appears in a | ||||
15049 | // copyin clause requires an accessible, unambiguous copy assignment | ||||
15050 | // operator for the class type. | ||||
15051 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||
15052 | VarDecl *SrcVD = | ||||
15053 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), | ||||
15054 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||
15055 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( | ||||
15056 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | ||||
15057 | VarDecl *DstVD = | ||||
15058 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", | ||||
15059 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||
15060 | DeclRefExpr *PseudoDstExpr = | ||||
15061 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | ||||
15062 | // For arrays generate assignment operation for single element and replace | ||||
15063 | // it by the original array element in CodeGen. | ||||
15064 | ExprResult AssignmentOp = | ||||
15065 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, | ||||
15066 | PseudoSrcExpr); | ||||
15067 | if (AssignmentOp.isInvalid()) | ||||
15068 | continue; | ||||
15069 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | ||||
15070 | /*DiscardedValue*/ false); | ||||
15071 | if (AssignmentOp.isInvalid()) | ||||
15072 | continue; | ||||
15073 | |||||
15074 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | ||||
15075 | Vars.push_back(DE); | ||||
15076 | SrcExprs.push_back(PseudoSrcExpr); | ||||
15077 | DstExprs.push_back(PseudoDstExpr); | ||||
15078 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
15079 | } | ||||
15080 | |||||
15081 | if (Vars.empty()) | ||||
15082 | return nullptr; | ||||
15083 | |||||
15084 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||
15085 | SrcExprs, DstExprs, AssignmentOps); | ||||
15086 | } | ||||
15087 | |||||
15088 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | ||||
15089 | SourceLocation StartLoc, | ||||
15090 | SourceLocation LParenLoc, | ||||
15091 | SourceLocation EndLoc) { | ||||
15092 | SmallVector<Expr *, 8> Vars; | ||||
15093 | SmallVector<Expr *, 8> SrcExprs; | ||||
15094 | SmallVector<Expr *, 8> DstExprs; | ||||
15095 | SmallVector<Expr *, 8> AssignmentOps; | ||||
15096 | for (Expr *RefExpr : VarList) { | ||||
15097 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((RefExpr && "NULL expr in OpenMP linear clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15097, __PRETTY_FUNCTION__)); | ||||
15098 | SourceLocation ELoc; | ||||
15099 | SourceRange ERange; | ||||
15100 | Expr *SimpleRefExpr = RefExpr; | ||||
15101 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
15102 | if (Res.second) { | ||||
15103 | // It will be analyzed later. | ||||
15104 | Vars.push_back(RefExpr); | ||||
15105 | SrcExprs.push_back(nullptr); | ||||
15106 | DstExprs.push_back(nullptr); | ||||
15107 | AssignmentOps.push_back(nullptr); | ||||
15108 | } | ||||
15109 | ValueDecl *D = Res.first; | ||||
15110 | if (!D) | ||||
15111 | continue; | ||||
15112 | |||||
15113 | QualType Type = D->getType(); | ||||
15114 | auto *VD = dyn_cast<VarDecl>(D); | ||||
15115 | |||||
15116 | // OpenMP [2.14.4.2, Restrictions, p.2] | ||||
15117 | // A list item that appears in a copyprivate clause may not appear in a | ||||
15118 | // private or firstprivate clause on the single construct. | ||||
15119 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
15120 | DSAStackTy::DSAVarData DVar = | ||||
15121 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
15122 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | ||||
15123 | DVar.RefExpr) { | ||||
15124 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||
15125 | << getOpenMPClauseName(DVar.CKind) | ||||
15126 | << getOpenMPClauseName(OMPC_copyprivate); | ||||
15127 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
15128 | continue; | ||||
15129 | } | ||||
15130 | |||||
15131 | // OpenMP [2.11.4.2, Restrictions, p.1] | ||||
15132 | // All list items that appear in a copyprivate clause must be either | ||||
15133 | // threadprivate or private in the enclosing context. | ||||
15134 | if (DVar.CKind == OMPC_unknown) { | ||||
15135 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | ||||
15136 | if (DVar.CKind == OMPC_shared) { | ||||
15137 | Diag(ELoc, diag::err_omp_required_access) | ||||
15138 | << getOpenMPClauseName(OMPC_copyprivate) | ||||
15139 | << "threadprivate or private in the enclosing context"; | ||||
15140 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
15141 | continue; | ||||
15142 | } | ||||
15143 | } | ||||
15144 | } | ||||
15145 | |||||
15146 | // Variably modified types are not supported. | ||||
15147 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | ||||
15148 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||
15149 | << getOpenMPClauseName(OMPC_copyprivate) << Type | ||||
15150 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
15151 | bool IsDecl = | ||||
15152 | !VD || | ||||
15153 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||
15154 | Diag(D->getLocation(), | ||||
15155 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||
15156 | << D; | ||||
15157 | continue; | ||||
15158 | } | ||||
15159 | |||||
15160 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||
15161 | // A variable of class type (or array thereof) that appears in a | ||||
15162 | // copyin clause requires an accessible, unambiguous copy assignment | ||||
15163 | // operator for the class type. | ||||
15164 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | ||||
15165 | .getUnqualifiedType(); | ||||
15166 | VarDecl *SrcVD = | ||||
15167 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", | ||||
15168 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15169 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | ||||
15170 | VarDecl *DstVD = | ||||
15171 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", | ||||
15172 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||
15173 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||
15174 | ExprResult AssignmentOp = BuildBinOp( | ||||
15175 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); | ||||
15176 | if (AssignmentOp.isInvalid()) | ||||
15177 | continue; | ||||
15178 | AssignmentOp = | ||||
15179 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||
15180 | if (AssignmentOp.isInvalid()) | ||||
15181 | continue; | ||||
15182 | |||||
15183 | // No need to mark vars as copyprivate, they are already threadprivate or | ||||
15184 | // implicitly private. | ||||
15185 | assert(VD || isOpenMPCapturedDecl(D))((VD || isOpenMPCapturedDecl(D)) ? static_cast<void> (0 ) : __assert_fail ("VD || isOpenMPCapturedDecl(D)", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15185, __PRETTY_FUNCTION__)); | ||||
15186 | Vars.push_back( | ||||
15187 | VD ? RefExpr->IgnoreParens() | ||||
15188 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | ||||
15189 | SrcExprs.push_back(PseudoSrcExpr); | ||||
15190 | DstExprs.push_back(PseudoDstExpr); | ||||
15191 | AssignmentOps.push_back(AssignmentOp.get()); | ||||
15192 | } | ||||
15193 | |||||
15194 | if (Vars.empty()) | ||||
15195 | return nullptr; | ||||
15196 | |||||
15197 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
15198 | Vars, SrcExprs, DstExprs, AssignmentOps); | ||||
15199 | } | ||||
15200 | |||||
15201 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | ||||
15202 | SourceLocation StartLoc, | ||||
15203 | SourceLocation LParenLoc, | ||||
15204 | SourceLocation EndLoc) { | ||||
15205 | if (VarList.empty()) | ||||
15206 | return nullptr; | ||||
15207 | |||||
15208 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | ||||
15209 | } | ||||
15210 | |||||
15211 | /// Tries to find omp_depend_t. type. | ||||
15212 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, | ||||
15213 | bool Diagnose = true) { | ||||
15214 | QualType OMPDependT = Stack->getOMPDependT(); | ||||
15215 | if (!OMPDependT.isNull()) | ||||
15216 | return true; | ||||
15217 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); | ||||
15218 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | ||||
15219 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||
15220 | if (Diagnose) | ||||
15221 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; | ||||
15222 | return false; | ||||
15223 | } | ||||
15224 | Stack->setOMPDependT(PT.get()); | ||||
15225 | return true; | ||||
15226 | } | ||||
15227 | |||||
15228 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, | ||||
15229 | SourceLocation LParenLoc, | ||||
15230 | SourceLocation EndLoc) { | ||||
15231 | if (!Depobj) | ||||
15232 | return nullptr; | ||||
15233 | |||||
15234 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); | ||||
15235 | |||||
15236 | // OpenMP 5.0, 2.17.10.1 depobj Construct | ||||
15237 | // depobj is an lvalue expression of type omp_depend_t. | ||||
15238 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && | ||||
15239 | !Depobj->isInstantiationDependent() && | ||||
15240 | !Depobj->containsUnexpandedParameterPack() && | ||||
15241 | (OMPDependTFound && | ||||
15242 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), | ||||
15243 | /*CompareUnqualified=*/true))) { | ||||
15244 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||
15245 | << 0 << Depobj->getType() << Depobj->getSourceRange(); | ||||
15246 | } | ||||
15247 | |||||
15248 | if (!Depobj->isLValue()) { | ||||
15249 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||
15250 | << 1 << Depobj->getSourceRange(); | ||||
15251 | } | ||||
15252 | |||||
15253 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); | ||||
15254 | } | ||||
15255 | |||||
15256 | OMPClause * | ||||
15257 | Sema::ActOnOpenMPDependClause(OpenMPDependClauseKind DepKind, | ||||
15258 | SourceLocation DepLoc, SourceLocation ColonLoc, | ||||
15259 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
15260 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
15261 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | ||||
15262 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | ||||
15263 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||
15264 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | ||||
15265 | return nullptr; | ||||
15266 | } | ||||
15267 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || | ||||
15268 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||
15269 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | ||||
15270 | DepKind == OMPC_DEPEND_sink || | ||||
15271 | ((LangOpts.OpenMP < 50 || | ||||
15272 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||
15273 | DepKind == OMPC_DEPEND_depobj))) { | ||||
15274 | SmallVector<unsigned, 3> Except; | ||||
15275 | Except.push_back(OMPC_DEPEND_source); | ||||
15276 | Except.push_back(OMPC_DEPEND_sink); | ||||
15277 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) | ||||
15278 | Except.push_back(OMPC_DEPEND_depobj); | ||||
15279 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||
15280 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||
15281 | /*Last=*/OMPC_DEPEND_unknown, Except) | ||||
15282 | << getOpenMPClauseName(OMPC_depend); | ||||
15283 | return nullptr; | ||||
15284 | } | ||||
15285 | SmallVector<Expr *, 8> Vars; | ||||
15286 | DSAStackTy::OperatorOffsetTy OpsOffs; | ||||
15287 | llvm::APSInt DepCounter(/*BitWidth=*/32); | ||||
15288 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | ||||
15289 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { | ||||
15290 | if (const Expr *OrderedCountExpr = | ||||
15291 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||
15292 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | ||||
15293 | TotalDepCount.setIsUnsigned(/*Val=*/true); | ||||
15294 | } | ||||
15295 | } | ||||
15296 | for (Expr *RefExpr : VarList) { | ||||
15297 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((RefExpr && "NULL expr in OpenMP shared clause.") ? static_cast <void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15297, __PRETTY_FUNCTION__)); | ||||
15298 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||
15299 | // It will be analyzed later. | ||||
15300 | Vars.push_back(RefExpr); | ||||
15301 | continue; | ||||
15302 | } | ||||
15303 | |||||
15304 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||
15305 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); | ||||
15306 | if (DepKind == OMPC_DEPEND_sink) { | ||||
15307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
15308 | DepCounter >= TotalDepCount) { | ||||
15309 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | ||||
15310 | continue; | ||||
15311 | } | ||||
15312 | ++DepCounter; | ||||
15313 | // OpenMP [2.13.9, Summary] | ||||
15314 | // depend(dependence-type : vec), where dependence-type is: | ||||
15315 | // 'sink' and where vec is the iteration vector, which has the form: | ||||
15316 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | ||||
15317 | // where n is the value specified by the ordered clause in the loop | ||||
15318 | // directive, xi denotes the loop iteration variable of the i-th nested | ||||
15319 | // loop associated with the loop directive, and di is a constant | ||||
15320 | // non-negative integer. | ||||
15321 | if (CurContext->isDependentContext()) { | ||||
15322 | // It will be analyzed later. | ||||
15323 | Vars.push_back(RefExpr); | ||||
15324 | continue; | ||||
15325 | } | ||||
15326 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | ||||
15327 | OverloadedOperatorKind OOK = OO_None; | ||||
15328 | SourceLocation OOLoc; | ||||
15329 | Expr *LHS = SimpleExpr; | ||||
15330 | Expr *RHS = nullptr; | ||||
15331 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | ||||
15332 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | ||||
15333 | OOLoc = BO->getOperatorLoc(); | ||||
15334 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | ||||
15335 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | ||||
15336 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | ||||
15337 | OOK = OCE->getOperator(); | ||||
15338 | OOLoc = OCE->getOperatorLoc(); | ||||
15339 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||
15340 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | ||||
15341 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | ||||
15342 | OOK = MCE->getMethodDecl() | ||||
15343 | ->getNameInfo() | ||||
15344 | .getName() | ||||
15345 | .getCXXOverloadedOperator(); | ||||
15346 | OOLoc = MCE->getCallee()->getExprLoc(); | ||||
15347 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | ||||
15348 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||
15349 | } | ||||
15350 | SourceLocation ELoc; | ||||
15351 | SourceRange ERange; | ||||
15352 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); | ||||
15353 | if (Res.second) { | ||||
15354 | // It will be analyzed later. | ||||
15355 | Vars.push_back(RefExpr); | ||||
15356 | } | ||||
15357 | ValueDecl *D = Res.first; | ||||
15358 | if (!D) | ||||
15359 | continue; | ||||
15360 | |||||
15361 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | ||||
15362 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | ||||
15363 | continue; | ||||
15364 | } | ||||
15365 | if (RHS) { | ||||
15366 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | ||||
15367 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | ||||
15368 | if (RHSRes.isInvalid()) | ||||
15369 | continue; | ||||
15370 | } | ||||
15371 | if (!CurContext->isDependentContext() && | ||||
15372 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
15373 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | ||||
15374 | const ValueDecl *VD = | ||||
15375 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | ||||
15376 | if (VD) | ||||
15377 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||
15378 | << 1 << VD; | ||||
15379 | else | ||||
15380 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | ||||
15381 | continue; | ||||
15382 | } | ||||
15383 | OpsOffs.emplace_back(RHS, OOK); | ||||
15384 | } else { | ||||
15385 | bool OMPDependTFound = LangOpts.OpenMP >= 50; | ||||
15386 | if (OMPDependTFound) | ||||
15387 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||
15388 | DepKind == OMPC_DEPEND_depobj); | ||||
15389 | if (DepKind == OMPC_DEPEND_depobj) { | ||||
15390 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||
15391 | // List items used in depend clauses with the depobj dependence type | ||||
15392 | // must be expressions of the omp_depend_t type. | ||||
15393 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||
15394 | !RefExpr->isInstantiationDependent() && | ||||
15395 | !RefExpr->containsUnexpandedParameterPack() && | ||||
15396 | (OMPDependTFound && | ||||
15397 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), | ||||
15398 | RefExpr->getType()))) { | ||||
15399 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||
15400 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||
15401 | continue; | ||||
15402 | } | ||||
15403 | if (!RefExpr->isLValue()) { | ||||
15404 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||
15405 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||
15406 | continue; | ||||
15407 | } | ||||
15408 | } else { | ||||
15409 | // OpenMP 5.0 [2.17.11, Restrictions] | ||||
15410 | // List items used in depend clauses cannot be zero-length array | ||||
15411 | // sections. | ||||
15412 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); | ||||
15413 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); | ||||
15414 | if (OASE) { | ||||
15415 | QualType BaseType = | ||||
15416 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
15417 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
15418 | ExprTy = ATy->getElementType(); | ||||
15419 | else | ||||
15420 | ExprTy = BaseType->getPointeeType(); | ||||
15421 | ExprTy = ExprTy.getNonReferenceType(); | ||||
15422 | const Expr *Length = OASE->getLength(); | ||||
15423 | Expr::EvalResult Result; | ||||
15424 | if (Length && !Length->isValueDependent() && | ||||
15425 | Length->EvaluateAsInt(Result, Context) && | ||||
15426 | Result.Val.getInt().isNullValue()) { | ||||
15427 | Diag(ELoc, | ||||
15428 | diag::err_omp_depend_zero_length_array_section_not_allowed) | ||||
15429 | << SimpleExpr->getSourceRange(); | ||||
15430 | continue; | ||||
15431 | } | ||||
15432 | } | ||||
15433 | |||||
15434 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||
15435 | // List items used in depend clauses with the in, out, inout or | ||||
15436 | // mutexinoutset dependence types cannot be expressions of the | ||||
15437 | // omp_depend_t type. | ||||
15438 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||
15439 | !RefExpr->isInstantiationDependent() && | ||||
15440 | !RefExpr->containsUnexpandedParameterPack() && | ||||
15441 | (OMPDependTFound && | ||||
15442 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr())) { | ||||
15443 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
