LLVM  6.0.0svn
IRBuilder.h
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1 //===---- llvm/IRBuilder.h - Builder for LLVM Instructions ------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines the IRBuilder class, which is used as a convenient way
11 // to create LLVM instructions with a consistent and simplified interface.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_IR_IRBUILDER_H
16 #define LLVM_IR_IRBUILDER_H
17 
18 #include "llvm-c/Types.h"
19 #include "llvm/ADT/ArrayRef.h"
20 #include "llvm/ADT/None.h"
21 #include "llvm/ADT/StringRef.h"
22 #include "llvm/ADT/Twine.h"
23 #include "llvm/IR/BasicBlock.h"
24 #include "llvm/IR/Constant.h"
25 #include "llvm/IR/ConstantFolder.h"
26 #include "llvm/IR/Constants.h"
27 #include "llvm/IR/DataLayout.h"
28 #include "llvm/IR/DebugLoc.h"
29 #include "llvm/IR/DerivedTypes.h"
30 #include "llvm/IR/Function.h"
31 #include "llvm/IR/GlobalVariable.h"
32 #include "llvm/IR/InstrTypes.h"
33 #include "llvm/IR/Instruction.h"
34 #include "llvm/IR/Instructions.h"
35 #include "llvm/IR/Intrinsics.h"
36 #include "llvm/IR/LLVMContext.h"
37 #include "llvm/IR/Module.h"
38 #include "llvm/IR/Operator.h"
39 #include "llvm/IR/Type.h"
40 #include "llvm/IR/Value.h"
41 #include "llvm/IR/ValueHandle.h"
44 #include "llvm/Support/Casting.h"
45 #include <algorithm>
46 #include <cassert>
47 #include <cstddef>
48 #include <cstdint>
49 #include <functional>
50 
51 namespace llvm {
52 
53 class APInt;
54 class MDNode;
55 class Module;
56 class Use;
57 
58 /// \brief This provides the default implementation of the IRBuilder
59 /// 'InsertHelper' method that is called whenever an instruction is created by
60 /// IRBuilder and needs to be inserted.
61 ///
62 /// By default, this inserts the instruction at the insertion point.
64 protected:
66  BasicBlock *BB, BasicBlock::iterator InsertPt) const {
67  if (BB) BB->getInstList().insert(InsertPt, I);
68  I->setName(Name);
69  }
70 };
71 
72 /// Provides an 'InsertHelper' that calls a user-provided callback after
73 /// performing the default insertion.
75  std::function<void(Instruction *)> Callback;
76 
77 public:
79  : Callback(std::move(Callback)) {}
80 
81 protected:
83  BasicBlock *BB, BasicBlock::iterator InsertPt) const {
84  IRBuilderDefaultInserter::InsertHelper(I, Name, BB, InsertPt);
85  Callback(I);
86  }
87 };
88 
89 /// \brief Common base class shared among various IRBuilders.
91  DebugLoc CurDbgLocation;
92 
93 protected:
97 
100 
102 
103 public:
104  IRBuilderBase(LLVMContext &context, MDNode *FPMathTag = nullptr,
105  ArrayRef<OperandBundleDef> OpBundles = None)
106  : Context(context), DefaultFPMathTag(FPMathTag),
107  DefaultOperandBundles(OpBundles) {
108  ClearInsertionPoint();
109  }
110 
111  //===--------------------------------------------------------------------===//
112  // Builder configuration methods
113  //===--------------------------------------------------------------------===//
114 
115  /// \brief Clear the insertion point: created instructions will not be
116  /// inserted into a block.
118  BB = nullptr;
119  InsertPt = BasicBlock::iterator();
120  }
121 
122  BasicBlock *GetInsertBlock() const { return BB; }
123  BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
124  LLVMContext &getContext() const { return Context; }
125 
126  /// \brief This specifies that created instructions should be appended to the
127  /// end of the specified block.
128  void SetInsertPoint(BasicBlock *TheBB) {
129  BB = TheBB;
130  InsertPt = BB->end();
131  }
132 
133  /// \brief This specifies that created instructions should be inserted before
134  /// the specified instruction.
136  BB = I->getParent();
137  InsertPt = I->getIterator();
138  assert(InsertPt != BB->end() && "Can't read debug loc from end()");
139  SetCurrentDebugLocation(I->getDebugLoc());
140  }
141 
142  /// \brief This specifies that created instructions should be inserted at the
143  /// specified point.
145  BB = TheBB;
146  InsertPt = IP;
147  if (IP != TheBB->end())
148  SetCurrentDebugLocation(IP->getDebugLoc());
149  }
150 
151  /// \brief Set location information used by debugging information.
152  void SetCurrentDebugLocation(DebugLoc L) { CurDbgLocation = std::move(L); }
153 
154  /// \brief Get location information used by debugging information.
155  const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
156 
157  /// \brief If this builder has a current debug location, set it on the
158  /// specified instruction.
160  if (CurDbgLocation)
161  I->setDebugLoc(CurDbgLocation);
162  }
163 
164  /// \brief Get the return type of the current function that we're emitting
165  /// into.
166  Type *getCurrentFunctionReturnType() const;
167 
168  /// InsertPoint - A saved insertion point.
169  class InsertPoint {
170  BasicBlock *Block = nullptr;
171  BasicBlock::iterator Point;
172 
173  public:
174  /// \brief Creates a new insertion point which doesn't point to anything.
175  InsertPoint() = default;
176 
177  /// \brief Creates a new insertion point at the given location.
179  : Block(InsertBlock), Point(InsertPoint) {}
180 
181  /// \brief Returns true if this insert point is set.
182  bool isSet() const { return (Block != nullptr); }
183 
184  BasicBlock *getBlock() const { return Block; }
185  BasicBlock::iterator getPoint() const { return Point; }
186  };
187 
188  /// \brief Returns the current insert point.
189  InsertPoint saveIP() const {
190  return InsertPoint(GetInsertBlock(), GetInsertPoint());
191  }
192 
193  /// \brief Returns the current insert point, clearing it in the process.
195  InsertPoint IP(GetInsertBlock(), GetInsertPoint());
196  ClearInsertionPoint();
197  return IP;
198  }
199 
200  /// \brief Sets the current insert point to a previously-saved location.
202  if (IP.isSet())
203  SetInsertPoint(IP.getBlock(), IP.getPoint());
204  else
205  ClearInsertionPoint();
206  }
207 
208  /// \brief Get the floating point math metadata being used.
209  MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
210 
211  /// \brief Get the flags to be applied to created floating point ops
212  FastMathFlags getFastMathFlags() const { return FMF; }
213 
214  /// \brief Clear the fast-math flags.
215  void clearFastMathFlags() { FMF.clear(); }
216 
217  /// \brief Set the floating point math metadata to be used.
218  void setDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
219 
220  /// \brief Set the fast-math flags to be used with generated fp-math operators
221  void setFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
222 
223  //===--------------------------------------------------------------------===//
224  // RAII helpers.
225  //===--------------------------------------------------------------------===//
226 
227  // \brief RAII object that stores the current insertion point and restores it
228  // when the object is destroyed. This includes the debug location.
230  IRBuilderBase &Builder;
232  BasicBlock::iterator Point;
233  DebugLoc DbgLoc;
234 
235  public:
237  : Builder(B), Block(B.GetInsertBlock()), Point(B.GetInsertPoint()),
238  DbgLoc(B.getCurrentDebugLocation()) {}
239 
240  InsertPointGuard(const InsertPointGuard &) = delete;
241  InsertPointGuard &operator=(const InsertPointGuard &) = delete;
242 
244  Builder.restoreIP(InsertPoint(Block, Point));
245  Builder.SetCurrentDebugLocation(DbgLoc);
246  }
247  };
248 
249  // \brief RAII object that stores the current fast math settings and restores
250  // them when the object is destroyed.
252  IRBuilderBase &Builder;
253  FastMathFlags FMF;
254  MDNode *FPMathTag;
255 
256  public:
258  : Builder(B), FMF(B.FMF), FPMathTag(B.DefaultFPMathTag) {}
259 
260  FastMathFlagGuard(const FastMathFlagGuard &) = delete;
261  FastMathFlagGuard &operator=(const FastMathFlagGuard &) = delete;
262 
264  Builder.FMF = FMF;
265  Builder.DefaultFPMathTag = FPMathTag;
266  }
267  };
268 
269  //===--------------------------------------------------------------------===//
270  // Miscellaneous creation methods.
271  //===--------------------------------------------------------------------===//
272 
273  /// \brief Make a new global variable with initializer type i8*
274  ///
275  /// Make a new global variable with an initializer that has array of i8 type
276  /// filled in with the null terminated string value specified. The new global
277  /// variable will be marked mergable with any others of the same contents. If
278  /// Name is specified, it is the name of the global variable created.
279  GlobalVariable *CreateGlobalString(StringRef Str, const Twine &Name = "",
280  unsigned AddressSpace = 0);
281 
282  /// \brief Get a constant value representing either true or false.
283  ConstantInt *getInt1(bool V) {
284  return ConstantInt::get(getInt1Ty(), V);
285  }
286 
287  /// \brief Get the constant value for i1 true.
289  return ConstantInt::getTrue(Context);
290  }
291 
292  /// \brief Get the constant value for i1 false.
294  return ConstantInt::getFalse(Context);
295  }
296 
297  /// \brief Get a constant 8-bit value.
298  ConstantInt *getInt8(uint8_t C) {
299  return ConstantInt::get(getInt8Ty(), C);
300  }
301 
302  /// \brief Get a constant 16-bit value.
303  ConstantInt *getInt16(uint16_t C) {
304  return ConstantInt::get(getInt16Ty(), C);
305  }
306 
307  /// \brief Get a constant 32-bit value.
309  return ConstantInt::get(getInt32Ty(), C);
310  }
311 
312  /// \brief Get a constant 64-bit value.
313  ConstantInt *getInt64(uint64_t C) {
314  return ConstantInt::get(getInt64Ty(), C);
315  }
316 
317  /// \brief Get a constant N-bit value, zero extended or truncated from
318  /// a 64-bit value.
319  ConstantInt *getIntN(unsigned N, uint64_t C) {
320  return ConstantInt::get(getIntNTy(N), C);
321  }
322 
323  /// \brief Get a constant integer value.
324  ConstantInt *getInt(const APInt &AI) {
325  return ConstantInt::get(Context, AI);
326  }
327 
328  //===--------------------------------------------------------------------===//
329  // Type creation methods
330  //===--------------------------------------------------------------------===//
331 
332  /// \brief Fetch the type representing a single bit
334  return Type::getInt1Ty(Context);
335  }
336 
337  /// \brief Fetch the type representing an 8-bit integer.
339  return Type::getInt8Ty(Context);
340  }
341 
342  /// \brief Fetch the type representing a 16-bit integer.
344  return Type::getInt16Ty(Context);
345  }
346 
347  /// \brief Fetch the type representing a 32-bit integer.
349  return Type::getInt32Ty(Context);
350  }
351 
352  /// \brief Fetch the type representing a 64-bit integer.
354  return Type::getInt64Ty(Context);
355  }
356 
357  /// \brief Fetch the type representing a 128-bit integer.
358  IntegerType *getInt128Ty() { return Type::getInt128Ty(Context); }
359 
360  /// \brief Fetch the type representing an N-bit integer.
361  IntegerType *getIntNTy(unsigned N) {
362  return Type::getIntNTy(Context, N);
363  }
364 
365  /// \brief Fetch the type representing a 16-bit floating point value.
367  return Type::getHalfTy(Context);
368  }
369 
370  /// \brief Fetch the type representing a 32-bit floating point value.
372  return Type::getFloatTy(Context);
373  }
374 
375  /// \brief Fetch the type representing a 64-bit floating point value.
377  return Type::getDoubleTy(Context);
378  }
379 
380  /// \brief Fetch the type representing void.
382  return Type::getVoidTy(Context);
383  }
384 
385  /// \brief Fetch the type representing a pointer to an 8-bit integer value.
386  PointerType *getInt8PtrTy(unsigned AddrSpace = 0) {
387  return Type::getInt8PtrTy(Context, AddrSpace);
388  }
389 
390  /// \brief Fetch the type representing a pointer to an integer value.
391  IntegerType *getIntPtrTy(const DataLayout &DL, unsigned AddrSpace = 0) {
392  return DL.getIntPtrType(Context, AddrSpace);
393  }
394 
395  //===--------------------------------------------------------------------===//
396  // Intrinsic creation methods
397  //===--------------------------------------------------------------------===//
398 
399  /// \brief Create and insert a memset to the specified pointer and the
400  /// specified value.
401  ///
402  /// If the pointer isn't an i8*, it will be converted. If a TBAA tag is
403  /// specified, it will be added to the instruction. Likewise with alias.scope
404  /// and noalias tags.
405  CallInst *CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align,
406  bool isVolatile = false, MDNode *TBAATag = nullptr,
407  MDNode *ScopeTag = nullptr,
408  MDNode *NoAliasTag = nullptr) {
409  return CreateMemSet(Ptr, Val, getInt64(Size), Align, isVolatile,
410  TBAATag, ScopeTag, NoAliasTag);
411  }
412 
413  CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
414  bool isVolatile = false, MDNode *TBAATag = nullptr,
415  MDNode *ScopeTag = nullptr,
416  MDNode *NoAliasTag = nullptr);
417 
418  /// \brief Create and insert a memcpy between the specified pointers.
419  ///
420  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
421  /// specified, it will be added to the instruction. Likewise with alias.scope
422  /// and noalias tags.
423  CallInst *CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
424  bool isVolatile = false, MDNode *TBAATag = nullptr,
425  MDNode *TBAAStructTag = nullptr,
426  MDNode *ScopeTag = nullptr,
427  MDNode *NoAliasTag = nullptr) {
428  return CreateMemCpy(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag,
429  TBAAStructTag, ScopeTag, NoAliasTag);
430  }
431 
432  CallInst *CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
433  bool isVolatile = false, MDNode *TBAATag = nullptr,
434  MDNode *TBAAStructTag = nullptr,
435  MDNode *ScopeTag = nullptr,
436  MDNode *NoAliasTag = nullptr);
437 
438  /// \brief Create and insert an element unordered-atomic memcpy between the
439  /// specified pointers.
