llvm::TargetMachine Class Reference

Primary interface to the complete machine description for the target machine. More...

#include "llvm/Target/TargetMachine.h"

Inheritance diagram for llvm::TargetMachine:

Public Member Functions
	TargetMachine (const TargetMachine &)=delete
void	operator= (const TargetMachine &)=delete
virtual	~TargetMachine ()
const Target &	getTarget () const
const Triple &	getTargetTriple () const
StringRef	getTargetCPU () const
StringRef	getTargetFeatureString () const
void	setTargetFeatureString (StringRef FS)
virtual const TargetSubtargetInfo *	getSubtargetImpl (const Function &) const
	Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInfo-derived member variable.
virtual TargetLoweringObjectFile *	getObjFileLowering () const
virtual MachineFunctionInfo *	createMachineFunctionInfo (BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const
	Create the target's instance of MachineFunctionInfo.
virtual yaml::MachineFunctionInfo *	createDefaultFuncInfoYAML () const
	Allocate and return a default initialized instance of the YAML representation for the MachineFunctionInfo.
virtual yaml::MachineFunctionInfo *	convertFuncInfoToYAML (const MachineFunction &MF) const
	Allocate and initialize an instance of the YAML representation of the MachineFunctionInfo.
virtual bool	parseMachineFunctionInfo (const yaml::MachineFunctionInfo &, PerFunctionMIParsingState &PFS, SMDiagnostic &Error, SMRange &SourceRange) const
	Parse out the target's MachineFunctionInfo from the YAML reprsentation.
template<typename STC >
const STC &	getSubtarget (const Function &F) const
	This method returns a pointer to the specified type of TargetSubtargetInfo.
const DataLayout	createDataLayout () const
	Create a DataLayout.
bool	isCompatibleDataLayout (const DataLayout &Candidate) const
	Test if a DataLayout if compatible with the CodeGen for this target.
unsigned	getPointerSize (unsigned AS) const
	Get the pointer size for this target.
unsigned	getPointerSizeInBits (unsigned AS) const
unsigned	getProgramPointerSize () const
unsigned	getAllocaPointerSize () const
void	resetTargetOptions (const Function &F) const
	Reset the target options based on the function's attributes.
const MCAsmInfo *	getMCAsmInfo () const
	Return target specific asm information.
const MCRegisterInfo *	getMCRegisterInfo () const
const MCInstrInfo *	getMCInstrInfo () const
const MCSubtargetInfo *	getMCSubtargetInfo () const
virtual const TargetIntrinsicInfo *	getIntrinsicInfo () const
	If intrinsic information is available, return it. If not, return null.
bool	requiresStructuredCFG () const
void	setRequiresStructuredCFG (bool Value)
Reloc::Model	getRelocationModel () const
	Returns the code generation relocation model.
CodeModel::Model	getCodeModel () const
	Returns the code model.
uint64_t	getMaxCodeSize () const
	Returns the maximum code size possible under the code model.
void	setCodeModel (CodeModel::Model CM)
	Set the code model.
void	setLargeDataThreshold (uint64_t LDT)
bool	isLargeGlobalObject (const GlobalObject *GO) const
bool	isPositionIndependent () const
bool	shouldAssumeDSOLocal (const Module &M, const GlobalValue *GV) const
bool	useEmulatedTLS () const
	Returns true if this target uses emulated TLS.
TLSModel::Model	getTLSModel (const GlobalValue *GV) const
	Returns the TLS model which should be used for the given global variable.
CodeGenOptLevel	getOptLevel () const
	Returns the optimization level: None, Less, Default, or Aggressive.
void	setOptLevel (CodeGenOptLevel Level)
	Overrides the optimization level.
void	setFastISel (bool Enable)
bool	getO0WantsFastISel ()
void	setO0WantsFastISel (bool Enable)
void	setGlobalISel (bool Enable)
void	setGlobalISelAbort (GlobalISelAbortMode Mode)
void	setMachineOutliner (bool Enable)
void	setSupportsDefaultOutlining (bool Enable)
void	setSupportsDebugEntryValues (bool Enable)
void	setCFIFixup (bool Enable)
bool	getAIXExtendedAltivecABI () const
bool	getUniqueSectionNames () const
bool	getUniqueBasicBlockSectionNames () const
	Return true if unique basic block section names must be generated.
bool	getDataSections () const
	Return true if data objects should be emitted into their own section, corresponds to -fdata-sections.
bool	getFunctionSections () const
	Return true if functions should be emitted into their own section, corresponding to -ffunction-sections.
bool	getIgnoreXCOFFVisibility () const
	Return true if visibility attribute should not be emitted in XCOFF, corresponding to -mignore-xcoff-visibility.
bool	getXCOFFTracebackTable () const
	Return true if XCOFF traceback table should be emitted, corresponding to -xcoff-traceback-table.
llvm::BasicBlockSection	getBBSectionsType () const
	If basic blocks should be emitted into their own section, corresponding to -fbasic-block-sections.
const MemoryBuffer *	getBBSectionsFuncListBuf () const
	Get the list of functions and basic block ids that need unique sections.
virtual bool	isNoopAddrSpaceCast (unsigned SrcAS, unsigned DestAS) const
	Returns true if a cast between SrcAS and DestAS is a noop.
void	setPGOOption (std::optional< PGOOptions > PGOOpt)
const std::optional< PGOOptions > &	getPGOOption () const
virtual unsigned	getAssumedAddrSpace (const Value *V) const
	If the specified generic pointer could be assumed as a pointer to a specific address space, return that address space.
virtual std::pair< const Value *, unsigned >	getPredicatedAddrSpace (const Value *V) const
	If the specified predicate checks whether a generic pointer falls within a specified address space, return that generic pointer and the address space being queried.
TargetIRAnalysis	getTargetIRAnalysis () const
	Get a TargetIRAnalysis appropriate for the target.
virtual TargetTransformInfo	getTargetTransformInfo (const Function &F) const
	Return a TargetTransformInfo for a given function.
virtual void	registerPassBuilderCallbacks (PassBuilder &)
	Allow the target to modify the pass pipeline.
virtual void	registerDefaultAliasAnalyses (AAManager &)
	Allow the target to register alias analyses with the AAManager for use with the new pass manager.
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.
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.
virtual bool	targetSchedulesPostRAScheduling () const
	True if subtarget inserts the final scheduling pass on its own.
void	getNameWithPrefix (SmallVectorImpl< char > &Name, const GlobalValue *GV, Mangler &Mang, bool MayAlwaysUsePrivate=false) const
MCSymbol *	getSymbol (const GlobalValue *GV) const
virtual unsigned	getSjLjDataSize () const
virtual unsigned	getAddressSpaceForPseudoSourceKind (unsigned Kind) const
	getAddressSpaceForPseudoSourceKind - Given the kind of memory (e.g.

Static Public Member Functions
static std::pair< int, int >	parseBinutilsVersion (StringRef Version)

Public Attributes
TargetOptions	Options

Static Public Attributes
static constexpr unsigned	DefaultSjLjDataSize = 32
	The integer bit size to use for SjLj based exception handling.

Protected Member Functions
	TargetMachine (const Target &T, StringRef DataLayoutString, const Triple &TargetTriple, StringRef CPU, StringRef FS, const TargetOptions &Options)

Protected Attributes
const Target &	TheTarget
	The Target that this machine was created for.
const DataLayout	DL
	DataLayout for the target: keep ABI type size and alignment.
Triple	TargetTriple
	Triple string, CPU name, and target feature strings the TargetMachine instance is created with.
std::string	TargetCPU
std::string	TargetFS
Reloc::Model	RM = Reloc::Static
CodeModel::Model	CMModel = CodeModel::Small
uint64_t	LargeDataThreshold = 0
CodeGenOptLevel	OptLevel = CodeGenOptLevel::Default
std::unique_ptr< const MCAsmInfo >	AsmInfo
	Contains target specific asm information.
std::unique_ptr< const MCRegisterInfo >	MRI
std::unique_ptr< const MCInstrInfo >	MII
std::unique_ptr< const MCSubtargetInfo >	STI
unsigned	RequireStructuredCFG: 1
unsigned	O0WantsFastISel: 1
std::optional< PGOOptions >	PGOOption

Detailed Description

Primary interface to the complete machine description for the target machine.

All target-specific information should be accessible through this interface.

Definition at line 78 of file TargetMachine.h.