15444 | << 1 << RefExpr->getSourceRange(); | ||||
15445 | continue; | ||||
15446 | } | ||||
15447 | |||||
15448 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | ||||
15449 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | ||||
15450 | (ASE && | ||||
15451 | !ASE->getBase() | ||||
15452 | ->getType() | ||||
15453 | .getNonReferenceType() | ||||
15454 | ->isPointerType() && | ||||
15455 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | ||||
15456 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
15457 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||
15458 | continue; | ||||
15459 | } | ||||
15460 | |||||
15461 | ExprResult Res; | ||||
15462 | { | ||||
15463 | Sema::TentativeAnalysisScope Trap(*this); | ||||
15464 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, | ||||
15465 | RefExpr->IgnoreParenImpCasts()); | ||||
15466 | } | ||||
15467 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr)) { | ||||
15468 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||
15469 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||
15470 | continue; | ||||
15471 | } | ||||
15472 | } | ||||
15473 | } | ||||
15474 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | ||||
15475 | } | ||||
15476 | |||||
15477 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | ||||
15478 | TotalDepCount > VarList.size() && | ||||
15479 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||
15480 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | ||||
15481 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||
15482 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | ||||
15483 | } | ||||
15484 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | ||||
15485 | Vars.empty()) | ||||
15486 | return nullptr; | ||||
15487 | |||||
15488 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
15489 | DepKind, DepLoc, ColonLoc, Vars, | ||||
15490 | TotalDepCount.getZExtValue()); | ||||
15491 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | ||||
15492 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | ||||
15493 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | ||||
15494 | return C; | ||||
15495 | } | ||||
15496 | |||||
15497 | OMPClause *Sema::ActOnOpenMPDeviceClause(Expr *Device, SourceLocation StartLoc, | ||||
15498 | SourceLocation LParenLoc, | ||||
15499 | SourceLocation EndLoc) { | ||||
15500 | Expr *ValExpr = Device; | ||||
15501 | Stmt *HelperValStmt = nullptr; | ||||
15502 | |||||
15503 | // OpenMP [2.9.1, Restrictions] | ||||
15504 | // The device expression must evaluate to a non-negative integer value. | ||||
15505 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | ||||
15506 | /*StrictlyPositive=*/false)) | ||||
15507 | return nullptr; | ||||
15508 | |||||
15509 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
15510 | OpenMPDirectiveKind CaptureRegion = | ||||
15511 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); | ||||
15512 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
15513 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
15514 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
15515 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
15516 | HelperValStmt = buildPreInits(Context, Captures); | ||||
15517 | } | ||||
15518 | |||||
15519 | return new (Context) OMPDeviceClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
15520 | StartLoc, LParenLoc, EndLoc); | ||||
15521 | } | ||||
15522 | |||||
15523 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | ||||
15524 | DSAStackTy *Stack, QualType QTy, | ||||
15525 | bool FullCheck = true) { | ||||
15526 | NamedDecl *ND; | ||||
15527 | if (QTy->isIncompleteType(&ND)) { | ||||
15528 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | ||||
15529 | return false; | ||||
15530 | } | ||||
15531 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | ||||
15532 | !QTy.isTriviallyCopyableType(SemaRef.Context)) | ||||
15533 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | ||||
15534 | return true; | ||||
15535 | } | ||||
15536 | |||||
15537 | /// Return true if it can be proven that the provided array expression | ||||
15538 | /// (array section or array subscript) does NOT specify the whole size of the | ||||
15539 | /// array whose base type is \a BaseQTy. | ||||
15540 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | ||||
15541 | const Expr *E, | ||||
15542 | QualType BaseQTy) { | ||||
15543 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||
15544 | |||||
15545 | // If this is an array subscript, it refers to the whole size if the size of | ||||
15546 | // the dimension is constant and equals 1. Also, an array section assumes the | ||||
15547 | // format of an array subscript if no colon is used. | ||||
15548 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) { | ||||
15549 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||
15550 | return ATy->getSize().getSExtValue() != 1; | ||||
15551 | // Size can't be evaluated statically. | ||||
15552 | return false; | ||||
15553 | } | ||||
15554 | |||||
15555 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15555, __PRETTY_FUNCTION__)); | ||||
15556 | const Expr *LowerBound = OASE->getLowerBound(); | ||||
15557 | const Expr *Length = OASE->getLength(); | ||||
15558 | |||||
15559 | // If there is a lower bound that does not evaluates to zero, we are not | ||||
15560 | // covering the whole dimension. | ||||
15561 | if (LowerBound) { | ||||
15562 | Expr::EvalResult Result; | ||||
15563 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
15564 | return false; // Can't get the integer value as a constant. | ||||
15565 | |||||
15566 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); | ||||
15567 | if (ConstLowerBound.getSExtValue()) | ||||
15568 | return true; | ||||
15569 | } | ||||
15570 | |||||
15571 | // If we don't have a length we covering the whole dimension. | ||||
15572 | if (!Length) | ||||
15573 | return false; | ||||
15574 | |||||
15575 | // If the base is a pointer, we don't have a way to get the size of the | ||||
15576 | // pointee. | ||||
15577 | if (BaseQTy->isPointerType()) | ||||
15578 | return false; | ||||
15579 | |||||
15580 | // We can only check if the length is the same as the size of the dimension | ||||
15581 | // if we have a constant array. | ||||
15582 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | ||||
15583 | if (!CATy) | ||||
15584 | return false; | ||||
15585 | |||||
15586 | Expr::EvalResult Result; | ||||
15587 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
15588 | return false; // Can't get the integer value as a constant. | ||||
15589 | |||||
15590 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||
15591 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | ||||
15592 | } | ||||
15593 | |||||
15594 | // Return true if it can be proven that the provided array expression (array | ||||
15595 | // section or array subscript) does NOT specify a single element of the array | ||||
15596 | // whose base type is \a BaseQTy. | ||||
15597 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | ||||
15598 | const Expr *E, | ||||
15599 | QualType BaseQTy) { | ||||
15600 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||
15601 | |||||
15602 | // An array subscript always refer to a single element. Also, an array section | ||||
15603 | // assumes the format of an array subscript if no colon is used. | ||||
15604 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) | ||||
15605 | return false; | ||||
15606 | |||||
15607 | assert(OASE && "Expecting array section if not an array subscript.")((OASE && "Expecting array section if not an array subscript." ) ? static_cast<void> (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15607, __PRETTY_FUNCTION__)); | ||||
15608 | const Expr *Length = OASE->getLength(); | ||||
15609 | |||||
15610 | // If we don't have a length we have to check if the array has unitary size | ||||
15611 | // for this dimension. Also, we should always expect a length if the base type | ||||
15612 | // is pointer. | ||||
15613 | if (!Length) { | ||||
15614 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||
15615 | return ATy->getSize().getSExtValue() != 1; | ||||
15616 | // We cannot assume anything. | ||||
15617 | return false; | ||||
15618 | } | ||||
15619 | |||||
15620 | // Check if the length evaluates to 1. | ||||
15621 | Expr::EvalResult Result; | ||||
15622 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||
15623 | return false; // Can't get the integer value as a constant. | ||||
15624 | |||||
15625 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||
15626 | return ConstLength.getSExtValue() != 1; | ||||
15627 | } | ||||
15628 | |||||
15629 | // The base of elements of list in a map clause have to be either: | ||||
15630 | // - a reference to variable or field. | ||||
15631 | // - a member expression. | ||||
15632 | // - an array expression. | ||||
15633 | // | ||||
15634 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | ||||
15635 | // reference to 'r'. | ||||
15636 | // | ||||
15637 | // If we have: | ||||
15638 | // | ||||
15639 | // struct SS { | ||||
15640 | // Bla S; | ||||
15641 | // foo() { | ||||
15642 | // #pragma omp target map (S.Arr[:12]); | ||||
15643 | // } | ||||
15644 | // } | ||||
15645 | // | ||||
15646 | // We want to retrieve the member expression 'this->S'; | ||||
15647 | |||||
15648 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.2] | ||||
15649 | // If a list item is an array section, it must specify contiguous storage. | ||||
15650 | // | ||||
15651 | // For this restriction it is sufficient that we make sure only references | ||||
15652 | // to variables or fields and array expressions, and that no array sections | ||||
15653 | // exist except in the rightmost expression (unless they cover the whole | ||||
15654 | // dimension of the array). E.g. these would be invalid: | ||||
15655 | // | ||||
15656 | // r.ArrS[3:5].Arr[6:7] | ||||
15657 | // | ||||
15658 | // r.ArrS[3:5].x | ||||
15659 | // | ||||
15660 | // but these would be valid: | ||||
15661 | // r.ArrS[3].Arr[6:7] | ||||
15662 | // | ||||
15663 | // r.ArrS[3].x | ||||
15664 | namespace { | ||||
15665 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { | ||||
15666 | Sema &SemaRef; | ||||
15667 | OpenMPClauseKind CKind = OMPC_unknown; | ||||
15668 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; | ||||
15669 | bool NoDiagnose = false; | ||||
15670 | const Expr *RelevantExpr = nullptr; | ||||
15671 | bool AllowUnitySizeArraySection = true; | ||||
15672 | bool AllowWholeSizeArraySection = true; | ||||
15673 | SourceLocation ELoc; | ||||
15674 | SourceRange ERange; | ||||
15675 | |||||
15676 | void emitErrorMsg() { | ||||
15677 | // If nothing else worked, this is not a valid map clause expression. | ||||
15678 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||
15679 | SemaRef.Diag(ELoc, | ||||
15680 | diag::err_omp_expected_named_var_member_or_array_expression) | ||||
15681 | << ERange; | ||||
15682 | } else { | ||||
15683 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||
15684 | << getOpenMPClauseName(CKind) << ERange; | ||||
15685 | } | ||||
15686 | } | ||||
15687 | |||||
15688 | public: | ||||
15689 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { | ||||
15690 | if (!isa<VarDecl>(DRE->getDecl())) { | ||||
15691 | emitErrorMsg(); | ||||
15692 | return false; | ||||
15693 | } | ||||
15694 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15694, __PRETTY_FUNCTION__)); | ||||
15695 | RelevantExpr = DRE; | ||||
15696 | // Record the component. | ||||
15697 | Components.emplace_back(DRE, DRE->getDecl()); | ||||
15698 | return true; | ||||
15699 | } | ||||
15700 | |||||
15701 | bool VisitMemberExpr(MemberExpr *ME) { | ||||
15702 | Expr *E = ME; | ||||
15703 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); | ||||
15704 | |||||
15705 | if (isa<CXXThisExpr>(BaseE)) { | ||||
15706 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15706, __PRETTY_FUNCTION__)); | ||||
15707 | // We found a base expression: this->Val. | ||||
15708 | RelevantExpr = ME; | ||||
15709 | } else { | ||||
15710 | E = BaseE; | ||||
15711 | } | ||||
15712 | |||||
15713 | if (!isa<FieldDecl>(ME->getMemberDecl())) { | ||||
15714 | if (!NoDiagnose) { | ||||
15715 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | ||||
15716 | << ME->getSourceRange(); | ||||
15717 | return false; | ||||
15718 | } | ||||
15719 | if (RelevantExpr) | ||||
15720 | return false; | ||||
15721 | return Visit(E); | ||||
15722 | } | ||||
15723 | |||||
15724 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); | ||||
15725 | |||||
15726 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||
15727 | // A bit-field cannot appear in a map clause. | ||||
15728 | // | ||||
15729 | if (FD->isBitField()) { | ||||
15730 | if (!NoDiagnose) { | ||||
15731 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | ||||
15732 | << ME->getSourceRange() << getOpenMPClauseName(CKind); | ||||
15733 | return false; | ||||
15734 | } | ||||
15735 | if (RelevantExpr) | ||||
15736 | return false; | ||||
15737 | return Visit(E); | ||||
15738 | } | ||||
15739 | |||||
15740 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
15741 | // If the type of a list item is a reference to a type T then the type | ||||
15742 | // will be considered to be T for all purposes of this clause. | ||||
15743 | QualType CurType = BaseE->getType().getNonReferenceType(); | ||||
15744 | |||||
15745 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | ||||
15746 | // A list item cannot be a variable that is a member of a structure with | ||||
15747 | // a union type. | ||||
15748 | // | ||||
15749 | if (CurType->isUnionType()) { | ||||
15750 | if (!NoDiagnose) { | ||||
15751 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | ||||
15752 | << ME->getSourceRange(); | ||||
15753 | return false; | ||||
15754 | } | ||||
15755 | return RelevantExpr || Visit(E); | ||||
15756 | } | ||||
15757 | |||||
15758 | // If we got a member expression, we should not expect any array section | ||||
15759 | // before that: | ||||
15760 | // | ||||
15761 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | ||||
15762 | // If a list item is an element of a structure, only the rightmost symbol | ||||
15763 | // of the variable reference can be an array section. | ||||
15764 | // | ||||
15765 | AllowUnitySizeArraySection = false; | ||||
15766 | AllowWholeSizeArraySection = false; | ||||
15767 | |||||
15768 | // Record the component. | ||||
15769 | Components.emplace_back(ME, FD); | ||||
15770 | return RelevantExpr || Visit(E); | ||||
15771 | } | ||||
15772 | |||||
15773 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { | ||||
15774 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); | ||||
15775 | |||||
15776 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | ||||
15777 | if (!NoDiagnose) { | ||||
15778 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||
15779 | << 0 << AE->getSourceRange(); | ||||
15780 | return false; | ||||
15781 | } | ||||
15782 | return RelevantExpr || Visit(E); | ||||
15783 | } | ||||
15784 | |||||
15785 | // If we got an array subscript that express the whole dimension we | ||||
15786 | // can have any array expressions before. If it only expressing part of | ||||
15787 | // the dimension, we can only have unitary-size array expressions. | ||||
15788 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, | ||||
15789 | E->getType())) | ||||
15790 | AllowWholeSizeArraySection = false; | ||||
15791 | |||||
15792 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { | ||||
15793 | Expr::EvalResult Result; | ||||
15794 | if (!AE->getIdx()->isValueDependent() && | ||||
15795 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && | ||||
15796 | !Result.Val.getInt().isNullValue()) { | ||||
15797 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||
15798 | diag::err_omp_invalid_map_this_expr); | ||||
15799 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||
15800 | diag::note_omp_invalid_subscript_on_this_ptr_map); | ||||
15801 | } | ||||
15802 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15802, __PRETTY_FUNCTION__)); | ||||
15803 | RelevantExpr = TE; | ||||
15804 | } | ||||
15805 | |||||
15806 | // Record the component - we don't have any declaration associated. | ||||
15807 | Components.emplace_back(AE, nullptr); | ||||
15808 | |||||
15809 | return RelevantExpr || Visit(E); | ||||
15810 | } | ||||
15811 | |||||
15812 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { | ||||
15813 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")((!NoDiagnose && "Array sections cannot be implicitly mapped." ) ? static_cast<void> (0) : __assert_fail ("!NoDiagnose && \"Array sections cannot be implicitly mapped.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15813, __PRETTY_FUNCTION__)); | ||||
15814 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||
15815 | QualType CurType = | ||||
15816 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||
15817 | |||||
15818 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
15819 | // If the type of a list item is a reference to a type T then the type | ||||
15820 | // will be considered to be T for all purposes of this clause. | ||||
15821 | if (CurType->isReferenceType()) | ||||
15822 | CurType = CurType->getPointeeType(); | ||||
15823 | |||||
15824 | bool IsPointer = CurType->isAnyPointerType(); | ||||
15825 | |||||
15826 | if (!IsPointer && !CurType->isArrayType()) { | ||||
15827 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||
15828 | << 0 << OASE->getSourceRange(); | ||||
15829 | return false; | ||||
15830 | } | ||||
15831 | |||||
15832 | bool NotWhole = | ||||
15833 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); | ||||
15834 | bool NotUnity = | ||||
15835 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); | ||||
15836 | |||||
15837 | if (AllowWholeSizeArraySection) { | ||||
15838 | // Any array section is currently allowed. Allowing a whole size array | ||||
15839 | // section implies allowing a unity array section as well. | ||||
15840 | // | ||||
15841 | // If this array section refers to the whole dimension we can still | ||||
15842 | // accept other array sections before this one, except if the base is a | ||||
15843 | // pointer. Otherwise, only unitary sections are accepted. | ||||
15844 | if (NotWhole || IsPointer) | ||||
15845 | AllowWholeSizeArraySection = false; | ||||
15846 | } else if (AllowUnitySizeArraySection && NotUnity) { | ||||
15847 | // A unity or whole array section is not allowed and that is not | ||||
15848 | // compatible with the properties of the current array section. | ||||
15849 | SemaRef.Diag( | ||||
15850 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | ||||
15851 | << OASE->getSourceRange(); | ||||
15852 | return false; | ||||
15853 | } | ||||
15854 | |||||
15855 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | ||||
