LLVM  14.0.0git
TargetMachine.h
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1 //===-- llvm/Target/TargetMachine.h - Target Information --------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the TargetMachine and LLVMTargetMachine classes.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TARGET_TARGETMACHINE_H
14 #define LLVM_TARGET_TARGETMACHINE_H
15 
16 #include "llvm/ADT/Optional.h"
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/ADT/Triple.h"
19 #include "llvm/IR/DataLayout.h"
20 #include "llvm/IR/PassManager.h"
21 #include "llvm/Pass.h"
22 #include "llvm/Support/CodeGen.h"
23 #include "llvm/Support/Error.h"
27 #include <string>
28 
29 namespace llvm {
30 
31 class AAManager;
32 template <typename IRUnitT, typename AnalysisManagerT, typename... ExtraArgTs>
33 class PassManager;
34 using ModulePassManager = PassManager<Module>;
35 
36 class Function;
37 class GlobalValue;
38 class MachineFunctionPassManager;
39 class MachineFunctionAnalysisManager;
40 class MachineModuleInfoWrapperPass;
41 class Mangler;
42 class MCAsmInfo;
43 class MCContext;
44 class MCInstrInfo;
45 class MCRegisterInfo;
46 class MCStreamer;
47 class MCSubtargetInfo;
48 class MCSymbol;
49 class raw_pwrite_stream;
50 class PassBuilder;
51 class PassManagerBuilder;
52 struct PerFunctionMIParsingState;
53 class SMDiagnostic;
54 class SMRange;
55 class Target;
56 class TargetIntrinsicInfo;
57 class TargetIRAnalysis;
58 class TargetTransformInfo;
59 class TargetLoweringObjectFile;
60 class TargetPassConfig;
61 class TargetSubtargetInfo;
62 
63 // The old pass manager infrastructure is hidden in a legacy namespace now.
64 namespace legacy {
65 class PassManagerBase;
66 }
67 using legacy::PassManagerBase;
68 
69 namespace yaml {
70 struct MachineFunctionInfo;
71 }
72 
73 //===----------------------------------------------------------------------===//
74 ///
75 /// Primary interface to the complete machine description for the target
76 /// machine. All target-specific information should be accessible through this
77 /// interface.
78 ///
80 protected: // Can only create subclasses.
81  TargetMachine(const Target &T, StringRef DataLayoutString,
83  const TargetOptions &Options);
84 
85  /// The Target that this machine was created for.
86  const Target &TheTarget;
87 
88  /// DataLayout for the target: keep ABI type size and alignment.
89  ///
90  /// The DataLayout is created based on the string representation provided
91  /// during construction. It is kept here only to avoid reparsing the string
92  /// but should not really be used during compilation, because it has an
93  /// internal cache that is context specific.
94  const DataLayout DL;
95 
96  /// Triple string, CPU name, and target feature strings the TargetMachine
97  /// instance is created with.
99  std::string TargetCPU;
100  std::string TargetFS;
101 
105 
106  /// Contains target specific asm information.
107  std::unique_ptr<const MCAsmInfo> AsmInfo;
108  std::unique_ptr<const MCRegisterInfo> MRI;
109  std::unique_ptr<const MCInstrInfo> MII;
110  std::unique_ptr<const MCSubtargetInfo> STI;
111 
112  unsigned RequireStructuredCFG : 1;
113  unsigned O0WantsFastISel : 1;
114 
115  // PGO related tunables.
117 
118 public:
121 
122  TargetMachine(const TargetMachine &) = delete;
123  void operator=(const TargetMachine &) = delete;
124  virtual ~TargetMachine();
125 
126  const Target &getTarget() const { return TheTarget; }
127 
128  const Triple &getTargetTriple() const { return TargetTriple; }
129  StringRef getTargetCPU() const { return TargetCPU; }
131  void setTargetFeatureString(StringRef FS) { TargetFS = std::string(FS); }
132 
133  /// Virtual method implemented by subclasses that returns a reference to that
134  /// target's TargetSubtargetInfo-derived member variable.
135  virtual const TargetSubtargetInfo *getSubtargetImpl(const Function &) const {
136  return nullptr;
137  }
139  return nullptr;
140  }
141 
142  /// Allocate and return a default initialized instance of the YAML
143  /// representation for the MachineFunctionInfo.
145  return nullptr;
146  }
147 
148  /// Allocate and initialize an instance of the YAML representation of the
149  /// MachineFunctionInfo.
150  virtual yaml::MachineFunctionInfo *
152  return nullptr;
153  }
154 
155  /// Parse out the target's MachineFunctionInfo from the YAML reprsentation.
159  SMRange &SourceRange) const {
160  return false;
161  }
162 
163  /// This method returns a pointer to the specified type of
164  /// TargetSubtargetInfo. In debug builds, it verifies that the object being
165  /// returned is of the correct type.
166  template <typename STC> const STC &getSubtarget(const Function &F) const {
167  return *static_cast<const STC*>(getSubtargetImpl(F));
168  }
169 
170  /// Create a DataLayout.
171  const DataLayout createDataLayout() const { return DL; }
172 
173  /// Test if a DataLayout if compatible with the CodeGen for this target.
174  ///
175  /// The LLVM Module owns a DataLayout that is used for the target independent
176  /// optimizations and code generation. This hook provides a target specific
177  /// check on the validity of this DataLayout.
178  bool isCompatibleDataLayout(const DataLayout &Candidate) const {
179  return DL == Candidate;
180  }
181 
182  /// Get the pointer size for this target.
183  ///
184  /// This is the only time the DataLayout in the TargetMachine is used.