Constructor & Destructor Documentation

TargetMachine() [1/2]

TargetMachine::TargetMachine ( const Target &  T, StringRef  DataLayoutString, const Triple &  TargetTriple, StringRef  CPU, StringRef  FS, const TargetOptions &  Options  )

protected

Definition at line 32 of file TargetMachine.cpp.

References string.

TargetMachine() [2/2]

llvm::TargetMachine::TargetMachine ( const TargetMachine &  )

delete

~TargetMachine()

TargetMachine::~TargetMachine ( )

virtualdefault

Member Function Documentation

addPassesToEmitFile()

virtual bool llvm::TargetMachine::addPassesToEmitFile ( PassManagerBase &  , raw_pwrite_stream &  , raw_pwrite_stream *  , CodeGenFileType  , bool  = true, MachineModuleInfoWrapperPass *  MMIWP = nullptr  )

inlinevirtual

Add passes to the specified pass manager to get the specified file emitted.

Typically this will involve several steps of code generation. This method should return true if emission of this file type is not supported, or false on success. MMIWP is an optional parameter that, if set to non-nullptr, will be used to set the MachineModuloInfo for this PM.

Reimplemented in llvm::DirectXTargetMachine, and llvm::LLVMTargetMachine.

Definition at line 378 of file TargetMachine.h.

addPassesToEmitMC()

virtual bool llvm::TargetMachine::addPassesToEmitMC ( PassManagerBase &  , MCContext *&  , raw_pwrite_stream &  , bool  = true  )

inlinevirtual

Add passes to the specified pass manager to get machine code emitted with the MCJIT.

This method returns true if machine code is not supported. It fills the MCContext Ctx pointer which can be used to build custom MCStreamer.

Reimplemented in llvm::NVPTXTargetMachine, llvm::DirectXTargetMachine, and llvm::LLVMTargetMachine.

Definition at line 390 of file TargetMachine.h.

Referenced by llvm::orc::SimpleCompiler::operator()().

convertFuncInfoToYAML()

virtual yaml::MachineFunctionInfo * llvm::TargetMachine::convertFuncInfoToYAML ( const MachineFunction &  MF ) const

inlinevirtual

Allocate and initialize an instance of the YAML representation of the MachineFunctionInfo.

Reimplemented in llvm::AArch64TargetMachine, llvm::GCNTargetMachine, llvm::RISCVTargetMachine, and llvm::WebAssemblyTargetMachine.

Definition at line 157 of file TargetMachine.h.

createDataLayout()

const DataLayout llvm::TargetMachine::createDataLayout ( ) const

inline

Create a DataLayout.

Definition at line 177 of file TargetMachine.h.

References DL.

createDefaultFuncInfoYAML()

virtual yaml::MachineFunctionInfo * llvm::TargetMachine::createDefaultFuncInfoYAML ( ) const

inlinevirtual

Allocate and return a default initialized instance of the YAML representation for the MachineFunctionInfo.

Reimplemented in llvm::AArch64TargetMachine, llvm::GCNTargetMachine, llvm::RISCVTargetMachine, and llvm::WebAssemblyTargetMachine.

Definition at line 150 of file TargetMachine.h.

createMachineFunctionInfo()

virtual MachineFunctionInfo * llvm::TargetMachine::createMachineFunctionInfo ( BumpPtrAllocator &  Allocator, const Function &  F, const TargetSubtargetInfo *  STI  ) const

inlinevirtual

Create the target's instance of MachineFunctionInfo.

Reimplemented in llvm::AArch64TargetMachine, llvm::GCNTargetMachine, llvm::R600TargetMachine, llvm::ARCTargetMachine, llvm::ARMBaseTargetMachine, llvm::AVRTargetMachine, llvm::CSKYTargetMachine, llvm::HexagonTargetMachine, llvm::LanaiTargetMachine, llvm::LoongArchTargetMachine, llvm::M68kTargetMachine, llvm::MipsTargetMachine, llvm::MSP430TargetMachine, llvm::NVPTXTargetMachine, llvm::PPCTargetMachine, llvm::RISCVTargetMachine, llvm::SparcTargetMachine, llvm::SystemZTargetMachine, llvm::VETargetMachine, llvm::WebAssemblyTargetMachine, llvm::X86TargetMachine, and llvm::XCoreTargetMachine.

Definition at line 143 of file TargetMachine.h.

getAddressSpaceForPseudoSourceKind()

virtual unsigned llvm::TargetMachine::getAddressSpaceForPseudoSourceKind ( unsigned  Kind ) const

inlinevirtual

getAddressSpaceForPseudoSourceKind - Given the kind of memory (e.g.

stack) the target returns the corresponding address space.

Reimplemented in llvm::AMDGPUTargetMachine.

Definition at line 415 of file TargetMachine.h.

getAIXExtendedAltivecABI()

bool llvm::TargetMachine::getAIXExtendedAltivecABI ( ) const

inline

Definition at line 279 of file TargetMachine.h.

References llvm::TargetOptions::EnableAIXExtendedAltivecABI, and Options.

Referenced by llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::PPCRegisterInfo::getCallPreservedMask(), llvm::PPCRegisterInfo::getRegPressureLimit(), and llvm::PPCRegisterInfo::getReservedRegs().

getAllocaPointerSize()

unsigned llvm::TargetMachine::getAllocaPointerSize ( ) const

inline

Definition at line 203 of file TargetMachine.h.

References DL, llvm::DataLayout::getAllocaAddrSpace(), and llvm::DataLayout::getPointerSize().

getAssumedAddrSpace()

virtual unsigned llvm::TargetMachine::getAssumedAddrSpace ( const Value *  V ) const

inlinevirtual

If the specified generic pointer could be assumed as a pointer to a specific address space, return that address space.

Under offloading programming, the offloading target may be passed with values only prepared on the host side and could assume certain properties.

Reimplemented in llvm::AMDGPUTargetMachine.

Definition at line 337 of file TargetMachine.h.

Referenced by llvm::BasicTTIImplBase< T >::getAssumedAddrSpace().

getBBSectionsFuncListBuf()

const MemoryBuffer * llvm::TargetMachine::getBBSectionsFuncListBuf ( ) const

inline

Get the list of functions and basic block ids that need unique sections.

Definition at line 319 of file TargetMachine.h.

References llvm::TargetOptions::BBSectionsFuncListBuf, and Options.

Referenced by llvm::TargetPassConfig::addMachinePasses().

getBBSectionsType()

llvm::BasicBlockSection llvm::TargetMachine::getBBSectionsType ( ) const

inline

If basic blocks should be emitted into their own section, corresponding to -fbasic-block-sections.

Definition at line 314 of file TargetMachine.h.

References llvm::TargetOptions::BBSections, and Options.

Referenced by llvm::TargetPassConfig::addMachinePasses(), assignSections(), and llvm::MIRParserImpl::initializeMachineFunction().

getCodeModel()

CodeModel::Model llvm::TargetMachine::getCodeModel ( ) const

inline

Returns the code model.

The choices are small, kernel, medium, large, and target default.

Definition at line 233 of file TargetMachine.h.

References CMModel.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::X86FrameLowering::adjustForSegmentedStacks(), llvm::X86InstrInfo::canMakeTailCallConditional(), llvm::M68kSubtarget::classifyGlobalReference(), llvm::X86Subtarget::classifyGlobalReference(), llvm::M68kSubtarget::classifyLocalReference(), llvm::X86Subtarget::classifyLocalReference(), llvm::X86AsmPrinter::emitEndOfAsmFile(), llvm::AsmPrinter::emitPCSections(), llvm::AArch64FrameLowering::emitPrologue(), llvm::X86InstrInfo::foldMemoryOperandImpl(), llvm::X86InstrInfo::getGlobalBaseReg(), llvm::M68kSubtarget::getJumpTableEncoding(), getMaxCodeSize(), llvm::TargetLoweringObjectFileXCOFF::getSectionForTOCEntry(), llvm::TargetLoweringObjectFile::Initialize(), llvm::TargetLoweringObjectFileELF::Initialize(), llvm::PPCTargetLowering::isAccessedAsGotIndirect(), llvm::LanaiTargetObjectFile::isGlobalInSmallSection(), llvm::PPCSubtarget::isGVIndirectSymbol(), isLargeGlobalObject(), llvm::X86TargetLowering::isLegalAddressingMode(), IsSmallObject(), llvm::PPCSubtarget::isUsingPCRelativeCalls(), llvm::LanaiTargetLowering::LowerConstantPool(), needsPrologueENDBR(), llvm::XCoreTargetObjectFile::SelectSectionForGlobal(), llvm::PPCInstrInfo::shouldReduceRegisterPressure(), and llvm::AArch64Subtarget::useSmallAddressing().

getDataSections()

bool llvm::TargetMachine::getDataSections ( ) const

inline

Return true if data objects should be emitted into their own section, corresponds to -fdata-sections.