15856 | Expr::EvalResult ResultR; | ||||
15857 | Expr::EvalResult ResultL; | ||||
15858 | if (!OASE->getLength()->isValueDependent() && | ||||
15859 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && | ||||
15860 | !ResultR.Val.getInt().isOneValue()) { | ||||
15861 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||
15862 | diag::err_omp_invalid_map_this_expr); | ||||
15863 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||
15864 | diag::note_omp_invalid_length_on_this_ptr_mapping); | ||||
15865 | } | ||||
15866 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && | ||||
15867 | OASE->getLowerBound()->EvaluateAsInt(ResultL, | ||||
15868 | SemaRef.getASTContext()) && | ||||
15869 | !ResultL.Val.getInt().isNullValue()) { | ||||
15870 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||
15871 | diag::err_omp_invalid_map_this_expr); | ||||
15872 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||
15873 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); | ||||
15874 | } | ||||
15875 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15875, __PRETTY_FUNCTION__)); | ||||
15876 | RelevantExpr = TE; | ||||
15877 | } | ||||
15878 | |||||
15879 | // Record the component - we don't have any declaration associated. | ||||
15880 | Components.emplace_back(OASE, nullptr); | ||||
15881 | return RelevantExpr || Visit(E); | ||||
15882 | } | ||||
15883 | bool VisitUnaryOperator(UnaryOperator *UO) { | ||||
15884 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || | ||||
15885 | UO->getOpcode() != UO_Deref) { | ||||
15886 | emitErrorMsg(); | ||||
15887 | return false; | ||||
15888 | } | ||||
15889 | if (!RelevantExpr) { | ||||
15890 | // Record the component if haven't found base decl. | ||||
15891 | Components.emplace_back(UO, nullptr); | ||||
15892 | } | ||||
15893 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); | ||||
15894 | } | ||||
15895 | bool VisitBinaryOperator(BinaryOperator *BO) { | ||||
15896 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { | ||||
15897 | emitErrorMsg(); | ||||
15898 | return false; | ||||
15899 | } | ||||
15900 | |||||
15901 | // Pointer arithmetic is the only thing we expect to happen here so after we | ||||
15902 | // make sure the binary operator is a pointer type, the we only thing need | ||||
15903 | // to to is to visit the subtree that has the same type as root (so that we | ||||
15904 | // know the other subtree is just an offset) | ||||
15905 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); | ||||
15906 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); | ||||
15907 | Components.emplace_back(BO, nullptr); | ||||
15908 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15910, __PRETTY_FUNCTION__)) | ||||
15909 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15910, __PRETTY_FUNCTION__)) | ||||
15910 | "Either LHS or RHS have base decl inside")(((LE->getType().getTypePtr() == BO->getType().getTypePtr () || RE->getType().getTypePtr() == BO->getType().getTypePtr ()) && "Either LHS or RHS have base decl inside") ? static_cast <void> (0) : __assert_fail ("(LE->getType().getTypePtr() == BO->getType().getTypePtr() || RE->getType().getTypePtr() == BO->getType().getTypePtr()) && \"Either LHS or RHS have base decl inside\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15910, __PRETTY_FUNCTION__)); | ||||
15911 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) | ||||
15912 | return RelevantExpr || Visit(LE); | ||||
15913 | return RelevantExpr || Visit(RE); | ||||
15914 | } | ||||
15915 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { | ||||
15916 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((!RelevantExpr && "RelevantExpr is expected to be nullptr" ) ? static_cast<void> (0) : __assert_fail ("!RelevantExpr && \"RelevantExpr is expected to be nullptr\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15916, __PRETTY_FUNCTION__)); | ||||
15917 | RelevantExpr = CTE; | ||||
15918 | Components.emplace_back(CTE, nullptr); | ||||
15919 | return true; | ||||
15920 | } | ||||
15921 | bool VisitStmt(Stmt *) { | ||||
15922 | emitErrorMsg(); | ||||
15923 | return false; | ||||
15924 | } | ||||
15925 | const Expr *getFoundBase() const { | ||||
15926 | return RelevantExpr; | ||||
15927 | } | ||||
15928 | explicit MapBaseChecker( | ||||
15929 | Sema &SemaRef, OpenMPClauseKind CKind, | ||||
15930 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, | ||||
15931 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) | ||||
15932 | : SemaRef(SemaRef), CKind(CKind), Components(Components), | ||||
15933 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} | ||||
15934 | }; | ||||
15935 | } // namespace | ||||
15936 | |||||
15937 | /// Return the expression of the base of the mappable expression or null if it | ||||
15938 | /// cannot be determined and do all the necessary checks to see if the expression | ||||
15939 | /// is valid as a standalone mappable expression. In the process, record all the | ||||
15940 | /// components of the expression. | ||||
15941 | static const Expr *checkMapClauseExpressionBase( | ||||
15942 | Sema &SemaRef, Expr *E, | ||||
15943 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||
15944 | OpenMPClauseKind CKind, bool NoDiagnose) { | ||||
15945 | SourceLocation ELoc = E->getExprLoc(); | ||||
15946 | SourceRange ERange = E->getSourceRange(); | ||||
15947 | MapBaseChecker Checker(SemaRef, CKind, CurComponents, NoDiagnose, ELoc, | ||||
15948 | ERange); | ||||
15949 | if (Checker.Visit(E->IgnoreParens())) | ||||
15950 | return Checker.getFoundBase(); | ||||
15951 | return nullptr; | ||||
15952 | } | ||||
15953 | |||||
15954 | // Return true if expression E associated with value VD has conflicts with other | ||||
15955 | // map information. | ||||
15956 | static bool checkMapConflicts( | ||||
15957 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, | ||||
15958 | bool CurrentRegionOnly, | ||||
15959 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | ||||
15960 | OpenMPClauseKind CKind) { | ||||
15961 | assert(VD && E)((VD && E) ? static_cast<void> (0) : __assert_fail ("VD && E", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15961, __PRETTY_FUNCTION__)); | ||||
15962 | SourceLocation ELoc = E->getExprLoc(); | ||||
15963 | SourceRange ERange = E->getSourceRange(); | ||||
15964 | |||||
15965 | // In order to easily check the conflicts we need to match each component of | ||||
15966 | // the expression under test with the components of the expressions that are | ||||
15967 | // already in the stack. | ||||
15968 | |||||
15969 | assert(!CurComponents.empty() && "Map clause expression with no components!")((!CurComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15969, __PRETTY_FUNCTION__)); | ||||
15970 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15971, __PRETTY_FUNCTION__)) | ||||
15971 | "Map clause expression with unexpected base!")((CurComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15971, __PRETTY_FUNCTION__)); | ||||
15972 | |||||
15973 | // Variables to help detecting enclosing problems in data environment nests. | ||||
15974 | bool IsEnclosedByDataEnvironmentExpr = false; | ||||
15975 | const Expr *EnclosingExpr = nullptr; | ||||
15976 | |||||
15977 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | ||||
15978 | VD, CurrentRegionOnly, | ||||
15979 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, | ||||
15980 | ERange, CKind, &EnclosingExpr, | ||||
15981 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||
15982 | StackComponents, | ||||
15983 | OpenMPClauseKind) { | ||||
15984 | assert(!StackComponents.empty() &&((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15985, __PRETTY_FUNCTION__)) | ||||
15985 | "Map clause expression with no components!")((!StackComponents.empty() && "Map clause expression with no components!" ) ? static_cast<void> (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15985, __PRETTY_FUNCTION__)); | ||||
15986 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15987, __PRETTY_FUNCTION__)) | ||||
15987 | "Map clause expression with unexpected base!")((StackComponents.back().getAssociatedDeclaration() == VD && "Map clause expression with unexpected base!") ? static_cast <void> (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 15987, __PRETTY_FUNCTION__)); | ||||
15988 | (void)VD; | ||||
15989 | |||||
15990 | // The whole expression in the stack. | ||||
15991 | const Expr *RE = StackComponents.front().getAssociatedExpression(); | ||||
15992 | |||||
15993 | // Expressions must start from the same base. Here we detect at which | ||||
15994 | // point both expressions diverge from each other and see if we can | ||||
15995 | // detect if the memory referred to both expressions is contiguous and | ||||
15996 | // do not overlap. | ||||
15997 | auto CI = CurComponents.rbegin(); | ||||
15998 | auto CE = CurComponents.rend(); | ||||
15999 | auto SI = StackComponents.rbegin(); | ||||
16000 | auto SE = StackComponents.rend(); | ||||
16001 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||
16002 | |||||
16003 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | ||||
16004 | // At most one list item can be an array item derived from a given | ||||
16005 | // variable in map clauses of the same construct. | ||||
16006 | if (CurrentRegionOnly && | ||||
16007 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | ||||
16008 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression())) && | ||||
16009 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | ||||
16010 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()))) { | ||||
16011 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | ||||
16012 | diag::err_omp_multiple_array_items_in_map_clause) | ||||
16013 | << CI->getAssociatedExpression()->getSourceRange(); | ||||
16014 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | ||||
16015 | diag::note_used_here) | ||||
16016 | << SI->getAssociatedExpression()->getSourceRange(); | ||||
16017 | return true; | ||||
16018 | } | ||||
16019 | |||||
16020 | // Do both expressions have the same kind? | ||||
16021 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
16022 | SI->getAssociatedExpression()->getStmtClass()) | ||||
16023 | break; | ||||
16024 | |||||
16025 | // Are we dealing with different variables/fields? | ||||
16026 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | ||||
16027 | break; | ||||
16028 | } | ||||
16029 | // Check if the extra components of the expressions in the enclosing | ||||
16030 | // data environment are redundant for the current base declaration. | ||||
16031 | // If they are, the maps completely overlap, which is legal. | ||||
16032 | for (; SI != SE; ++SI) { | ||||
16033 | QualType Type; | ||||
16034 | if (const auto *ASE = | ||||
16035 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | ||||
16036 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | ||||
16037 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( | ||||
16038 | SI->getAssociatedExpression())) { | ||||
16039 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||
16040 | Type = | ||||
16041 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||
16042 | } | ||||
16043 | if (Type.isNull() || Type->isAnyPointerType() || | ||||
16044 | checkArrayExpressionDoesNotReferToWholeSize( | ||||
16045 | SemaRef, SI->getAssociatedExpression(), Type)) | ||||
16046 | break; | ||||
16047 | } | ||||
16048 | |||||
16049 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||
16050 | // List items of map clauses in the same construct must not share | ||||
16051 | // original storage. | ||||
16052 | // | ||||
16053 | // If the expressions are exactly the same or one is a subset of the | ||||
16054 | // other, it means they are sharing storage. | ||||
16055 | if (CI == CE && SI == SE) { | ||||
16056 | if (CurrentRegionOnly) { | ||||
16057 | if (CKind == OMPC_map) { | ||||
16058 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||
16059 | } else { | ||||
16060 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16060, __PRETTY_FUNCTION__)); | ||||
16061 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||
16062 | << ERange; | ||||
16063 | } | ||||
16064 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
16065 | << RE->getSourceRange(); | ||||
16066 | return true; | ||||
16067 | } | ||||
16068 | // If we find the same expression in the enclosing data environment, | ||||
16069 | // that is legal. | ||||
16070 | IsEnclosedByDataEnvironmentExpr = true; | ||||
16071 | return false; | ||||
16072 | } | ||||
16073 | |||||
16074 | QualType DerivedType = | ||||
16075 | std::prev(CI)->getAssociatedDeclaration()->getType(); | ||||
16076 | SourceLocation DerivedLoc = | ||||
16077 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | ||||
16078 | |||||
16079 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
16080 | // If the type of a list item is a reference to a type T then the type | ||||
16081 | // will be considered to be T for all purposes of this clause. | ||||
16082 | DerivedType = DerivedType.getNonReferenceType(); | ||||
16083 | |||||
16084 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | ||||
16085 | // A variable for which the type is pointer and an array section | ||||
16086 | // derived from that variable must not appear as list items of map | ||||
16087 | // clauses of the same construct. | ||||
16088 | // | ||||
16089 | // Also, cover one of the cases in: | ||||
16090 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||
16091 | // If any part of the original storage of a list item has corresponding | ||||
16092 | // storage in the device data environment, all of the original storage | ||||
16093 | // must have corresponding storage in the device data environment. | ||||
16094 | // | ||||
16095 | if (DerivedType->isAnyPointerType()) { | ||||
16096 | if (CI == CE || SI == SE) { | ||||
16097 | SemaRef.Diag( | ||||
16098 | DerivedLoc, | ||||
16099 | diag::err_omp_pointer_mapped_along_with_derived_section) | ||||
16100 | << DerivedLoc; | ||||
16101 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
16102 | << RE->getSourceRange(); | ||||
16103 | return true; | ||||
16104 | } | ||||
16105 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||
16106 | SI->getAssociatedExpression()->getStmtClass() || | ||||
16107 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | ||||
16108 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | ||||
16109 | assert(CI != CE && SI != SE)((CI != CE && SI != SE) ? static_cast<void> (0) : __assert_fail ("CI != CE && SI != SE", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16109, __PRETTY_FUNCTION__)); | ||||
16110 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | ||||
16111 | << DerivedLoc; | ||||
16112 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
16113 | << RE->getSourceRange(); | ||||
16114 | return true; | ||||
16115 | } | ||||
16116 | } | ||||
16117 | |||||
16118 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||
16119 | // List items of map clauses in the same construct must not share | ||||
16120 | // original storage. | ||||
16121 | // | ||||
16122 | // An expression is a subset of the other. | ||||
16123 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | ||||
16124 | if (CKind == OMPC_map) { | ||||
16125 | if (CI != CE || SI != SE) { | ||||
16126 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is | ||||
16127 | // a pointer. | ||||
16128 | auto Begin = | ||||
16129 | CI != CE ? CurComponents.begin() : StackComponents.begin(); | ||||
16130 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); | ||||
16131 | auto It = Begin; | ||||
16132 | while (It != End && !It->getAssociatedDeclaration()) | ||||
16133 | std::advance(It, 1); | ||||
16134 | assert(It != End &&((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16135, __PRETTY_FUNCTION__)) | ||||
16135 | "Expected at least one component with the declaration.")((It != End && "Expected at least one component with the declaration." ) ? static_cast<void> (0) : __assert_fail ("It != End && \"Expected at least one component with the declaration.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16135, __PRETTY_FUNCTION__)); | ||||
16136 | if (It != Begin && It->getAssociatedDeclaration() | ||||
16137 | ->getType() | ||||
16138 | .getCanonicalType() | ||||
16139 | ->isAnyPointerType()) { | ||||
16140 | IsEnclosedByDataEnvironmentExpr = false; | ||||
16141 | EnclosingExpr = nullptr; | ||||
16142 | return false; | ||||
16143 | } | ||||
16144 | } | ||||
16145 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||
16146 | } else { | ||||
16147 | assert(CKind == OMPC_to || CKind == OMPC_from)((CKind == OMPC_to || CKind == OMPC_from) ? static_cast<void > (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16147, __PRETTY_FUNCTION__)); | ||||
16148 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||
16149 | << ERange; | ||||
16150 | } | ||||
16151 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||
16152 | << RE->getSourceRange(); | ||||
16153 | return true; | ||||
16154 | } | ||||
16155 | |||||
16156 | // The current expression uses the same base as other expression in the | ||||
16157 | // data environment but does not contain it completely. | ||||
16158 | if (!CurrentRegionOnly && SI != SE) | ||||
16159 | EnclosingExpr = RE; | ||||
16160 | |||||
16161 | // The current expression is a subset of the expression in the data | ||||
16162 | // environment. | ||||
16163 | IsEnclosedByDataEnvironmentExpr |= | ||||
16164 | (!CurrentRegionOnly && CI != CE && SI == SE); | ||||
16165 | |||||
16166 | return false; | ||||
16167 | }); | ||||
16168 | |||||
16169 | if (CurrentRegionOnly) | ||||
16170 | return FoundError; | ||||
16171 | |||||
16172 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||
16173 | // If any part of the original storage of a list item has corresponding | ||||
16174 | // storage in the device data environment, all of the original storage must | ||||
16175 | // have corresponding storage in the device data environment. | ||||
16176 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | ||||
16177 | // If a list item is an element of a structure, and a different element of | ||||
16178 | // the structure has a corresponding list item in the device data environment | ||||
16179 | // prior to a task encountering the construct associated with the map clause, | ||||
16180 | // then the list item must also have a corresponding list item in the device | ||||
16181 | // data environment prior to the task encountering the construct. | ||||
16182 | // | ||||
16183 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | ||||
16184 | SemaRef.Diag(ELoc, | ||||
16185 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | ||||
16186 | << ERange; | ||||
16187 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | ||||
16188 | << EnclosingExpr->getSourceRange(); | ||||
16189 | return true; | ||||
16190 | } | ||||
16191 | |||||
16192 | return FoundError; | ||||