185  unsigned getPointerSize(unsigned AS) const {
186  return DL.getPointerSize(AS);
187  }
188 
189  unsigned getPointerSizeInBits(unsigned AS) const {
190  return DL.getPointerSizeInBits(AS);
191  }
192 
193  unsigned getProgramPointerSize() const {
195  }
196 
197  unsigned getAllocaPointerSize() const {
199  }
200 
201  /// Reset the target options based on the function's attributes.
202  // FIXME: Remove TargetOptions that affect per-function code generation
203  // from TargetMachine.
204  void resetTargetOptions(const Function &F) const;
205 
206  /// Return target specific asm information.
207  const MCAsmInfo *getMCAsmInfo() const { return AsmInfo.get(); }
208 
209  const MCRegisterInfo *getMCRegisterInfo() const { return MRI.get(); }
210  const MCInstrInfo *getMCInstrInfo() const { return MII.get(); }
211  const MCSubtargetInfo *getMCSubtargetInfo() const { return STI.get(); }
212 
213  /// If intrinsic information is available, return it. If not, return null.
214  virtual const TargetIntrinsicInfo *getIntrinsicInfo() const {
215  return nullptr;
216  }
217 
220 
221  /// Returns the code generation relocation model. The choices are static, PIC,
222  /// and dynamic-no-pic, and target default.
224 
225  /// Returns the code model. The choices are small, kernel, medium, large, and
226  /// target default.
228 
229  bool isPositionIndependent() const;
230 
231  bool shouldAssumeDSOLocal(const Module &M, const GlobalValue *GV) const;
232 
233  /// Returns true if this target uses emulated TLS.
234  bool useEmulatedTLS() const;
235 
236  /// Returns the TLS model which should be used for the given global variable.
237  TLSModel::Model getTLSModel(const GlobalValue *GV) const;
238 
239  /// Returns the optimization level: None, Less, Default, or Aggressive.
241 
242  /// Overrides the optimization level.
244 
245  void setFastISel(bool Enable) { Options.EnableFastISel = Enable; }
247  void setO0WantsFastISel(bool Enable) { O0WantsFastISel = Enable; }
248  void setGlobalISel(bool Enable) { Options.EnableGlobalISel = Enable; }
251  }
252  void setMachineOutliner(bool Enable) {
254  }
255  void setSupportsDefaultOutlining(bool Enable) {
257  }
258  void setSupportsDebugEntryValues(bool Enable) {
260  }
261 
264  }
265 
267 
268  /// Return true if unique basic block section names must be generated.
271  }
272 
273  /// Return true if data objects should be emitted into their own section,
274  /// corresponds to -fdata-sections.
275  bool getDataSections() const {
276  return Options.DataSections;
277  }
278 
279  /// Return true if functions should be emitted into their own section,
280  /// corresponding to -ffunction-sections.
281  bool getFunctionSections() const {
282  return Options.FunctionSections;
283  }
284 
285  /// Return true if visibility attribute should not be emitted in XCOFF,
286  /// corresponding to -mignore-xcoff-visibility.
289  }
290 
291  /// Return true if XCOFF traceback table should be emitted,
292  /// corresponding to -xcoff-traceback-table.
294 
295  /// If basic blocks should be emitted into their own section,
296  /// corresponding to -fbasic-block-sections.
298  return Options.BBSections;
299  }
300 
301  /// Get the list of functions and basic block ids that need unique sections.
303  return Options.BBSectionsFuncListBuf.get();
304  }
305 
306  /// Returns true if a cast between SrcAS and DestAS is a noop.
307  virtual bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const {
308  return false;
309  }
310 
311  void setPGOOption(Optional<PGOOptions> PGOOpt) { PGOOption = PGOOpt; }
312  const Optional<PGOOptions> &getPGOOption() const { return PGOOption; }
313 
314  /// If the specified generic pointer could be assumed as a pointer to a
315  /// specific address space, return that address space.
316  ///
317  /// Under offloading programming, the offloading target may be passed with
318  /// values only prepared on the host side and could assume certain
319  /// properties.
320  virtual unsigned getAssumedAddrSpace(const Value *V) const { return -1; }
321 
322  /// Get a \c TargetIRAnalysis appropriate for the target.
323  ///
324  /// This is used to construct the new pass manager's target IR analysis pass,
325  /// set up appropriately for this target machine. Even the old pass manager
326  /// uses this to answer queries about the IR.
328 
329  /// Return a TargetTransformInfo for a given function.
330  ///
331  /// The returned TargetTransformInfo is specialized to the subtarget
332  /// corresponding to \p F.
334 
335  /// Allow the target to modify the pass manager, e.g. by calling
336  /// PassManagerBuilder::addExtension.
338 
339  /// Allow the target to modify the pass pipeline with New Pass Manager
340  /// (similar to adjustPassManager for Legacy Pass manager).
342 
343  /// Allow the target to register alias analyses with the AAManager for use
344  /// with the new pass manager. Only affects the "default" AAManager.
346 
347  /// Add passes to the specified pass manager to get the specified file
348  /// emitted. Typically this will involve several steps of code generation.
349  /// This method should return true if emission of this file type is not
350  /// supported, or false on success.
351  /// \p MMIWP is an optional parameter that, if set to non-nullptr,
352  /// will be used to set the MachineModuloInfo for this PM.
353  virtual bool
356  bool /*DisableVerify*/ = true,
357  MachineModuleInfoWrapperPass *MMIWP = nullptr) {
358  return true;
359  }
360 
361  /// Add passes to the specified pass manager to get machine code emitted with
362  /// the MCJIT. This method returns true if machine code is not supported. It
363  /// fills the MCContext Ctx pointer which can be used to build custom
364  /// MCStreamer.