440  ///
441  /// DstAlign/SrcAlign are the alignments of the Dst/Src pointers, respectively.
442  ///
443  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
444  /// specified, it will be added to the instruction. Likewise with alias.scope
445  /// and noalias tags.
447  Value *Dst, unsigned DstAlign, Value *Src, unsigned SrcAlign,
448  uint64_t Size, uint32_t ElementSize, MDNode *TBAATag = nullptr,
449  MDNode *TBAAStructTag = nullptr, MDNode *ScopeTag = nullptr,
450  MDNode *NoAliasTag = nullptr) {
451  return CreateElementUnorderedAtomicMemCpy(
452  Dst, DstAlign, Src, SrcAlign, getInt64(Size), ElementSize, TBAATag,
453  TBAAStructTag, ScopeTag, NoAliasTag);
454  }
455 
456  CallInst *CreateElementUnorderedAtomicMemCpy(
457  Value *Dst, unsigned DstAlign, Value *Src, unsigned SrcAlign, Value *Size,
458  uint32_t ElementSize, MDNode *TBAATag = nullptr,
459  MDNode *TBAAStructTag = nullptr, MDNode *ScopeTag = nullptr,
460  MDNode *NoAliasTag = nullptr);
461 
462  /// \brief Create and insert a memmove between the specified
463  /// pointers.
464  ///
465  /// If the pointers aren't i8*, they will be converted. If a TBAA tag is
466  /// specified, it will be added to the instruction. Likewise with alias.scope
467  /// and noalias tags.
468  CallInst *CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
469  bool isVolatile = false, MDNode *TBAATag = nullptr,
470  MDNode *ScopeTag = nullptr,
471  MDNode *NoAliasTag = nullptr) {
472  return CreateMemMove(Dst, Src, getInt64(Size), Align, isVolatile,
473  TBAATag, ScopeTag, NoAliasTag);
474  }
475 
476  CallInst *CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
477  bool isVolatile = false, MDNode *TBAATag = nullptr,
478  MDNode *ScopeTag = nullptr,
479  MDNode *NoAliasTag = nullptr);
480 
481  /// \brief Create a vector fadd reduction intrinsic of the source vector.
482  /// The first parameter is a scalar accumulator value for ordered reductions.
483  CallInst *CreateFAddReduce(Value *Acc, Value *Src);
484 
485  /// \brief Create a vector fmul reduction intrinsic of the source vector.
486  /// The first parameter is a scalar accumulator value for ordered reductions.
487  CallInst *CreateFMulReduce(Value *Acc, Value *Src);
488 
489  /// \brief Create a vector int add reduction intrinsic of the source vector.
490  CallInst *CreateAddReduce(Value *Src);
491 
492  /// \brief Create a vector int mul reduction intrinsic of the source vector.
493  CallInst *CreateMulReduce(Value *Src);
494 
495  /// \brief Create a vector int AND reduction intrinsic of the source vector.
496  CallInst *CreateAndReduce(Value *Src);
497 
498  /// \brief Create a vector int OR reduction intrinsic of the source vector.
499  CallInst *CreateOrReduce(Value *Src);
500 
501  /// \brief Create a vector int XOR reduction intrinsic of the source vector.
502  CallInst *CreateXorReduce(Value *Src);
503 
504  /// \brief Create a vector integer max reduction intrinsic of the source
505  /// vector.
506  CallInst *CreateIntMaxReduce(Value *Src, bool IsSigned = false);
507 
508  /// \brief Create a vector integer min reduction intrinsic of the source
509  /// vector.
510  CallInst *CreateIntMinReduce(Value *Src, bool IsSigned = false);
511 
512  /// \brief Create a vector float max reduction intrinsic of the source
513  /// vector.
514  CallInst *CreateFPMaxReduce(Value *Src, bool NoNaN = false);
515 
516  /// \brief Create a vector float min reduction intrinsic of the source
517  /// vector.
518  CallInst *CreateFPMinReduce(Value *Src, bool NoNaN = false);
519 
520  /// \brief Create a lifetime.start intrinsic.
521  ///
522  /// If the pointer isn't i8* it will be converted.
523  CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = nullptr);
524 
525  /// \brief Create a lifetime.end intrinsic.
526  ///
527  /// If the pointer isn't i8* it will be converted.
528  CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = nullptr);
529 
530  /// Create a call to invariant.start intrinsic.
531  ///
532  /// If the pointer isn't i8* it will be converted.
533  CallInst *CreateInvariantStart(Value *Ptr, ConstantInt *Size = nullptr);
534 
535  /// \brief Create a call to Masked Load intrinsic
536  CallInst *CreateMaskedLoad(Value *Ptr, unsigned Align, Value *Mask,
537  Value *PassThru = nullptr, const Twine &Name = "");
538 
539  /// \brief Create a call to Masked Store intrinsic
540  CallInst *CreateMaskedStore(Value *Val, Value *Ptr, unsigned Align,
541  Value *Mask);
542 
543  /// \brief Create a call to Masked Gather intrinsic
544  CallInst *CreateMaskedGather(Value *Ptrs, unsigned Align,
545  Value *Mask = nullptr,
546  Value *PassThru = nullptr,
547  const Twine& Name = "");
548 
549  /// \brief Create a call to Masked Scatter intrinsic
550  CallInst *CreateMaskedScatter(Value *Val, Value *Ptrs, unsigned Align,
551  Value *Mask = nullptr);
552 
553  /// \brief Create an assume intrinsic call that allows the optimizer to
554  /// assume that the provided condition will be true.
555  CallInst *CreateAssumption(Value *Cond);
556 
557  /// \brief Create a call to the experimental.gc.statepoint intrinsic to
558  /// start a new statepoint sequence.
559  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
560  Value *ActualCallee,
561  ArrayRef<Value *> CallArgs,
562  ArrayRef<Value *> DeoptArgs,
563  ArrayRef<Value *> GCArgs,
564  const Twine &Name = "");
565 
566  /// \brief Create a call to the experimental.gc.statepoint intrinsic to
567  /// start a new statepoint sequence.
568  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
569  Value *ActualCallee, uint32_t Flags,
570  ArrayRef<Use> CallArgs,
571  ArrayRef<Use> TransitionArgs,
572  ArrayRef<Use> DeoptArgs,
573  ArrayRef<Value *> GCArgs,
574  const Twine &Name = "");
575 
576  // \brief Conveninence function for the common case when CallArgs are filled
577  // in using makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be
578  // .get()'ed to get the Value pointer.
579  CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
580  Value *ActualCallee, ArrayRef<Use> CallArgs,
581  ArrayRef<Value *> DeoptArgs,
582  ArrayRef<Value *> GCArgs,
583  const Twine &Name = "");
584 
585  /// brief Create an invoke to the experimental.gc.statepoint intrinsic to
586  /// start a new statepoint sequence.
587  InvokeInst *
588  CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
589  Value *ActualInvokee, BasicBlock *NormalDest,
590  BasicBlock *UnwindDest, ArrayRef<Value *> InvokeArgs,
591  ArrayRef<Value *> DeoptArgs,
592  ArrayRef<Value *> GCArgs, const Twine &Name = "");
593 
594  /// brief Create an invoke to the experimental.gc.statepoint intrinsic to
595  /// start a new statepoint sequence.
596  InvokeInst *CreateGCStatepointInvoke(
597  uint64_t ID, uint32_t NumPatchBytes, Value *ActualInvokee,
598  BasicBlock *NormalDest, BasicBlock *UnwindDest, uint32_t Flags,
599  ArrayRef<Use> InvokeArgs, ArrayRef<Use> TransitionArgs,
600  ArrayRef<Use> DeoptArgs, ArrayRef<Value *> GCArgs,
601  const Twine &Name = "");
602 
603  // Conveninence function for the common case when CallArgs are filled in using
604  // makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be .get()'ed to
605  // get the Value *.
606  InvokeInst *
607  CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
608  Value *ActualInvokee, BasicBlock *NormalDest,
609  BasicBlock *UnwindDest, ArrayRef<Use> InvokeArgs,
610  ArrayRef<Value *> DeoptArgs,
611  ArrayRef<Value *> GCArgs, const Twine &Name = "");
612 
613  /// \brief Create a call to the experimental.gc.result intrinsic to extract
614  /// the result from a call wrapped in a statepoint.
615  CallInst *CreateGCResult(Instruction *Statepoint,
616  Type *ResultType,
617  const Twine &Name = "");
618 
619  /// \brief Create a call to the experimental.gc.relocate intrinsics to
620  /// project the relocated value of one pointer from the statepoint.
621  CallInst *CreateGCRelocate(Instruction *Statepoint,
622  int BaseOffset,
623  int DerivedOffset,
624  Type *ResultType,
625  const Twine &Name = "");
626 
627  /// Create a call to intrinsic \p ID with 2 operands which is mangled on the
628  /// first type.
629  CallInst *CreateBinaryIntrinsic(Intrinsic::ID ID,
630  Value *LHS, Value *RHS,
631  const Twine &Name = "");
632 
633  /// Create call to the minnum intrinsic.
634  CallInst *CreateMinNum(Value *LHS, Value *RHS, const Twine &Name = "") {
635  return CreateBinaryIntrinsic(Intrinsic::minnum, LHS, RHS, Name);
636  }
637 
638  /// Create call to the maxnum intrinsic.
639  CallInst *CreateMaxNum(Value *LHS, Value *RHS, const Twine &Name = "") {
640  return CreateBinaryIntrinsic(Intrinsic::minnum, LHS, RHS, Name);
641  }
642 
643 private:
644  /// \brief Create a call to a masked intrinsic with given Id.
645  CallInst *CreateMaskedIntrinsic(Intrinsic::ID Id, ArrayRef<Value *> Ops,
646  ArrayRef<Type *> OverloadedTypes,
647  const Twine &Name = "");
648 
649  Value *getCastedInt8PtrValue(Value *Ptr);
650 };
651 
652 /// \brief This provides a uniform API for creating instructions and inserting
653 /// them into a basic block: either at the end of a BasicBlock, or at a specific
654 /// iterator location in a block.
655 ///
656 /// Note that the builder does not expose the full generality of LLVM
657 /// instructions. For access to extra instruction properties, use the mutators
658 /// (e.g. setVolatile) on the instructions after they have been
659 /// created. Convenience state exists to specify fast-math flags and fp-math
660 /// tags.
661 ///
662 /// The first template argument specifies a class to use for creating constants.
663 /// This defaults to creating minimally folded constants. The second template
664 /// argument allows clients to specify custom insertion hooks that are called on
665 /// every newly created insertion.
666 template <typename T = ConstantFolder,
668 class IRBuilder : public IRBuilderBase, public Inserter {
669  T Folder;
670 
671 public:
672  IRBuilder(LLVMContext &C, const T &F, Inserter I = Inserter(),
673  MDNode *FPMathTag = nullptr,
674  ArrayRef<OperandBundleDef> OpBundles = None)
675  : IRBuilderBase(C, FPMathTag, OpBundles), Inserter(std::move(I)),
676  Folder(F) {}
677 
678  explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = nullptr,
679  ArrayRef<OperandBundleDef> OpBundles = None)
680  : IRBuilderBase(C, FPMathTag, OpBundles), Folder() {}
681 
682  explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = nullptr,
683  ArrayRef<OperandBundleDef> OpBundles = None)
684  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder(F) {
685  SetInsertPoint(TheBB);
686  }
687 
688  explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = nullptr,
689  ArrayRef<OperandBundleDef> OpBundles = None)
690  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder() {
691  SetInsertPoint(TheBB);
692  }
693 
694  explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = nullptr,
695  ArrayRef<OperandBundleDef> OpBundles = None)
696  : IRBuilderBase(IP->getContext(), FPMathTag, OpBundles), Folder() {
697  SetInsertPoint(IP);
698  }
699 
701  MDNode *FPMathTag = nullptr,
702  ArrayRef<OperandBundleDef> OpBundles = None)
703  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder(F) {
704  SetInsertPoint(TheBB, IP);
705  }
706 
708  MDNode *FPMathTag = nullptr,
709  ArrayRef<OperandBundleDef> OpBundles = None)
710  : IRBuilderBase(TheBB->getContext(), FPMathTag, OpBundles), Folder() {
711  SetInsertPoint(TheBB, IP);
712  }
713 
714  /// \brief Get the constant folder being used.
715  const T &getFolder() { return Folder; }
716 
717  /// \brief Insert and return the specified instruction.
718  template<typename InstTy>
719  InstTy *Insert(InstTy *I, const Twine &Name = "") const {
720  this->InsertHelper(I, Name, BB, InsertPt);
721  this->SetInstDebugLocation(I);
722  return I;
723  }
724 
725  /// \brief No-op overload to handle constants.
726  Constant *Insert(Constant *C, const Twine& = "") const {
727  return C;
728  }
729 
730  //===--------------------------------------------------------------------===//
731  // Instruction creation methods: Terminators
732  //===--------------------------------------------------------------------===//
733 
734 private:
735  /// \brief Helper to add branch weight and unpredictable metadata onto an
736  /// instruction.
737  /// \returns The annotated instruction.
738  template <typename InstTy>
739  InstTy *addBranchMetadata(InstTy *I, MDNode *Weights, MDNode *Unpredictable) {
740  if (Weights)
741  I->setMetadata(LLVMContext::MD_prof, Weights);
742  if (Unpredictable)
743  I->setMetadata(LLVMContext::MD_unpredictable, Unpredictable);
744  return I;
745  }
746 
747 public:
748  /// \brief Create a 'ret void' instruction.
750  return Insert(ReturnInst::Create(Context));
751  }
752 
753  /// \brief Create a 'ret <val>' instruction.
755  return Insert(ReturnInst::Create(Context, V));
756  }
757 
758  /// \brief Create a sequence of N insertvalue instructions,
759  /// with one Value from the retVals array each, that build a aggregate
760  /// return value one value at a time, and a ret instruction to return
761  /// the resulting aggregate value.