16193 | } | ||||
16194 | |||||
16195 | // Look up the user-defined mapper given the mapper name and mapped type, and | ||||
16196 | // build a reference to it. | ||||
16197 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | ||||
16198 | CXXScopeSpec &MapperIdScopeSpec, | ||||
16199 | const DeclarationNameInfo &MapperId, | ||||
16200 | QualType Type, | ||||
16201 | Expr *UnresolvedMapper) { | ||||
16202 | if (MapperIdScopeSpec.isInvalid()) | ||||
16203 | return ExprError(); | ||||
16204 | // Get the actual type for the array type. | ||||
16205 | if (Type->isArrayType()) { | ||||
16206 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")((Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type" ) ? static_cast<void> (0) : __assert_fail ("Type->getAsArrayTypeUnsafe() && \"Expect to get a valid array type\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16206, __PRETTY_FUNCTION__)); | ||||
16207 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); | ||||
16208 | } | ||||
16209 | // Find all user-defined mappers with the given MapperId. | ||||
16210 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||
16211 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); | ||||
16212 | Lookup.suppressDiagnostics(); | ||||
16213 | if (S) { | ||||
16214 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { | ||||
16215 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||
16216 | while (S && !S->isDeclScope(D)) | ||||
16217 | S = S->getParent(); | ||||
16218 | if (S) | ||||
16219 | S = S->getParent(); | ||||
16220 | Lookups.emplace_back(); | ||||
16221 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||
16222 | Lookup.clear(); | ||||
16223 | } | ||||
16224 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { | ||||
16225 | // Extract the user-defined mappers with the given MapperId. | ||||
16226 | Lookups.push_back(UnresolvedSet<8>()); | ||||
16227 | for (NamedDecl *D : ULE->decls()) { | ||||
16228 | auto *DMD = cast<OMPDeclareMapperDecl>(D); | ||||
16229 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")((DMD && "Expect valid OMPDeclareMapperDecl during instantiation." ) ? static_cast<void> (0) : __assert_fail ("DMD && \"Expect valid OMPDeclareMapperDecl during instantiation.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16229, __PRETTY_FUNCTION__)); | ||||
16230 | Lookups.back().addDecl(DMD); | ||||
16231 | } | ||||
16232 | } | ||||
16233 | // Defer the lookup for dependent types. The results will be passed through | ||||
16234 | // UnresolvedMapper on instantiation. | ||||
16235 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || | ||||
16236 | Type->isInstantiationDependentType() || | ||||
16237 | Type->containsUnexpandedParameterPack() || | ||||
16238 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||
16239 | return !D->isInvalidDecl() && | ||||
16240 | (D->getType()->isDependentType() || | ||||
16241 | D->getType()->isInstantiationDependentType() || | ||||
16242 | D->getType()->containsUnexpandedParameterPack()); | ||||
16243 | })) { | ||||
16244 | UnresolvedSet<8> URS; | ||||
16245 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||
16246 | if (Set.empty()) | ||||
16247 | continue; | ||||
16248 | URS.append(Set.begin(), Set.end()); | ||||
16249 | } | ||||
16250 | return UnresolvedLookupExpr::Create( | ||||
16251 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||
16252 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, | ||||
16253 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); | ||||
16254 | } | ||||
16255 | SourceLocation Loc = MapperId.getLoc(); | ||||
16256 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
16257 | // The type must be of struct, union or class type in C and C++ | ||||
16258 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && | ||||
16259 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { | ||||
16260 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); | ||||
16261 | return ExprError(); | ||||
16262 | } | ||||
16263 | // Perform argument dependent lookup. | ||||
16264 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) | ||||
16265 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); | ||||
16266 | // Return the first user-defined mapper with the desired type. | ||||
16267 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
16268 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { | ||||
16269 | if (!D->isInvalidDecl() && | ||||
16270 | SemaRef.Context.hasSameType(D->getType(), Type)) | ||||
16271 | return D; | ||||
16272 | return nullptr; | ||||
16273 | })) | ||||
16274 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||
16275 | // Find the first user-defined mapper with a type derived from the desired | ||||
16276 | // type. | ||||
16277 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||
16278 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { | ||||
16279 | if (!D->isInvalidDecl() && | ||||
16280 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && | ||||
16281 | !Type.isMoreQualifiedThan(D->getType())) | ||||
16282 | return D; | ||||
16283 | return nullptr; | ||||
16284 | })) { | ||||
16285 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||
16286 | /*DetectVirtual=*/false); | ||||
16287 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { | ||||
16288 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||
16289 | VD->getType().getUnqualifiedType()))) { | ||||
16290 | if (SemaRef.CheckBaseClassAccess( | ||||
16291 | Loc, VD->getType(), Type, Paths.front(), | ||||
16292 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||
16293 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||
16294 | } | ||||
16295 | } | ||||
16296 | } | ||||
16297 | } | ||||
16298 | // Report error if a mapper is specified, but cannot be found. | ||||
16299 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { | ||||
16300 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) | ||||
16301 | << Type << MapperId.getName(); | ||||
16302 | return ExprError(); | ||||
16303 | } | ||||
16304 | return ExprEmpty(); | ||||
16305 | } | ||||
16306 | |||||
16307 | namespace { | ||||
16308 | // Utility struct that gathers all the related lists associated with a mappable | ||||
16309 | // expression. | ||||
16310 | struct MappableVarListInfo { | ||||
16311 | // The list of expressions. | ||||
16312 | ArrayRef<Expr *> VarList; | ||||
16313 | // The list of processed expressions. | ||||
16314 | SmallVector<Expr *, 16> ProcessedVarList; | ||||
16315 | // The mappble components for each expression. | ||||
16316 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | ||||
16317 | // The base declaration of the variable. | ||||
16318 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | ||||
16319 | // The reference to the user-defined mapper associated with every expression. | ||||
16320 | SmallVector<Expr *, 16> UDMapperList; | ||||
16321 | |||||
16322 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | ||||
16323 | // We have a list of components and base declarations for each entry in the | ||||
16324 | // variable list. | ||||
16325 | VarComponents.reserve(VarList.size()); | ||||
16326 | VarBaseDeclarations.reserve(VarList.size()); | ||||
16327 | } | ||||
16328 | }; | ||||
16329 | } | ||||
16330 | |||||
16331 | // Check the validity of the provided variable list for the provided clause kind | ||||
16332 | // \a CKind. In the check process the valid expressions, mappable expression | ||||
16333 | // components, variables, and user-defined mappers are extracted and used to | ||||
16334 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a | ||||
16335 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, | ||||
16336 | // and \a MapperId are expected to be valid if the clause kind is 'map'. | ||||
16337 | static void checkMappableExpressionList( | ||||
16338 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, | ||||
16339 | MappableVarListInfo &MVLI, SourceLocation StartLoc, | ||||
16340 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, | ||||
16341 | ArrayRef<Expr *> UnresolvedMappers, | ||||
16342 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | ||||
16343 | bool IsMapTypeImplicit = false) { | ||||
16344 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | ||||
16345 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16346, __PRETTY_FUNCTION__)) | ||||
16346 | "Unexpected clause kind with mappable expressions!")(((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from ) && "Unexpected clause kind with mappable expressions!" ) ? static_cast<void> (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16346, __PRETTY_FUNCTION__)); | ||||
16347 | |||||
16348 | // If the identifier of user-defined mapper is not specified, it is "default". | ||||
16349 | // We do not change the actual name in this clause to distinguish whether a | ||||
16350 | // mapper is specified explicitly, i.e., it is not explicitly specified when | ||||
16351 | // MapperId.getName() is empty. | ||||
16352 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { | ||||
16353 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; | ||||
16354 | MapperId.setName(DeclNames.getIdentifier( | ||||
16355 | &SemaRef.getASTContext().Idents.get("default"))); | ||||
16356 | } | ||||
16357 | |||||
16358 | // Iterators to find the current unresolved mapper expression. | ||||
16359 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); | ||||
16360 | bool UpdateUMIt = false; | ||||
16361 | Expr *UnresolvedMapper = nullptr; | ||||
16362 | |||||
16363 | // Keep track of the mappable components and base declarations in this clause. | ||||
16364 | // Each entry in the list is going to have a list of components associated. We | ||||
16365 | // record each set of the components so that we can build the clause later on. | ||||
16366 | // In the end we should have the same amount of declarations and component | ||||
16367 | // lists. | ||||
16368 | |||||
16369 | for (Expr *RE : MVLI.VarList) { | ||||
16370 | assert(RE && "Null expr in omp to/from/map clause")((RE && "Null expr in omp to/from/map clause") ? static_cast <void> (0) : __assert_fail ("RE && \"Null expr in omp to/from/map clause\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16370, __PRETTY_FUNCTION__)); | ||||
16371 | SourceLocation ELoc = RE->getExprLoc(); | ||||
16372 | |||||
16373 | // Find the current unresolved mapper expression. | ||||
16374 | if (UpdateUMIt && UMIt != UMEnd) { | ||||
16375 | UMIt++; | ||||
16376 | assert(((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16378, __PRETTY_FUNCTION__)) | ||||
16377 | UMIt != UMEnd &&((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16378, __PRETTY_FUNCTION__)) | ||||
16378 | "Expect the size of UnresolvedMappers to match with that of VarList")((UMIt != UMEnd && "Expect the size of UnresolvedMappers to match with that of VarList" ) ? static_cast<void> (0) : __assert_fail ("UMIt != UMEnd && \"Expect the size of UnresolvedMappers to match with that of VarList\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16378, __PRETTY_FUNCTION__)); | ||||
16379 | } | ||||
16380 | UpdateUMIt = true; | ||||
16381 | if (UMIt != UMEnd) | ||||
16382 | UnresolvedMapper = *UMIt; | ||||
16383 | |||||
16384 | const Expr *VE = RE->IgnoreParenLValueCasts(); | ||||
16385 | |||||
16386 | if (VE->isValueDependent() || VE->isTypeDependent() || | ||||
16387 | VE->isInstantiationDependent() || | ||||
16388 | VE->containsUnexpandedParameterPack()) { | ||||
16389 | // Try to find the associated user-defined mapper. | ||||
16390 | ExprResult ER = buildUserDefinedMapperRef( | ||||
16391 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
16392 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||
16393 | if (ER.isInvalid()) | ||||
16394 | continue; | ||||
16395 | MVLI.UDMapperList.push_back(ER.get()); | ||||
16396 | // We can only analyze this information once the missing information is | ||||
16397 | // resolved. | ||||
16398 | MVLI.ProcessedVarList.push_back(RE); | ||||
16399 | continue; | ||||
16400 | } | ||||
16401 | |||||
16402 | Expr *SimpleExpr = RE->IgnoreParenCasts(); | ||||
16403 | |||||
16404 | if (!RE->isLValue()) { | ||||
16405 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||
16406 | SemaRef.Diag( | ||||
16407 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | ||||
16408 | << RE->getSourceRange(); | ||||
16409 | } else { | ||||
16410 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||
16411 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); | ||||
16412 | } | ||||
16413 | continue; | ||||
16414 | } | ||||
16415 | |||||
16416 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||
16417 | ValueDecl *CurDeclaration = nullptr; | ||||
16418 | |||||
16419 | // Obtain the array or member expression bases if required. Also, fill the | ||||
16420 | // components array with all the components identified in the process. | ||||
16421 | const Expr *BE = checkMapClauseExpressionBase( | ||||
16422 | SemaRef, SimpleExpr, CurComponents, CKind, /*NoDiagnose=*/false); | ||||
16423 | if (!BE) | ||||
16424 | continue; | ||||
16425 | |||||
16426 | assert(!CurComponents.empty() &&((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16427, __PRETTY_FUNCTION__)) | ||||
16427 | "Invalid mappable expression information.")((!CurComponents.empty() && "Invalid mappable expression information." ) ? static_cast<void> (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16427, __PRETTY_FUNCTION__)); | ||||
16428 | |||||
16429 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { | ||||
16430 | // Add store "this" pointer to class in DSAStackTy for future checking | ||||
16431 | DSAS->addMappedClassesQualTypes(TE->getType()); | ||||
16432 | // Try to find the associated user-defined mapper. | ||||
16433 | ExprResult ER = buildUserDefinedMapperRef( | ||||
16434 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
16435 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||
16436 | if (ER.isInvalid()) | ||||
16437 | continue; | ||||
16438 | MVLI.UDMapperList.push_back(ER.get()); | ||||
16439 | // Skip restriction checking for variable or field declarations | ||||
16440 | MVLI.ProcessedVarList.push_back(RE); | ||||
16441 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
16442 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||
16443 | CurComponents.end()); | ||||
16444 | MVLI.VarBaseDeclarations.push_back(nullptr); | ||||
16445 | continue; | ||||
16446 | } | ||||
16447 | |||||
16448 | // For the following checks, we rely on the base declaration which is | ||||
16449 | // expected to be associated with the last component. The declaration is | ||||
16450 | // expected to be a variable or a field (if 'this' is being mapped). | ||||
16451 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | ||||
16452 | assert(CurDeclaration && "Null decl on map clause.")((CurDeclaration && "Null decl on map clause.") ? static_cast <void> (0) : __assert_fail ("CurDeclaration && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16452, __PRETTY_FUNCTION__)); | ||||
16453 | assert(((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16455, __PRETTY_FUNCTION__)) | ||||
16454 | CurDeclaration->isCanonicalDecl() &&((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16455, __PRETTY_FUNCTION__)) | ||||
16455 | "Expecting components to have associated only canonical declarations.")((CurDeclaration->isCanonicalDecl() && "Expecting components to have associated only canonical declarations." ) ? static_cast<void> (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16455, __PRETTY_FUNCTION__)); | ||||
16456 | |||||
16457 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | ||||
16458 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | ||||
16459 | |||||
16460 | assert((VD || FD) && "Only variables or fields are expected here!")(((VD || FD) && "Only variables or fields are expected here!" ) ? static_cast<void> (0) : __assert_fail ("(VD || FD) && \"Only variables or fields are expected here!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16460, __PRETTY_FUNCTION__)); | ||||
16461 | (void)FD; | ||||
16462 | |||||
16463 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | ||||
16464 | // threadprivate variables cannot appear in a map clause. | ||||
16465 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||
16466 | // threadprivate variables cannot appear in a from clause. | ||||
16467 | if (VD && DSAS->isThreadPrivate(VD)) { | ||||
16468 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||
16469 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | ||||
16470 | << getOpenMPClauseName(CKind); | ||||
16471 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); | ||||
16472 | continue; | ||||
16473 | } | ||||
16474 | |||||
16475 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||
16476 | // A list item cannot appear in both a map clause and a data-sharing | ||||
16477 | // attribute clause on the same construct. | ||||
16478 | |||||
16479 | // Check conflicts with other map clause expressions. We check the conflicts | ||||
16480 | // with the current construct separately from the enclosing data | ||||
16481 | // environment, because the restrictions are different. We only have to | ||||
16482 | // check conflicts across regions for the map clauses. | ||||
16483 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||
16484 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | ||||
16485 | break; | ||||
16486 | if (CKind == OMPC_map && | ||||
16487 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||
16488 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | ||||
16489 | break; | ||||
16490 | |||||
16491 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||
16492 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||
16493 | // If the type of a list item is a reference to a type T then the type will | ||||
16494 | // be considered to be T for all purposes of this clause. | ||||
16495 | auto I = llvm::find_if( | ||||
16496 | CurComponents, | ||||
16497 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { | ||||
16498 | return MC.getAssociatedDeclaration(); | ||||
16499 | }); | ||||
16500 | assert(I != CurComponents.end() && "Null decl on map clause.")((I != CurComponents.end() && "Null decl on map clause." ) ? static_cast<void> (0) : __assert_fail ("I != CurComponents.end() && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16500, __PRETTY_FUNCTION__)); | ||||
16501 | QualType Type; | ||||
16502 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); | ||||
16503 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); | ||||
16504 | if (ASE) { | ||||
16505 | Type = ASE->getType().getNonReferenceType(); | ||||
16506 | } else if (OASE) { | ||||
16507 | QualType BaseType = | ||||
16508 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||
16509 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||
16510 | Type = ATy->getElementType(); | ||||
16511 | else | ||||