365  ///
368  bool /*DisableVerify*/ = true) {
369  return true;
370  }
371 
372  /// True if subtarget inserts the final scheduling pass on its own.
373  ///
374  /// Branch relaxation, which must happen after block placement, can
375  /// on some targets (e.g. SystemZ) expose additional post-RA
376  /// scheduling opportunities.
377  virtual bool targetSchedulesPostRAScheduling() const { return false; };
378 
380  Mangler &Mang, bool MayAlwaysUsePrivate = false) const;
381  MCSymbol *getSymbol(const GlobalValue *GV) const;
382 
383  /// The integer bit size to use for SjLj based exception handling.
384  static constexpr unsigned DefaultSjLjDataSize = 32;
385  virtual unsigned getSjLjDataSize() const { return DefaultSjLjDataSize; }
386 
387  static std::pair<int, int> parseBinutilsVersion(StringRef Version);
388 };
389 
390 /// This class describes a target machine that is implemented with the LLVM
391 /// target-independent code generator.
392 ///
394 protected: // Can only create subclasses.
395  LLVMTargetMachine(const Target &T, StringRef DataLayoutString,
396  const Triple &TT, StringRef CPU, StringRef FS,
399 
400  void initAsmInfo();
401 
402 public:
403  /// Get a TargetTransformInfo implementation for the target.
404  ///
405  /// The TTI returned uses the common code generator to answer queries about
406  /// the IR.
408 
409  /// Create a pass configuration object to be used by addPassToEmitX methods
410  /// for generating a pipeline of CodeGen passes.
412 
413  /// Add passes to the specified pass manager to get the specified file
414  /// emitted. Typically this will involve several steps of code generation.
415  /// \p MMIWP is an optional parameter that, if set to non-nullptr,
416  /// will be used to set the MachineModuloInfo for this PM.
417  bool
420  bool DisableVerify = true,
421  MachineModuleInfoWrapperPass *MMIWP = nullptr) override;
422 
429  return make_error<StringError>("buildCodeGenPipeline is not overriden",
431  }
432 
433  virtual std::pair<StringRef, bool> getPassNameFromLegacyName(StringRef) {
435  "getPassNameFromLegacyName parseMIRPipeline is not overriden");
436  }
437 
438  /// Add passes to the specified pass manager to get machine code emitted with
439  /// the MCJIT. This method returns true if machine code is not supported. It
440  /// fills the MCContext Ctx pointer which can be used to build custom
441  /// MCStreamer.
443  raw_pwrite_stream &Out,
444  bool DisableVerify = true) override;
445 
446  /// Returns true if the target is expected to pass all machine verifier
447  /// checks. This is a stopgap measure to fix targets one by one. We will
448  /// remove this at some point and always enable the verifier when
449  /// EXPENSIVE_CHECKS is enabled.
450  virtual bool isMachineVerifierClean() const { return true; }
451 
452  /// Adds an AsmPrinter pass to the pipeline that prints assembly or
453  /// machine code from the MI representation.
456  MCContext &Context);
457 
461 
462  /// True if the target uses physical regs (as nearly all targets do). False
463  /// for stack machines such as WebAssembly and other virtual-register
464  /// machines. If true, all vregs must be allocated before PEI. If false, then
465  /// callee-save register spilling and scavenging are not needed or used. If
466  /// false, implicitly defined registers will still be assumed to be physical
467  /// registers, except that variadic defs will be allocated vregs.
468  virtual bool usesPhysRegsForValues() const { return true; }
469 
470  /// True if the target wants to use interprocedural register allocation by
471  /// default. The -enable-ipra flag can be used to override this.
472  virtual bool useIPRA() const {
473  return false;
474  }
475 };
476 
477 /// Helper method for getting the code model, returning Default if
478 /// CM does not have a value. The tiny and kernel models will produce
479 /// an error, so targets that support them or require more complex codemodel
480 /// selection logic should implement and call their own getEffectiveCodeModel.
482  CodeModel::Model Default) {
483  if (CM) {
484  // By default, targets do not support the tiny and kernel models.
485  if (*CM == CodeModel::Tiny)
486  report_fatal_error("Target does not support the tiny CodeModel", false);
487  if (*CM == CodeModel::Kernel)
488  report_fatal_error("Target does not support the kernel CodeModel", false);
489  return *CM;
490  }
491  return Default;
492 }
493 
494 } // end namespace llvm
495 
496 #endif // LLVM_TARGET_TARGETMACHINE_H
llvm::TargetMachine::requiresStructuredCFG
bool requiresStructuredCFG() const
Definition: TargetMachine.h:218
llvm::TargetMachine::getOptLevel
CodeGenOpt::Level getOptLevel() const
Returns the optimization level: None, Less, Default, or Aggressive.
Definition: TargetMachine.cpp:185
llvm::AAManager
A manager for alias analyses.
Definition: AliasAnalysis.h:1288
llvm::TargetIRAnalysis
Analysis pass providing the TargetTransformInfo.
Definition: TargetTransformInfo.h:2331
llvm::TargetMachine::getPointerSizeInBits
unsigned getPointerSizeInBits(unsigned AS) const
Definition: TargetMachine.h:189
llvm
This file implements support for optimizing divisions by a constant.
Definition: AllocatorList.h:23
llvm::MCSymbol
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
llvm::TargetMachine::STI
std::unique_ptr< const MCSubtargetInfo > STI
Definition: TargetMachine.h:110
Optional.h
llvm::DataLayout
A parsed version of the target data layout string in and methods for querying it.