Definition at line 292 of file TargetMachine.h.

References llvm::TargetOptions::DataSections, and Options.

Referenced by llvm::TargetLoweringObjectFileXCOFF::getTargetSymbol(), llvm::TargetLoweringObjectFileELF::SelectSectionForGlobal(), llvm::TargetLoweringObjectFileWasm::SelectSectionForGlobal(), and llvm::TargetLoweringObjectFileXCOFF::SelectSectionForGlobal().

getFunctionSections()

bool llvm::TargetMachine::getFunctionSections ( ) const

inline

Return true if functions should be emitted into their own section, corresponding to -ffunction-sections.

Definition at line 298 of file TargetMachine.h.

References llvm::TargetOptions::FunctionSections, and Options.

Referenced by llvm::TargetLoweringObjectFileELF::emitModuleMetadata(), llvm::TargetLoweringObjectFileXCOFF::getFunctionEntryPointSymbol(), llvm::TargetLoweringObjectFileELF::getSectionForJumpTable(), llvm::TargetLoweringObjectFileXCOFF::getSectionForJumpTable(), llvm::TargetLoweringObjectFileELF::getSectionForLSDA(), llvm::TargetLoweringObjectFileXCOFF::getSectionForLSDA(), llvm::TargetLoweringObjectFileELF::SelectSectionForGlobal(), llvm::TargetLoweringObjectFileWasm::SelectSectionForGlobal(), and llvm::TargetLoweringObjectFileXCOFF::SelectSectionForGlobal().

getIgnoreXCOFFVisibility()

bool llvm::TargetMachine::getIgnoreXCOFFVisibility ( ) const

inline

Return true if visibility attribute should not be emitted in XCOFF, corresponding to -mignore-xcoff-visibility.

Definition at line 304 of file TargetMachine.h.

References llvm::TargetOptions::IgnoreXCOFFVisibility, and Options.

getIntrinsicInfo()

virtual const TargetIntrinsicInfo * llvm::TargetMachine::getIntrinsicInfo ( ) const

inlinevirtual

If intrinsic information is available, return it. If not, return null.

Definition at line 220 of file TargetMachine.h.

getMaxCodeSize()

uint64_t TargetMachine::getMaxCodeSize

(

)

const

Returns the maximum code size possible under the code model.

Definition at line 118 of file TargetMachine.cpp.

References getCodeModel(), llvm::CodeModel::Kernel, llvm::CodeModel::Large, llvm_unreachable, llvm::maxUIntN(), llvm::CodeModel::Medium, llvm::CodeModel::Small, and llvm::CodeModel::Tiny.

getMCAsmInfo()

const MCAsmInfo * llvm::TargetMachine::getMCAsmInfo ( ) const

inline

Return target specific asm information.

Definition at line 213 of file TargetMachine.h.

References AsmInfo.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::TargetPassConfig::addPassesToHandleExceptions(), llvm::ARMFrameLowering::adjustForSegmentedStacks(), llvm::X86FrameLowering::canUseLEAForSPInEpilogue(), llvm::LLVMTargetMachine::createMCStreamer(), llvm::X86FrameLowering::eliminateCallFramePseudoInstr(), llvm::X86FrameLowering::emitEpilogue(), llvm::AMDGPUAsmPrinter::emitInstruction(), llvm::TargetFrameLowering::enableCFIFixup(), ExpandMOVImmSExti8(), llvm::X86FrameLowering::getFrameIndexReference(), llvm::AArch64InstrInfo::getInstSizeInBytes(), llvm::SIInstrInfo::getInstSizeInBytes(), llvm::ARCInstrInfo::getInstSizeInBytes(), llvm::ARMBaseInstrInfo::getInstSizeInBytes(), llvm::CSKYInstrInfo::getInstSizeInBytes(), llvm::LoongArchInstrInfo::getInstSizeInBytes(), llvm::MipsInstrInfo::getInstSizeInBytes(), llvm::MSP430InstrInfo::getInstSizeInBytes(), llvm::PPCInstrInfo::getInstSizeInBytes(), llvm::SparcInstrInfo::getInstSizeInBytes(), llvm::SystemZInstrInfo::getInstSizeInBytes(), llvm::TargetLoweringObjectFileMachO::getNameWithPrefix(), llvm::HexagonInstrInfo::getSize(), llvm::ARMElfTargetObjectFile::getTTypeGlobalReference(), llvm::AArch64InstrInfo::isFunctionSafeToOutlineFrom(), llvm::AArch64FunctionInfo::needsDwarfUnwindInfo(), llvm::WebAssemblyFrameLowering::needsPrologForEH(), needsWinCFI(), llvm::X86FrameLowering::processFunctionBeforeFrameFinalized(), and llvm::ARMSubtarget::splitFramePointerPush().

getMCInstrInfo()

const MCInstrInfo * llvm::TargetMachine::getMCInstrInfo ( ) const

inline

Definition at line 216 of file TargetMachine.h.

References MII.

Referenced by llvm::LLVMTargetMachine::addPassesToEmitMC(), and llvm::LLVMTargetMachine::createMCStreamer().

getMCRegisterInfo()

const MCRegisterInfo * llvm::TargetMachine::getMCRegisterInfo ( ) const

inline

Definition at line 215 of file TargetMachine.h.

References MRI.

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::LLVMTargetMachine::createMCStreamer(), and llvm::SystemZAsmPrinter::PrintAsmOperand().

getMCSubtargetInfo()

const MCSubtargetInfo * llvm::TargetMachine::getMCSubtargetInfo ( ) const

inline

Definition at line 217 of file TargetMachine.h.

References STI.

Referenced by llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::AMDGPUTargetMachine::AMDGPUTargetMachine(), llvm::LLVMTargetMachine::createMCStreamer(), llvm::AsmPrinter::doInitialization(), llvm::AsmPrinter::emitAlignment(), llvm::AMDGPUAsmPrinter::getGlobalSTI(), llvm::ARMElfTargetObjectFile::Initialize(), and llvm::CSKYAsmPrinter::runOnMachineFunction().

getNameWithPrefix()

void TargetMachine::getNameWithPrefix	(	SmallVectorImpl< char > &	Name,
		const GlobalValue *	GV,
		Mangler &	Mang,
		bool	MayAlwaysUsePrivate = false
	)		const

Definition at line 247 of file TargetMachine.cpp.

References llvm::Mangler::getNameWithPrefix(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), getObjFileLowering(), llvm::GlobalValue::hasPrivateLinkage(), and Name.

Referenced by llvm::AArch64MCInstLower::GetGlobalAddressSymbol(), llvm::AsmPrinter::getNameWithPrefix(), getSymbol(), and llvm::TargetLoweringObjectFile::getSymbolWithGlobalValueBase().

getO0WantsFastISel()

bool llvm::TargetMachine::getO0WantsFastISel ( )

inline

Definition at line 261 of file TargetMachine.h.

References O0WantsFastISel.

Referenced by llvm::TargetPassConfig::addCoreISelPasses(), and llvm::OptLevelChanger::OptLevelChanger().

getObjFileLowering()

virtual TargetLoweringObjectFile * llvm::TargetMachine::getObjFileLowering ( ) const

inlinevirtual

Reimplemented in llvm::AArch64TargetMachine, llvm::AMDGPUTargetMachine, llvm::ARCTargetMachine, llvm::ARMBaseTargetMachine, llvm::AVRTargetMachine, llvm::BPFTargetMachine, llvm::CSKYTargetMachine, llvm::DirectXTargetMachine, llvm::HexagonTargetMachine, llvm::LanaiTargetMachine, llvm::LoongArchTargetMachine, llvm::M68kTargetMachine, llvm::MipsTargetMachine, llvm::MSP430TargetMachine, llvm::NVPTXTargetMachine, llvm::PPCTargetMachine, llvm::RISCVTargetMachine, llvm::SparcTargetMachine, llvm::SPIRVTargetMachine, llvm::SystemZTargetMachine, llvm::VETargetMachine, llvm::WebAssemblyTargetMachine, llvm::X86TargetMachine, llvm::XCoreTargetMachine, and llvm::XtensaTargetMachine.

Definition at line 137 of file TargetMachine.h.