16512 | Type = BaseType->getPointeeType(); | ||||
16513 | Type = Type.getNonReferenceType(); | ||||
16514 | } else { | ||||
16515 | Type = VE->getType(); | ||||
16516 | } | ||||
16517 | |||||
16518 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | ||||
16519 | // A list item in a to or from clause must have a mappable type. | ||||
16520 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||
16521 | // A list item must have a mappable type. | ||||
16522 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | ||||
16523 | DSAS, Type)) | ||||
16524 | continue; | ||||
16525 | |||||
16526 | Type = I->getAssociatedDeclaration()->getType().getNonReferenceType(); | ||||
16527 | |||||
16528 | if (CKind == OMPC_map) { | ||||
16529 | // target enter data | ||||
16530 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||
16531 | // A map-type must be specified in all map clauses and must be either | ||||
16532 | // to or alloc. | ||||
16533 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | ||||
16534 | if (DKind == OMPD_target_enter_data && | ||||
16535 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | ||||
16536 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||
16537 | << (IsMapTypeImplicit ? 1 : 0) | ||||
16538 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||
16539 | << getOpenMPDirectiveName(DKind); | ||||
16540 | continue; | ||||
16541 | } | ||||
16542 | |||||
16543 | // target exit_data | ||||
16544 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||
16545 | // A map-type must be specified in all map clauses and must be either | ||||
16546 | // from, release, or delete. | ||||
16547 | if (DKind == OMPD_target_exit_data && | ||||
16548 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | ||||
16549 | MapType == OMPC_MAP_delete)) { | ||||
16550 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||
16551 | << (IsMapTypeImplicit ? 1 : 0) | ||||
16552 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||
16553 | << getOpenMPDirectiveName(DKind); | ||||
16554 | continue; | ||||
16555 | } | ||||
16556 | |||||
16557 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||
16558 | // A list item cannot appear in both a map clause and a data-sharing | ||||
16559 | // attribute clause on the same construct | ||||
16560 | // | ||||
16561 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||
16562 | // A list item cannot appear in both a map clause and a data-sharing | ||||
16563 | // attribute clause on the same construct unless the construct is a | ||||
16564 | // combined construct. | ||||
16565 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && | ||||
16566 | isOpenMPTargetExecutionDirective(DKind)) || | ||||
16567 | DKind == OMPD_target)) { | ||||
16568 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||
16569 | if (isOpenMPPrivate(DVar.CKind)) { | ||||
16570 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
16571 | << getOpenMPClauseName(DVar.CKind) | ||||
16572 | << getOpenMPClauseName(OMPC_map) | ||||
16573 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | ||||
16574 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); | ||||
16575 | continue; | ||||
16576 | } | ||||
16577 | } | ||||
16578 | } | ||||
16579 | |||||
16580 | // Try to find the associated user-defined mapper. | ||||
16581 | ExprResult ER = buildUserDefinedMapperRef( | ||||
16582 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||
16583 | Type.getCanonicalType(), UnresolvedMapper); | ||||
16584 | if (ER.isInvalid()) | ||||
16585 | continue; | ||||
16586 | MVLI.UDMapperList.push_back(ER.get()); | ||||
16587 | |||||
16588 | // Save the current expression. | ||||
16589 | MVLI.ProcessedVarList.push_back(RE); | ||||
16590 | |||||
16591 | // Store the components in the stack so that they can be used to check | ||||
16592 | // against other clauses later on. | ||||
16593 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | ||||
16594 | /*WhereFoundClauseKind=*/OMPC_map); | ||||
16595 | |||||
16596 | // Save the components and declaration to create the clause. For purposes of | ||||
16597 | // the clause creation, any component list that has has base 'this' uses | ||||
16598 | // null as base declaration. | ||||
16599 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
16600 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||
16601 | CurComponents.end()); | ||||
16602 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | ||||
16603 | : CurDeclaration); | ||||
16604 | } | ||||
16605 | } | ||||
16606 | |||||
16607 | OMPClause *Sema::ActOnOpenMPMapClause( | ||||
16608 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||
16609 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | ||||
16610 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||
16611 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, | ||||
16612 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||
16613 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||
16614 | OpenMPMapModifierKind Modifiers[] = {OMPC_MAP_MODIFIER_unknown, | ||||
16615 | OMPC_MAP_MODIFIER_unknown, | ||||
16616 | OMPC_MAP_MODIFIER_unknown}; | ||||
16617 | SourceLocation ModifiersLoc[OMPMapClause::NumberOfModifiers]; | ||||
16618 | |||||
16619 | // Process map-type-modifiers, flag errors for duplicate modifiers. | ||||
16620 | unsigned Count = 0; | ||||
16621 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { | ||||
16622 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && | ||||
16623 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { | ||||
16624 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); | ||||
16625 | continue; | ||||
16626 | } | ||||
16627 | assert(Count < OMPMapClause::NumberOfModifiers &&((Count < OMPMapClause::NumberOfModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < OMPMapClause::NumberOfModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16628, __PRETTY_FUNCTION__)) | ||||
16628 | "Modifiers exceed the allowed number of map type modifiers")((Count < OMPMapClause::NumberOfModifiers && "Modifiers exceed the allowed number of map type modifiers" ) ? static_cast<void> (0) : __assert_fail ("Count < OMPMapClause::NumberOfModifiers && \"Modifiers exceed the allowed number of map type modifiers\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16628, __PRETTY_FUNCTION__)); | ||||
16629 | Modifiers[Count] = MapTypeModifiers[I]; | ||||
16630 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; | ||||
16631 | ++Count; | ||||
16632 | } | ||||
16633 | |||||
16634 | MappableVarListInfo MVLI(VarList); | ||||
16635 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, | ||||
16636 | MapperIdScopeSpec, MapperId, UnresolvedMappers, | ||||
16637 | MapType, IsMapTypeImplicit); | ||||
16638 | |||||
16639 | // We need to produce a map clause even if we don't have variables so that | ||||
16640 | // other diagnostics related with non-existing map clauses are accurate. | ||||
16641 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||
16642 | MVLI.VarBaseDeclarations, MVLI.VarComponents, | ||||
16643 | MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||
16644 | MapperIdScopeSpec.getWithLocInContext(Context), | ||||
16645 | MapperId, MapType, IsMapTypeImplicit, MapLoc); | ||||
16646 | } | ||||
16647 | |||||
16648 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | ||||
16649 | TypeResult ParsedType) { | ||||
16650 | assert(ParsedType.isUsable())((ParsedType.isUsable()) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16650, __PRETTY_FUNCTION__)); | ||||
16651 | |||||
16652 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | ||||
16653 | if (ReductionType.isNull()) | ||||
16654 | return QualType(); | ||||
16655 | |||||
16656 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | ||||
16657 | // A type name in a declare reduction directive cannot be a function type, an | ||||
16658 | // array type, a reference type, or a type qualified with const, volatile or | ||||
16659 | // restrict. | ||||
16660 | if (ReductionType.hasQualifiers()) { | ||||
16661 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | ||||
16662 | return QualType(); | ||||
16663 | } | ||||
16664 | |||||
16665 | if (ReductionType->isFunctionType()) { | ||||
16666 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | ||||
16667 | return QualType(); | ||||
16668 | } | ||||
16669 | if (ReductionType->isReferenceType()) { | ||||
16670 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | ||||
16671 | return QualType(); | ||||
16672 | } | ||||
16673 | if (ReductionType->isArrayType()) { | ||||
16674 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | ||||
16675 | return QualType(); | ||||
16676 | } | ||||
16677 | return ReductionType; | ||||
16678 | } | ||||
16679 | |||||
16680 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | ||||
16681 | Scope *S, DeclContext *DC, DeclarationName Name, | ||||
16682 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | ||||
16683 | AccessSpecifier AS, Decl *PrevDeclInScope) { | ||||
16684 | SmallVector<Decl *, 8> Decls; | ||||
16685 | Decls.reserve(ReductionTypes.size()); | ||||
16686 | |||||
16687 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | ||||
16688 | forRedeclarationInCurContext()); | ||||
16689 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | ||||
16690 | // A reduction-identifier may not be re-declared in the current scope for the | ||||
16691 | // same type or for a type that is compatible according to the base language | ||||
16692 | // rules. | ||||
16693 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||
16694 | OMPDeclareReductionDecl *PrevDRD = nullptr; | ||||
16695 | bool InCompoundScope = true; | ||||
16696 | if (S != nullptr) { | ||||
16697 | // Find previous declaration with the same name not referenced in other | ||||
16698 | // declarations. | ||||
16699 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||
16700 | InCompoundScope = | ||||
16701 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||
16702 | LookupName(Lookup, S); | ||||
16703 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||
16704 | /*AllowInlineNamespace=*/false); | ||||
16705 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | ||||
16706 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||
16707 | while (Filter.hasNext()) { | ||||
16708 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | ||||
16709 | if (InCompoundScope) { | ||||
16710 | auto I = UsedAsPrevious.find(PrevDecl); | ||||
16711 | if (I == UsedAsPrevious.end()) | ||||
16712 | UsedAsPrevious[PrevDecl] = false; | ||||
16713 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) | ||||
16714 | UsedAsPrevious[D] = true; | ||||
16715 | } | ||||
16716 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||
16717 | PrevDecl->getLocation(); | ||||
16718 | } | ||||
16719 | Filter.done(); | ||||
16720 | if (InCompoundScope) { | ||||
16721 | for (const auto &PrevData : UsedAsPrevious) { | ||||
16722 | if (!PrevData.second) { | ||||
16723 | PrevDRD = PrevData.first; | ||||
16724 | break; | ||||
16725 | } | ||||
16726 | } | ||||
16727 | } | ||||
16728 | } else if (PrevDeclInScope != nullptr) { | ||||
16729 | auto *PrevDRDInScope = PrevDRD = | ||||
16730 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | ||||
16731 | do { | ||||
16732 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | ||||
16733 | PrevDRDInScope->getLocation(); | ||||
16734 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | ||||
16735 | } while (PrevDRDInScope != nullptr); | ||||
16736 | } | ||||
16737 | for (const auto &TyData : ReductionTypes) { | ||||
16738 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | ||||
16739 | bool Invalid = false; | ||||
16740 | if (I != PreviousRedeclTypes.end()) { | ||||
16741 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | ||||
16742 | << TyData.first; | ||||
16743 | Diag(I->second, diag::note_previous_definition); | ||||
16744 | Invalid = true; | ||||
16745 | } | ||||
16746 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | ||||
16747 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | ||||
16748 | Name, TyData.first, PrevDRD); | ||||
16749 | DC->addDecl(DRD); | ||||
16750 | DRD->setAccess(AS); | ||||
16751 | Decls.push_back(DRD); | ||||
16752 | if (Invalid) | ||||
16753 | DRD->setInvalidDecl(); | ||||
16754 | else | ||||
16755 | PrevDRD = DRD; | ||||
16756 | } | ||||
16757 | |||||
16758 | return DeclGroupPtrTy::make( | ||||
16759 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | ||||
16760 | } | ||||
16761 | |||||
16762 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | ||||
16763 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
16764 | |||||
16765 | // Enter new function scope. | ||||
16766 | PushFunctionScope(); | ||||
16767 | setFunctionHasBranchProtectedScope(); | ||||
16768 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | ||||
16769 | |||||
16770 | if (S != nullptr) | ||||
16771 | PushDeclContext(S, DRD); | ||||
16772 | else | ||||
16773 | CurContext = DRD; | ||||
16774 | |||||
16775 | PushExpressionEvaluationContext( | ||||
16776 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
16777 | |||||
16778 | QualType ReductionType = DRD->getType(); | ||||
16779 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | ||||
16780 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | ||||
16781 | // uses semantics of argument handles by value, but it should be passed by | ||||
16782 | // reference. C lang does not support references, so pass all parameters as | ||||
16783 | // pointers. | ||||
16784 | // Create 'T omp_in;' variable. | ||||
16785 | VarDecl *OmpInParm = | ||||
16786 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | ||||
16787 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | ||||
16788 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | ||||
16789 | // uses semantics of argument handles by value, but it should be passed by | ||||
16790 | // reference. C lang does not support references, so pass all parameters as | ||||
16791 | // pointers. | ||||
16792 | // Create 'T omp_out;' variable. | ||||
16793 | VarDecl *OmpOutParm = | ||||
16794 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | ||||
16795 | if (S != nullptr) { | ||||
16796 | PushOnScopeChains(OmpInParm, S); | ||||
16797 | PushOnScopeChains(OmpOutParm, S); | ||||
16798 | } else { | ||||
16799 | DRD->addDecl(OmpInParm); | ||||
16800 | DRD->addDecl(OmpOutParm); | ||||
16801 | } | ||||
16802 | Expr *InE = | ||||
16803 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); | ||||
16804 | Expr *OutE = | ||||
16805 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); | ||||
16806 | DRD->setCombinerData(InE, OutE); | ||||
16807 | } | ||||
16808 | |||||
16809 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | ||||
16810 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
16811 | DiscardCleanupsInEvaluationContext(); | ||||
16812 | PopExpressionEvaluationContext(); | ||||
16813 | |||||
16814 | PopDeclContext(); | ||||
16815 | PopFunctionScopeInfo(); | ||||
16816 | |||||
16817 | if (Combiner != nullptr) | ||||
16818 | DRD->setCombiner(Combiner); | ||||
16819 | else | ||||
16820 | DRD->setInvalidDecl(); | ||||
16821 | } | ||||
16822 | |||||
16823 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | ||||
16824 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
16825 | |||||
16826 | // Enter new function scope. | ||||
16827 | PushFunctionScope(); | ||||
16828 | setFunctionHasBranchProtectedScope(); | ||||
16829 | |||||
16830 | if (S != nullptr) | ||||
16831 | PushDeclContext(S, DRD); | ||||
16832 | else | ||||
16833 | CurContext = DRD; | ||||
16834 | |||||
16835 | PushExpressionEvaluationContext( | ||||
16836 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||
16837 | |||||
16838 | QualType ReductionType = DRD->getType(); | ||||
16839 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | ||||
16840 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | ||||
16841 | // uses semantics of argument handles by value, but it should be passed by | ||||
16842 | // reference. C lang does not support references, so pass all parameters as | ||||
16843 | // pointers. | ||||
16844 | // Create 'T omp_priv;' variable. | ||||
16845 | VarDecl *OmpPrivParm = | ||||
16846 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | ||||
16847 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | ||||
16848 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | ||||
16849 | // uses semantics of argument handles by value, but it should be passed by | ||||
16850 | // reference. C lang does not support references, so pass all parameters as | ||||
16851 | // pointers. | ||||
16852 | // Create 'T omp_orig;' variable. | ||||
16853 | VarDecl *OmpOrigParm = | ||||
16854 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | ||||
16855 | if (S != nullptr) { | ||||
16856 | PushOnScopeChains(OmpPrivParm, S); | ||||
16857 | PushOnScopeChains(OmpOrigParm, S); | ||||
16858 | } else { | ||||
16859 | DRD->addDecl(OmpPrivParm); | ||||
16860 | DRD->addDecl(OmpOrigParm); | ||||
16861 | } | ||||
16862 | Expr *OrigE = | ||||
16863 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); | ||||
16864 | Expr *PrivE = | ||||
16865 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); | ||||
16866 | DRD->setInitializerData(OrigE, PrivE); | ||||
16867 | return OmpPrivParm; | ||||
16868 | } | ||||
16869 | |||||
16870 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | ||||
16871 | VarDecl *OmpPrivParm) { | ||||
16872 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||
16873 | DiscardCleanupsInEvaluationContext(); | ||||
16874 | PopExpressionEvaluationContext(); | ||||
16875 | |||||
16876 | PopDeclContext(); | ||||
16877 | PopFunctionScopeInfo(); | ||||
16878 | |||||
16879 | if (Initializer != nullptr) { | ||||
16880 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | ||||
16881 | } else if (OmpPrivParm->hasInit()) { | ||||
16882 | DRD->setInitializer(OmpPrivParm->getInit(), | ||||
16883 | OmpPrivParm->isDirectInit() | ||||
16884 | ? OMPDeclareReductionDecl::DirectInit | ||||
16885 | : OMPDeclareReductionDecl::CopyInit); | ||||
16886 | } else { | ||||
16887 | DRD->setInvalidDecl(); | ||||
16888 | } | ||||
16889 | } | ||||
16890 | |||||
16891 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | ||||
16892 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | ||||
16893 | for (Decl *D : DeclReductions.get()) { | ||||
16894 | if (IsValid) { | ||||
16895 | if (S) | ||||
16896 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, | ||||
16897 | /*AddToContext=*/false); | ||||
16898 | } else { | ||||
16899 | D->setInvalidDecl(); | ||||
16900 | } | ||||
16901 | } | ||||
16902 | return DeclReductions; | ||||
16903 | } | ||||
16904 | |||||
16905 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { | ||||
16906 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | ||||
16907 | QualType T = TInfo->getType(); | ||||
16908 | if (D.isInvalidType()) | ||||
16909 | return true; | ||||
16910 | |||||