Definition: DataLayout.h:113
llvm::TargetMachine::useEmulatedTLS
bool useEmulatedTLS() const
Returns true if this target uses emulated TLS.
Definition: TargetMachine.cpp:149
llvm::TargetMachine::getUniqueBasicBlockSectionNames
bool getUniqueBasicBlockSectionNames() const
Return true if unique basic block section names must be generated.
Definition: TargetMachine.h:269
llvm::TargetOptions
Definition: TargetOptions.h:124
llvm::TargetMachine::targetSchedulesPostRAScheduling
virtual bool targetSchedulesPostRAScheduling() const
True if subtarget inserts the final scheduling pass on its own.
Definition: TargetMachine.h:377
llvm::DataLayout::getProgramAddressSpace
unsigned getProgramAddressSpace() const
Definition: DataLayout.h:294
llvm::MCContext
Context object for machine code objects.
Definition: MCContext.h:72
llvm::Function
Definition: Function.h:62
StringRef.h
Pass.h
llvm::TargetMachine::createDataLayout
const DataLayout createDataLayout() const
Create a DataLayout.
Definition: TargetMachine.h:171
llvm::LLVMTargetMachine::usesPhysRegsForValues
virtual bool usesPhysRegsForValues() const
True if the target uses physical regs (as nearly all targets do).
Definition: TargetMachine.h:468
llvm::TargetOptions::EnableAIXExtendedAltivecABI
unsigned EnableAIXExtendedAltivecABI
EnableAIXExtendedAltivecABI - This flag returns true when -vec-extabi is specified.
Definition: TargetOptions.h:196
llvm::yaml::MachineFunctionInfo
Targets should override this in a way that mirrors the implementation of llvm::MachineFunctionInfo.
Definition: MIRYamlMapping.h:673
llvm::TargetMachine::TheTarget
const Target & TheTarget
The Target that this machine was created for.
Definition: TargetMachine.h:86
llvm::MCAsmInfo
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:56
llvm::Target
Target - Wrapper for Target specific information.
Definition: TargetRegistry.h:137
llvm::LLVMTargetMachine::buildCodeGenPipeline
virtual Error buildCodeGenPipeline(ModulePassManager &, MachineFunctionPassManager &, MachineFunctionAnalysisManager &, raw_pwrite_stream &, raw_pwrite_stream *, CodeGenFileType, CGPassBuilderOption, PassInstrumentationCallbacks *)
Definition: TargetMachine.h:423
llvm::TargetMachine::getO0WantsFastISel
bool getO0WantsFastISel()
Definition: TargetMachine.h:246
llvm::TargetMachine::getMCRegisterInfo
const MCRegisterInfo * getMCRegisterInfo() const
Definition: TargetMachine.h:209
llvm::TargetTransformInfo
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Definition: TargetTransformInfo.h:168
llvm::LLVMTargetMachine::createPassConfig
virtual TargetPassConfig * createPassConfig(PassManagerBase &PM)
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
Definition: TargetPassConfig.cpp:658
llvm::TargetOptions::BBSectionsFuncListBuf
std::shared_ptr< MemoryBuffer > BBSectionsFuncListBuf
Memory Buffer that contains information on sampled basic blocks and used to selectively generate basi...
Definition: TargetOptions.h:313
CGPassBuilderOption.h
Error.h
llvm::Triple
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:45
llvm::TargetOptions::BBSections
BasicBlockSection BBSections
Emit basic blocks into separate sections.
Definition: TargetOptions.h:309
llvm::TargetMachine::getRelocationModel
Reloc::Model getRelocationModel() const
Returns the code generation relocation model.
Definition: TargetMachine.cpp:70
llvm::TargetMachine::setSupportsDefaultOutlining
void setSupportsDefaultOutlining(bool Enable)
Definition: TargetMachine.h:255
llvm::LLVMTargetMachine::getTargetTransformInfo
TargetTransformInfo getTargetTransformInfo(const Function &F) override
Get a TargetTransformInfo implementation for the target.
Definition: LLVMTargetMachine.cpp:102
llvm::TargetMachine::MII
std::unique_ptr< const MCInstrInfo > MII
Definition: TargetMachine.h:109
llvm::LLVMTargetMachine::isMachineVerifierClean
virtual bool isMachineVerifierClean() const
Returns true if the target is expected to pass all machine verifier checks.
Definition: TargetMachine.h:450
llvm::TargetMachine::getUniqueSectionNames
bool getUniqueSectionNames() const
Definition: TargetMachine.h:266
llvm::TargetMachine::RM
Reloc::Model RM
Definition: TargetMachine.h:102
llvm::AMDGPU::Exp::Target
Target
Definition: SIDefines.h:742
llvm::Optional
Definition: APInt.h:33
T
#define T
Definition: Mips16ISelLowering.cpp:341
llvm::Expected
Tagged union holding either a T or a Error.
Definition: APFloat.h:42
llvm::CodeModel::Kernel
@ Kernel
Definition: CodeGen.h:28
llvm::Mangler
Definition: Mangler.h:27
llvm::TargetMachine::registerPassBuilderCallbacks
virtual void registerPassBuilderCallbacks(PassBuilder &)
Allow the target to modify the pass pipeline with New Pass Manager (similar to adjustPassManager for ...
Definition: TargetMachine.h:341
llvm::MemoryBuffer
This interface provides simple read-only access to a block of memory, and provides simple methods for...
Definition: MemoryBuffer.h:50
llvm::TargetMachine::getXCOFFTracebackTable
bool getXCOFFTracebackTable() const
Return true if XCOFF traceback table should be emitted, corresponding to -xcoff-traceback-table.