762  ///
763  /// This is a convenience function for code that uses aggregate return values
764  /// as a vehicle for having multiple return values.
765  ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
766  Value *V = UndefValue::get(getCurrentFunctionReturnType());
767  for (unsigned i = 0; i != N; ++i)
768  V = CreateInsertValue(V, retVals[i], i, "mrv");
769  return Insert(ReturnInst::Create(Context, V));
770  }
771 
772  /// \brief Create an unconditional 'br label X' instruction.
774  return Insert(BranchInst::Create(Dest));
775  }
776 
777  /// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
778  /// instruction.
780  MDNode *BranchWeights = nullptr,
781  MDNode *Unpredictable = nullptr) {
782  return Insert(addBranchMetadata(BranchInst::Create(True, False, Cond),
783  BranchWeights, Unpredictable));
784  }
785 
786  /// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
787  /// instruction. Copy branch meta data if available.
789  Instruction *MDSrc) {
790  BranchInst *Br = BranchInst::Create(True, False, Cond);
791  if (MDSrc) {
794  Br->copyMetadata(*MDSrc, makeArrayRef(&WL[0], 4));
795  }
796  return Insert(Br);
797  }
798 
799  /// \brief Create a switch instruction with the specified value, default dest,
800  /// and with a hint for the number of cases that will be added (for efficient
801  /// allocation).
802  SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10,
803  MDNode *BranchWeights = nullptr,
804  MDNode *Unpredictable = nullptr) {
805  return Insert(addBranchMetadata(SwitchInst::Create(V, Dest, NumCases),
806  BranchWeights, Unpredictable));
807  }
808 
809  /// \brief Create an indirect branch instruction with the specified address
810  /// operand, with an optional hint for the number of destinations that will be
811  /// added (for efficient allocation).
812  IndirectBrInst *CreateIndirectBr(Value *Addr, unsigned NumDests = 10) {
813  return Insert(IndirectBrInst::Create(Addr, NumDests));
814  }
815 
816  /// \brief Create an invoke instruction.
818  BasicBlock *UnwindDest,
820  const Twine &Name = "") {
821  return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
822  Name);
823  }
825  BasicBlock *UnwindDest, ArrayRef<Value *> Args,
826  ArrayRef<OperandBundleDef> OpBundles,
827  const Twine &Name = "") {
828  return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
829  OpBundles), Name);
830  }
831 
833  return Insert(ResumeInst::Create(Exn));
834  }
835 
837  BasicBlock *UnwindBB = nullptr) {
838  return Insert(CleanupReturnInst::Create(CleanupPad, UnwindBB));
839  }
840 
842  unsigned NumHandlers,
843  const Twine &Name = "") {
844  return Insert(CatchSwitchInst::Create(ParentPad, UnwindBB, NumHandlers),
845  Name);
846  }
847 
849  const Twine &Name = "") {
850  return Insert(CatchPadInst::Create(ParentPad, Args), Name);
851  }
852 
855  const Twine &Name = "") {
856  return Insert(CleanupPadInst::Create(ParentPad, Args), Name);
857  }
858 
860  return Insert(CatchReturnInst::Create(CatchPad, BB));
861  }
862 
864  return Insert(new UnreachableInst(Context));
865  }
866 
867  //===--------------------------------------------------------------------===//
868  // Instruction creation methods: Binary Operators
869  //===--------------------------------------------------------------------===//
870 private:
871  BinaryOperator *CreateInsertNUWNSWBinOp(BinaryOperator::BinaryOps Opc,
872  Value *LHS, Value *RHS,
873  const Twine &Name,
874  bool HasNUW, bool HasNSW) {
875  BinaryOperator *BO = Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
876  if (HasNUW) BO->setHasNoUnsignedWrap();
877  if (HasNSW) BO->setHasNoSignedWrap();
878  return BO;
879  }
880 
881  Instruction *AddFPMathAttributes(Instruction *I,
882  MDNode *FPMathTag,
883  FastMathFlags FMF) const {
884  if (!FPMathTag)
885  FPMathTag = DefaultFPMathTag;
886  if (FPMathTag)
887  I->setMetadata(LLVMContext::MD_fpmath, FPMathTag);
888  I->setFastMathFlags(FMF);
889  return I;
890  }
891 
892 public:
893  Value *CreateAdd(Value *LHS, Value *RHS, const Twine &Name = "",
894  bool HasNUW = false, bool HasNSW = false) {
895  if (Constant *LC = dyn_cast<Constant>(LHS))
896  if (Constant *RC = dyn_cast<Constant>(RHS))
897  return Insert(Folder.CreateAdd(LC, RC, HasNUW, HasNSW), Name);
898  return CreateInsertNUWNSWBinOp(Instruction::Add, LHS, RHS, Name,
899  HasNUW, HasNSW);
900  }
901  Value *CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
902  return CreateAdd(LHS, RHS, Name, false, true);
903  }
904  Value *CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
905  return CreateAdd(LHS, RHS, Name, true, false);
906  }
907  Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "",
908  MDNode *FPMathTag = nullptr) {
909  if (Constant *LC = dyn_cast<Constant>(LHS))
910  if (Constant *RC = dyn_cast<Constant>(RHS))
911  return Insert(Folder.CreateFAdd(LC, RC), Name);
912  return Insert(AddFPMathAttributes(BinaryOperator::CreateFAdd(LHS, RHS),
913  FPMathTag, FMF), Name);
914  }
915  Value *CreateSub(Value *LHS, Value *RHS, const Twine &Name = "",
916  bool HasNUW = false, bool HasNSW = false) {
917  if (Constant *LC = dyn_cast<Constant>(LHS))
918  if (Constant *RC = dyn_cast<Constant>(RHS))
919  return Insert(Folder.CreateSub(LC, RC, HasNUW, HasNSW), Name);
920  return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
921  HasNUW, HasNSW);
922  }
923  Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
924  return CreateSub(LHS, RHS, Name, false, true);
925  }
926  Value *CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
927  return CreateSub(LHS, RHS, Name, true, false);
928  }
929  Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "",
930  MDNode *FPMathTag = nullptr) {
931  if (Constant *LC = dyn_cast<Constant>(LHS))
932  if (Constant *RC = dyn_cast<Constant>(RHS))
933  return Insert(Folder.CreateFSub(LC, RC), Name);
934  return Insert(AddFPMathAttributes(BinaryOperator::CreateFSub(LHS, RHS),
935  FPMathTag, FMF), Name);
936  }
937  Value *CreateMul(Value *LHS, Value *RHS, const Twine &Name = "",
938  bool HasNUW = false, bool HasNSW = false) {
939  if (Constant *LC = dyn_cast<Constant>(LHS))
940  if (Constant *RC = dyn_cast<Constant>(RHS))
941  return Insert(Folder.CreateMul(LC, RC, HasNUW, HasNSW), Name);
942  return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
943  HasNUW, HasNSW);
944  }
945  Value *CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
946  return CreateMul(LHS, RHS, Name, false, true);
947  }
948  Value *CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
949  return CreateMul(LHS, RHS, Name, true, false);
950  }
951  Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "",
952  MDNode *FPMathTag = nullptr) {
953  if (Constant *LC = dyn_cast<Constant>(LHS))
954  if (Constant *RC = dyn_cast<Constant>(RHS))
955  return Insert(Folder.CreateFMul(LC, RC), Name);
956  return Insert(AddFPMathAttributes(BinaryOperator::CreateFMul(LHS, RHS),
957  FPMathTag, FMF), Name);
958  }
959  Value *CreateUDiv(Value *LHS, Value *RHS, const Twine &Name = "",
960  bool isExact = false) {
961  if (Constant *LC = dyn_cast<Constant>(LHS))
962  if (Constant *RC = dyn_cast<Constant>(RHS))
963  return Insert(Folder.CreateUDiv(LC, RC, isExact), Name);
964  if (!isExact)
965  return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
966  return Insert(BinaryOperator::CreateExactUDiv(LHS, RHS), Name);
967  }
968  Value *CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
969  return CreateUDiv(LHS, RHS, Name, true);
970  }
971  Value *CreateSDiv(Value *LHS, Value *RHS, const Twine &Name = "",
972  bool isExact = false) {
973  if (Constant *LC = dyn_cast<Constant>(LHS))
974  if (Constant *RC = dyn_cast<Constant>(RHS))
975  return Insert(Folder.CreateSDiv(LC, RC, isExact), Name);
976  if (!isExact)
977  return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
978  return Insert(BinaryOperator::CreateExactSDiv(LHS, RHS), Name);
979  }
980  Value *CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
981  return CreateSDiv(LHS, RHS, Name, true);
982  }
983  Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "",
984  MDNode *FPMathTag = nullptr) {
985  if (Constant *LC = dyn_cast<Constant>(LHS))
986  if (Constant *RC = dyn_cast<Constant>(RHS))
987  return Insert(Folder.CreateFDiv(LC, RC), Name);
988  return Insert(AddFPMathAttributes(BinaryOperator::CreateFDiv(LHS, RHS),
989  FPMathTag, FMF), Name);
990  }
991  Value *CreateURem(Value *LHS, Value *RHS, const Twine &Name = "") {
992  if (Constant *LC = dyn_cast<Constant>(LHS))
993  if (Constant *RC = dyn_cast<Constant>(RHS))
994  return Insert(Folder.CreateURem(LC, RC), Name);
995  return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
996  }
997  Value *CreateSRem(Value *LHS, Value *RHS, const Twine &Name = "") {
998  if (Constant *LC = dyn_cast<Constant>(LHS))
999  if (Constant *RC = dyn_cast<Constant>(RHS))
1000  return Insert(Folder.CreateSRem(LC, RC), Name);
1001  return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
1002  }
1003  Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "",
1004  MDNode *FPMathTag = nullptr) {
1005  if (Constant *LC = dyn_cast<Constant>(LHS))
1006  if (Constant *RC = dyn_cast<Constant>(RHS))
1007  return Insert(Folder.CreateFRem(LC, RC), Name);
1008  return Insert(AddFPMathAttributes(BinaryOperator::CreateFRem(LHS, RHS),
1009  FPMathTag, FMF), Name);
1010  }
1011 
1012  Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "",
1013  bool HasNUW = false, bool HasNSW = false) {
1014  if (Constant *LC = dyn_cast<Constant>(LHS))
1015  if (Constant *RC = dyn_cast<Constant>(RHS))
1016  return Insert(Folder.CreateShl(LC, RC, HasNUW, HasNSW), Name);
1017  return CreateInsertNUWNSWBinOp(Instruction::Shl, LHS, RHS, Name,
1018  HasNUW, HasNSW);
1019  }
1020  Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "",
1021  bool HasNUW = false, bool HasNSW = false) {
1022  return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
1023  HasNUW, HasNSW);
1024  }
1025  Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "",
1026  bool HasNUW = false, bool HasNSW = false) {
1027  return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
1028  HasNUW, HasNSW);
1029  }
1030 
1031  Value *CreateLShr(Value *LHS, Value *RHS, const Twine &Name = "",
1032  bool isExact = false) {
1033  if (Constant *LC = dyn_cast<Constant>(LHS))
1034  if (Constant *RC = dyn_cast<Constant>(RHS))
1035  return Insert(Folder.CreateLShr(LC, RC, isExact), Name);
1036  if (!isExact)
1037  return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
1038  return Insert(BinaryOperator::CreateExactLShr(LHS, RHS), Name);
1039  }
1040  Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
1041  bool isExact = false) {
1042  return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1043  }
1044  Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
1045  bool isExact = false) {
1046  return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1047  }
1048 
1049  Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "",
1050  bool isExact = false) {
1051  if (Constant *LC = dyn_cast<Constant>(LHS))
1052  if (Constant *RC = dyn_cast<Constant>(RHS))
1053  return Insert(Folder.CreateAShr(LC, RC, isExact), Name);
1054  if (!isExact)
1055  return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
1056  return Insert(BinaryOperator::CreateExactAShr(LHS, RHS), Name);
1057  }
1058  Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
1059  bool isExact = false) {
1060  return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1061  }
1062  Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
1063  bool isExact = false) {
1064  return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
1065  }
1066 
1067  Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
1068  if (Constant *RC = dyn_cast<Constant>(RHS)) {
1069  if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isMinusOne())
1070  return LHS; // LHS & -1 -> LHS
1071  if (Constant *LC = dyn_cast<Constant>(LHS))
1072  return Insert(Folder.CreateAnd(LC, RC), Name);
1073  }
1074  return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
1075  }
1076  Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1077  return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1078  }
1079  Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1080  return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1081  }
1082 
1083  Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
1084  if (Constant *RC = dyn_cast<Constant>(RHS)) {
1085  if (RC->isNullValue())
1086  return LHS; // LHS | 0 -> LHS
1087  if (Constant *LC = dyn_cast<Constant>(LHS))
1088  return Insert(Folder.CreateOr(LC, RC), Name);
1089  }
1090  return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
1091  }
1092  Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1093  return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1094  }
1095  Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1096  return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1097  }
1098 
1099  Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
1100  if (Constant *LC = dyn_cast<Constant>(LHS))
1101  if (Constant *RC = dyn_cast<Constant>(RHS))
1102  return Insert(Folder.CreateXor(LC, RC), Name);
1103  return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
1104  }
1105  Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
1106  return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1107  }
1108  Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
1109  return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
1110  }
1111 
1113  Value *LHS, Value *RHS, const Twine &Name = "",
1114  MDNode *FPMathTag = nullptr) {
1115  if (Constant *LC = dyn_cast<Constant>(LHS))
1116  if (Constant *RC = dyn_cast<Constant>(RHS))
1117  return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
1118  Instruction *BinOp = BinaryOperator::Create(Opc, LHS, RHS);
1119  if (isa<FPMathOperator>(BinOp))
1120  BinOp = AddFPMathAttributes(BinOp, FPMathTag, FMF);
1121  return Insert(BinOp, Name);
1122  }
1123 
1124  Value *CreateNeg(Value *V, const Twine &Name = "",
1125  bool HasNUW = false, bool HasNSW = false) {
1126  if (Constant *VC = dyn_cast<Constant>(V))
1127  return Insert(Folder.CreateNeg(VC, HasNUW, HasNSW), Name);
1128  BinaryOperator *BO = Insert(BinaryOperator::CreateNeg(V), Name);
1129  if (HasNUW) BO->setHasNoUnsignedWrap();
1130  if (HasNSW) BO->setHasNoSignedWrap();
1131  return BO;
1132  }
1133  Value *CreateNSWNeg(Value *V, const Twine &Name = "") {
1134  return CreateNeg(V, Name, false, true);
1135  }
1136  Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
1137  return CreateNeg(V, Name, true, false);
1138  }
1139  Value *CreateFNeg(Value *V, const Twine &Name = "",
1140  MDNode *FPMathTag = nullptr) {
1141  if (Constant *VC = dyn_cast<Constant>(V))
1142  return Insert(Folder.CreateFNeg(VC), Name);
1143  return Insert(AddFPMathAttributes(BinaryOperator::CreateFNeg(V),
1144  FPMathTag, FMF), Name);
1145  }
1146  Value *CreateNot(Value *V, const Twine &Name = "") {
1147  if (Constant *VC = dyn_cast<Constant>(V))
1148  return Insert(Folder.CreateNot(VC), Name);
1149  return Insert(BinaryOperator::CreateNot(V), Name);
1150  }
1151 
1152  //===--------------------------------------------------------------------===//
1153  // Instruction creation methods: Memory Instructions
1154  //===--------------------------------------------------------------------===//
1155 
1156  AllocaInst *CreateAlloca(Type *Ty, unsigned AddrSpace,
1157  Value *ArraySize = nullptr, const Twine &Name = "") {
1158  return Insert(new AllocaInst(Ty, AddrSpace, ArraySize), Name);
1159  }
1160 
1161  AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = nullptr,
1162  const Twine &Name = "") {
1163  const DataLayout &DL = BB->getParent()->getParent()->getDataLayout();
1164  return Insert(new AllocaInst(Ty, DL.getAllocaAddrSpace(), ArraySize), Name);
1165  }
1166  // \brief Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
1167  // converting the string to 'bool' for the isVolatile parameter.