Referenced by getNameWithPrefix(), llvm::AsmPrinter::getObjFileLowering(), getSymbol(), llvm::LanaiTargetLowering::LowerConstantPool(), llvm::LanaiTargetLowering::LowerGlobalAddress(), and llvm::MachineModuleInfo::MachineModuleInfo().

getOptLevel()

CodeGenOptLevel TargetMachine::getOptLevel

(

)

const

Returns the optimization level: None, Less, Default, or Aggressive.

Definition at line 238 of file TargetMachine.cpp.

References OptLevel.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::TargetPassConfig::addCoreISelPasses(), llvm::AMDGPUPassConfig::addIRPasses(), llvm::AMDGPUPassConfig::addPreISel(), AlignBlocks(), llvm::CodeViewDebug::beginFunctionImpl(), canOptimizeTLSDFormToXForm(), llvm::SwitchCG::SwitchLowering::findJumpTables(), llvm::GISelKnownBitsAnalysis::get(), llvm::AMDGPUPassConfig::getCSEConfig(), llvm::HexagonFrameLowering::getFrameIndexReference(), llvm::PPCInstrInfo::getMachineCombinerPatterns(), llvm::CodeGenPassBuilder< DerivedT >::getOptLevel(), llvm::TargetPassConfig::getOptLevel(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::HexagonFrameLowering::hasFP(), isOptNone(), llvm::AMDGPUPassConfig::isPassEnabled(), llvm::ARMAsmPrinter::runOnMachineFunction(), llvm::InstructionSelect::runOnMachineFunction(), llvm::RISCVDAGToDAGISel::Select(), and llvm::AArch64TargetLowering::shouldExpandAtomicRMWInIR().

getPGOOption()

const std::optional< PGOOptions > & llvm::TargetMachine::getPGOOption ( ) const

inline

Definition at line 329 of file TargetMachine.h.

References PGOOption.

getPointerSize()

unsigned llvm::TargetMachine::getPointerSize ( unsigned  AS ) const

inline

Get the pointer size for this target.

This is the only time the DataLayout in the TargetMachine is used.

Definition at line 191 of file TargetMachine.h.

References DL, and llvm::DataLayout::getPointerSize().

Referenced by llvm::AsmPrinter::getPointerSize(), llvm::AVRTargetMachine::isNoopAddrSpaceCast(), and llvm::X86TargetMachine::isNoopAddrSpaceCast().

getPointerSizeInBits()

unsigned llvm::TargetMachine::getPointerSizeInBits ( unsigned  AS ) const

inline

Definition at line 195 of file TargetMachine.h.

References DL, and llvm::DataLayout::getPointerSizeInBits().

getPredicatedAddrSpace()

virtual std::pair< const Value *, unsigned > llvm::TargetMachine::getPredicatedAddrSpace ( const Value *  V ) const

inlinevirtual

If the specified predicate checks whether a generic pointer falls within a specified address space, return that generic pointer and the address space being queried.

Such predicates could be specified in @llvm.assume intrinsics for the optimizer to assume that the given generic pointer always falls within the address space based on that predicate.

Reimplemented in llvm::AMDGPUTargetMachine, and llvm::NVPTXTargetMachine.

Definition at line 347 of file TargetMachine.h.

Referenced by llvm::BasicTTIImplBase< T >::getPredicatedAddrSpace().

getProgramPointerSize()

unsigned llvm::TargetMachine::getProgramPointerSize ( ) const

inline

Definition at line 199 of file TargetMachine.h.

References DL, llvm::DataLayout::getPointerSize(), and llvm::DataLayout::getProgramAddressSpace().

Referenced by llvm::AsmPrinter::emitStackSizeSection().

getRelocationModel()

Reloc::Model TargetMachine::getRelocationModel

(

)

const

Returns the code generation relocation model.

The choices are static, PIC, and dynamic-no-pic, and target default.

The choices are static, PIC, and dynamic-no-pic.

Definition at line 116 of file TargetMachine.cpp.

References RM.

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), llvm::X86Subtarget::classifyGlobalFunctionReference(), llvm::X86Subtarget::classifyGlobalReference(), llvm::TargetLoweringObjectFile::getKindForGlobal(), llvm::MipsSubtarget::getRelocationModel(), llvm::AsmPrinter::getSymbolPreferLocal(), getTLSModel(), llvm::TargetLoweringObjectFileMachO::Initialize(), llvm::TargetLoweringBase::insertSSPDeclarations(), llvm::X86Subtarget::isLegalToCallImmediateAddr(), llvm::HexagonTargetLowering::isOffsetFoldingLegal(), isPositionIndependent(), llvm::ARMSubtarget::isROPI(), llvm::ARMSubtarget::isRWPI(), llvm::HexagonTargetLowering::LowerBlockAddress(), llvm::HexagonTargetLowering::LowerGLOBALADDRESS(), shouldAssumeDSOLocal(), and transformCallee().

getSjLjDataSize()

virtual unsigned llvm::TargetMachine::getSjLjDataSize ( ) const

inlinevirtual

Reimplemented in llvm::VETargetMachine.

Definition at line 409 of file TargetMachine.h.

References DefaultSjLjDataSize.

getSubtarget()

template<typename STC >

const STC & llvm::TargetMachine::getSubtarget ( const Function &  F ) const

inline

This method returns a pointer to the specified type of TargetSubtargetInfo.

In debug builds, it verifies that the object being returned is of the correct type.

Definition at line 172 of file TargetMachine.h.

References F, and getSubtargetImpl().

Referenced by llvm::PhysicalRegisterUsageInfo::print(), and llvm::AMDGPUAtomicOptimizerPass::run().

getSubtargetImpl()

virtual const TargetSubtargetInfo * llvm::TargetMachine::getSubtargetImpl ( const Function &  ) const

inlinevirtual

Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInfo-derived member variable.

Reimplemented in llvm::GCNTargetMachine, llvm::R600TargetMachine, llvm::ARCTargetMachine, llvm::AVRTargetMachine, llvm::BPFTargetMachine, llvm::DirectXTargetMachine, llvm::NVPTXTargetMachine, llvm::SPIRVTargetMachine, llvm::SystemZTargetMachine, llvm::VETargetMachine, llvm::XCoreTargetMachine, llvm::AMDGPUTargetMachine, llvm::AArch64TargetMachine, llvm::ARMBaseTargetMachine, llvm::CSKYTargetMachine, llvm::HexagonTargetMachine, llvm::LoongArchTargetMachine, llvm::M68kTargetMachine, llvm::MipsTargetMachine, llvm::MSP430TargetMachine, llvm::PPCTargetMachine, llvm::RISCVTargetMachine, llvm::SparcTargetMachine, llvm::WebAssemblyTargetMachine, llvm::X86TargetMachine, and llvm::LanaiTargetMachine.

Definition at line 134 of file TargetMachine.h.

Referenced by llvm::AVRAsmPrinter::doFinalization(), llvm::AVRAsmPrinter::emitStartOfAsmFile(), llvm::MachineModuleInfo::getOrCreateMachineFunction(), getSubtarget(), llvm::ExpandLargeDivRemPass::run(), llvm::ExpandLargeFpConvertPass::run(), and llvm::StackProtector::runOnFunction().

getSymbol()

MCSymbol * TargetMachine::getSymbol

(

const GlobalValue *

GV

)

const

Definition at line 260 of file TargetMachine.cpp.

References llvm::MCObjectFileInfo::getContext(), llvm::TargetLoweringObjectFile::getMangler(), getNameWithPrefix(), getObjFileLowering(), llvm::MCContext::getOrCreateSymbol(), and llvm::TargetLoweringObjectFile::getTargetSymbol().