Definition: TargetMachine.h:293
F
#define F(x, y, z)
Definition: MD5.cpp:56
llvm::TargetIntrinsicInfo
TargetIntrinsicInfo - Interface to description of machine instruction set.
Definition: TargetIntrinsicInfo.h:29
llvm::TargetMachine::createDefaultFuncInfoYAML
virtual yaml::MachineFunctionInfo * createDefaultFuncInfoYAML() const
Allocate and return a default initialized instance of the YAML representation for the MachineFunction...
Definition: TargetMachine.h:144
llvm::Reloc::Model
Model
Definition: CodeGen.h:22
llvm::TargetLoweringObjectFile
Definition: TargetLoweringObjectFile.h:43
Context
LLVMContext & Context
Definition: NVVMIntrRange.cpp:66
llvm::TargetMachine::operator=
void operator=(const TargetMachine &)=delete
llvm::TargetMachine::getProgramPointerSize
unsigned getProgramPointerSize() const
Definition: TargetMachine.h:193
llvm::TargetMachine::DefaultSjLjDataSize
static constexpr unsigned DefaultSjLjDataSize
The integer bit size to use for SjLj based exception handling.
Definition: TargetMachine.h:384
llvm::TargetMachine::setMachineOutliner
void setMachineOutliner(bool Enable)
Definition: TargetMachine.h:252
llvm::TargetOptions::UniqueSectionNames
unsigned UniqueSectionNames
Definition: TargetOptions.h:268
llvm::TargetMachine::getFunctionSections
bool getFunctionSections() const
Return true if functions should be emitted into their own section, corresponding to -ffunction-sectio...
Definition: TargetMachine.h:281
llvm::TargetMachine::getIntrinsicInfo
virtual const TargetIntrinsicInfo * getIntrinsicInfo() const
If intrinsic information is available, return it. If not, return null.
Definition: TargetMachine.h:214
llvm::TargetOptions::SupportsDefaultOutlining
unsigned SupportsDefaultOutlining
Set if the target supports default outlining behaviour.
Definition: TargetOptions.h:303
llvm::PassBuilder
This class provides access to building LLVM's passes.
Definition: PassBuilder.h:84
llvm::SMDiagnostic
Instances of this class encapsulate one diagnostic report, allowing printing to a raw_ostream as a ca...
Definition: SourceMgr.h:251
llvm::TargetMachine::parseBinutilsVersion
static std::pair< int, int > parseBinutilsVersion(StringRef Version)
Definition: TargetMachine.cpp:224
llvm::CodeModel::Small
@ Small
Definition: CodeGen.h:28
llvm::X86AS::FS
@ FS
Definition: X86.h:188
llvm::TargetMachine::getAssumedAddrSpace
virtual unsigned getAssumedAddrSpace(const Value *V) const
If the specified generic pointer could be assumed as a pointer to a specific address space,...
Definition: TargetMachine.h:320
llvm::report_fatal_error
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
Definition: Error.cpp:140
llvm::LLVMTargetMachine::addPassesToEmitFile
bool addPassesToEmitFile(PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, bool DisableVerify=true, MachineModuleInfoWrapperPass *MMIWP=nullptr) override
Add passes to the specified pass manager to get the specified file emitted.
Definition: LLVMTargetMachine.cpp:212
llvm::TargetMachine::parseMachineFunctionInfo
virtual bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &, PerFunctionMIParsingState &PFS, SMDiagnostic &Error, SMRange &SourceRange) const
Parse out the target's MachineFunctionInfo from the YAML reprsentation.
Definition: TargetMachine.h:156
llvm::IndexedInstrProf::Version
const uint64_t Version
Definition: InstrProf.h:991
llvm::CGPassBuilderOption
Definition: CGPassBuilderOption.h:30
llvm::TargetMachine::getSymbol
MCSymbol * getSymbol(const GlobalValue *GV) const
Definition: TargetMachine.cpp:206
llvm::ModulePassManager
PassManager< Module > ModulePassManager
Convenience typedef for a pass manager over modules.
Definition: PassManager.h:591
llvm::TargetMachine::TargetFS
std::string TargetFS
Definition: TargetMachine.h:100
llvm::MachineFunctionAnalysisManager
An AnalysisManager<MachineFunction> that also exposes IR analysis results.
Definition: MachinePassManager.h:39
llvm::TargetMachine::addPassesToEmitMC
virtual bool addPassesToEmitMC(PassManagerBase &, MCContext *&, raw_pwrite_stream &, bool=true)
Add passes to the specified pass manager to get machine code emitted with the MCJIT.
Definition: TargetMachine.h:366
llvm::None
const NoneType None
Definition: None.h:23
llvm::TargetMachine::setPGOOption
void setPGOOption(Optional< PGOOptions > PGOOpt)
Definition: TargetMachine.h:311
llvm::TargetMachine::resetTargetOptions
void resetTargetOptions(const Function &F) const
Reset the target options based on the function's attributes.
Definition: TargetMachine.cpp:56
llvm::TargetMachine::O0WantsFastISel
unsigned O0WantsFastISel
Definition: TargetMachine.h:113
llvm::TargetMachine::getMCInstrInfo
const MCInstrInfo * getMCInstrInfo() const
Definition: TargetMachine.h:210
llvm::TargetMachine::isPositionIndependent
bool isPositionIndependent() const
Definition: TargetMachine.cpp:44
llvm::PassManagerBuilder
PassManagerBuilder - This class is used to set up a standard optimization sequence for languages like...