1168  LoadInst *CreateLoad(Value *Ptr, const char *Name) {
1169  return Insert(new LoadInst(Ptr), Name);
1170  }
1171  LoadInst *CreateLoad(Value *Ptr, const Twine &Name = "") {
1172  return Insert(new LoadInst(Ptr), Name);
1173  }
1174  LoadInst *CreateLoad(Type *Ty, Value *Ptr, const Twine &Name = "") {
1175  return Insert(new LoadInst(Ty, Ptr), Name);
1176  }
1177  LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
1178  return Insert(new LoadInst(Ptr, nullptr, isVolatile), Name);
1179  }
1180  StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
1181  return Insert(new StoreInst(Val, Ptr, isVolatile));
1182  }
1183  // \brief Provided to resolve 'CreateAlignedLoad(Ptr, Align, "...")'
1184  // correctly, instead of converting the string to 'bool' for the isVolatile
1185  // parameter.
1186  LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name) {
1187  LoadInst *LI = CreateLoad(Ptr, Name);
1188  LI->setAlignment(Align);
1189  return LI;
1190  }
1192  const Twine &Name = "") {
1193  LoadInst *LI = CreateLoad(Ptr, Name);
1194  LI->setAlignment(Align);
1195  return LI;
1196  }
1198  const Twine &Name = "") {
1199  LoadInst *LI = CreateLoad(Ptr, isVolatile, Name);
1200  LI->setAlignment(Align);
1201  return LI;
1202  }
1204  bool isVolatile = false) {
1205  StoreInst *SI = CreateStore(Val, Ptr, isVolatile);
1206  SI->setAlignment(Align);
1207  return SI;
1208  }
1211  const Twine &Name = "") {
1212  return Insert(new FenceInst(Context, Ordering, SSID), Name);
1213  }
1216  AtomicOrdering SuccessOrdering,
1217  AtomicOrdering FailureOrdering,
1219  return Insert(new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering,
1220  FailureOrdering, SSID));
1221  }
1223  AtomicOrdering Ordering,
1225  return Insert(new AtomicRMWInst(Op, Ptr, Val, Ordering, SSID));
1226  }
1228  const Twine &Name = "") {
1229  return CreateGEP(nullptr, Ptr, IdxList, Name);
1230  }
1232  const Twine &Name = "") {
1233  if (Constant *PC = dyn_cast<Constant>(Ptr)) {
1234  // Every index must be constant.
1235  size_t i, e;
1236  for (i = 0, e = IdxList.size(); i != e; ++i)
1237  if (!isa<Constant>(IdxList[i]))
1238  break;
1239  if (i == e)
1240  return Insert(Folder.CreateGetElementPtr(Ty, PC, IdxList), Name);
1241  }
1242  return Insert(GetElementPtrInst::Create(Ty, Ptr, IdxList), Name);
1243  }
1245  const Twine &Name = "") {
1246  return CreateInBoundsGEP(nullptr, Ptr, IdxList, Name);
1247  }
1249  const Twine &Name = "") {
1250  if (Constant *PC = dyn_cast<Constant>(Ptr)) {
1251  // Every index must be constant.
1252  size_t i, e;
1253  for (i = 0, e = IdxList.size(); i != e; ++i)
1254  if (!isa<Constant>(IdxList[i]))
1255  break;
1256  if (i == e)
1257  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IdxList),
1258  Name);
1259  }
1260  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, IdxList), Name);
1261  }
1262  Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
1263  return CreateGEP(nullptr, Ptr, Idx, Name);
1264  }
1265  Value *CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name = "") {
1266  if (Constant *PC = dyn_cast<Constant>(Ptr))
1267  if (Constant *IC = dyn_cast<Constant>(Idx))
1268  return Insert(Folder.CreateGetElementPtr(Ty, PC, IC), Name);
1269  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
1270  }
1272  const Twine &Name = "") {
1273  if (Constant *PC = dyn_cast<Constant>(Ptr))
1274  if (Constant *IC = dyn_cast<Constant>(Idx))
1275  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IC), Name);
1276  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
1277  }
1278  Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
1279  return CreateConstGEP1_32(nullptr, Ptr, Idx0, Name);
1280  }
1281  Value *CreateConstGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0,
1282  const Twine &Name = "") {
1284 
1285  if (Constant *PC = dyn_cast<Constant>(Ptr))
1286  return Insert(Folder.CreateGetElementPtr(Ty, PC, Idx), Name);
1287 
1288  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
1289  }
1290  Value *CreateConstInBoundsGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0,
1291  const Twine &Name = "") {
1293 
1294  if (Constant *PC = dyn_cast<Constant>(Ptr))
1295  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idx), Name);
1296 
1297  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
1298  }
1299  Value *CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1,
1300  const Twine &Name = "") {
1301  Value *Idxs[] = {
1304  };
1305 
1306  if (Constant *PC = dyn_cast<Constant>(Ptr))
1307  return Insert(Folder.CreateGetElementPtr(Ty, PC, Idxs), Name);
1308 
1309  return Insert(GetElementPtrInst::Create(Ty, Ptr, Idxs), Name);
1310  }
1311  Value *CreateConstInBoundsGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0,
1312  unsigned Idx1, const Twine &Name = "") {
1313  Value *Idxs[] = {
1316  };
1317 
1318  if (Constant *PC = dyn_cast<Constant>(Ptr))
1319  return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idxs), Name);
1320 
1321  return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idxs), Name);
1322  }
1323  Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name = "") {
1325 
1326  if (Constant *PC = dyn_cast<Constant>(Ptr))
1327  return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idx), Name);
1328 
1329  return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idx), Name);
1330  }
1332  const Twine &Name = "") {
1334 
1335  if (Constant *PC = dyn_cast<Constant>(Ptr))
1336  return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idx), Name);
1337 
1338  return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idx), Name);
1339  }
1340  Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
1341  const Twine &Name = "") {
1342  Value *Idxs[] = {
1345  };
1346 
1347  if (Constant *PC = dyn_cast<Constant>(Ptr))
1348  return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idxs), Name);
1349 
1350  return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idxs), Name);
1351  }
1352  Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
1353  const Twine &Name = "") {
1354  Value *Idxs[] = {
1357  };
1358 
1359  if (Constant *PC = dyn_cast<Constant>(Ptr))
1360  return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idxs),
1361  Name);
1362 
1363  return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idxs), Name);
1364  }
1365  Value *CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx,
1366  const Twine &Name = "") {
1367  return CreateConstInBoundsGEP2_32(Ty, Ptr, 0, Idx, Name);
1368  }
1369 
1370  /// \brief Same as CreateGlobalString, but return a pointer with "i8*" type
1371  /// instead of a pointer to array of i8.
1372  Value *CreateGlobalStringPtr(StringRef Str, const Twine &Name = "",
1373  unsigned AddressSpace = 0) {
1374  GlobalVariable *gv = CreateGlobalString(Str, Name, AddressSpace);
1376  Value *Args[] = { zero, zero };
1377  return CreateInBoundsGEP(gv->getValueType(), gv, Args, Name);
1378  }
1379 
1380  //===--------------------------------------------------------------------===//
1381  // Instruction creation methods: Cast/Conversion Operators
1382  //===--------------------------------------------------------------------===//
1383 
1384  Value *CreateTrunc(Value *V, Type *DestTy, const Twine &Name = "") {
1385  return CreateCast(Instruction::Trunc, V, DestTy, Name);
1386  }
1387  Value *CreateZExt(Value *V, Type *DestTy, const Twine &Name = "") {
1388  return CreateCast(Instruction::ZExt, V, DestTy, Name);
1389  }
1390  Value *CreateSExt(Value *V, Type *DestTy, const Twine &Name = "") {
1391  return CreateCast(Instruction::SExt, V, DestTy, Name);
1392  }
1393  /// \brief Create a ZExt or Trunc from the integer value V to DestTy. Return
1394  /// the value untouched if the type of V is already DestTy.
1396  const Twine &Name = "") {
1397  assert(V->getType()->isIntOrIntVectorTy() &&
1398  DestTy->isIntOrIntVectorTy() &&
1399  "Can only zero extend/truncate integers!");
1400  Type *VTy = V->getType();
1401  if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
1402  return CreateZExt(V, DestTy, Name);
1403  if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
1404  return CreateTrunc(V, DestTy, Name);
1405  return V;
1406  }
1407  /// \brief Create a SExt or Trunc from the integer value V to DestTy. Return
1408  /// the value untouched if the type of V is already DestTy.
1410  const Twine &Name = "") {
1411  assert(V->getType()->isIntOrIntVectorTy() &&
1412  DestTy->isIntOrIntVectorTy() &&
1413  "Can only sign extend/truncate integers!");
1414  Type *VTy = V->getType();
1415  if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
1416  return CreateSExt(V, DestTy, Name);
1417  if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
1418  return CreateTrunc(V, DestTy, Name);
1419  return V;
1420  }
1421  Value *CreateFPToUI(Value *V, Type *DestTy, const Twine &Name = ""){
1422  return CreateCast(Instruction::FPToUI, V, DestTy, Name);
1423  }
1424  Value *CreateFPToSI(Value *V, Type *DestTy, const Twine &Name = ""){
1425  return CreateCast(Instruction::FPToSI, V, DestTy, Name);
1426  }
1427  Value *CreateUIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
1428  return CreateCast(Instruction::UIToFP, V, DestTy, Name);
1429  }
1430  Value *CreateSIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
1431  return CreateCast(Instruction::SIToFP, V, DestTy, Name);
1432  }
1434  const Twine &Name = "") {
1435  return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
1436  }
1437  Value *CreateFPExt(Value *V, Type *DestTy, const Twine &Name = "") {
1438  return CreateCast(Instruction::FPExt, V, DestTy, Name);
1439  }
1441  const Twine &Name = "") {
1442  return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
1443  }
1445  const Twine &Name = "") {
1446  return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
1447  }
1449  const Twine &Name = "") {
1450  return CreateCast(Instruction::BitCast, V, DestTy, Name);
1451  }
1453  const Twine &Name = "") {
1454  return CreateCast(Instruction::AddrSpaceCast, V, DestTy, Name);
1455  }
1457  const Twine &Name = "") {
1458  if (V->getType() == DestTy)
1459  return V;
1460  if (Constant *VC = dyn_cast<Constant>(V))
1461  return Insert(Folder.CreateZExtOrBitCast(VC, DestTy), Name);
1462  return Insert(CastInst::CreateZExtOrBitCast(V, DestTy), Name);
1463  }
1465  const Twine &Name = "") {
1466  if (V->getType() == DestTy)
1467  return V;
1468  if (Constant *VC = dyn_cast<Constant>(V))
1469  return Insert(Folder.CreateSExtOrBitCast(VC, DestTy), Name);
1470  return Insert(CastInst::CreateSExtOrBitCast(V, DestTy), Name);
1471  }
1473  const Twine &Name = "") {
1474  if (V->getType() == DestTy)
1475  return V;
1476  if (Constant *VC = dyn_cast<Constant>(V))
1477  return Insert(Folder.CreateTruncOrBitCast(VC, DestTy), Name);
1478  return Insert(CastInst::CreateTruncOrBitCast(V, DestTy), Name);
1479  }
1481  const Twine &Name = "") {
1482  if (V->getType() == DestTy)
1483  return V;
1484  if (Constant *VC = dyn_cast<Constant>(V))
1485  return Insert(Folder.CreateCast(Op, VC, DestTy), Name);
1486  return Insert(CastInst::Create(Op, V, DestTy), Name);
1487  }
1489  const Twine &Name = "") {
1490  if (V->getType() == DestTy)
1491  return V;
1492  if (Constant *VC = dyn_cast<Constant>(V))
1493  return Insert(Folder.CreatePointerCast(VC, DestTy), Name);
1494  return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
1495  }
1496 
1498  const Twine &Name = "") {
1499  if (V->getType() == DestTy)
1500  return V;
1501 
1502  if (Constant *VC = dyn_cast<Constant>(V)) {
1503  return Insert(Folder.CreatePointerBitCastOrAddrSpaceCast(VC, DestTy),
1504  Name);
1505  }
1506 
1507  return Insert(CastInst::CreatePointerBitCastOrAddrSpaceCast(V, DestTy),
1508  Name);
1509  }
1510 
1511  Value *CreateIntCast(Value *V, Type *DestTy, bool isSigned,
1512  const Twine &Name = "") {
1513  if (V->getType() == DestTy)
1514  return V;
1515  if (Constant *VC = dyn_cast<Constant>(V))
1516  return Insert(Folder.CreateIntCast(VC, DestTy, isSigned), Name);
1517  return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
1518  }
1519 
1521  const Twine &Name = "") {
1522  if (V->getType() == DestTy)
1523  return V;
1524  if (V->getType()->isPtrOrPtrVectorTy() && DestTy->isIntOrIntVectorTy())
1525  return CreatePtrToInt(V, DestTy, Name);
1526  if (V->getType()->isIntOrIntVectorTy() && DestTy->isPtrOrPtrVectorTy())
1527  return CreateIntToPtr(V, DestTy, Name);
1528 
1529  return CreateBitCast(V, DestTy, Name);
1530  }
1531 
1532 public:
1533  Value *CreateFPCast(Value *V, Type *DestTy, const Twine &Name = "") {
1534  if (V->getType() == DestTy)
1535  return V;
1536  if (Constant *VC = dyn_cast<Constant>(V))
1537  return Insert(Folder.CreateFPCast(VC, DestTy), Name);
1538  return Insert(CastInst::CreateFPCast(V, DestTy), Name);
1539  }
1540 
1541  // \brief Provided to resolve 'CreateIntCast(Ptr, Ptr, "...")', giving a
1542  // compile time error, instead of converting the string to bool for the
1543  // isSigned parameter.