Referenced by llvm::TargetLoweringObjectFile::emitCGProfileMetadata(), llvm::AIXException::endFunction(), llvm::TargetLoweringObjectFile::getCFIPersonalitySymbol(), llvm::TargetLoweringObjectFileELF::getCFIPersonalitySymbol(), llvm::TargetLoweringObjectFileMachO::getCFIPersonalitySymbol(), llvm::AArch64_MachoTargetObjectFile::getCFIPersonalitySymbol(), llvm::X86_64MachoTargetObjectFile::getCFIPersonalitySymbol(), llvm::NVPTXTargetLowering::getParamName(), llvm::AsmPrinter::getSymbol(), llvm::AsmPrinter::getSymbolPreferLocal(), llvm::TargetLoweringObjectFile::getTTypeGlobalReference(), llvm::TargetLoweringObjectFileELF::getTTypeGlobalReference(), llvm::TargetLoweringObjectFileMachO::getTTypeGlobalReference(), llvm::AArch64_MachoTargetObjectFile::getTTypeGlobalReference(), llvm::ARMElfTargetObjectFile::getTTypeGlobalReference(), llvm::SparcELFTargetObjectFile::getTTypeGlobalReference(), llvm::X86_64MachoTargetObjectFile::getTTypeGlobalReference(), llvm::TargetLoweringObjectFileELF::lowerDSOLocalEquivalent(), llvm::TargetLoweringObjectFileELF::lowerRelativeReference(), llvm::TargetLoweringObjectFileWasm::lowerRelativeReference(), and llvm::TargetLoweringObjectFileGOFF::SelectSectionForGlobal().

getTarget()

const Target & llvm::TargetMachine::getTarget ( ) const

inline

Definition at line 125 of file TargetMachine.h.

References TheTarget.

Referenced by llvm::LLVMTargetMachine::addAsmPrinter(), llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::LLVMTargetMachine::createMCStreamer(), and llvm::X86AsmPrinter::runOnMachineFunction().

getTargetCPU()

StringRef llvm::TargetMachine::getTargetCPU ( ) const

inline

Definition at line 128 of file TargetMachine.h.

References TargetCPU.

Referenced by llvm::MipsAsmPrinter::emitStartOfAsmFile(), llvm::AMDGPUTargetMachine::getGPUName(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), and llvm::LLVMTargetMachine::initAsmInfo().

getTargetFeatureString()

StringRef llvm::TargetMachine::getTargetFeatureString ( ) const

inline

Definition at line 129 of file TargetMachine.h.

References TargetFS.

Referenced by llvm::MipsAsmPrinter::emitStartOfAsmFile(), llvm::AMDGPUTargetMachine::getFeatureString(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), and llvm::LLVMTargetMachine::initAsmInfo().

getTargetIRAnalysis()

TargetIRAnalysis TargetMachine::getTargetIRAnalysis

(

)

const

Get a TargetIRAnalysis appropriate for the target.

This is used to construct the new pass manager's target IR analysis pass, set up appropriately for this target machine. Even the old pass manager uses this to answer queries about the IR.

Definition at line 271 of file TargetMachine.cpp.

References F, and getTargetTransformInfo().

Referenced by llvm::TargetPassConfig::addISelPasses().

getTargetTransformInfo()

TargetTransformInfo TargetMachine::getTargetTransformInfo ( const Function &  F ) const

virtual

Return a TargetTransformInfo for a given function.

The returned TargetTransformInfo is specialized to the subtarget corresponding to F.

Reimplemented in llvm::LLVMTargetMachine, llvm::AArch64TargetMachine, llvm::GCNTargetMachine, llvm::R600TargetMachine, llvm::ARCTargetMachine, llvm::ARMBaseTargetMachine, llvm::BPFTargetMachine, llvm::DirectXTargetMachine, llvm::HexagonTargetMachine, llvm::LanaiTargetMachine, llvm::LoongArchTargetMachine, llvm::MipsTargetMachine, llvm::NVPTXTargetMachine, llvm::PPCTargetMachine, llvm::RISCVTargetMachine, llvm::SPIRVTargetMachine, llvm::SystemZTargetMachine, llvm::VETargetMachine, llvm::WebAssemblyTargetMachine, llvm::X86TargetMachine, and llvm::XCoreTargetMachine.

Definition at line 243 of file TargetMachine.cpp.

References F.

Referenced by getTargetIRAnalysis().

getTargetTriple()

const Triple & llvm::TargetMachine::getTargetTriple ( ) const

inline

Definition at line 127 of file TargetMachine.h.

References TargetTriple.

Referenced by llvm::AMDGPUPassConfig::addCodeGenPrepare(), llvm::TargetPassConfig::addIRPasses(), llvm::AMDGPUPassConfig::addIRPasses(), llvm::DwarfCompileUnit::addLocationAttribute(), llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::LLVMTargetMachine::createMCStreamer(), createPPCAsmPrinterPass(), llvm::AsmPrinter::doFinalization(), llvm::AsmPrinter::doInitialization(), llvm::AMDGPUAsmPrinter::doInitialization(), llvm::TargetInstrInfo::duplicate(), llvm::DwarfDebug::DwarfDebug(), llvm::DwarfDebug::emitDebugLocValue(), llvm::AMDGPUAsmPrinter::emitEndOfAsmFile(), llvm::ARMAsmPrinter::emitEndOfAsmFile(), llvm::CSKYAsmPrinter::emitEndOfAsmFile(), llvm::X86AsmPrinter::emitEndOfAsmFile(), llvm::X86FrameLowering::emitEpilogue(), llvm::AsmPrinter::emitFunctionBody(), llvm::AMDGPUAsmPrinter::emitFunctionBodyEnd(), llvm::SystemZAsmPrinter::emitFunctionBodyEnd(), llvm::AsmPrinter::emitFunctionEntryLabel(), llvm::AMDGPUAsmPrinter::emitFunctionEntryLabel(), llvm::AsmPrinter::emitGlobalVariable(), llvm::AMDGPUAsmPrinter::emitGlobalVariable(), llvm::AsmPrinter::emitPatchableFunctionEntries(), llvm::ARMAsmPrinter::emitStartOfAsmFile(), llvm::CSKYAsmPrinter::emitStartOfAsmFile(), llvm::MipsAsmPrinter::emitStartOfAsmFile(), llvm::SystemZAsmPrinter::emitStartOfAsmFile(), llvm::X86AsmPrinter::emitStartOfAsmFile(), llvm::AsmPrinter::emitXRayTable(), llvm::TargetLowering::expandIndirectJTBranch(), llvm::AMDGPUSubtarget::get(), llvm::AArch64MCInstLower::GetGlobalAddressSymbol(), llvm::TargetLoweringBase::getSafeStackPointerLocation(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::M68kMCInstLower::GetSymbolFromOperand(), llvm::AsmPrinter::getSymbolPreferLocal(), llvm::LLVMTargetMachine::initAsmInfo(), llvm::TargetLoweringObjectFileELF::Initialize(), llvm::TargetLoweringObjectFileXCOFF::Initialize(), llvm::TargetLoweringBase::insertSSPDeclarations(), llvm::AArch64CallLowering::isEligibleForTailCallOptimization(), isLargeGlobalObject(), llvm::PPCTargetMachine::isPPC64(), llvm::AArch64MCInstLower::LowerSymbolOperand(), llvm::AsmPrinter::preprocessXXStructorList(), llvm::StackProtector::runOnFunction(), llvm::SelectionDAGISel::runOnMachineFunction(), llvm::FastISel::selectOperator(), llvm::AMDGPUTargetObjectFile::SelectSectionForGlobal(), llvm::FastISel::selectXRayCustomEvent(), llvm::FastISel::selectXRayTypedEvent(), llvm::AsmPrinter::SetupMachineFunction(), shouldAssumeDSOLocal(), llvm::SITargetLowering::shouldEmitFixup(), shouldLowerMemFuncForSize(), llvm::TargetLoweringObjectFileCOFF::shouldPutJumpTableInFunctionSection(), llvm::TailDuplicator::shouldTailDuplicate(), llvm::SITargetLowering::shouldUseLDSConstAddress(), llvm::TargetLoweringBase::TargetLoweringBase(), llvm::SelectionDAGBuilder::visitSPDescriptorFailure(), and llvm::WinException::WinException().

getTLSModel()

TLSModel::Model TargetMachine::getTLSModel

(

const GlobalValue *

GV

)

const

Returns the TLS model which should be used for the given global variable.

Definition at line 210 of file TargetMachine.cpp.

References llvm::PIELevel::Default, llvm::TLSModel::GeneralDynamic, llvm::GlobalValue::getParent(), llvm::Module::getPIELevel(), getRelocationModel(), getSelectedTLSModel(), llvm::TLSModel::InitialExec, llvm::TLSModel::LocalDynamic, llvm::TLSModel::LocalExec, llvm::Reloc::PIC_, RM, and shouldAssumeDSOLocal().

Referenced by llvm::HexagonTargetLowering::LowerGlobalTLSAddress(), llvm::SparcTargetLowering::LowerGlobalTLSAddress(), and llvm::AArch64MCInstLower::lowerSymbolOperandELF().

getUniqueBasicBlockSectionNames()

bool llvm::TargetMachine::getUniqueBasicBlockSectionNames ( ) const

inline

Return true if unique basic block section names must be generated.