Definition: PassManagerBuilder.h:59
llvm::MachO::FileType
FileType
Defines the file type this file represents.
Definition: InterfaceFile.h:57
llvm::CodeModel::Model
Model
Definition: CodeGen.h:28
llvm::TargetPassConfig
Target-Independent Code Generator Pass Configuration Options.
Definition: TargetPassConfig.h:84
llvm::LLVMTargetMachine::addPassesToEmitMC
bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx, raw_pwrite_stream &Out, bool DisableVerify=true) override
Add passes to the specified pass manager to get machine code emitted with the MCJIT.
Definition: LLVMTargetMachine.cpp:242
llvm::TargetOptions::EnableGlobalISel
unsigned EnableGlobalISel
EnableGlobalISel - This flag enables global instruction selection.
Definition: TargetOptions.h:233
llvm::TargetMachine::getAIXExtendedAltivecABI
bool getAIXExtendedAltivecABI() const
Definition: TargetMachine.h:262
llvm::TargetMachine::TargetTriple
Triple TargetTriple
Triple string, CPU name, and target feature strings the TargetMachine instance is created with.
Definition: TargetMachine.h:98
llvm::LLVMTargetMachine::LLVMTargetMachine
LLVMTargetMachine(const Target &T, StringRef DataLayoutString, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL)
Definition: LLVMTargetMachine.cpp:86
llvm::GlobalValue
Definition: GlobalValue.h:44
llvm::TargetMachine::DL
const DataLayout DL
DataLayout for the target: keep ABI type size and alignment.
Definition: TargetMachine.h:94
llvm::TargetMachine::isNoopAddrSpaceCast
virtual bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const
Returns true if a cast between SrcAS and DestAS is a noop.
Definition: TargetMachine.h:307
llvm::TargetMachine::setO0WantsFastISel
void setO0WantsFastISel(bool Enable)
Definition: TargetMachine.h:247
llvm::CodeGenOpt::Default
@ Default
Definition: CodeGen.h:55
llvm::TargetMachine::getTargetIRAnalysis
TargetIRAnalysis getTargetIRAnalysis()
Get a TargetIRAnalysis appropriate for the target.
Definition: TargetMachine.cpp:217
llvm::TargetMachine::DefaultOptions
const TargetOptions DefaultOptions
Definition: TargetMachine.h:119
llvm::TargetMachine::isCompatibleDataLayout
bool isCompatibleDataLayout(const DataLayout &Candidate) const
Test if a DataLayout if compatible with the CodeGen for this target.
Definition: TargetMachine.h:178
llvm::TargetOptions::SupportsDebugEntryValues
unsigned SupportsDebugEntryValues
Set if the target supports the debug entry values by default.
Definition: TargetOptions.h:320
llvm::TargetMachine::setRequiresStructuredCFG
void setRequiresStructuredCFG(bool Value)
Definition: TargetMachine.h:219
llvm::raw_pwrite_stream
An abstract base class for streams implementations that also support a pwrite operation.
Definition: raw_ostream.h:417
llvm::MachineModuleInfoWrapperPass
Definition: MachineModuleInfo.h:279
llvm::TargetMachine::PGOOption
Optional< PGOOptions > PGOOption
Definition: TargetMachine.h:116
llvm::TargetMachine::getMCSubtargetInfo
const MCSubtargetInfo * getMCSubtargetInfo() const
Definition: TargetMachine.h:211
llvm::TargetMachine::OptLevel
CodeGenOpt::Level OptLevel
Definition: TargetMachine.h:104
llvm::TargetMachine::getTLSModel
TLSModel::Model getTLSModel(const GlobalValue *GV) const
Returns the TLS model which should be used for the given global variable.
Definition: TargetMachine.cpp:157
Enable
@ Enable
Definition: DwarfDebug.cpp:88
llvm::TargetMachine::Options
TargetOptions Options
Definition: TargetMachine.h:120
llvm::TargetMachine::registerDefaultAliasAnalyses
virtual void registerDefaultAliasAnalyses(AAManager &)
Allow the target to register alias analyses with the AAManager for use with the new pass manager.
Definition: TargetMachine.h:345
llvm::TargetMachine::TargetMachine
TargetMachine(const Target &T, StringRef DataLayoutString, const Triple &TargetTriple, StringRef CPU, StringRef FS, const TargetOptions &Options)
Definition: TargetMachine.cpp:34
llvm::TargetMachine
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:79
Mode
SI Whole Quad Mode
Definition: SIWholeQuadMode.cpp:262
llvm::TargetMachine::getObjFileLowering
virtual TargetLoweringObjectFile * getObjFileLowering() const
Definition: TargetMachine.h:138
llvm::Module
A Module instance is used to store all the information related to an LLVM module.
Definition: Module.h:67
llvm::TargetMachine::setTargetFeatureString
void setTargetFeatureString(StringRef FS)
Definition: TargetMachine.h:131
llvm::GlobalISelAbortMode
GlobalISelAbortMode
Enable abort calls when global instruction selection fails to lower/select an instruction.
Definition: TargetOptions.h:107
llvm::TargetOptions::EnableFastISel
unsigned EnableFastISel
EnableFastISel - This flag enables fast-path instruction selection which trades away generated code q...
Definition: TargetOptions.h:230
llvm::TargetMachine::getIgnoreXCOFFVisibility
bool getIgnoreXCOFFVisibility() const
Return true if visibility attribute should not be emitted in XCOFF, corresponding to -mignore-xcoff-v...