16911 | if (getLangOpts().CPlusPlus) { | ||||
16912 | // Check that there are no default arguments (C++ only). | ||||
16913 | CheckExtraCXXDefaultArguments(D); | ||||
16914 | } | ||||
16915 | |||||
16916 | return CreateParsedType(T, TInfo); | ||||
16917 | } | ||||
16918 | |||||
16919 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, | ||||
16920 | TypeResult ParsedType) { | ||||
16921 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")((ParsedType.isUsable() && "Expect usable parsed mapper type" ) ? static_cast<void> (0) : __assert_fail ("ParsedType.isUsable() && \"Expect usable parsed mapper type\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16921, __PRETTY_FUNCTION__)); | ||||
16922 | |||||
16923 | QualType MapperType = GetTypeFromParser(ParsedType.get()); | ||||
16924 | assert(!MapperType.isNull() && "Expect valid mapper type")((!MapperType.isNull() && "Expect valid mapper type") ? static_cast<void> (0) : __assert_fail ("!MapperType.isNull() && \"Expect valid mapper type\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 16924, __PRETTY_FUNCTION__)); | ||||
16925 | |||||
16926 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
16927 | // The type must be of struct, union or class type in C and C++ | ||||
16928 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { | ||||
16929 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); | ||||
16930 | return QualType(); | ||||
16931 | } | ||||
16932 | return MapperType; | ||||
16933 | } | ||||
16934 | |||||
16935 | OMPDeclareMapperDecl *Sema::ActOnOpenMPDeclareMapperDirectiveStart( | ||||
16936 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, | ||||
16937 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, | ||||
16938 | Decl *PrevDeclInScope) { | ||||
16939 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, | ||||
16940 | forRedeclarationInCurContext()); | ||||
16941 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||
16942 | // A mapper-identifier may not be redeclared in the current scope for the | ||||
16943 | // same type or for a type that is compatible according to the base language | ||||
16944 | // rules. | ||||
16945 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||
16946 | OMPDeclareMapperDecl *PrevDMD = nullptr; | ||||
16947 | bool InCompoundScope = true; | ||||
16948 | if (S != nullptr) { | ||||
16949 | // Find previous declaration with the same name not referenced in other | ||||
16950 | // declarations. | ||||
16951 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||
16952 | InCompoundScope = | ||||
16953 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||
16954 | LookupName(Lookup, S); | ||||
16955 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||
16956 | /*AllowInlineNamespace=*/false); | ||||
16957 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; | ||||
16958 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||
16959 | while (Filter.hasNext()) { | ||||
16960 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); | ||||
16961 | if (InCompoundScope) { | ||||
16962 | auto I = UsedAsPrevious.find(PrevDecl); | ||||
16963 | if (I == UsedAsPrevious.end()) | ||||
16964 | UsedAsPrevious[PrevDecl] = false; | ||||
16965 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) | ||||
16966 | UsedAsPrevious[D] = true; | ||||
16967 | } | ||||
16968 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||
16969 | PrevDecl->getLocation(); | ||||
16970 | } | ||||
16971 | Filter.done(); | ||||
16972 | if (InCompoundScope) { | ||||
16973 | for (const auto &PrevData : UsedAsPrevious) { | ||||
16974 | if (!PrevData.second) { | ||||
16975 | PrevDMD = PrevData.first; | ||||
16976 | break; | ||||
16977 | } | ||||
16978 | } | ||||
16979 | } | ||||
16980 | } else if (PrevDeclInScope) { | ||||
16981 | auto *PrevDMDInScope = PrevDMD = | ||||
16982 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); | ||||
16983 | do { | ||||
16984 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = | ||||
16985 | PrevDMDInScope->getLocation(); | ||||
16986 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); | ||||
16987 | } while (PrevDMDInScope != nullptr); | ||||
16988 | } | ||||
16989 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); | ||||
16990 | bool Invalid = false; | ||||
16991 | if (I != PreviousRedeclTypes.end()) { | ||||
16992 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) | ||||
16993 | << MapperType << Name; | ||||
16994 | Diag(I->second, diag::note_previous_definition); | ||||
16995 | Invalid = true; | ||||
16996 | } | ||||
16997 | auto *DMD = OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, | ||||
16998 | MapperType, VN, PrevDMD); | ||||
16999 | DC->addDecl(DMD); | ||||
17000 | DMD->setAccess(AS); | ||||
17001 | if (Invalid) | ||||
17002 | DMD->setInvalidDecl(); | ||||
17003 | |||||
17004 | // Enter new function scope. | ||||
17005 | PushFunctionScope(); | ||||
17006 | setFunctionHasBranchProtectedScope(); | ||||
17007 | |||||
17008 | CurContext = DMD; | ||||
17009 | |||||
17010 | return DMD; | ||||
17011 | } | ||||
17012 | |||||
17013 | void Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(OMPDeclareMapperDecl *DMD, | ||||
17014 | Scope *S, | ||||
17015 | QualType MapperType, | ||||
17016 | SourceLocation StartLoc, | ||||
17017 | DeclarationName VN) { | ||||
17018 | VarDecl *VD = buildVarDecl(*this, StartLoc, MapperType, VN.getAsString()); | ||||
17019 | if (S) | ||||
17020 | PushOnScopeChains(VD, S); | ||||
17021 | else | ||||
17022 | DMD->addDecl(VD); | ||||
17023 | Expr *MapperVarRefExpr = buildDeclRefExpr(*this, VD, MapperType, StartLoc); | ||||
17024 | DMD->setMapperVarRef(MapperVarRefExpr); | ||||
17025 | } | ||||
17026 | |||||
17027 | Sema::DeclGroupPtrTy | ||||
17028 | Sema::ActOnOpenMPDeclareMapperDirectiveEnd(OMPDeclareMapperDecl *D, Scope *S, | ||||
17029 | ArrayRef<OMPClause *> ClauseList) { | ||||
17030 | PopDeclContext(); | ||||
17031 | PopFunctionScopeInfo(); | ||||
17032 | |||||
17033 | if (D) { | ||||
17034 | if (S) | ||||
17035 | PushOnScopeChains(D, S, /*AddToContext=*/false); | ||||
17036 | D->CreateClauses(Context, ClauseList); | ||||
17037 | } | ||||
17038 | |||||
17039 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||
17040 | } | ||||
17041 | |||||
17042 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | ||||
17043 | SourceLocation StartLoc, | ||||
17044 | SourceLocation LParenLoc, | ||||
17045 | SourceLocation EndLoc) { | ||||
17046 | Expr *ValExpr = NumTeams; | ||||
17047 | Stmt *HelperValStmt = nullptr; | ||||
17048 | |||||
17049 | // OpenMP [teams Constrcut, Restrictions] | ||||
17050 | // The num_teams expression must evaluate to a positive integer value. | ||||
17051 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | ||||
17052 | /*StrictlyPositive=*/true)) | ||||
17053 | return nullptr; | ||||
17054 | |||||
17055 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
17056 | OpenMPDirectiveKind CaptureRegion = | ||||
17057 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); | ||||
17058 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
17059 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
17060 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
17061 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
17062 | HelperValStmt = buildPreInits(Context, Captures); | ||||
17063 | } | ||||
17064 | |||||
17065 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
17066 | StartLoc, LParenLoc, EndLoc); | ||||
17067 | } | ||||
17068 | |||||
17069 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | ||||
17070 | SourceLocation StartLoc, | ||||
17071 | SourceLocation LParenLoc, | ||||
17072 | SourceLocation EndLoc) { | ||||
17073 | Expr *ValExpr = ThreadLimit; | ||||
17074 | Stmt *HelperValStmt = nullptr; | ||||
17075 | |||||
17076 | // OpenMP [teams Constrcut, Restrictions] | ||||
17077 | // The thread_limit expression must evaluate to a positive integer value. | ||||
17078 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | ||||
17079 | /*StrictlyPositive=*/true)) | ||||
17080 | return nullptr; | ||||
17081 | |||||
17082 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||
17083 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( | ||||
17084 | DKind, OMPC_thread_limit, LangOpts.OpenMP); | ||||
17085 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||
17086 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
17087 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
17088 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
17089 | HelperValStmt = buildPreInits(Context, Captures); | ||||
17090 | } | ||||
17091 | |||||
17092 | return new (Context) OMPThreadLimitClause( | ||||
17093 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||
17094 | } | ||||
17095 | |||||
17096 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | ||||
17097 | SourceLocation StartLoc, | ||||
17098 | SourceLocation LParenLoc, | ||||
17099 | SourceLocation EndLoc) { | ||||
17100 | Expr *ValExpr = Priority; | ||||
17101 | Stmt *HelperValStmt = nullptr; | ||||
17102 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
17103 | |||||
17104 | // OpenMP [2.9.1, task Constrcut] | ||||
17105 | // The priority-value is a non-negative numerical scalar expression. | ||||
17106 | if (!isNonNegativeIntegerValue( | ||||
17107 | ValExpr, *this, OMPC_priority, | ||||
17108 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, | ||||
17109 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
17110 | return nullptr; | ||||
17111 | |||||
17112 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
17113 | StartLoc, LParenLoc, EndLoc); | ||||
17114 | } | ||||
17115 | |||||
17116 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | ||||
17117 | SourceLocation StartLoc, | ||||
17118 | SourceLocation LParenLoc, | ||||
17119 | SourceLocation EndLoc) { | ||||
17120 | Expr *ValExpr = Grainsize; | ||||
17121 | Stmt *HelperValStmt = nullptr; | ||||
17122 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
17123 | |||||
17124 | // OpenMP [2.9.2, taskloop Constrcut] | ||||
17125 | // The parameter of the grainsize clause must be a positive integer | ||||
17126 | // expression. | ||||
17127 | if (!isNonNegativeIntegerValue( | ||||
17128 | ValExpr, *this, OMPC_grainsize, | ||||
17129 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||
17130 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
17131 | return nullptr; | ||||
17132 | |||||
17133 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
17134 | StartLoc, LParenLoc, EndLoc); | ||||
17135 | } | ||||
17136 | |||||
17137 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | ||||
17138 | SourceLocation StartLoc, | ||||
17139 | SourceLocation LParenLoc, | ||||
17140 | SourceLocation EndLoc) { | ||||
17141 | Expr *ValExpr = NumTasks; | ||||
17142 | Stmt *HelperValStmt = nullptr; | ||||
17143 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||
17144 | |||||
17145 | // OpenMP [2.9.2, taskloop Constrcut] | ||||
17146 | // The parameter of the num_tasks clause must be a positive integer | ||||
17147 | // expression. | ||||
17148 | if (!isNonNegativeIntegerValue( | ||||
17149 | ValExpr, *this, OMPC_num_tasks, | ||||
17150 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||
17151 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||
17152 | return nullptr; | ||||
17153 | |||||
17154 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, | ||||
17155 | StartLoc, LParenLoc, EndLoc); | ||||
17156 | } | ||||
17157 | |||||
17158 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | ||||
17159 | SourceLocation LParenLoc, | ||||
17160 | SourceLocation EndLoc) { | ||||
17161 | // OpenMP [2.13.2, critical construct, Description] | ||||
17162 | // ... where hint-expression is an integer constant expression that evaluates | ||||
17163 | // to a valid lock hint. | ||||
17164 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | ||||
17165 | if (HintExpr.isInvalid()) | ||||
17166 | return nullptr; | ||||
17167 | return new (Context) | ||||
17168 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | ||||
17169 | } | ||||
17170 | |||||
17171 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | ||||
17172 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||
17173 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | ||||
17174 | SourceLocation EndLoc) { | ||||
17175 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | ||||
17176 | std::string Values; | ||||
17177 | Values += "'"; | ||||
17178 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | ||||
17179 | Values += "'"; | ||||
17180 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
17181 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | ||||
17182 | return nullptr; | ||||
17183 | } | ||||
17184 | Expr *ValExpr = ChunkSize; | ||||
17185 | Stmt *HelperValStmt = nullptr; | ||||
17186 | if (ChunkSize) { | ||||
17187 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||
17188 | !ChunkSize->isInstantiationDependent() && | ||||
17189 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||
17190 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||
17191 | ExprResult Val = | ||||
17192 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||
17193 | if (Val.isInvalid()) | ||||
17194 | return nullptr; | ||||
17195 | |||||
17196 | ValExpr = Val.get(); | ||||
17197 | |||||
17198 | // OpenMP [2.7.1, Restrictions] | ||||
17199 | // chunk_size must be a loop invariant integer expression with a positive | ||||
17200 | // value. | ||||
17201 | llvm::APSInt Result; | ||||
17202 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | ||||
17203 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | ||||
17204 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||
17205 | << "dist_schedule" << ChunkSize->getSourceRange(); | ||||
17206 | return nullptr; | ||||
17207 | } | ||||
17208 | } else if (getOpenMPCaptureRegionForClause( | ||||
17209 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, | ||||
17210 | LangOpts.OpenMP) != OMPD_unknown && | ||||
17211 | !CurContext->isDependentContext()) { | ||||
17212 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||
17213 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||
17214 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||
17215 | HelperValStmt = buildPreInits(Context, Captures); | ||||
17216 | } | ||||
17217 | } | ||||
17218 | } | ||||
17219 | |||||
17220 | return new (Context) | ||||
17221 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | ||||
17222 | Kind, ValExpr, HelperValStmt); | ||||
17223 | } | ||||
17224 | |||||
17225 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | ||||
17226 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | ||||
17227 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | ||||
17228 | SourceLocation KindLoc, SourceLocation EndLoc) { | ||||
17229 | if (getLangOpts().OpenMP < 50) { | ||||
17230 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || | ||||
17231 | Kind != OMPC_DEFAULTMAP_scalar) { | ||||
17232 | std::string Value; | ||||
17233 | SourceLocation Loc; | ||||
17234 | Value += "'"; | ||||
17235 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | ||||
17236 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||
17237 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||
17238 | Loc = MLoc; | ||||
17239 | } else { | ||||
17240 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||
17241 | OMPC_DEFAULTMAP_scalar); | ||||
17242 | Loc = KindLoc; | ||||
17243 | } | ||||
17244 | Value += "'"; | ||||
17245 | Diag(Loc, diag::err_omp_unexpected_clause_value) | ||||
17246 | << Value << getOpenMPClauseName(OMPC_defaultmap); | ||||
17247 | return nullptr; | ||||
17248 | } | ||||
17249 | } else { | ||||
17250 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); | ||||
17251 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown); | ||||
17252 | if (!isDefaultmapKind || !isDefaultmapModifier) { | ||||
17253 | std::string ModifierValue = "'alloc', 'from', 'to', 'tofrom', " | ||||
17254 | "'firstprivate', 'none', 'default'"; | ||||
17255 | std::string KindValue = "'scalar', 'aggregate', 'pointer'"; | ||||
17256 | if (!isDefaultmapKind && isDefaultmapModifier) { | ||||
17257 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
17258 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
17259 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | ||||
17260 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||
17261 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
17262 | } else { | ||||
17263 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||
17264 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
17265 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||
17266 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||
17267 | } | ||||
17268 | return nullptr; | ||||
17269 | } | ||||
17270 | |||||
17271 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] | ||||
17272 | // At most one defaultmap clause for each category can appear on the | ||||
17273 | // directive. | ||||
17274 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { | ||||
17275 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); | ||||
17276 | return nullptr; | ||||
17277 | } | ||||
17278 | } | ||||
17279 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); | ||||
17280 | |||||
17281 | return new (Context) | ||||
17282 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | ||||
17283 | } | ||||
17284 | |||||
17285 | bool Sema::ActOnStartOpenMPDeclareTargetDirective(SourceLocation Loc) { | ||||
17286 | DeclContext *CurLexicalContext = getCurLexicalContext(); | ||||
17287 | if (!CurLexicalContext->isFileContext() && | ||||
17288 | !CurLexicalContext->isExternCContext() && | ||||
17289 | !CurLexicalContext->isExternCXXContext() && | ||||
17290 | !isa<CXXRecordDecl>(CurLexicalContext) && | ||||
17291 | !isa<ClassTemplateDecl>(CurLexicalContext) && | ||||
17292 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | ||||
17293 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | ||||
17294 | Diag(Loc, diag::err_omp_region_not_file_context); | ||||
17295 | return false; | ||||
17296 | } | ||||
17297 | ++DeclareTargetNestingLevel; | ||||
17298 | return true; | ||||
17299 | } | ||||
17300 | |||||
17301 | void Sema::ActOnFinishOpenMPDeclareTargetDirective() { | ||||
17302 | assert(DeclareTargetNestingLevel > 0 &&((DeclareTargetNestingLevel > 0 && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("DeclareTargetNestingLevel > 0 && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17303, __PRETTY_FUNCTION__)) | ||||
17303 | "Unexpected ActOnFinishOpenMPDeclareTargetDirective")((DeclareTargetNestingLevel > 0 && "Unexpected ActOnFinishOpenMPDeclareTargetDirective" ) ? static_cast<void> (0) : __assert_fail ("DeclareTargetNestingLevel > 0 && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17303, __PRETTY_FUNCTION__)); | ||||
17304 | --DeclareTargetNestingLevel; | ||||
17305 | } | ||||
17306 | |||||