Definition at line 286 of file TargetMachine.h.

References Options, and llvm::TargetOptions::UniqueBasicBlockSectionNames.

Referenced by llvm::TargetLoweringObjectFileELF::getSectionForMachineBasicBlock().

getUniqueSectionNames()

bool llvm::TargetMachine::getUniqueSectionNames ( ) const

inline

Definition at line 283 of file TargetMachine.h.

References Options, and llvm::TargetOptions::UniqueSectionNames.

Referenced by llvm::TargetLoweringObjectFileELF::getSectionForLSDA().

getXCOFFTracebackTable()

bool llvm::TargetMachine::getXCOFFTracebackTable ( ) const

inline

Return true if XCOFF traceback table should be emitted, corresponding to -xcoff-traceback-table.

Definition at line 310 of file TargetMachine.h.

References Options, and llvm::TargetOptions::XCOFFTracebackTable.

isCompatibleDataLayout()

bool llvm::TargetMachine::isCompatibleDataLayout ( const DataLayout &  Candidate ) const

inline

Test if a DataLayout if compatible with the CodeGen for this target.

The LLVM Module owns a DataLayout that is used for the target independent optimizations and code generation. This hook provides a target specific check on the validity of this DataLayout.

Definition at line 184 of file TargetMachine.h.

References DL.

isLargeGlobalObject()

bool TargetMachine::isLargeGlobalObject

(

const GlobalObject *

GO

)

const

Definition at line 42 of file TargetMachine.cpp.

References llvm::StringRef::consume_front(), DL, llvm::StringRef::empty(), getCodeModel(), getTargetTriple(), llvm::DataLayout::getTypeSizeInBits(), llvm::CodeModel::Large, LargeDataThreshold, llvm::CodeModel::Medium, Name, Size, llvm::CodeModel::Small, and llvm::Triple::x86_64.

Referenced by llvm::X86Subtarget::classifyLocalReference().

isNoopAddrSpaceCast()

virtual bool llvm::TargetMachine::isNoopAddrSpaceCast ( unsigned  SrcAS, unsigned  DestAS  ) const

inlinevirtual

Returns true if a cast between SrcAS and DestAS is a noop.

Reimplemented in llvm::AArch64TargetMachine, llvm::AMDGPUTargetMachine, llvm::ARMBaseTargetMachine, llvm::AVRTargetMachine, llvm::MipsTargetMachine, llvm::PPCTargetMachine, llvm::X86TargetMachine, and llvm::RISCVTargetMachine.

Definition at line 324 of file TargetMachine.h.

Referenced by checkAddrSpaceIsValidForLibcall(), llvm::TargetLoweringBase::isFreeAddrSpaceCast(), llvm::BasicTTIImplBase< T >::isNoopAddrSpaceCast(), and llvm::AsmPrinter::lowerConstant().

isPositionIndependent()

bool TargetMachine::isPositionIndependent

(

)

const

Definition at line 89 of file TargetMachine.cpp.

References getRelocationModel(), and llvm::Reloc::PIC_.

Referenced by computeBasePointerSaveOffset(), llvm::X86InstrInfo::foldMemoryOperandImpl(), llvm::PPCRegisterInfo::getBaseRegister(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::PPCRegisterInfo::getCallPreservedMask(), llvm::PPCRegisterInfo::getReservedRegs(), llvm::MipsFunctionInfo::initGlobalBaseReg(), llvm::TargetLoweringObjectFile::Initialize(), llvm::ARMSubtarget::isGVIndirectSymbol(), llvm::ARMSubtarget::isGVInGOT(), llvm::TargetLoweringBase::isJumpTableRelative(), llvm::MipsTargetLowering::isJumpTableRelative(), llvm::AsmPrinter::isPositionIndependent(), llvm::TargetLowering::isPositionIndependent(), llvm::M68kSubtarget::isPositionIndependent(), llvm::MipsSubtarget::isPositionIndependent(), llvm::X86Subtarget::isPositionIndependent(), llvm::HexagonTargetObjectFile::isSmallDataEnabled(), and llvm::M68kCallLowering::lowerCall().

operator=()

void llvm::TargetMachine::operator= ( const TargetMachine &  )

delete

parseBinutilsVersion()

std::pair< int, int > TargetMachine::parseBinutilsVersion ( StringRef  Version )

static

Definition at line 278 of file TargetMachine.cpp.

parseMachineFunctionInfo()

virtual bool llvm::TargetMachine::parseMachineFunctionInfo ( const yaml::MachineFunctionInfo &  , PerFunctionMIParsingState &  PFS, SMDiagnostic &  Error, SMRange &  SourceRange  ) const

inlinevirtual

Parse out the target's MachineFunctionInfo from the YAML reprsentation.

Reimplemented in llvm::AArch64TargetMachine, llvm::GCNTargetMachine, llvm::RISCVTargetMachine, and llvm::WebAssemblyTargetMachine.

Definition at line 162 of file TargetMachine.h.

registerDefaultAliasAnalyses()

virtual void llvm::TargetMachine::registerDefaultAliasAnalyses ( AAManager &  )

inlinevirtual

Allow the target to register alias analyses with the AAManager for use with the new pass manager.

Only affects the "default" AAManager.

Reimplemented in llvm::AMDGPUTargetMachine, and llvm::NVPTXTargetMachine.

Definition at line 369 of file TargetMachine.h.

Referenced by llvm::PassBuilder::buildDefaultAAPipeline().

registerPassBuilderCallbacks()

virtual void llvm::TargetMachine::registerPassBuilderCallbacks ( PassBuilder &  )

inlinevirtual

Allow the target to modify the pass pipeline.

Reimplemented in llvm::AMDGPUTargetMachine, llvm::BPFTargetMachine, llvm::DirectXTargetMachine, llvm::HexagonTargetMachine, and llvm::NVPTXTargetMachine.

Definition at line 365 of file TargetMachine.h.

requiresStructuredCFG()

bool llvm::TargetMachine::requiresStructuredCFG ( ) const

inline

Definition at line 224 of file TargetMachine.h.

References RequireStructuredCFG.

Referenced by llvm::TargetPassConfig::addMachineLateOptimization(), and llvm::MachineBasicBlock::canSplitCriticalEdge().

resetTargetOptions()

void TargetMachine::resetTargetOptions

(

const Function &

F

)

const

Reset the target options based on the function's attributes.

setFunctionAttributes should have made the raw attribute value consistent with the command line flag if used.

Definition at line 101 of file TargetMachine.cpp.

References RESET_OPTION.

Referenced by llvm::GCNTargetMachine::getSubtargetImpl(), llvm::R600TargetMachine::getSubtargetImpl(), llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::AArch64TargetMachine::getSubtargetImpl(), llvm::ARMBaseTargetMachine::getSubtargetImpl(), llvm::CSKYTargetMachine::getSubtargetImpl(), llvm::HexagonTargetMachine::getSubtargetImpl(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::M68kTargetMachine::getSubtargetImpl(), llvm::MipsTargetMachine::getSubtargetImpl(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), llvm::SparcTargetMachine::getSubtargetImpl(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), llvm::X86TargetMachine::getSubtargetImpl(), and llvm::SelectionDAGISel::runOnMachineFunction().

setCFIFixup()

void llvm::TargetMachine::setCFIFixup ( bool  Enable )

inline

Definition at line 277 of file TargetMachine.h.

References llvm::Enable, llvm::TargetOptions::EnableCFIFixup, and Options.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine().

setCodeModel()

void llvm::TargetMachine::setCodeModel ( CodeModel::Model  CM )

inline

Set the code model.

Definition at line 239 of file TargetMachine.h.

References CMModel.

setFastISel()

void llvm::TargetMachine::setFastISel ( bool  Enable )

inline

Definition at line 260 of file TargetMachine.h.

References llvm::Enable, llvm::TargetOptions::EnableFastISel, and Options.

Referenced by llvm::TargetPassConfig::addCoreISelPasses(), llvm::OptLevelChanger::OptLevelChanger(), llvm::SPIRVTargetMachine::SPIRVTargetMachine(), and llvm::OptLevelChanger::~OptLevelChanger().

setGlobalISel()

void llvm::TargetMachine::setGlobalISel ( bool  Enable )

inline

Definition at line 263 of file TargetMachine.h.