1544  Value *CreateIntCast(Value *, Type *, const char *) = delete;
1545 
1546  //===--------------------------------------------------------------------===//
1547  // Instruction creation methods: Compare Instructions
1548  //===--------------------------------------------------------------------===//
1549 
1550  Value *CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
1551  return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
1552  }
1553  Value *CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name = "") {
1554  return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
1555  }
1556  Value *CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
1557  return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
1558  }
1559  Value *CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
1560  return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
1561  }
1562  Value *CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
1563  return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
1564  }
1565  Value *CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
1566  return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
1567  }
1568  Value *CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name = "") {
1569  return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
1570  }
1571  Value *CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name = "") {
1572  return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
1573  }
1574  Value *CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name = "") {
1575  return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
1576  }
1577  Value *CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name = "") {
1578  return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
1579  }
1580 
1581  Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "",
1582  MDNode *FPMathTag = nullptr) {
1583  return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name, FPMathTag);
1584  }
1585  Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "",
1586  MDNode *FPMathTag = nullptr) {
1587  return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name, FPMathTag);
1588  }
1589  Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "",
1590  MDNode *FPMathTag = nullptr) {
1591  return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name, FPMathTag);
1592  }
1593  Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "",
1594  MDNode *FPMathTag = nullptr) {
1595  return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name, FPMathTag);
1596  }
1597  Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "",
1598  MDNode *FPMathTag = nullptr) {
1599  return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name, FPMathTag);
1600  }
1601  Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "",
1602  MDNode *FPMathTag = nullptr) {
1603  return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name, FPMathTag);
1604  }
1605  Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "",
1606  MDNode *FPMathTag = nullptr) {
1607  return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name, FPMathTag);
1608  }
1609  Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "",
1610  MDNode *FPMathTag = nullptr) {
1611  return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name, FPMathTag);
1612  }
1613  Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "",
1614  MDNode *FPMathTag = nullptr) {
1615  return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name, FPMathTag);
1616  }
1617  Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "",
1618  MDNode *FPMathTag = nullptr) {
1619  return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name, FPMathTag);
1620  }
1621  Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "",
1622  MDNode *FPMathTag = nullptr) {
1623  return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name, FPMathTag);
1624  }
1625  Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "",
1626  MDNode *FPMathTag = nullptr) {
1627  return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name, FPMathTag);
1628  }
1629  Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "",
1630  MDNode *FPMathTag = nullptr) {
1631  return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name, FPMathTag);
1632  }
1633  Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "",
1634  MDNode *FPMathTag = nullptr) {
1635  return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name, FPMathTag);
1636  }
1637 
1639  const Twine &Name = "") {
1640  if (Constant *LC = dyn_cast<Constant>(LHS))
1641  if (Constant *RC = dyn_cast<Constant>(RHS))
1642  return Insert(Folder.CreateICmp(P, LC, RC), Name);
1643  return Insert(new ICmpInst(P, LHS, RHS), Name);
1644  }
1646  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1647  if (Constant *LC = dyn_cast<Constant>(LHS))
1648  if (Constant *RC = dyn_cast<Constant>(RHS))
1649  return Insert(Folder.CreateFCmp(P, LC, RC), Name);
1650  return Insert(AddFPMathAttributes(new FCmpInst(P, LHS, RHS),
1651  FPMathTag, FMF), Name);
1652  }
1653 
1654  //===--------------------------------------------------------------------===//
1655  // Instruction creation methods: Other Instructions
1656  //===--------------------------------------------------------------------===//
1657 
1658  PHINode *CreatePHI(Type *Ty, unsigned NumReservedValues,
1659  const Twine &Name = "") {
1660  return Insert(PHINode::Create(Ty, NumReservedValues), Name);
1661  }
1662 
1664  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1665  PointerType *PTy = cast<PointerType>(Callee->getType());
1666  FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1667  return CreateCall(FTy, Callee, Args, Name, FPMathTag);
1668  }
1669 
1671  ArrayRef<Value *> Args, const Twine &Name = "",
1672  MDNode *FPMathTag = nullptr) {
1673  CallInst *CI = CallInst::Create(FTy, Callee, Args, DefaultOperandBundles);
1674  if (isa<FPMathOperator>(CI))
1675  CI = cast<CallInst>(AddFPMathAttributes(CI, FPMathTag, FMF));
1676  return Insert(CI, Name);
1677  }
1678 
1680  ArrayRef<OperandBundleDef> OpBundles,
1681  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1682  CallInst *CI = CallInst::Create(Callee, Args, OpBundles);
1683  if (isa<FPMathOperator>(CI))
1684  CI = cast<CallInst>(AddFPMathAttributes(CI, FPMathTag, FMF));
1685  return Insert(CI, Name);
1686  }
1687 
1689  const Twine &Name = "", MDNode *FPMathTag = nullptr) {
1690  return CreateCall(Callee->getFunctionType(), Callee, Args, Name, FPMathTag);
1691  }
1692 
1693  Value *CreateSelect(Value *C, Value *True, Value *False,
1694  const Twine &Name = "", Instruction *MDFrom = nullptr) {
1695  if (Constant *CC = dyn_cast<Constant>(C))
1696  if (Constant *TC = dyn_cast<Constant>(True))
1697  if (Constant *FC = dyn_cast<Constant>(False))
1698  return Insert(Folder.CreateSelect(CC, TC, FC), Name);
1699 
1700  SelectInst *Sel = SelectInst::Create(C, True, False);
1701  if (MDFrom) {
1702  MDNode *Prof = MDFrom->getMetadata(LLVMContext::MD_prof);
1703  MDNode *Unpred = MDFrom->getMetadata(LLVMContext::MD_unpredictable);
1704  Sel = addBranchMetadata(Sel, Prof, Unpred);
1705  }
1706  return Insert(Sel, Name);
1707  }
1708 
1709  VAArgInst *CreateVAArg(Value *List, Type *Ty, const Twine &Name = "") {
1710  return Insert(new VAArgInst(List, Ty), Name);
1711  }
1712 
1714  const Twine &Name = "") {
1715  if (Constant *VC = dyn_cast<Constant>(Vec))
1716  if (Constant *IC = dyn_cast<Constant>(Idx))
1717  return Insert(Folder.CreateExtractElement(VC, IC), Name);
1718  return Insert(ExtractElementInst::Create(Vec, Idx), Name);
1719  }
1720 
1721  Value *CreateExtractElement(Value *Vec, uint64_t Idx,
1722  const Twine &Name = "") {
1723  return CreateExtractElement(Vec, getInt64(Idx), Name);
1724  }
1725 
1727  const Twine &Name = "") {
1728  if (Constant *VC = dyn_cast<Constant>(Vec))
1729  if (Constant *NC = dyn_cast<Constant>(NewElt))
1730  if (Constant *IC = dyn_cast<Constant>(Idx))
1731  return Insert(Folder.CreateInsertElement(VC, NC, IC), Name);
1732  return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
1733  }
1734 
1735  Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
1736  const Twine &Name = "") {
1737  return CreateInsertElement(Vec, NewElt, getInt64(Idx), Name);
1738  }
1739 
1741  const Twine &Name = "") {
1742  if (Constant *V1C = dyn_cast<Constant>(V1))
1743  if (Constant *V2C = dyn_cast<Constant>(V2))
1744  if (Constant *MC = dyn_cast<Constant>(Mask))
1745  return Insert(Folder.CreateShuffleVector(V1C, V2C, MC), Name);
1746  return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
1747  }
1748 
1750  const Twine &Name = "") {
1752  return CreateShuffleVector(V1, V2, Mask, Name);
1753  }
1754 
1756  ArrayRef<unsigned> Idxs,
1757  const Twine &Name = "") {
1758  if (Constant *AggC = dyn_cast<Constant>(Agg))
1759  return Insert(Folder.CreateExtractValue(AggC, Idxs), Name);
1760  return Insert(ExtractValueInst::Create(Agg, Idxs), Name);
1761  }
1762 
1764  ArrayRef<unsigned> Idxs,
1765  const Twine &Name = "") {
1766  if (Constant *AggC = dyn_cast<Constant>(Agg))
1767  if (Constant *ValC = dyn_cast<Constant>(Val))
1768  return Insert(Folder.CreateInsertValue(AggC, ValC, Idxs), Name);
1769  return Insert(InsertValueInst::Create(Agg, Val, Idxs), Name);
1770  }
1771 
1772  LandingPadInst *CreateLandingPad(Type *Ty, unsigned NumClauses,
1773  const Twine &Name = "") {
1774  return Insert(LandingPadInst::Create(Ty, NumClauses), Name);
1775  }
1776 
1777  //===--------------------------------------------------------------------===//
1778  // Utility creation methods
1779  //===--------------------------------------------------------------------===//
1780 
1781  /// \brief Return an i1 value testing if \p Arg is null.
1782  Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
1783  return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
1784  Name);
1785  }
1786 
1787  /// \brief Return an i1 value testing if \p Arg is not null.
1788  Value *CreateIsNotNull(Value *Arg, const Twine &Name = "") {
1789  return CreateICmpNE(Arg, Constant::getNullValue(Arg->getType()),
1790  Name);
1791  }
1792 
1793  /// \brief Return the i64 difference between two pointer values, dividing out
1794  /// the size of the pointed-to objects.
1795  ///
1796  /// This is intended to implement C-style pointer subtraction. As such, the
1797  /// pointers must be appropriately aligned for their element types and
1798  /// pointing into the same object.
1799  Value *CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name = "") {
1800  assert(LHS->getType() == RHS->getType() &&
1801  "Pointer subtraction operand types must match!");
1802  PointerType *ArgType = cast<PointerType>(LHS->getType());
1803  Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
1804  Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
1805  Value *Difference = CreateSub(LHS_int, RHS_int);
1806  return CreateExactSDiv(Difference,
1807  ConstantExpr::getSizeOf(ArgType->getElementType()),
1808  Name);
1809  }
1810 
1811  /// \brief Create an invariant.group.barrier intrinsic call, that stops
1812  /// optimizer to propagate equality using invariant.group metadata.
1813  /// If Ptr type is different from pointer to i8, it's casted to pointer to i8
1814  /// in the same address space before call and casted back to Ptr type after
1815  /// call.
1817  assert(isa<PointerType>(Ptr->getType()) &&
1818  "invariant.group.barrier only applies to pointers.");
1819  auto *PtrType = Ptr->getType();
1820  auto *Int8PtrTy = getInt8PtrTy(PtrType->getPointerAddressSpace());
1821  if (PtrType != Int8PtrTy)
1822  Ptr = CreateBitCast(Ptr, Int8PtrTy);
1823  Module *M = BB->getParent()->getParent();
1824  Function *FnInvariantGroupBarrier = Intrinsic::getDeclaration(
1825  M, Intrinsic::invariant_group_barrier, {Int8PtrTy});
1826 
1827  assert(FnInvariantGroupBarrier->getReturnType() == Int8PtrTy &&
1828  FnInvariantGroupBarrier->getFunctionType()->getParamType(0) ==
1829  Int8PtrTy &&
1830  "InvariantGroupBarrier should take and return the same type");
1831 
1832  CallInst *Fn = CreateCall(FnInvariantGroupBarrier, {Ptr});
1833 
1834  if (PtrType != Int8PtrTy)
1835  return CreateBitCast(Fn, PtrType);
1836  return Fn;
1837  }
1838 
1839  /// \brief Return a vector value that contains \arg V broadcasted to \p
1840  /// NumElts elements.
1841  Value *CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name = "") {
1842  assert(NumElts > 0 && "Cannot splat to an empty vector!");
1843 
1844  // First insert it into an undef vector so we can shuffle it.
1845  Type *I32Ty = getInt32Ty();
1846  Value *Undef = UndefValue::get(VectorType::get(V->getType(), NumElts));
1847  V = CreateInsertElement(Undef, V, ConstantInt::get(I32Ty, 0),
1848  Name + ".splatinsert");
1849 
1850  // Shuffle the value across the desired number of elements.
1851  Value *Zeros = ConstantAggregateZero::get(VectorType::get(I32Ty, NumElts));
1852  return CreateShuffleVector(V, Undef, Zeros, Name + ".splat");
1853  }
1854 
1855  /// \brief Return a value that has been extracted from a larger integer type.