17307 | NamedDecl * | ||||
17308 | Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, CXXScopeSpec &ScopeSpec, | ||||
17309 | const DeclarationNameInfo &Id, | ||||
17310 | NamedDeclSetType &SameDirectiveDecls) { | ||||
17311 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||
17312 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||
17313 | |||||
17314 | if (Lookup.isAmbiguous()) | ||||
17315 | return nullptr; | ||||
17316 | Lookup.suppressDiagnostics(); | ||||
17317 | |||||
17318 | if (!Lookup.isSingleResult()) { | ||||
17319 | VarOrFuncDeclFilterCCC CCC(*this); | ||||
17320 | if (TypoCorrection Corrected = | ||||
17321 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||
17322 | CTK_ErrorRecovery)) { | ||||
17323 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | ||||
17324 | << Id.getName()); | ||||
17325 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | ||||
17326 | return nullptr; | ||||
17327 | } | ||||
17328 | |||||
17329 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | ||||
17330 | return nullptr; | ||||
17331 | } | ||||
17332 | |||||
17333 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | ||||
17334 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && | ||||
17335 | !isa<FunctionTemplateDecl>(ND)) { | ||||
17336 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | ||||
17337 | return nullptr; | ||||
17338 | } | ||||
17339 | if (!SameDirectiveDecls.insert(cast<NamedDecl>(ND->getCanonicalDecl()))) | ||||
17340 | Diag(Id.getLoc(), diag::err_omp_declare_target_multiple) << Id.getName(); | ||||
17341 | return ND; | ||||
17342 | } | ||||
17343 | |||||
17344 | void Sema::ActOnOpenMPDeclareTargetName( | ||||
17345 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, | ||||
17346 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { | ||||
17347 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17349, __PRETTY_FUNCTION__)) | ||||
17348 | isa<FunctionTemplateDecl>(ND)) &&(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17349, __PRETTY_FUNCTION__)) | ||||
17349 | "Expected variable, function or function template.")(((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa <FunctionTemplateDecl>(ND)) && "Expected variable, function or function template." ) ? static_cast<void> (0) : __assert_fail ("(isa<VarDecl>(ND) || isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND)) && \"Expected variable, function or function template.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17349, __PRETTY_FUNCTION__)); | ||||
17350 | |||||
17351 | // Diagnose marking after use as it may lead to incorrect diagnosis and | ||||
17352 | // codegen. | ||||
17353 | if (LangOpts.OpenMP >= 50 && | ||||
17354 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) | ||||
17355 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); | ||||
17356 | |||||
17357 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
17358 | OMPDeclareTargetDeclAttr::getDeviceType(cast<ValueDecl>(ND)); | ||||
17359 | if (DevTy.hasValue() && *DevTy != DT) { | ||||
17360 | Diag(Loc, diag::err_omp_device_type_mismatch) | ||||
17361 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) | ||||
17362 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(*DevTy); | ||||
17363 | return; | ||||
17364 | } | ||||
17365 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
17366 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(cast<ValueDecl>(ND)); | ||||
17367 | if (!Res) { | ||||
17368 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT, DT, | ||||
17369 | SourceRange(Loc, Loc)); | ||||
17370 | ND->addAttr(A); | ||||
17371 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
17372 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | ||||
17373 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); | ||||
17374 | } else if (*Res != MT) { | ||||
17375 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; | ||||
17376 | } | ||||
17377 | } | ||||
17378 | |||||
17379 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | ||||
17380 | Sema &SemaRef, Decl *D) { | ||||
17381 | if (!D || !isa<VarDecl>(D)) | ||||
17382 | return; | ||||
17383 | auto *VD = cast<VarDecl>(D); | ||||
17384 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | ||||
17385 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
17386 | if (SemaRef.LangOpts.OpenMP >= 50 && | ||||
17387 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || | ||||
17388 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && | ||||
17389 | VD->hasGlobalStorage()) { | ||||
17390 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | ||||
17391 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||
17392 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { | ||||
17393 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions | ||||
17394 | // If a lambda declaration and definition appears between a | ||||
17395 | // declare target directive and the matching end declare target | ||||
17396 | // directive, all variables that are captured by the lambda | ||||
17397 | // expression must also appear in a to clause. | ||||
17398 | SemaRef.Diag(VD->getLocation(), | ||||
17399 | diag::err_omp_lambda_capture_in_declare_target_not_to); | ||||
17400 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) | ||||
17401 | << VD << 0 << SR; | ||||
17402 | return; | ||||
17403 | } | ||||
17404 | } | ||||
17405 | if (MapTy.hasValue()) | ||||
17406 | return; | ||||
17407 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); | ||||
17408 | SemaRef.Diag(SL, diag::note_used_here) << SR; | ||||
17409 | } | ||||
17410 | |||||
17411 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | ||||
17412 | Sema &SemaRef, DSAStackTy *Stack, | ||||
17413 | ValueDecl *VD) { | ||||
17414 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || | ||||
17415 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | ||||
17416 | /*FullCheck=*/false); | ||||
17417 | } | ||||
17418 | |||||
17419 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | ||||
17420 | SourceLocation IdLoc) { | ||||
17421 | if (!D || D->isInvalidDecl()) | ||||
17422 | return; | ||||
17423 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | ||||
17424 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); | ||||
17425 | if (auto *VD = dyn_cast<VarDecl>(D)) { | ||||
17426 | // Only global variables can be marked as declare target. | ||||
17427 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && | ||||
17428 | !VD->isStaticDataMember()) | ||||
17429 | return; | ||||
17430 | // 2.10.6: threadprivate variable cannot appear in a declare target | ||||
17431 | // directive. | ||||
17432 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||
17433 | Diag(SL, diag::err_omp_threadprivate_in_target); | ||||
17434 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | ||||
17435 | return; | ||||
17436 | } | ||||
17437 | } | ||||
17438 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) | ||||
17439 | D = FTD->getTemplatedDecl(); | ||||
17440 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | ||||
17441 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||
17442 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); | ||||
17443 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||
17444 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | ||||
17445 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | ||||
17446 | return; | ||||
17447 | } | ||||
17448 | // Mark the function as must be emitted for the device. | ||||
17449 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||
17450 | OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||
17451 | if (LangOpts.OpenMPIsDevice && Res.hasValue() && IdLoc.isValid() && | ||||
17452 | *DevTy != OMPDeclareTargetDeclAttr::DT_Host) | ||||
17453 | checkOpenMPDeviceFunction(IdLoc, FD, /*CheckForDelayedContext=*/false); | ||||
17454 | if (!LangOpts.OpenMPIsDevice && Res.hasValue() && IdLoc.isValid() && | ||||
17455 | *DevTy != OMPDeclareTargetDeclAttr::DT_NoHost) | ||||
17456 | checkOpenMPHostFunction(IdLoc, FD, /*CheckCaller=*/false); | ||||
17457 | } | ||||
17458 | if (auto *VD = dyn_cast<ValueDecl>(D)) { | ||||
17459 | // Problem if any with var declared with incomplete type will be reported | ||||
17460 | // as normal, so no need to check it here. | ||||
17461 | if ((E || !VD->getType()->isIncompleteType()) && | ||||
17462 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) | ||||
17463 | return; | ||||
17464 | if (!E && !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) { | ||||
17465 | // Checking declaration inside declare target region. | ||||
17466 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | ||||
17467 | isa<FunctionTemplateDecl>(D)) { | ||||
17468 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | ||||
17469 | Context, OMPDeclareTargetDeclAttr::MT_To, | ||||
17470 | OMPDeclareTargetDeclAttr::DT_Any, SourceRange(IdLoc, IdLoc)); | ||||
17471 | D->addAttr(A); | ||||
17472 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||
17473 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | ||||
17474 | } | ||||
17475 | return; | ||||
17476 | } | ||||
17477 | } | ||||
17478 | if (!E) | ||||
17479 | return; | ||||
17480 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | ||||
17481 | } | ||||
17482 | |||||
17483 | OMPClause *Sema::ActOnOpenMPToClause(ArrayRef<Expr *> VarList, | ||||
17484 | CXXScopeSpec &MapperIdScopeSpec, | ||||
17485 | DeclarationNameInfo &MapperId, | ||||
17486 | const OMPVarListLocTy &Locs, | ||||
17487 | ArrayRef<Expr *> UnresolvedMappers) { | ||||
17488 | MappableVarListInfo MVLI(VarList); | ||||
17489 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, | ||||
17490 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||
17491 | if (MVLI.ProcessedVarList.empty()) | ||||
17492 | return nullptr; | ||||
17493 | |||||
17494 | return OMPToClause::Create( | ||||
17495 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||
17496 | MVLI.VarComponents, MVLI.UDMapperList, | ||||
17497 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||
17498 | } | ||||
17499 | |||||
17500 | OMPClause *Sema::ActOnOpenMPFromClause(ArrayRef<Expr *> VarList, | ||||
17501 | CXXScopeSpec &MapperIdScopeSpec, | ||||
17502 | DeclarationNameInfo &MapperId, | ||||
17503 | const OMPVarListLocTy &Locs, | ||||
17504 | ArrayRef<Expr *> UnresolvedMappers) { | ||||
17505 | MappableVarListInfo MVLI(VarList); | ||||
17506 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, | ||||
17507 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||
17508 | if (MVLI.ProcessedVarList.empty()) | ||||
17509 | return nullptr; | ||||
17510 | |||||
17511 | return OMPFromClause::Create( | ||||
17512 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||
17513 | MVLI.VarComponents, MVLI.UDMapperList, | ||||
17514 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||
17515 | } | ||||
17516 | |||||
17517 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
17518 | const OMPVarListLocTy &Locs) { | ||||
17519 | MappableVarListInfo MVLI(VarList); | ||||
17520 | SmallVector<Expr *, 8> PrivateCopies; | ||||
17521 | SmallVector<Expr *, 8> Inits; | ||||
17522 | |||||
17523 | for (Expr *RefExpr : VarList) { | ||||
17524 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")((RefExpr && "NULL expr in OpenMP use_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17524, __PRETTY_FUNCTION__)); | ||||
17525 | SourceLocation ELoc; | ||||
17526 | SourceRange ERange; | ||||
17527 | Expr *SimpleRefExpr = RefExpr; | ||||
17528 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
17529 | if (Res.second) { | ||||
17530 | // It will be analyzed later. | ||||
17531 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||
17532 | PrivateCopies.push_back(nullptr); | ||||
17533 | Inits.push_back(nullptr); | ||||
17534 | } | ||||
17535 | ValueDecl *D = Res.first; | ||||
17536 | if (!D) | ||||
17537 | continue; | ||||
17538 | |||||
17539 | QualType Type = D->getType(); | ||||
17540 | Type = Type.getNonReferenceType().getUnqualifiedType(); | ||||
17541 | |||||
17542 | auto *VD = dyn_cast<VarDecl>(D); | ||||
17543 | |||||
17544 | // Item should be a pointer or reference to pointer. | ||||
17545 | if (!Type->isPointerType()) { | ||||
17546 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | ||||
17547 | << 0 << RefExpr->getSourceRange(); | ||||
17548 | continue; | ||||
17549 | } | ||||
17550 | |||||
17551 | // Build the private variable and the expression that refers to it. | ||||
17552 | auto VDPrivate = | ||||
17553 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||
17554 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||
17555 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||
17556 | if (VDPrivate->isInvalidDecl()) | ||||
17557 | continue; | ||||
17558 | |||||
17559 | CurContext->addDecl(VDPrivate); | ||||
17560 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||
17561 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||
17562 | |||||
17563 | // Add temporary variable to initialize the private copy of the pointer. | ||||
17564 | VarDecl *VDInit = | ||||
17565 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | ||||
17566 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( | ||||
17567 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); | ||||
17568 | AddInitializerToDecl(VDPrivate, | ||||
17569 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||
17570 | /*DirectInit=*/false); | ||||
17571 | |||||
17572 | // If required, build a capture to implement the privatization initialized | ||||
17573 | // with the current list item value. | ||||
17574 | DeclRefExpr *Ref = nullptr; | ||||
17575 | if (!VD) | ||||
17576 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||
17577 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | ||||
17578 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||
17579 | Inits.push_back(VDInitRefExpr); | ||||
17580 | |||||
17581 | // We need to add a data sharing attribute for this variable to make sure it | ||||
17582 | // is correctly captured. A variable that shows up in a use_device_ptr has | ||||
17583 | // similar properties of a first private variable. | ||||
17584 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||
17585 | |||||
17586 | // Create a mappable component for the list item. List items in this clause | ||||
17587 | // only need a component. | ||||
17588 | MVLI.VarBaseDeclarations.push_back(D); | ||||
17589 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
17590 | MVLI.VarComponents.back().push_back( | ||||
17591 | OMPClauseMappableExprCommon::MappableComponent(SimpleRefExpr, D)); | ||||
17592 | } | ||||
17593 | |||||
17594 | if (MVLI.ProcessedVarList.empty()) | ||||
17595 | return nullptr; | ||||
17596 | |||||
17597 | return OMPUseDevicePtrClause::Create( | ||||
17598 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, | ||||
17599 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | ||||
17600 | } | ||||
17601 | |||||
17602 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | ||||
17603 | const OMPVarListLocTy &Locs) { | ||||
17604 | MappableVarListInfo MVLI(VarList); | ||||
17605 | for (Expr *RefExpr : VarList) { | ||||
17606 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")((RefExpr && "NULL expr in OpenMP is_device_ptr clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP is_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17606, __PRETTY_FUNCTION__)); | ||||
17607 | SourceLocation ELoc; | ||||
17608 | SourceRange ERange; | ||||
17609 | Expr *SimpleRefExpr = RefExpr; | ||||
17610 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
17611 | if (Res.second) { | ||||
17612 | // It will be analyzed later. | ||||
17613 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||
17614 | } | ||||
17615 | ValueDecl *D = Res.first; | ||||
17616 | if (!D) | ||||
17617 | continue; | ||||
17618 | |||||
17619 | QualType Type = D->getType(); | ||||
17620 | // item should be a pointer or array or reference to pointer or array | ||||
17621 | if (!Type.getNonReferenceType()->isPointerType() && | ||||
17622 | !Type.getNonReferenceType()->isArrayType()) { | ||||
17623 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | ||||
17624 | << 0 << RefExpr->getSourceRange(); | ||||
17625 | continue; | ||||
17626 | } | ||||
17627 | |||||
17628 | // Check if the declaration in the clause does not show up in any data | ||||
17629 | // sharing attribute. | ||||
17630 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||
17631 | if (isOpenMPPrivate(DVar.CKind)) { | ||||
17632 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||
17633 | << getOpenMPClauseName(DVar.CKind) | ||||
17634 | << getOpenMPClauseName(OMPC_is_device_ptr) | ||||
17635 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||
17636 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||
17637 | continue; | ||||
17638 | } | ||||
17639 | |||||
17640 | const Expr *ConflictExpr; | ||||
17641 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||
17642 | D, /*CurrentRegionOnly=*/true, | ||||
17643 | [&ConflictExpr]( | ||||
17644 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | ||||
17645 | OpenMPClauseKind) -> bool { | ||||
17646 | ConflictExpr = R.front().getAssociatedExpression(); | ||||
17647 | return true; | ||||
17648 | })) { | ||||
17649 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | ||||
17650 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | ||||
17651 | << ConflictExpr->getSourceRange(); | ||||
17652 | continue; | ||||
17653 | } | ||||
17654 | |||||
17655 | // Store the components in the stack so that they can be used to check | ||||
17656 | // against other clauses later on. | ||||
17657 | OMPClauseMappableExprCommon::MappableComponent MC(SimpleRefExpr, D); | ||||
17658 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | ||||
17659 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | ||||
17660 | |||||
17661 | // Record the expression we've just processed. | ||||
17662 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | ||||
17663 | |||||
17664 | // Create a mappable component for the list item. List items in this clause | ||||
17665 | // only need a component. We use a null declaration to signal fields in | ||||
17666 | // 'this'. | ||||
17667 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17669, __PRETTY_FUNCTION__)) | ||||
17668 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17669, __PRETTY_FUNCTION__)) | ||||
17669 | "Unexpected device pointer expression!")(((isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr >(cast<MemberExpr>(SimpleRefExpr)->getBase())) && "Unexpected device pointer expression!") ? static_cast<void > (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17669, __PRETTY_FUNCTION__)); | ||||
17670 | MVLI.VarBaseDeclarations.push_back( | ||||
17671 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | ||||
17672 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||
17673 | MVLI.VarComponents.back().push_back(MC); | ||||