References llvm::Enable, llvm::TargetOptions::EnableGlobalISel, and Options.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::TargetPassConfig::addCoreISelPasses(), and llvm::SPIRVTargetMachine::SPIRVTargetMachine().

setGlobalISelAbort()

void llvm::TargetMachine::setGlobalISelAbort ( GlobalISelAbortMode  Mode )

inline

Definition at line 264 of file TargetMachine.h.

References llvm::TargetOptions::GlobalISelAbort, Mode, and Options.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine().

setLargeDataThreshold()

void llvm::TargetMachine::setLargeDataThreshold ( uint64_t  LDT )

inline

Definition at line 241 of file TargetMachine.h.

References LargeDataThreshold.

setMachineOutliner()

void llvm::TargetMachine::setMachineOutliner ( bool  Enable )

inline

Definition at line 267 of file TargetMachine.h.

References llvm::Enable, llvm::TargetOptions::EnableMachineOutliner, and Options.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::ARMBaseTargetMachine::ARMBaseTargetMachine(), llvm::RISCVTargetMachine::RISCVTargetMachine(), and llvm::X86TargetMachine::X86TargetMachine().

setO0WantsFastISel()

void llvm::TargetMachine::setO0WantsFastISel ( bool  Enable )

inline

Definition at line 262 of file TargetMachine.h.

References llvm::Enable, and O0WantsFastISel.

Referenced by llvm::TargetPassConfig::addCoreISelPasses(), and llvm::SPIRVTargetMachine::SPIRVTargetMachine().

setOptLevel()

void TargetMachine::setOptLevel

(

CodeGenOptLevel

Level

)

Overrides the optimization level.

Definition at line 240 of file TargetMachine.cpp.

References OptLevel.

Referenced by llvm::OptLevelChanger::OptLevelChanger(), and llvm::OptLevelChanger::~OptLevelChanger().

setPGOOption()

void llvm::TargetMachine::setPGOOption ( std::optional< PGOOptions >  PGOOpt )

inline

Definition at line 328 of file TargetMachine.h.

References PGOOption.

setRequiresStructuredCFG()

void llvm::TargetMachine::setRequiresStructuredCFG ( bool  Value )

inline

Definition at line 225 of file TargetMachine.h.

References RequireStructuredCFG.

Referenced by llvm::NVPTXTargetMachine::NVPTXTargetMachine(), llvm::R600TargetMachine::R600TargetMachine(), and llvm::SPIRVTargetMachine::SPIRVTargetMachine().

setSupportsDebugEntryValues()

void llvm::TargetMachine::setSupportsDebugEntryValues ( bool  Enable )

inline

Definition at line 273 of file TargetMachine.h.

References llvm::Enable, Options, and llvm::TargetOptions::SupportsDebugEntryValues.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::ARMBaseTargetMachine::ARMBaseTargetMachine(), llvm::MipsTargetMachine::MipsTargetMachine(), and llvm::X86TargetMachine::X86TargetMachine().

setSupportsDefaultOutlining()

void llvm::TargetMachine::setSupportsDefaultOutlining ( bool  Enable )

inline

Definition at line 270 of file TargetMachine.h.

References llvm::Enable, Options, and llvm::TargetOptions::SupportsDefaultOutlining.

Referenced by llvm::AArch64TargetMachine::AArch64TargetMachine(), llvm::ARMBaseTargetMachine::ARMBaseTargetMachine(), and llvm::RISCVTargetMachine::RISCVTargetMachine().

setTargetFeatureString()

void llvm::TargetMachine::setTargetFeatureString ( StringRef  FS )

inline

Definition at line 130 of file TargetMachine.h.

References TargetFS.

shouldAssumeDSOLocal()

bool TargetMachine::shouldAssumeDSOLocal	(	const Module &	M,
		const GlobalValue *	GV
	)		const

Definition at line 150 of file TargetMachine.cpp.

References assert(), getRelocationModel(), getTargetTriple(), llvm::GlobalValue::hasDLLImportStorageClass(), llvm::GlobalValue::hasExternalWeakLinkage(), llvm::GlobalValue::isDeclarationForLinker(), llvm::GlobalValue::isDSOLocal(), llvm::GlobalValue::isStrongDefinitionForLinker(), RM, and llvm::Reloc::Static.

Referenced by llvm::M68kSubtarget::classifyExternalReference(), llvm::M68kSubtarget::classifyGlobalFunctionReference(), llvm::X86Subtarget::classifyGlobalFunctionReference(), llvm::M68kSubtarget::classifyGlobalReference(), llvm::X86Subtarget::classifyGlobalReference(), getTLSModel(), llvm::ARMSubtarget::isGVIndirectSymbol(), llvm::PPCSubtarget::isGVIndirectSymbol(), llvm::ARMSubtarget::isGVInGOT(), llvm::SystemZSubtarget::isPC32DBLSymbol(), llvm::LoongArchTargetLowering::LowerCall(), llvm::HexagonTargetLowering::LowerGLOBALADDRESS(), llvm::SITargetLowering::shouldEmitGOTReloc(), and transformCallee().

targetSchedulesPostRAScheduling()

virtual bool llvm::TargetMachine::targetSchedulesPostRAScheduling ( ) const

inlinevirtual

True if subtarget inserts the final scheduling pass on its own.

Branch relaxation, which must happen after block placement, can on some targets (e.g. SystemZ) expose additional post-RA scheduling opportunities.

Reimplemented in llvm::ARMBaseTargetMachine, and llvm::SystemZTargetMachine.

Definition at line 401 of file TargetMachine.h.

Referenced by llvm::TargetPassConfig::addMachinePasses().

useEmulatedTLS()

bool TargetMachine::useEmulatedTLS

(

)

const

Returns true if this target uses emulated TLS.

Definition at line 208 of file TargetMachine.cpp.

References llvm::TargetOptions::EmulatedTLS, and Options.

Referenced by llvm::TargetPassConfig::addISelPasses(), llvm::DwarfCompileUnit::addLocationAttribute(), llvm::AsmPrinter::emitGlobalVariable(), and llvm::SparcTargetLowering::LowerGlobalTLSAddress().

Member Data Documentation

AsmInfo

std::unique_ptr<const MCAsmInfo> llvm::TargetMachine::AsmInfo

protected

Contains target specific asm information.

Definition at line 107 of file TargetMachine.h.

Referenced by llvm::BPFTargetMachine::BPFTargetMachine(), getMCAsmInfo(), and llvm::LLVMTargetMachine::initAsmInfo().

CMModel

CodeModel::Model llvm::TargetMachine::CMModel = CodeModel::Small

protected

Definition at line 102 of file TargetMachine.h.

Referenced by getCodeModel(), llvm::LLVMTargetMachine::LLVMTargetMachine(), and setCodeModel().

DefaultSjLjDataSize

constexpr unsigned llvm::TargetMachine::DefaultSjLjDataSize = 32

staticconstexpr

The integer bit size to use for SjLj based exception handling.

Definition at line 408 of file TargetMachine.h.

Referenced by getSjLjDataSize().

DL

const DataLayout llvm::TargetMachine::DL

protected

DataLayout for the target: keep ABI type size and alignment.

The DataLayout is created based on the string representation provided during construction. It is kept here only to avoid reparsing the string but should not really be used during compilation, because it has an internal cache that is context specific.

Definition at line 93 of file TargetMachine.h.

Referenced by createDataLayout(), getAllocaPointerSize(), getPointerSize(), getPointerSizeInBits(), getProgramPointerSize(), isCompatibleDataLayout(), and isLargeGlobalObject().

LargeDataThreshold

uint64_t llvm::TargetMachine::LargeDataThreshold = 0

protected

Definition at line 103 of file TargetMachine.h.

Referenced by isLargeGlobalObject(), and setLargeDataThreshold().

MII

std::unique_ptr<const MCInstrInfo> llvm::TargetMachine::MII

protected

Definition at line 109 of file TargetMachine.h.

Referenced by llvm::LLVMTargetMachine::createMCStreamer(), getMCInstrInfo(), and llvm::LLVMTargetMachine::initAsmInfo().

MRI

std::unique_ptr<const MCRegisterInfo> llvm::TargetMachine::MRI

protected

Definition at line 108 of file TargetMachine.h.

Referenced by llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::AMDGPUTargetMachine::AMDGPUTargetMachine(), llvm::LLVMTargetMachine::createMCStreamer(), getMCRegisterInfo(), and llvm::LLVMTargetMachine::initAsmInfo().

O0WantsFastISel

unsigned llvm::TargetMachine::O0WantsFastISel

protected

Definition at line 113 of file TargetMachine.h.