1857  IntegerType *ExtractedTy, uint64_t Offset,
1858  const Twine &Name) {
1859  IntegerType *IntTy = cast<IntegerType>(From->getType());
1860  assert(DL.getTypeStoreSize(ExtractedTy) + Offset <=
1861  DL.getTypeStoreSize(IntTy) &&
1862  "Element extends past full value");
1863  uint64_t ShAmt = 8 * Offset;
1864  Value *V = From;
1865  if (DL.isBigEndian())
1866  ShAmt = 8 * (DL.getTypeStoreSize(IntTy) -
1867  DL.getTypeStoreSize(ExtractedTy) - Offset);
1868  if (ShAmt) {
1869  V = CreateLShr(V, ShAmt, Name + ".shift");
1870  }
1871  assert(ExtractedTy->getBitWidth() <= IntTy->getBitWidth() &&
1872  "Cannot extract to a larger integer!");
1873  if (ExtractedTy != IntTy) {
1874  V = CreateTrunc(V, ExtractedTy, Name + ".trunc");
1875  }
1876  return V;
1877  }
1878 
1879 private:
1880  /// \brief Helper function that creates an assume intrinsic call that
1881  /// represents an alignment assumption on the provided Ptr, Mask, Type
1882  /// and Offset.
1883  CallInst *CreateAlignmentAssumptionHelper(const DataLayout &DL,
1884  Value *PtrValue, Value *Mask,
1885  Type *IntPtrTy,
1886  Value *OffsetValue) {
1887  Value *PtrIntValue = CreatePtrToInt(PtrValue, IntPtrTy, "ptrint");
1888 
1889  if (OffsetValue) {
1890  bool IsOffsetZero = false;
1891  if (ConstantInt *CI = dyn_cast<ConstantInt>(OffsetValue))
1892  IsOffsetZero = CI->isZero();
1893 
1894  if (!IsOffsetZero) {
1895  if (OffsetValue->getType() != IntPtrTy)
1896  OffsetValue = CreateIntCast(OffsetValue, IntPtrTy, /*isSigned*/ true,
1897  "offsetcast");
1898  PtrIntValue = CreateSub(PtrIntValue, OffsetValue, "offsetptr");
1899  }
1900  }
1901 
1902  Value *Zero = ConstantInt::get(IntPtrTy, 0);
1903  Value *MaskedPtr = CreateAnd(PtrIntValue, Mask, "maskedptr");
1904  Value *InvCond = CreateICmpEQ(MaskedPtr, Zero, "maskcond");
1905  return CreateAssumption(InvCond);
1906  }
1907 
1908 public:
1909  /// \brief Create an assume intrinsic call that represents an alignment
1910  /// assumption on the provided pointer.
1911  ///
1912  /// An optional offset can be provided, and if it is provided, the offset
1913  /// must be subtracted from the provided pointer to get the pointer with the
1914  /// specified alignment.
1916  unsigned Alignment,
1917  Value *OffsetValue = nullptr) {
1918  assert(isa<PointerType>(PtrValue->getType()) &&
1919  "trying to create an alignment assumption on a non-pointer?");
1920  PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
1921  Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
1922 
1923  Value *Mask = ConstantInt::get(IntPtrTy, Alignment > 0 ? Alignment - 1 : 0);
1924  return CreateAlignmentAssumptionHelper(DL, PtrValue, Mask, IntPtrTy,
1925  OffsetValue);
1926  }
1927  //
1928  /// \brief Create an assume intrinsic call that represents an alignment
1929  /// assumption on the provided pointer.
1930  ///
1931  /// An optional offset can be provided, and if it is provided, the offset
1932  /// must be subtracted from the provided pointer to get the pointer with the
1933  /// specified alignment.
1934  ///
1935  /// This overload handles the condition where the Alignment is dependent
1936  /// on an existing value rather than a static value.
1938  Value *Alignment,
1939  Value *OffsetValue = nullptr) {
1940  assert(isa<PointerType>(PtrValue->getType()) &&
1941  "trying to create an alignment assumption on a non-pointer?");
1942  PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
1943  Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
1944 
1945  if (Alignment->getType() != IntPtrTy)
1946  Alignment = CreateIntCast(Alignment, IntPtrTy, /*isSigned*/ true,
1947  "alignmentcast");
1948  Value *IsPositive =
1949  CreateICmp(CmpInst::ICMP_SGT, Alignment,
1950  ConstantInt::get(Alignment->getType(), 0), "ispositive");
1951  Value *PositiveMask =
1952  CreateSub(Alignment, ConstantInt::get(IntPtrTy, 1), "positivemask");
1953  Value *Mask = CreateSelect(IsPositive, PositiveMask,
1954  ConstantInt::get(IntPtrTy, 0), "mask");
1955 
1956  return CreateAlignmentAssumptionHelper(DL, PtrValue, Mask, IntPtrTy,
1957  OffsetValue);
1958  }
1959 };
1960 
1961 // Create wrappers for C Binding types (see CBindingWrapping.h).
1963 
1964 } // end namespace llvm
1965 
1966 #endif // LLVM_IR_IRBUILDER_H
IntegerType * getInt16Ty()
Fetch the type representing a 16-bit integer.
Definition: IRBuilder.h:343
Value * CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx, const Twine &Name="")
Definition: IRBuilder.h:1735
Value * CreateNSWNeg(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1133
Value * CreateConstInBoundsGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1290
Value * CreateInBoundsGEP(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1244
Common base class shared among various IRBuilders.
Definition: IRBuilder.h:90
uint64_t CallInst * C
Return a value (possibly void), from a function.
Value * CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1058
Value * CreateInBoundsGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1271
A parsed version of the target data layout string in and methods for querying it. ...
Definition: DataLayout.h:109
constexpr char Align[]
Key for Kernel::Arg::Metadata::mAlign.
static ConstantInt * getFalse(LLVMContext &Context)
Definition: Constants.cpp:522
BranchInst * CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a conditional &#39;br Cond, TrueDest, FalseDest&#39; instruction.
Definition: IRBuilder.h:779
Value * CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1638
Value * CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1278
void setFastMathFlags(FastMathFlags FMF)
Convenience function for setting multiple fast-math flags on this instruction, which must be an opera...
static Type * getDoubleTy(LLVMContext &C)
Definition: Type.cpp:165
static IntegerType * getInt1Ty(LLVMContext &C)
Definition: Type.cpp:173
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T &F, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:700
Value * CreateBinOp(Instruction::BinaryOps Opc, Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1112
Value * CreateConstGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0, const Twine &Name="")
Definition: IRBuilder.h:1281
FastMathFlags getFastMathFlags() const
Get the flags to be applied to created floating point ops.
Definition: IRBuilder.h:212
LLVMContext & Context
LLVMContext & getContext() const
Definition: IRBuilder.h:124
AllocaInst * CreateAlloca(Type *Ty, unsigned AddrSpace, Value *ArraySize=nullptr, const Twine &Name="")
Definition: IRBuilder.h:1156
static BinaryOperator * CreateNot(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
Value * CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1553
Value * CreateIsNotNull(Value *Arg, const Twine &Name="")
Return an i1 value testing if Arg is not null.
Definition: IRBuilder.h:1788
Atomic ordering constants.
Value * CreateAddrSpaceCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1452
Value * CreateZExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a ZExt or Trunc from the integer value V to DestTy.
Definition: IRBuilder.h:1395
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
Value * CreateFPTrunc(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1433
Type * getParamType(unsigned i) const
Parameter type accessors.
Definition: DerivedTypes.h:135
Value * CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1562
CallInst * CreateCall(FunctionType *FTy, Value *Callee, ArrayRef< Value *> Args, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1670
Value * CreateXor(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1099
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:63
static ResumeInst * Create(Value *Exn, Instruction *InsertBefore=nullptr)
CallInst * CreateCall(Value *Callee, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > OpBundles, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1679
An instruction for ordering other memory operations.
Definition: Instructions.h:440
an instruction that atomically checks whether a specified value is in a memory location, and, if it is, stores a new value there.
Definition: Instructions.h:514
FastMathFlags FMF
Definition: IRBuilder.h:99
Value * CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1597
bool isSet() const
Returns true if this insert point is set.
Definition: IRBuilder.h:182
LoadInst * CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name="")
Definition: IRBuilder.h:1177
Value * CreateShl(Value *LHS, uint64_t RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1025
static ConstantAggregateZero * get(Type *Ty)
Definition: Constants.cpp:1236
Value * CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:904
Value * CreateExtractInteger(const DataLayout &DL, Value *From, IntegerType *ExtractedTy, uint64_t Offset, const Twine &Name)
Return a value that has been extracted from a larger integer type.
Definition: IRBuilder.h:1856
static GetElementPtrInst * Create(Type *PointeeType, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Definition: Instructions.h:863
Value * CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1574
This class represents a function call, abstracting a target machine&#39;s calling convention.
void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP)
This specifies that created instructions should be inserted at the specified point.
Definition: IRBuilder.h:144
Value * CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1, const Twine &Name="")
Definition: IRBuilder.h:1299
unsigned less or equal
Definition: InstrTypes.h:879
unsigned less than
Definition: InstrTypes.h:878
IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:688
0 1 0 0 True if ordered and less than
Definition: InstrTypes.h:859
This instruction constructs a fixed permutation of two input vectors.
static SelectInst * Create(Value *C, Value *S1, Value *S2, const Twine &NameStr="", Instruction *InsertBefore=nullptr, Instruction *MDFrom=nullptr)
1 1 1 0 True if unordered or not equal
Definition: InstrTypes.h:869
struct LLVMOpaqueBuilder * LLVMBuilderRef
Represents an LLVM basic block builder.
Definition: Types.h:97
Value * CreateSExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1390
A debug info location.
Definition: DebugLoc.h:34
Metadata node.
Definition: Metadata.h:862
F(f)
static CallInst * Create(Value *Func, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > Bundles=None, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Value * CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1621
CallInst * CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memset to the specified pointer and the specified value.
Definition: IRBuilder.h:405
An instruction for reading from memory.
Definition: Instructions.h:164
Value * CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1609
static IntegerType * getInt64Ty(LLVMContext &C)
Definition: Type.cpp:177
an instruction that atomically reads a memory location, combines it with another value, and then stores the result back.
Definition: Instructions.h:677
Value * CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1565
Value * CreateShuffleVector(Value *V1, Value *V2, ArrayRef< uint32_t > IntMask, const Twine &Name="")
Definition: IRBuilder.h:1749
static IntegerType * getInt16Ty(LLVMContext &C)
Definition: Type.cpp:175
CallInst * CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue, Value *Alignment, Value *OffsetValue=nullptr)
Create an assume intrinsic call that represents an alignment assumption on the provided pointer...
Definition: IRBuilder.h:1937
static LandingPadInst * Create(Type *RetTy, unsigned NumReservedClauses, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Constructors - NumReservedClauses is a hint for the number of incoming clauses that this landingpad w...
Value * CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:901
static Constant * getNullValue(Type *Ty)
Constructor to create a &#39;0&#39; constant of arbitrary type.
Definition: Constants.cpp:206
StoreInst * CreateAlignedStore(Value *Val, Value *Ptr, unsigned Align, bool isVolatile=false)
Definition: IRBuilder.h:1203
Value * CreateNot(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1146
LLVMContext & Context
Definition: IRBuilder.h:96
Value * CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1617
static ReturnInst * Create(LLVMContext &C, Value *retVal=nullptr, Instruction *InsertBefore=nullptr)
IntegerType * getInt32Ty()
Fetch the type representing a 32-bit integer.
Definition: IRBuilder.h:348
1 0 0 1 True if unordered or equal
Definition: InstrTypes.h:864
Value * CreateFSub(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:929
Value * CreateOr(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1095
AllocaInst * CreateAlloca(Type *Ty, Value *ArraySize=nullptr, const Twine &Name="")
Definition: IRBuilder.h:1161
unsigned getAllocaAddrSpace() const
Definition: DataLayout.h:253
static InsertElementInst * Create(Value *Vec, Value *NewElt, Value *Idx, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
1 0 0 0 True if unordered: isnan(X) | isnan(Y)
Definition: InstrTypes.h:863
Definition: BitVector.h:920
Value * CreateFPExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1437
This class represents the LLVM &#39;select&#39; instruction.
Value * CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name="")
Return the i64 difference between two pointer values, dividing out the size of the pointed-to objects...
Definition: IRBuilder.h:1799
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:81
Value * CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1062
IntegerType * getInt64Ty()
Fetch the type representing a 64-bit integer.
Definition: IRBuilder.h:353
static Type * getFloatTy(LLVMContext &C)
Definition: Type.cpp:164
LoadInst * CreateLoad(Value *Ptr, const Twine &Name="")
Definition: IRBuilder.h:1171
ArrayRef< T > makeArrayRef(const T &OneElt)
Construct an ArrayRef from a single element.
Definition: ArrayRef.h:451
CleanupPadInst * CreateCleanupPad(Value *ParentPad, ArrayRef< Value *> Args=None, const Twine &Name="")
Definition: IRBuilder.h:853
Value * CreateSExtOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1464
ReturnInst * CreateRet(Value *V)
Create a &#39;ret <val>&#39; instruction.
Definition: IRBuilder.h:754
This provides a uniform API for creating instructions and inserting them into a basic block: either a...
Definition: IRBuilder.h:668
IntegerType * getIntPtrTy(const DataLayout &DL, unsigned AddrSpace=0)
Fetch the type representing a pointer to an integer value.
Definition: IRBuilder.h:391
0 1 0 1 True if ordered and less than or equal
Definition: InstrTypes.h:860
CallInst * CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue, unsigned Alignment, Value *OffsetValue=nullptr)
Create an assume intrinsic call that represents an alignment assumption on the provided pointer...
Definition: IRBuilder.h:1915
const DebugLoc & getCurrentDebugLocation() const
Get location information used by debugging information.
Definition: IRBuilder.h:155
Value * CreateAdd(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:893
void setName(const Twine &Name)
Change the name of the value.
Definition: Value.cpp:286
Value * CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1568
ConstantInt * getInt16(uint16_t C)
Get a constant 16-bit value.
Definition: IRBuilder.h:303
Type * getVoidTy()
Fetch the type representing void.
Definition: IRBuilder.h:381
BasicBlock * BB
Definition: IRBuilder.h:94
AtomicOrdering
Atomic ordering for LLVM&#39;s memory model.