17674 | } | ||||
17675 | |||||
17676 | if (MVLI.ProcessedVarList.empty()) | ||||
17677 | return nullptr; | ||||
17678 | |||||
17679 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||
17680 | MVLI.VarBaseDeclarations, | ||||
17681 | MVLI.VarComponents); | ||||
17682 | } | ||||
17683 | |||||
17684 | OMPClause *Sema::ActOnOpenMPAllocateClause( | ||||
17685 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||
17686 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||
17687 | if (Allocator) { | ||||
17688 | // OpenMP [2.11.4 allocate Clause, Description] | ||||
17689 | // allocator is an expression of omp_allocator_handle_t type. | ||||
17690 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||
17691 | return nullptr; | ||||
17692 | |||||
17693 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); | ||||
17694 | if (AllocatorRes.isInvalid()) | ||||
17695 | return nullptr; | ||||
17696 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), | ||||
17697 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||
17698 | Sema::AA_Initializing, | ||||
17699 | /*AllowExplicit=*/true); | ||||
17700 | if (AllocatorRes.isInvalid()) | ||||
17701 | return nullptr; | ||||
17702 | Allocator = AllocatorRes.get(); | ||||
17703 | } else { | ||||
17704 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. | ||||
17705 | // allocate clauses that appear on a target construct or on constructs in a | ||||
17706 | // target region must specify an allocator expression unless a requires | ||||
17707 | // directive with the dynamic_allocators clause is present in the same | ||||
17708 | // compilation unit. | ||||
17709 | if (LangOpts.OpenMPIsDevice && | ||||
17710 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||
17711 | targetDiag(StartLoc, diag::err_expected_allocator_expression); | ||||
17712 | } | ||||
17713 | // Analyze and build list of variables. | ||||
17714 | SmallVector<Expr *, 8> Vars; | ||||
17715 | for (Expr *RefExpr : VarList) { | ||||
17716 | assert(RefExpr && "NULL expr in OpenMP private clause.")((RefExpr && "NULL expr in OpenMP private clause.") ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17716, __PRETTY_FUNCTION__)); | ||||
17717 | SourceLocation ELoc; | ||||
17718 | SourceRange ERange; | ||||
17719 | Expr *SimpleRefExpr = RefExpr; | ||||
17720 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
17721 | if (Res.second) { | ||||
17722 | // It will be analyzed later. | ||||
17723 | Vars.push_back(RefExpr); | ||||
17724 | } | ||||
17725 | ValueDecl *D = Res.first; | ||||
17726 | if (!D) | ||||
17727 | continue; | ||||
17728 | |||||
17729 | auto *VD = dyn_cast<VarDecl>(D); | ||||
17730 | DeclRefExpr *Ref = nullptr; | ||||
17731 | if (!VD && !CurContext->isDependentContext()) | ||||
17732 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||
17733 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||
17734 | ? RefExpr->IgnoreParens() | ||||
17735 | : Ref); | ||||
17736 | } | ||||
17737 | |||||
17738 | if (Vars.empty()) | ||||
17739 | return nullptr; | ||||
17740 | |||||
17741 | if (Allocator) | ||||
17742 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); | ||||
17743 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, | ||||
17744 | ColonLoc, EndLoc, Vars); | ||||
17745 | } | ||||
17746 | |||||
17747 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, | ||||
17748 | SourceLocation StartLoc, | ||||
17749 | SourceLocation LParenLoc, | ||||
17750 | SourceLocation EndLoc) { | ||||
17751 | SmallVector<Expr *, 8> Vars; | ||||
17752 | for (Expr *RefExpr : VarList) { | ||||
17753 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((RefExpr && "NULL expr in OpenMP nontemporal clause." ) ? static_cast<void> (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP nontemporal clause.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/clang/lib/Sema/SemaOpenMP.cpp" , 17753, __PRETTY_FUNCTION__)); | ||||
17754 | SourceLocation ELoc; | ||||
17755 | SourceRange ERange; | ||||
17756 | Expr *SimpleRefExpr = RefExpr; | ||||
17757 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||
17758 | if (Res.second) | ||||
17759 | // It will be analyzed later. | ||||
17760 | Vars.push_back(RefExpr); | ||||
17761 | ValueDecl *D = Res.first; | ||||
17762 | if (!D) | ||||
17763 | continue; | ||||
17764 | |||||
17765 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. | ||||
17766 | // A list-item cannot appear in more than one nontemporal clause. | ||||
17767 | if (const Expr *PrevRef = | ||||
17768 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { | ||||
17769 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||
17770 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; | ||||
17771 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||
17772 | << getOpenMPClauseName(OMPC_nontemporal); | ||||
17773 | continue; | ||||
17774 | } | ||||
17775 | |||||
17776 | Vars.push_back(RefExpr); | ||||
17777 | } | ||||
17778 | |||||
17779 | if (Vars.empty()) | ||||
17780 | return nullptr; | ||||
17781 | |||||
17782 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||
17783 | Vars); | ||||
17784 | } |
1 | //===- Optional.h - Simple variant for passing optional values --*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file provides Optional, a template class modeled in the spirit of |
10 | // OCaml's 'opt' variant. The idea is to strongly type whether or not |
11 | // a value can be optional. |
12 | // |
13 | //===----------------------------------------------------------------------===// |
14 | |
15 | #ifndef LLVM_ADT_OPTIONAL_H |
16 | #define LLVM_ADT_OPTIONAL_H |
17 | |
18 | #include "llvm/ADT/None.h" |
19 | #include "llvm/Support/Compiler.h" |
20 | #include "llvm/Support/type_traits.h" |
21 | #include <cassert> |
22 | #include <memory> |
23 | #include <new> |
24 | #include <utility> |
25 | |
26 | namespace llvm { |
27 | |
28 | class raw_ostream; |
29 | |
30 | namespace optional_detail { |
31 | |
32 | struct in_place_t {}; |
33 | |
34 | /// Storage for any type. |
35 | template <typename T, bool = is_trivially_copyable<T>::value> |
36 | class OptionalStorage { |
37 | union { |
38 | char empty; |
39 | T value; |
40 | }; |
41 | bool hasVal; |
42 | |
43 | public: |
44 | ~OptionalStorage() { reset(); } |
45 | |
46 | OptionalStorage() noexcept : empty(), hasVal(false) {} |
47 | |
48 | OptionalStorage(OptionalStorage const &other) : OptionalStorage() { |
49 | if (other.hasValue()) { |
50 | emplace(other.value); |
51 | } |
52 | } |
53 | OptionalStorage(OptionalStorage &&other) : OptionalStorage() { |
54 | if (other.hasValue()) { |
55 | emplace(std::move(other.value)); |
56 | } |
57 | } |
58 | |
59 | template <class... Args> |
60 | explicit OptionalStorage(in_place_t, Args &&... args) |
61 | : value(std::forward<Args>(args)...), hasVal(true) {} |
62 | |
63 | void reset() noexcept { |
64 | if (hasVal) { |
65 | value.~T(); |
66 | hasVal = false; |
67 | } |
68 | } |
69 | |
70 | bool hasValue() const noexcept { return hasVal; } |
71 | |
72 | T &getValue() LLVM_LVALUE_FUNCTION& noexcept { |
73 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 73, __PRETTY_FUNCTION__)); |
74 | return value; |
75 | } |
76 | T const &getValue() const LLVM_LVALUE_FUNCTION& noexcept { |
77 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 77, __PRETTY_FUNCTION__)); |
78 | return value; |
79 | } |
80 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
81 | T &&getValue() && noexcept { |
82 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 82, __PRETTY_FUNCTION__)); |
83 | return std::move(value); |
84 | } |
85 | #endif |
86 | |
87 | template <class... Args> void emplace(Args &&... args) { |
88 | reset(); |
89 | ::new ((void *)std::addressof(value)) T(std::forward<Args>(args)...); |
90 | hasVal = true; |
91 | } |
92 | |
93 | OptionalStorage &operator=(T const &y) { |
94 | if (hasValue()) { |
95 | value = y; |
96 | } else { |
97 | ::new ((void *)std::addressof(value)) T(y); |
98 | hasVal = true; |
99 | } |
100 | return *this; |
101 | } |
102 | OptionalStorage &operator=(T &&y) { |
103 | if (hasValue()) { |
104 | value = std::move(y); |
105 | } else { |
106 | ::new ((void *)std::addressof(value)) T(std::move(y)); |
107 | hasVal = true; |
108 | } |
109 | return *this; |
110 | } |
111 | |
112 | OptionalStorage &operator=(OptionalStorage const &other) { |
113 | if (other.hasValue()) { |
114 | if (hasValue()) { |
115 | value = other.value; |
116 | } else { |
117 | ::new ((void *)std::addressof(value)) T(other.value); |
118 | hasVal = true; |
119 | } |
120 | } else { |
121 | reset(); |
122 | } |
123 | return *this; |
124 | } |
125 | |
126 | OptionalStorage &operator=(OptionalStorage &&other) { |
127 | if (other.hasValue()) { |
128 | if (hasValue()) { |
129 | value = std::move(other.value); |
130 | } else { |
131 | ::new ((void *)std::addressof(value)) T(std::move(other.value)); |
132 | hasVal = true; |
133 | } |
134 | } else { |
135 | reset(); |
136 | } |
137 | return *this; |
138 | } |
139 | }; |
140 | |
141 | template <typename T> class OptionalStorage<T, true> { |
142 | union { |
143 | char empty; |
144 | T value; |
145 | }; |
146 | bool hasVal = false; |
147 | |
148 | public: |
149 | ~OptionalStorage() = default; |
150 | |
151 | OptionalStorage() noexcept : empty{} {} |
152 | |
153 | OptionalStorage(OptionalStorage const &other) = default; |
154 | OptionalStorage(OptionalStorage &&other) = default; |
155 | |
156 | OptionalStorage &operator=(OptionalStorage const &other) = default; |
157 | OptionalStorage &operator=(OptionalStorage &&other) = default; |
158 | |
159 | template <class... Args> |
160 | explicit OptionalStorage(in_place_t, Args &&... args) |
161 | : value(std::forward<Args>(args)...), hasVal(true) {} |
162 | |
163 | void reset() noexcept { |
164 | if (hasVal) { |
165 | value.~T(); |
166 | hasVal = false; |
167 | } |
168 | } |
169 | |
170 | bool hasValue() const noexcept { return hasVal; } |
171 | |
172 | T &getValue() LLVM_LVALUE_FUNCTION& noexcept { |
173 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 173, __PRETTY_FUNCTION__)); |
174 | return value; |
175 | } |
176 | T const &getValue() const LLVM_LVALUE_FUNCTION& noexcept { |
177 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 177, __PRETTY_FUNCTION__)); |
178 | return value; |
179 | } |
180 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
181 | T &&getValue() && noexcept { |
182 | assert(hasVal)((hasVal) ? static_cast<void> (0) : __assert_fail ("hasVal" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/ADT/Optional.h" , 182, __PRETTY_FUNCTION__)); |
183 | return std::move(value); |
184 | } |
185 | #endif |
186 | |
187 | template <class... Args> void emplace(Args &&... args) { |
188 | reset(); |
189 | ::new ((void *)std::addressof(value)) T(std::forward<Args>(args)...); |
190 | hasVal = true; |
191 | } |
192 | |
193 | OptionalStorage &operator=(T const &y) { |
194 | if (hasValue()) { |
195 | value = y; |
196 | } else { |
197 | ::new ((void *)std::addressof(value)) T(y); |
198 | hasVal = true; |
199 | } |
200 | return *this; |
201 | } |
202 | OptionalStorage &operator=(T &&y) { |
203 | if (hasValue()) { |
204 | value = std::move(y); |
205 | } else { |
206 | ::new ((void *)std::addressof(value)) T(std::move(y)); |
207 | hasVal = true; |
208 | } |
209 | return *this; |
210 | } |
211 | }; |
212 | |
213 | } // namespace optional_detail |
214 | |
215 | template <typename T> class Optional { |
216 | optional_detail::OptionalStorage<T> Storage; |
217 | |
218 | public: |
219 | using value_type = T; |
220 | |
221 | constexpr Optional() {} |
222 | constexpr Optional(NoneType) {} |
223 | |
224 | Optional(const T &y) : Storage(optional_detail::in_place_t{}, y) {} |
225 | Optional(const Optional &O) = default; |
226 | |
227 | Optional(T &&y) : Storage(optional_detail::in_place_t{}, std::move(y)) {} |
228 | Optional(Optional &&O) = default; |
229 | |
230 | Optional &operator=(T &&y) { |
231 | Storage = std::move(y); |
232 | return *this; |
233 | } |
234 | Optional &operator=(Optional &&O) = default; |
235 | |
236 | /// Create a new object by constructing it in place with the given arguments. |
237 | template <typename... ArgTypes> void emplace(ArgTypes &&... Args) { |
238 | Storage.emplace(std::forward<ArgTypes>(Args)...); |
239 | } |
240 | |
241 | static inline Optional create(const T *y) { |
242 | return y ? Optional(*y) : Optional(); |
243 | } |
244 | |
245 | Optional &operator=(const T &y) { |
246 | Storage = y; |
247 | return *this; |
248 | } |
249 | Optional &operator=(const Optional &O) = default; |
250 | |
251 | void reset() { Storage.reset(); } |
252 | |
253 | const T *getPointer() const { return &Storage.getValue(); } |
254 | T *getPointer() { return &Storage.getValue(); } |
255 | const T &getValue() const LLVM_LVALUE_FUNCTION& { return Storage.getValue(); } |
256 | T &getValue() LLVM_LVALUE_FUNCTION& { return Storage.getValue(); } |
257 | |
258 | explicit operator bool() const { return hasValue(); } |
259 | bool hasValue() const { return Storage.hasValue(); } |
260 | const T *operator->() const { return getPointer(); } |
261 | T *operator->() { return getPointer(); } |
262 | const T &operator*() const LLVM_LVALUE_FUNCTION& { return getValue(); } |
263 | T &operator*() LLVM_LVALUE_FUNCTION& { return getValue(); } |
264 | |
265 | template <typename U> |
266 | constexpr T getValueOr(U &&value) const LLVM_LVALUE_FUNCTION& { |
267 | return hasValue() ? getValue() : std::forward<U>(value); |
268 | } |
269 | |
270 | /// Apply a function to the value if present; otherwise return None. |
271 | template <class Function> |
272 | auto map(const Function &F) const LLVM_LVALUE_FUNCTION& |
273 | -> Optional<decltype(F(getValue()))> { |
274 | if (*this) return F(getValue()); |
275 | return None; |
276 | } |
277 | |
278 | #if LLVM_HAS_RVALUE_REFERENCE_THIS1 |
279 | T &&getValue() && { return std::move(Storage.getValue()); } |
280 | T &&operator*() && { return std::move(Storage.getValue()); } |
281 | |
282 | template <typename U> |
283 | T getValueOr(U &&value) && { |
284 | return hasValue() ? std::move(getValue()) : std::forward<U>(value); |
285 | } |
286 | |
287 | /// Apply a function to the value if present; otherwise return None. |
288 | template <class Function> |
289 | auto map(const Function &F) && |
290 | -> Optional<decltype(F(std::move(*this).getValue()))> { |
291 | if (*this) return F(std::move(*this).getValue()); |
292 | return None; |
293 | } |
294 | #endif |
295 | }; |
296 | |
297 | template <typename T, typename U> |
298 | bool operator==(const Optional<T> &X, const Optional<U> &Y) { |
299 | if (X && Y) |
300 | return *X == *Y; |
301 | return X.hasValue() == Y.hasValue(); |
302 | } |
303 | |
304 | template <typename T, typename U> |
305 | bool operator!=(const Optional<T> &X, const Optional<U> &Y) { |
306 | return !(X == Y); |
307 | } |
308 | |
309 | template <typename T, typename U> |
310 | bool operator<(const Optional<T> &X, const Optional<U> &Y) { |
311 | if (X && Y) |
312 | return *X < *Y; |
313 | return X.hasValue() < Y.hasValue(); |
314 | } |
315 | |
316 | template <typename T, typename U> |
317 | bool operator<=(const Optional<T> &X, const Optional<U> &Y) { |
318 | return !(Y < X); |
319 | } |
320 | |
321 | template <typename T, typename U> |
322 | bool operator>(const Optional<T> &X, const Optional<U> &Y) { |
323 | return Y < X; |
324 | } |
325 | |
326 | template <typename T, typename U> |
327 | bool operator>=(const Optional<T> &X, const Optional<U> &Y) { |
328 | return !(X < Y); |
329 | } |
330 | |
331 | template<typename T> |
332 | bool operator==(const Optional<T> &X, NoneType) { |
333 | return !X; |
334 | } |
335 | |
336 | template<typename T> |
337 | bool operator==(NoneType, const Optional<T> &X) { |
338 | return X == None; |
339 | } |
340 | |
341 | template<typename T> |
342 | bool operator!=(const Optional<T> &X, NoneType) { |
343 | return !(X == None); |
344 | } |
345 | |
346 | template<typename T> |
347 | bool operator!=(NoneType, const Optional<T> &X) { |
348 | return X != None; |
349 | } |
350 | |
351 | template <typename T> bool operator<(const Optional<T> &X, NoneType) { |
352 | return false; |
353 | } |
354 | |
355 | template <typename T> bool operator<(NoneType, const Optional<T> &X) { |
356 | return X.hasValue(); |
357 | } |
358 | |
359 | template <typename T> bool operator<=(const Optional<T> &X, NoneType) { |
360 | return !(None < X); |
361 | } |
362 | |
363 | template <typename T> bool operator<=(NoneType, const Optional<T> &X) { |
364 | return !(X < None); |
365 | } |
366 | |
367 | template <typename T> bool operator>(const Optional<T> &X, NoneType) { |
368 | return None < X; |
369 | } |
370 | |
371 | template <typename T> bool operator>(NoneType, const Optional<T> &X) { |
372 | return X < None; |
373 | } |
374 | |
375 | template <typename T> bool operator>=(const Optional<T> &X, NoneType) { |
376 | return None <= X; |
377 | } |
378 | |
379 | template <typename T> bool operator>=(NoneType, const Optional<T> &X) { |
380 | return X <= None; |
381 | } |
382 | |
383 | template <typename T> bool operator==(const Optional<T> &X, const T &Y) { |
384 | return X && *X == Y; |
385 | } |
386 | |
387 | template <typename T> bool operator==(const T &X, const Optional<T> &Y) { |
388 | return Y && X == *Y; |
389 | } |
390 | |
391 | template <typename T> bool operator!=(const Optional<T> &X, const T &Y) { |
392 | return !(X == Y); |
393 | } |
394 | |
395 | template <typename T> bool operator!=(const T &X, const Optional<T> &Y) { |
396 | return !(X == Y); |
397 | } |
398 | |
399 | template <typename T> bool operator<(const Optional<T> &X, const T &Y) { |
400 | return !X || *X < Y; |
401 | } |
402 | |
403 | template <typename T> bool operator<(const T &X, const Optional<T> &Y) { |
404 | return Y && X < *Y; |
405 | } |
406 | |
407 | template <typename T> bool operator<=(const Optional<T> &X, const T &Y) { |
408 | return !(Y < X); |
409 | } |
410 | |
411 | template <typename T> bool operator<=(const T &X, const Optional<T> &Y) { |
412 | return !(Y < X); |
413 | } |
414 | |
415 | template <typename T> bool operator>(const Optional<T> &X, const T &Y) { |
416 | return Y < X; |
417 | } |
418 | |
419 | template <typename T> bool operator>(const T &X, const Optional<T> &Y) { |
420 | return Y < X; |
421 | } |
422 | |
423 | template <typename T> bool operator>=(const Optional<T> &X, const T &Y) { |
424 | return !(X < Y); |
425 | } |
426 | |
427 | template <typename T> bool operator>=(const T &X, const Optional<T> &Y) { |
428 | return !(X < Y); |
429 | } |
430 | |
431 | raw_ostream &operator<<(raw_ostream &OS, NoneType); |
432 | |
433 | template <typename T, typename = decltype(std::declval<raw_ostream &>() |
434 | << std::declval<const T &>())> |
435 | raw_ostream &operator<<(raw_ostream &OS, const Optional<T> &O) { |
436 | if (O) |
437 | OS << *O; |
438 | else |
439 | OS << None; |
440 | return OS; |
441 | } |
442 | |
443 | } // end namespace llvm |
444 | |
445 | #endif // LLVM_ADT_OPTIONAL_H |