Definition: TargetMachine.h:287
llvm::MachineFunction
Definition: MachineFunction.h:230
Triple.h
llvm::TargetOptions::IgnoreXCOFFVisibility
unsigned IgnoreXCOFFVisibility
Do not emit visibility attribute for xcoff.
Definition: TargetOptions.h:263
TargetOptions.h
llvm::TargetMachine::getMCAsmInfo
const MCAsmInfo * getMCAsmInfo() const
Return target specific asm information.
Definition: TargetMachine.h:207
DataLayout.h
llvm::CodeGenFileType
CodeGenFileType
These enums are meant to be passed into addPassesToEmitFile to indicate what type of file to emit,...
Definition: CodeGen.h:63
llvm::StringRef
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:58
llvm_unreachable
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
Definition: ErrorHandling.h:134
llvm::Reloc::Static
@ Static
Definition: CodeGen.h:22
llvm::TargetMachine::addPassesToEmitFile
virtual bool addPassesToEmitFile(PassManagerBase &, raw_pwrite_stream &, raw_pwrite_stream *, CodeGenFileType, bool=true, MachineModuleInfoWrapperPass *MMIWP=nullptr)
Add passes to the specified pass manager to get the specified file emitted.
Definition: TargetMachine.h:354
llvm::TargetMachine::getTargetFeatureString
StringRef getTargetFeatureString() const
Definition: TargetMachine.h:130
llvm::PICLevel::Level
Level
Definition: CodeGen.h:33
llvm::TargetMachine::shouldAssumeDSOLocal
bool shouldAssumeDSOLocal(const Module &M, const GlobalValue *GV) const
Definition: TargetMachine.cpp:94
llvm::CodeGenOpt::Level
Level
Definition: CodeGen.h:52
llvm::MCRegisterInfo
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
Definition: MCRegisterInfo.h:135
llvm::TargetMachine::setFastISel
void setFastISel(bool Enable)
Definition: TargetMachine.h:245
llvm::DataLayout::getAllocaAddrSpace
unsigned getAllocaAddrSpace() const
Definition: DataLayout.h:281
llvm::CodeModel::Tiny
@ Tiny
Definition: CodeGen.h:28
llvm::getEffectiveCodeModel
CodeModel::Model getEffectiveCodeModel(Optional< CodeModel::Model > CM, CodeModel::Model Default)
Helper method for getting the code model, returning Default if CM does not have a value.
Definition: TargetMachine.h:481
llvm::TargetSubtargetInfo
TargetSubtargetInfo - Generic base class for all target subtargets.
Definition: TargetSubtargetInfo.h:59
llvm::TargetMachine::getPGOOption
const Optional< PGOOptions > & getPGOOption() const
Definition: TargetMachine.h:312
llvm::LLVMTargetMachine::initAsmInfo
void initAsmInfo()
Definition: LLVMTargetMachine.cpp:41
llvm::TargetOptions::XCOFFTracebackTable
unsigned XCOFFTracebackTable
Emit XCOFF traceback table.
Definition: TargetOptions.h:266
llvm::PassManager< Module >
llvm::PerFunctionMIParsingState
Definition: MIParser.h:162
llvm::TargetMachine::convertFuncInfoToYAML
virtual yaml::MachineFunctionInfo * convertFuncInfoToYAML(const MachineFunction &MF) const
Allocate and initialize an instance of the YAML representation of the MachineFunctionInfo.
Definition: TargetMachine.h:151
llvm::MCInstrInfo
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:25
llvm::TargetMachine::RequireStructuredCFG
unsigned RequireStructuredCFG
Definition: TargetMachine.h:112
llvm::GraphProgram::Name
Name
Definition: GraphWriter.h:52
llvm::TargetMachine::getTargetTransformInfo
virtual TargetTransformInfo getTargetTransformInfo(const Function &F)
Return a TargetTransformInfo for a given function.
Definition: TargetMachine.cpp:189
llvm::inconvertibleErrorCode
std::error_code inconvertibleErrorCode()
The value returned by this function can be returned from convertToErrorCode for Error values where no...
Definition: Error.cpp:77
llvm::TargetMachine::getNameWithPrefix
void getNameWithPrefix(SmallVectorImpl< char > &Name, const GlobalValue *GV, Mangler &Mang, bool MayAlwaysUsePrivate=false) const
Definition: TargetMachine.cpp:193
llvm::TargetMachine::setGlobalISelAbort
void setGlobalISelAbort(GlobalISelAbortMode Mode)
Definition: TargetMachine.h:249
llvm::TargetOptions::UniqueBasicBlockSectionNames
unsigned UniqueBasicBlockSectionNames
Use unique names for basic block sections.
Definition: TargetOptions.h:271
llvm::TargetOptions::GlobalISelAbort
GlobalISelAbortMode GlobalISelAbort
EnableGlobalISelAbort - Control abort behaviour when global instruction selection fails to lower/sele...
Definition: TargetOptions.h:237
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition: Error.h:157
llvm::TargetMachine::adjustPassManager
virtual void adjustPassManager(PassManagerBuilder &)
Allow the target to modify the pass manager, e.g.
Definition: TargetMachine.h:337
PGOOptions.h
llvm::TargetStackID::Value
Value
Definition: TargetFrameLowering.h:27
PassManager.h
llvm::TargetOptions::DataSections
unsigned DataSections
Emit data into separate sections.
Definition: TargetOptions.h:260
llvm::TargetMachine::getCodeModel
CodeModel::Model getCodeModel() const
Returns the code model.