CatchReturnInst * CreateCatchRet(CatchPadInst *CatchPad, BasicBlock *BB)
Definition: IRBuilder.h:859
StoreInst * CreateStore(Value *Val, Value *Ptr, bool isVolatile=false)
Definition: IRBuilder.h:1180
Value * CreateIntToPtr(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1444
static Constant * getSizeOf(Type *Ty)
getSizeOf constant expr - computes the (alloc) size of a type (in address-units, not bits) in a targe...
Definition: Constants.cpp:1790
Class to represent function types.
Definition: DerivedTypes.h:103
Value * CreateBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1448
Type * getType() const
All values are typed, get the type of this value.
Definition: Value.h:245
Value * CreateSExtOrTrunc(Value *V, Type *DestTy, const Twine &Name="")
Create a SExt or Trunc from the integer value V to DestTy.
Definition: IRBuilder.h:1409
Value * CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1556
BinOp
This enumeration lists the possible modifications atomicrmw can make.
Definition: Instructions.h:689
BasicBlock * GetInsertBlock() const
Definition: IRBuilder.h:122
Value * CreateGlobalStringPtr(StringRef Str, const Twine &Name="", unsigned AddressSpace=0)
Same as CreateGlobalString, but return a pointer with "i8*" type instead of a pointer to array of i8...
Definition: IRBuilder.h:1372
void ClearInsertionPoint()
Clear the insertion point: created instructions will not be inserted into a block.
Definition: IRBuilder.h:117
void SetInstDebugLocation(Instruction *I) const
If this builder has a current debug location, set it on the specified instruction.
Definition: IRBuilder.h:159
This instruction compares its operands according to the predicate given to the constructor.
CallInst * CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memmove between the specified pointers.
Definition: IRBuilder.h:468
Value * CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name="")
Return a vector value that contains.
Definition: IRBuilder.h:1841
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:33
ConstantFolder - Create constants with minimum, target independent, folding.
AtomicCmpXchgInst * CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New, AtomicOrdering SuccessOrdering, AtomicOrdering FailureOrdering, SyncScope::ID SSID=SyncScope::System)
Definition: IRBuilder.h:1215
Value * CreateSub(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:915
Value * CreateSIToFP(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1430
An instruction for storing to memory.
Definition: Instructions.h:306
void SetCurrentDebugLocation(DebugLoc L)
Set location information used by debugging information.
Definition: IRBuilder.h:152
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
Definition: Type.h:203
Value * CreateZExt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1387
IRBuilder(LLVMContext &C, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:678
unsigned getBitWidth() const
Get the number of bits in this IntegerType.
Definition: DerivedTypes.h:66
Value * CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1581
Value * CreateZExtOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1456
amdgpu Simplify well known AMD library false Value * Callee
Function * getDeclaration(Module *M, ID id, ArrayRef< Type *> Tys=None)
Create or insert an LLVM Function declaration for an intrinsic, and return it.
Definition: Function.cpp:979
static BinaryOperator * CreateAdd(Value *S1, Value *S2, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
Value * CreateXor(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1105
void SetInsertPoint(BasicBlock *TheBB)
This specifies that created instructions should be appended to the end of the specified block...
Definition: IRBuilder.h:128
ConstantInt * getIntN(unsigned N, uint64_t C)
Get a constant N-bit value, zero extended or truncated from a 64-bit value.
Definition: IRBuilder.h:319
Class to represent pointers.
Definition: DerivedTypes.h:467
Type * getHalfTy()
Fetch the type representing a 16-bit floating point value.
Definition: IRBuilder.h:366
CallInst * CreateMinNum(Value *LHS, Value *RHS, const Twine &Name="")
Create call to the minnum intrinsic.
Definition: IRBuilder.h:634
Value * CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1613
Value * CreateOr(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1083
IndirectBrInst * CreateIndirectBr(Value *Addr, unsigned NumDests=10)
Create an indirect branch instruction with the specified address operand, with an optional hint for t...
Definition: IRBuilder.h:812
Value * CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1645
InsertPoint saveAndClearIP()
Returns the current insert point, clearing it in the process.
Definition: IRBuilder.h:194
LoadInst * CreateLoad(Value *Ptr, const char *Name)
Definition: IRBuilder.h:1168
IntegerType * getIntPtrType(LLVMContext &C, unsigned AddressSpace=0) const
Returns an integer type with size at least as big as that of a pointer in the given address space...
Definition: DataLayout.cpp:702
Type * getDoubleTy()
Fetch the type representing a 64-bit floating point value.
Definition: IRBuilder.h:376
#define P(N)
Type * getReturnType() const
Returns the type of the ret val.
Definition: Function.h:150
void restoreIP(InsertPoint IP)
Sets the current insert point to a previously-saved location.
Definition: IRBuilder.h:201
static IntegerType * getInt128Ty(LLVMContext &C)
Definition: Type.cpp:178
The landingpad instruction holds all of the information necessary to generate correct exception handl...
static GCRegistry::Add< OcamlGC > B("ocaml", "ocaml 3.10-compatible GC")
IntegerType * getInt128Ty()
Fetch the type representing a 128-bit integer.
Definition: IRBuilder.h:358
void setDebugLoc(DebugLoc Loc)
Set the debug location information for this instruction.
Definition: Instruction.h:282
Value * CreateAShr(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1049
InsertPoint(BasicBlock *InsertBlock, BasicBlock::iterator InsertPoint)
Creates a new insertion point at the given location.
Definition: IRBuilder.h:178
IRBuilder(Instruction *IP, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:694
LLVM Basic Block Representation.
Definition: BasicBlock.h:59
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:46
This is an important class for using LLVM in a threaded context.
Definition: LLVMContext.h:69
ConstantInt * getTrue()
Get the constant value for i1 true.
Definition: IRBuilder.h:288
UnreachableInst * CreateUnreachable()
Definition: IRBuilder.h:863
Conditional or Unconditional Branch instruction.
static ExtractValueInst * Create(Value *Agg, ArrayRef< unsigned > Idxs, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
MDNode * getDefaultFPMathTag() const
Get the floating point math metadata being used.
Definition: IRBuilder.h:209
size_t size() const
size - Get the array size.
Definition: ArrayRef.h:149
This function has undefined behavior.
ConstantInt * getInt1(bool V)
Get a constant value representing either true or false.
Definition: IRBuilder.h:283
Value * CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:980
This is an important base class in LLVM.
Definition: Constant.h:42
InsertPoint saveIP() const
Returns the current insert point.
Definition: IRBuilder.h:189
Resume the propagation of an exception.
Value * CreateShl(Value *LHS, const APInt &RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1020
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Value * CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:968
Value * CreateSelect(Value *C, Value *True, Value *False, const Twine &Name="", Instruction *MDFrom=nullptr)
Definition: IRBuilder.h:1693
Indirect Branch Instruction.
Value * CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:945
Value * CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1585
Value * CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1, const Twine &Name="")
Definition: IRBuilder.h:1340
Value * CreateFPToUI(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1421
CallInst * CreateMaxNum(Value *LHS, Value *RHS, const Twine &Name="")
Create call to the maxnum intrinsic.
Definition: IRBuilder.h:639
LoadInst * CreateLoad(Type *Ty, Value *Ptr, const Twine &Name="")
Definition: IRBuilder.h:1174
static Type * getVoidTy(LLVMContext &C)
Definition: Type.cpp:161
CatchSwitchInst * CreateCatchSwitch(Value *ParentPad, BasicBlock *UnwindBB, unsigned NumHandlers, const Twine &Name="")
Definition: IRBuilder.h:841
VAArgInst * CreateVAArg(Value *List, Type *Ty, const Twine &Name="")
Definition: IRBuilder.h:1709
Value * CreateNeg(Value *V, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1124
This instruction compares its operands according to the predicate given to the constructor.
Predicate
This enumeration lists the possible predicates for CmpInst subclasses.
Definition: InstrTypes.h:853
IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:682
Value * CreateFRem(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1003
Value * CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1571
A specialization of it&#39;s base class for read-write access to a gc.statepoint.
Definition: Statepoint.h:319
0 1 1 1 True if ordered (no nans)
Definition: InstrTypes.h:862
static CastInst * CreatePointerBitCastOrAddrSpaceCast(Value *S, Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd)
Create a BitCast or an AddrSpaceCast cast instruction.
unsigned getAddressSpace() const
Return the address space of the Pointer type.
Definition: DerivedTypes.h:495
void clearFastMathFlags()
Clear the fast-math flags.
Definition: IRBuilder.h:215
CallInst * CreateCall(Function *Callee, ArrayRef< Value *> Args, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1688
Value * CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1550
self_iterator getIterator()
Definition: ilist_node.h:82
Class to represent integer types.
Definition: DerivedTypes.h:40
ConstantInt * getInt64(uint64_t C)
Get a constant 64-bit value.
Definition: IRBuilder.h:313
static CastInst * CreatePointerCast(Value *S, Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd)
Create a BitCast AddrSpaceCast, or a PtrToInt cast instruction.
IntegerType * getIntNTy(unsigned N)
Fetch the type representing an N-bit integer.
Definition: IRBuilder.h:361
Value * CreateExtractElement(Value *Vec, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1713
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, bool isVolatile, const Twine &Name="")
Definition: IRBuilder.h:1197
IRBuilderCallbackInserter(std::function< void(Instruction *)> Callback)
Definition: IRBuilder.h:78
void setAlignment(unsigned Align)
Constant * Insert(Constant *C, const Twine &="") const
No-op overload to handle constants.
Definition: IRBuilder.h:726
AtomicRMWInst * CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val, AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System)
Definition: IRBuilder.h:1222
NUW NUW NUW NUW Exact static Exact BinaryOperator * CreateNeg(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
Helper functions to construct and inspect unary operations (NEG and NOT) via binary operators SUB and...
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(std::shared_ptr< Module >, LLVMSharedModuleRef) namespace detail
static UndefValue * get(Type *T)
Static factory methods - Return an &#39;undef&#39; object of the specified type.
Definition: Constants.cpp:1319
Value * CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1040
This class represents the va_arg llvm instruction, which returns an argument of the specified type gi...
void SetInsertPoint(Instruction *I)
This specifies that created instructions should be inserted before the specified instruction.
Definition: IRBuilder.h:135
const T & getFolder()
Get the constant folder being used.
Definition: IRBuilder.h:715
Value * CreateExtractValue(Value *Agg, ArrayRef< unsigned > Idxs, const Twine &Name="")
Definition: IRBuilder.h:1755
static CastInst * CreateZExtOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a ZExt or BitCast cast instruction.
Value * CreateInvariantGroupBarrier(Value *Ptr)
Create an invariant.group.barrier intrinsic call, that stops optimizer to propagate equality using in...
Definition: IRBuilder.h:1816
static PointerType * getInt8PtrTy(LLVMContext &C, unsigned AS=0)
Definition: Type.cpp:220
PointerType * getInt8PtrTy(unsigned AddrSpace=0)
Fetch the type representing a pointer to an 8-bit integer value.
Definition: IRBuilder.h:386
1 1 0 1 True if unordered, less than, or equal
Definition: InstrTypes.h:868
void setMetadata(unsigned KindID, MDNode *Node)
Set the metadata of the specified kind to the specified node.
Definition: Metadata.cpp:1214
Value * CreateMul(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:937
Value * CreateTrunc(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1384
static IndirectBrInst * Create(Value *Address, unsigned NumDests, Instruction *InsertBefore=nullptr)
static InvokeInst * Create(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException, ArrayRef< Value *> Args, const Twine &NameStr, Instruction *InsertBefore=nullptr)
Value * CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1044
Value * CreateSRem(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:997
signed greater than
Definition: InstrTypes.h:880
Value * CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1633
Value * CreateUIToFP(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1427
Value * CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1589
Value * CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name="")
Definition: IRBuilder.h:1323
This provides the default implementation of the IRBuilder &#39;InsertHelper&#39; method that is called whenev...
Definition: IRBuilder.h:63
PHINode * CreatePHI(Type *Ty, unsigned NumReservedValues, const Twine &Name="")
Definition: IRBuilder.h:1658
Value * CreateGEP(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1227
Value * CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1593
0 0 1 0 True if ordered and greater than
Definition: InstrTypes.h:857
static BinaryOperator * CreateFNeg(Value *Op, const Twine &Name="", Instruction *InsertBefore=nullptr)
static Type * getHalfTy(LLVMContext &C)
Definition: Type.cpp:163
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
Definition: Type.h:224
const InstListType & getInstList() const
Return the underlying instruction list container.
Definition: BasicBlock.h:317
void setHasNoSignedWrap(bool b=true)
Set or clear the nsw flag on this instruction, which must be an operator which supports this flag...
static CastInst * CreateIntegerCast(Value *S, Type *Ty, bool isSigned, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a ZExt, BitCast, or Trunc for int -> int casts.
Value * CreateFAdd(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:907
This is the shared class of boolean and integer constants.
Definition: Constants.h:84
ResumeInst * CreateResume(Value *Exn)
Definition: IRBuilder.h:832
InsertPoint - A saved insertion point.
Definition: IRBuilder.h:169
static CleanupPadInst * Create(Value *ParentPad, ArrayRef< Value *> Args=None, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
static CatchSwitchInst * Create(Value *ParentPad, BasicBlock *UnwindDest, unsigned NumHandlers, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
iterator end()
Definition: BasicBlock.h:254
static SwitchInst * Create(Value *Value, BasicBlock *Default, unsigned NumCases, Instruction *InsertBefore=nullptr)
Value * CreateIsNull(Value *Arg, const Twine &Name="")
Return an i1 value testing if Arg is null.
Definition: IRBuilder.h:1782
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type...
Definition: Type.cpp:130
InvokeInst * CreateInvoke(Value *Callee, BasicBlock *NormalDest, BasicBlock *UnwindDest, ArrayRef< Value *> Args, ArrayRef< OperandBundleDef > OpBundles, const Twine &Name="")
Definition: IRBuilder.h:824
Value * CreateIntCast(Value *V, Type *DestTy, bool isSigned, const Twine &Name="")
Definition: IRBuilder.h:1511
Value * CreateNUWNeg(Value *V, const Twine &Name="")
Definition: IRBuilder.h:1136
Value * CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1559
1 1 0 0 True if unordered or less than
Definition: InstrTypes.h:867
Module.h This file contains the declarations for the Module class.
Value * CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1726
AddressSpace
Definition: NVPTXBaseInfo.h:22
signed less than
Definition: InstrTypes.h:882
IRBuilderBase(LLVMContext &context, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:104
Value * CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1605
ConstantInt * getInt32(uint32_t C)
Get a constant 32-bit value.
Definition: IRBuilder.h:308
static CastInst * CreateFPCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create an FPExt, BitCast, or FPTrunc for fp -> fp casts.
Value * CreateExtractElement(Value *Vec, uint64_t Idx, const Twine &Name="")
Definition: IRBuilder.h:1721
static IntegerType * getIntNTy(LLVMContext &C, unsigned N)
Definition: Type.cpp:180
Value * CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1601
Value * CreateShuffleVector(Value *V1, Value *V2, Value *Mask, const Twine &Name="")
Definition: IRBuilder.h:1740
static Constant * get(Type *Ty, uint64_t V, bool isSigned=false)
If Ty is a vector type, return a Constant with a splat of the given value.
Definition: Constants.cpp:559
static BranchInst * Create(BasicBlock *IfTrue, Instruction *InsertBefore=nullptr)
static PHINode * Create(Type *Ty, unsigned NumReservedValues, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Constructors - NumReservedValues is a hint for the number of incoming edges that this phi node will h...
#define NC
Definition: regutils.h:42
Value * CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name="")
Definition: IRBuilder.h:1331
Value * CreateURem(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:991
static ConstantInt * getTrue(LLVMContext &Context)
Definition: Constants.cpp:515
Value handle that asserts if the Value is deleted.
Definition: ValueHandle.h:238
ArrayRef< OperandBundleDef > DefaultOperandBundles
Definition: IRBuilder.h:101
FunctionType * getFunctionType() const
Returns the FunctionType for me.
Definition: Function.h:145
Value * CreateFPCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1533
Value * CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1079
signed less or equal
Definition: InstrTypes.h:883
Class for arbitrary precision integers.
Definition: APInt.h:69
BasicBlock::iterator getPoint() const
Definition: IRBuilder.h:185
Value * CreateGEP(Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1262
Value * CreateSDiv(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:971
Value * CreateUDiv(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:959
Value * CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:948
static BinaryOperator * Create(BinaryOps Op, Value *S1, Value *S2, const Twine &Name=Twine(), Instruction *InsertBefore=nullptr)
Construct a binary instruction, given the opcode and the two operands.
Value * CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1497
InstListType::iterator iterator
Instruction iterators...
Definition: BasicBlock.h:91
IntegerType * getInt8Ty()
Fetch the type representing an 8-bit integer.
Definition: IRBuilder.h:338
Value * CreateShl(Value *LHS, Value *RHS, const Twine &Name="", bool HasNUW=false, bool HasNSW=false)
Definition: IRBuilder.h:1012
Synchronized with respect to all concurrently executing threads.
Definition: LLVMContext.h:59
Value * CreatePointerCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1488
Value * CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1, const Twine &Name="")
Definition: IRBuilder.h:1352
static CatchPadInst * Create(Value *CatchSwitch, ArrayRef< Value *> Args, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
amdgpu Simplify well known AMD library false Value Value * Arg
ConstantInt * getFalse()
Get the constant value for i1 false.
Definition: IRBuilder.h:293
MDNode * DefaultFPMathTag
Definition: IRBuilder.h:98
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, const Twine &Name="")
Definition: IRBuilder.h:1191
IntegerType * getInt1Ty()
Fetch the type representing a single bit.
Definition: IRBuilder.h:333
Value * CreateBitOrPointerCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1520
SwitchInst * CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases=10, MDNode *BranchWeights=nullptr, MDNode *Unpredictable=nullptr)
Create a switch instruction with the specified value, default dest, and with a hint for the number of...
Definition: IRBuilder.h:802
Value * CreateTruncOrBitCast(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1472
Value * CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:926
ReturnInst * CreateRetVoid()
Create a &#39;ret void&#39; instruction.
Definition: IRBuilder.h:749
static CastInst * Create(Instruction::CastOps, Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Provides a way to construct any of the CastInst subclasses using an opcode instead of the subclass&#39;s ...
Value * CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1625
Value * CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name="")
Definition: IRBuilder.h:1265
Value * CreateGEP(Type *Ty, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1231
Provides an &#39;InsertHelper&#39; that calls a user-provided callback after performing the default insertion...
Definition: IRBuilder.h:74
iterator insert(iterator where, pointer New)
Definition: ilist.h:241
const DebugLoc & getDebugLoc() const
Return the debug location for this node as a DebugLoc.
Definition: Instruction.h:285
FenceInst * CreateFence(AtomicOrdering Ordering, SyncScope::ID SSID=SyncScope::System, const Twine &Name="")
Definition: IRBuilder.h:1209
CallInst * CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align, bool isVolatile=false, MDNode *TBAATag=nullptr, MDNode *TBAAStructTag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert a memcpy between the specified pointers.
Definition: IRBuilder.h:423
static IntegerType * getInt32Ty(LLVMContext &C)
Definition: Type.cpp:176
Value * CreateXor(Value *LHS, uint64_t RHS, const Twine &Name="")
Definition: IRBuilder.h:1108
static CastInst * CreateTruncOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a Trunc or BitCast cast instruction.
CatchPadInst * CreateCatchPad(Value *ParentPad, ArrayRef< Value *> Args, const Twine &Name="")
Definition: IRBuilder.h:848
unsigned greater or equal
Definition: InstrTypes.h:877
static InsertValueInst * Create(Value *Agg, Value *Val, ArrayRef< unsigned > Idxs, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
CleanupReturnInst * CreateCleanupRet(CleanupPadInst *CleanupPad, BasicBlock *UnwindBB=nullptr)
Definition: IRBuilder.h:836
const NodeList & List
Definition: RDFGraph.cpp:210
#define I(x, y, z)
Definition: MD5.cpp:58
#define N
Value * CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef< Value *> IdxList, const Twine &Name="")
Definition: IRBuilder.h:1248
0 1 1 0 True if ordered and operands are unequal
Definition: InstrTypes.h:861
Value * CreateConstInBoundsGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1, const Twine &Name="")
Definition: IRBuilder.h:1311
Value * CreateFPToSI(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1424
Type * getValueType() const
Definition: GlobalValue.h:267
void setDefaultFPMathTag(MDNode *FPMathTag)
Set the floating point math metadata to be used.
Definition: IRBuilder.h:218
static BinaryOperator * CreateNeg(Value *S1, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
Type * getFloatTy()
Fetch the type representing a 32-bit floating point value.
Definition: IRBuilder.h:371
1 0 1 0 True if unordered or greater than
Definition: InstrTypes.h:865
void InsertHelper(Instruction *I, const Twine &Name, BasicBlock *BB, BasicBlock::iterator InsertPt) const
Definition: IRBuilder.h:82
LandingPadInst * CreateLandingPad(Type *Ty, unsigned NumClauses, const Twine &Name="")
Definition: IRBuilder.h:1772
Value * CreateAnd(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1067
Value * CreatePtrToInt(Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1440
InstTy * Insert(InstTy *I, const Twine &Name="") const
Insert and return the specified instruction.
Definition: IRBuilder.h:719
void setHasNoUnsignedWrap(bool b=true)
Set or clear the nsw flag on this instruction, which must be an operator which supports this flag...
Multiway switch.
Value * CreateCast(Instruction::CastOps Op, Value *V, Type *DestTy, const Twine &Name="")
Definition: IRBuilder.h:1480
static CastInst * CreateSExtOrBitCast(Value *S, Type *Ty, const Twine &Name="", Instruction *InsertBefore=nullptr)
Create a SExt or BitCast cast instruction.
static GetElementPtrInst * CreateInBounds(Value *Ptr, ArrayRef< Value *> IdxList, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
Create an "inbounds" getelementptr.
Definition: Instructions.h:897
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
Value * CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1076
ReturnInst * CreateAggregateRet(Value *const *retVals, unsigned N)
Create a sequence of N insertvalue instructions, with one Value from the retVals array each...
Definition: IRBuilder.h:765
LoadInst * CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name)
Definition: IRBuilder.h:1186
static CatchReturnInst * Create(Value *CatchPad, BasicBlock *BB, Instruction *InsertBefore=nullptr)
0 0 0 1 True if ordered and equal
Definition: InstrTypes.h:856
LLVM Value Representation.
Definition: Value.h:73
void setAlignment(unsigned Align)
1 0 1 1 True if unordered, greater than, or equal
Definition: InstrTypes.h:866
uint64_t getTypeStoreSize(Type *Ty) const
Returns the maximum number of bytes that may be overwritten by storing the specified type...
Definition: DataLayout.h:386
BranchInst * CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False, Instruction *MDSrc)
Create a conditional &#39;br Cond, TrueDest, FalseDest&#39; instruction.
Definition: IRBuilder.h:788
constexpr char Size[]
Key for Kernel::Arg::Metadata::mSize.
BranchInst * CreateBr(BasicBlock *Dest)
Create an unconditional &#39;br label X&#39; instruction.
Definition: IRBuilder.h:773
static VectorType * get(Type *ElementType, unsigned NumElements)
This static method is the primary way to construct an VectorType.
Definition: Type.cpp:593
void copyMetadata(const Instruction &SrcInst, ArrayRef< unsigned > WL=ArrayRef< unsigned >())
Copy metadata from SrcInst to this instruction.
static CleanupReturnInst * Create(Value *CleanupPad, BasicBlock *UnwindBB=nullptr, Instruction *InsertBefore=nullptr)
std::underlying_type< E >::type Mask()
Get a bitmask with 1s in all places up to the high-order bit of E&#39;s largest value.
Definition: BitmaskEnum.h:81
void InsertHelper(Instruction *I, const Twine &Name, BasicBlock *BB, BasicBlock::iterator InsertPt) const
Definition: IRBuilder.h:65
void setFastMathFlags(FastMathFlags NewFMF)
Set the fast-math flags to be used with generated fp-math operators.
Definition: IRBuilder.h:221
BasicBlock::iterator GetInsertPoint() const
Definition: IRBuilder.h:123
Value * CreateLShr(Value *LHS, Value *RHS, const Twine &Name="", bool isExact=false)
Definition: IRBuilder.h:1031
Value * CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx, const Twine &Name="")
Definition: IRBuilder.h:1365
Invoke instruction.
Value * CreateFDiv(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:983
ConstantInt * getInt8(uint8_t C)
Get a constant 8-bit value.
Definition: IRBuilder.h:298
print Print MemDeps of function
Convenience struct for specifying and reasoning about fast-math flags.
Definition: Operator.h:160
unsigned greater than
Definition: InstrTypes.h:876
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:49
Value * CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:923
static bool isVolatile(Instruction *Inst)
CallInst * CreateElementUnorderedAtomicMemCpy(Value *Dst, unsigned DstAlign, Value *Src, unsigned SrcAlign, uint64_t Size, uint32_t ElementSize, MDNode *TBAATag=nullptr, MDNode *TBAAStructTag=nullptr, MDNode *ScopeTag=nullptr, MDNode *NoAliasTag=nullptr)
Create and insert an element unordered-atomic memcpy between the specified pointers.
Definition: IRBuilder.h:446
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:707
Value * CreateInsertValue(Value *Agg, Value *Val, ArrayRef< unsigned > Idxs, const Twine &Name="")
Definition: IRBuilder.h:1763
bool isBigEndian() const
Definition: DataLayout.h:217
static Constant * get(LLVMContext &Context, ArrayRef< uint8_t > Elts)
get() constructors - Return a constant with vector type with an element count and element type matchi...
Definition: Constants.cpp:2466
static ExtractElementInst * Create(Value *Vec, Value *Idx, const Twine &NameStr="", Instruction *InsertBefore=nullptr)
IRBuilder(LLVMContext &C, const T &F, Inserter I=Inserter(), MDNode *FPMathTag=nullptr, ArrayRef< OperandBundleDef > OpBundles=None)
Definition: IRBuilder.h:672
ConstantInt * getInt(const APInt &AI)
Get a constant integer value.
Definition: IRBuilder.h:324
static BinaryOperator * CreateMul(Value *S1, Value *S2, const Twine &Name, Instruction *InsertBefore, Value *FlagsOp)
Value * CreateFMul(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:951
BasicBlock * getBlock() const
Definition: IRBuilder.h:184
InvokeInst * CreateInvoke(Value *Callee, BasicBlock *NormalDest, BasicBlock *UnwindDest, ArrayRef< Value *> Args=None, const Twine &Name="")
Create an invoke instruction.
Definition: IRBuilder.h:817
0 0 1 1 True if ordered and greater than or equal
Definition: InstrTypes.h:858
Value * CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name="")
Definition: IRBuilder.h:1577
static IntegerType * getInt8Ty(LLVMContext &C)
Definition: Type.cpp:174
BasicBlock::iterator InsertPt
Definition: IRBuilder.h:95
constexpr char Args[]
Key for Kernel::Metadata::mArgs.
Value * CreateFNeg(Value *V, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1139
Type * getElementType() const
Definition: DerivedTypes.h:486
LLVM_READONLY APFloat minnum(const APFloat &A, const APFloat &B)
Implements IEEE minNum semantics.
Definition: APFloat.h:1227
Value * CreateOr(Value *LHS, const APInt &RHS, const Twine &Name="")
Definition: IRBuilder.h:1092
signed greater or equal
Definition: InstrTypes.h:881
const BasicBlock * getParent() const
Definition: Instruction.h:67
an instruction to allocate memory on the stack
Definition: Instructions.h:60
Value * CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1629
CallInst * CreateCall(Value *Callee, ArrayRef< Value *> Args=None, const Twine &Name="", MDNode *FPMathTag=nullptr)
Definition: IRBuilder.h:1663