Definition: TargetMachine.cpp:74
llvm::LLVMTargetMachine
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Definition: TargetMachine.h:393
llvm::TLSModel::Model
Model
Definition: CodeGen.h:42
llvm::TargetMachine::setGlobalISel
void setGlobalISel(bool Enable)
Definition: TargetMachine.h:248
llvm::TargetOptions::EnableMachineOutliner
unsigned EnableMachineOutliner
Enables the MachineOutliner pass.
Definition: TargetOptions.h:297
llvm::MachineFunctionPassManager
MachineFunctionPassManager adds/removes below features to/from the base PassManager template instanti...
Definition: MachinePassManager.h:130
llvm::TargetMachine::getAllocaPointerSize
unsigned getAllocaPointerSize() const
Definition: TargetMachine.h:197
llvm::TargetMachine::getBBSectionsFuncListBuf
const MemoryBuffer * getBBSectionsFuncListBuf() const
Get the list of functions and basic block ids that need unique sections.
Definition: TargetMachine.h:302
CodeGen.h
llvm::TargetMachine::CMModel
CodeModel::Model CMModel
Definition: TargetMachine.h:103
llvm::TargetMachine::~TargetMachine
virtual ~TargetMachine()
llvm::TargetMachine::getTargetCPU
StringRef getTargetCPU() const
Definition: TargetMachine.h:129
llvm::TargetMachine::getSubtargetImpl
virtual const TargetSubtargetInfo * getSubtargetImpl(const Function &) const
Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInf...
Definition: TargetMachine.h:135
llvm::BasicBlockSection
BasicBlockSection
Definition: TargetOptions.h:61
llvm::PassInstrumentationCallbacks
This class manages callbacks registration, as well as provides a way for PassInstrumentation to pass ...
Definition: PassInstrumentation.h:66
llvm::TargetMachine::getSubtarget
const STC & getSubtarget(const Function &F) const
This method returns a pointer to the specified type of TargetSubtargetInfo.
Definition: TargetMachine.h:166
llvm::SMRange
Represents a range in source code.
Definition: SMLoc.h:48
llvm::LLVMTargetMachine::getPassNameFromLegacyName
virtual std::pair< StringRef, bool > getPassNameFromLegacyName(StringRef)
Definition: TargetMachine.h:433
llvm::TargetMachine::AsmInfo
std::unique_ptr< const MCAsmInfo > AsmInfo
Contains target specific asm information.
Definition: TargetMachine.h:107
llvm::TargetMachine::getTargetTriple
const Triple & getTargetTriple() const
Definition: TargetMachine.h:128
llvm::legacy::PassManagerBase
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
Definition: LegacyPassManager.h:39
llvm::SmallVectorImpl< char >
llvm::DataLayout::getPointerSizeInBits
unsigned getPointerSizeInBits(unsigned AS=0) const
Layout pointer size, in bits FIXME: The defaults need to be removed once all of the backends/clients ...
Definition: DataLayout.h:409
llvm::TargetMachine::setSupportsDebugEntryValues
void setSupportsDebugEntryValues(bool Enable)
Definition: TargetMachine.h:258
llvm::TargetOptions::FunctionSections
unsigned FunctionSections
Emit functions into separate sections.
Definition: TargetOptions.h:257
llvm::TargetMachine::setOptLevel
void setOptLevel(CodeGenOpt::Level Level)
Overrides the optimization level.
Definition: TargetMachine.cpp:187
llvm::TargetMachine::getTarget
const Target & getTarget() const
Definition: TargetMachine.h:126
llvm::TargetMachine::getPointerSize
unsigned getPointerSize(unsigned AS) const
Get the pointer size for this target.
Definition: TargetMachine.h:185
llvm::MCSubtargetInfo
Generic base class for all target subtargets.
Definition: MCSubtargetInfo.h:75
llvm::LLVMTargetMachine::useIPRA
virtual bool useIPRA() const
True if the target wants to use interprocedural register allocation by default.
Definition: TargetMachine.h:472
llvm::TargetMachine::MRI
std::unique_ptr< const MCRegisterInfo > MRI
Definition: TargetMachine.h:108
llvm::Value
LLVM Value Representation.
Definition: Value.h:75
llvm::LLVMTargetMachine::createMCStreamer
Expected< std::unique_ptr< MCStreamer > > createMCStreamer(raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, MCContext &Ctx)
Definition: LLVMTargetMachine.cpp:146
llvm::TargetMachine::getSjLjDataSize
virtual unsigned getSjLjDataSize() const
Definition: TargetMachine.h:385
llvm::TargetMachine::TargetCPU
std::string TargetCPU
Definition: TargetMachine.h:99
llvm::codeview::PublicSymFlags::Function
@ Function
llvm::ISD::MCSymbol
@ MCSymbol
Definition: ISDOpcodes.h:172
llvm::TargetMachine::getBBSectionsType
llvm::BasicBlockSection getBBSectionsType() const
If basic blocks should be emitted into their own section, corresponding to -fbasic-block-sections.
Definition: TargetMachine.h:297
llvm::DataLayout::getPointerSize
unsigned getPointerSize(unsigned AS=0) const
Layout pointer size FIXME: The defaults need to be removed once all of the backends/clients are updat...
Definition: DataLayout.cpp:706
llvm::LLVMTargetMachine::addAsmPrinter
bool addAsmPrinter(PassManagerBase &PM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut, CodeGenFileType FileType, MCContext &Context)
Adds an AsmPrinter pass to the pipeline that prints assembly or machine code from the MI representati...
Definition: LLVMTargetMachine.cpp:126
llvm::TargetMachine::getDataSections
bool getDataSections() const
Return true if data objects should be emitted into their own section, corresponds to -fdata-sections.
Definition: TargetMachine.h:275