Referenced by getO0WantsFastISel(), and setO0WantsFastISel().

Options

TargetOptions llvm::TargetMachine::Options

mutable

Definition at line 119 of file TargetMachine.h.

Referenced by llvm::DwarfUnit::addAttribute(), llvm::TargetPassConfig::addCoreISelPasses(), llvm::TargetPassConfig::addMachinePasses(), llvm::LLVMTargetMachine::addPassesToEmitMC(), allowApproxFunc(), llvm::AMDGPUTargetLowering::allowApproxFunc(), llvm::NVPTXTargetLowering::allowFMA(), llvm::NVPTXTargetLowering::allowUnsafeFPMath(), llvm::ARMBaseTargetMachine::ARMBaseTargetMachine(), llvm::DwarfCFIException::beginBasicBlockSection(), llvm::AArch64RegisterInfo::cannotEliminateFrame(), llvm::ARMBaseRegisterInfo::cannotEliminateFrame(), llvm::CodeGenPassBuilder< DerivedT >::CodeGenPassBuilder(), combineFaddCFmul(), combineFMinFMax(), combineFMinNumFMaxNum(), combineSelect(), llvm::DwarfUnit::constructTypeDIE(), llvm::LLVMTargetMachine::createMCStreamer(), llvm::ARMFrameLowering::determineCalleeSaves(), llvm::TargetFrameLowering::determineCalleeSaves(), llvm::PPCFrameLowering::determineCalleeSaves(), llvm::AsmPrinter::doFinalization(), llvm::AsmPrinter::doInitialization(), llvm::DwarfDebug::DwarfDebug(), llvm::PPCFrameLowering::eliminateCallFramePseudoInstr(), llvm::SelectionDAGBuilder::EmitBranchForMergedCondition(), llvm::AArch64FrameLowering::emitEpilogue(), llvm::PPCFrameLowering::emitEpilogue(), llvm::X86AsmPrinter::emitInstruction(), llvm::AArch64FrameLowering::emitPrologue(), llvm::X86FrameLowering::emitPrologue(), llvm::ScheduleDAGSDNodes::EmitSchedule(), llvm::AsmPrinter::emitStackSizeSection(), llvm::AsmPrinter::emitStackUsage(), llvm::AsmPrinter::emitXRayTable(), llvm::AsmPrinter::emitXXStructorList(), foldFPToIntToFP(), getAIXExtendedAltivecABI(), llvm::GCNTTIImpl::getArithmeticInstrCost(), getBBSectionsFuncListBuf(), getBBSectionsType(), getDataSections(), llvm::TargetLoweringObjectFileXCOFF::getExplicitSectionGlobal(), llvm::AsmPrinter::getFunctionCFISectionType(), getFunctionSections(), getIgnoreXCOFFVisibility(), llvm::TargetLoweringObjectFile::getKindForGlobal(), llvm::TargetLowering::getNegatedExpression(), llvm::PPCTargetLowering::getNegatedExpression(), llvm::TargetLoweringBase::getPrefLoopAlignment(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), getUniqueBasicBlockSectionNames(), getUniqueSectionNames(), getXCOFFTracebackTable(), llvm::AArch64FrameLowering::hasFP(), llvm::SIFrameLowering::hasFP(), llvm::ARCFrameLowering::hasFP(), llvm::ARMFrameLowering::hasFP(), llvm::CSKYFrameLowering::hasFP(), llvm::LoongArchFrameLowering::hasFP(), llvm::M68kFrameLowering::hasFP(), llvm::MipsFrameLowering::hasFP(), llvm::MSP430FrameLowering::hasFP(), llvm::RISCVFrameLowering::hasFP(), llvm::SparcFrameLowering::hasFP(), llvm::SystemZELFFrameLowering::hasFP(), llvm::VEFrameLowering::hasFP(), llvm::X86FrameLowering::hasFP(), llvm::XCoreFrameLowering::hasFP(), llvm::LLVMTargetMachine::initAsmInfo(), llvm::TargetLoweringObjectFileELF::Initialize(), llvm::AArch64InstrInfo::isAssociativeAndCommutative(), isCombineInstrCandidateFP(), llvm::AArch64CallLowering::isEligibleForTailCallOptimization(), llvm::AMDGPUCallLowering::isEligibleForTailCallOptimization(), llvm::SITargetLowering::isEligibleForTailCallOptimization(), isFMAddSubOrFMSubAdd(), llvm::CodeGenPassBuilder< DerivedT >::isGlobalISelAbortEnabled(), llvm::TargetPassConfig::isGlobalISelAbortEnabled(), isLegalToCombineMinNumMaxNum(), llvm::AArch64TargetLowering::isProfitableToHoist(), llvm::PPCTargetLowering::isProfitableToHoist(), llvm::RISCVMachineFunctionInfo::isPushable(), llvm::BasicTTIImplBase< T >::isSingleThreaded(), llvm::AMDGPULegalizerInfo::legalizeFastUnsafeFDIV(), llvm::AMDGPULegalizerInfo::legalizeFastUnsafeFDIV64(), llvm::AMDGPULegalizerInfo::legalizeFExp(), llvm::SITargetLowering::LowerCall(), llvm::AArch64CallLowering::lowerCall(), llvm::SelectionDAGBuilder::LowerDeoptimizingReturn(), llvm::AMDGPUTargetLowering::lowerFEXP(), llvm::AMDGPUTargetLowering::LowerFLOGCommon(), LowerFMINIMUM_FMAXIMUM(), llvm::AArch64CallLowering::lowerFormalArguments(), llvm::LegalizerHelper::lowerFPTRUNC_F64_TO_F16(), llvm::AMDGPUCallLowering::lowerTailCall(), llvm::PPCFrameLowering::needsFP(), llvm::MachineFunction::needsFrameMoves(), llvm::OptLevelChanger::OptLevelChanger(), llvm::PPCFrameLowering::processFunctionBeforeFrameFinalized(), promoteToConstantPool(), llvm::CodeGenPassBuilder< DerivedT >::reportDiagnosticWhenGlobalISelFallback(), llvm::TargetPassConfig::reportDiagnosticWhenGlobalISelFallback(), llvm::SelectionDAGISel::runOnMachineFunction(), llvm::FastISel::selectOperator(), llvm::TargetLoweringObjectFileXCOFF::SelectSectionForGlobal(), setCFIFixup(), setFastISel(), setGlobalISel(), setGlobalISelAbort(), setMachineOutliner(), setSupportsDebugEntryValues(), setSupportsDefaultOutlining(), llvm::AsmPrinter::SetupMachineFunction(), llvm::ARMSubtarget::splitFramePushPop(), llvm::TargetPassConfig::TargetPassConfig(), llvm::DwarfCompileUnit::updateSubprogramScopeDIE(), useEmulatedTLS(), llvm::ARMSubtarget::useFastISel(), llvm::CSKYSubtarget::useHardFloatABI(), and llvm::NVPTXTargetLowering::usePrecSqrtF32().

OptLevel

CodeGenOptLevel llvm::TargetMachine::OptLevel = CodeGenOptLevel::Default

protected

Definition at line 104 of file TargetMachine.h.

Referenced by getOptLevel(), llvm::LLVMTargetMachine::LLVMTargetMachine(), and setOptLevel().

PGOOption

std::optional<PGOOptions> llvm::TargetMachine::PGOOption

protected

Definition at line 116 of file TargetMachine.h.

Referenced by getPGOOption(), and setPGOOption().

RequireStructuredCFG

unsigned llvm::TargetMachine::RequireStructuredCFG

protected

Definition at line 112 of file TargetMachine.h.

Referenced by requiresStructuredCFG(), and setRequiresStructuredCFG().

RM

Reloc::Model llvm::TargetMachine::RM = Reloc::Static

protected

Definition at line 101 of file TargetMachine.h.

Referenced by getRelocationModel(), getTLSModel(), llvm::LLVMTargetMachine::LLVMTargetMachine(), and shouldAssumeDSOLocal().

STI

std::unique_ptr<const MCSubtargetInfo> llvm::TargetMachine::STI

protected

Definition at line 110 of file TargetMachine.h.

Referenced by llvm::LLVMTargetMachine::addPassesToEmitMC(), llvm::AArch64TargetMachine::createMachineFunctionInfo(), llvm::GCNTargetMachine::createMachineFunctionInfo(), llvm::R600TargetMachine::createMachineFunctionInfo(), llvm::ARCTargetMachine::createMachineFunctionInfo(), llvm::ARMBaseTargetMachine::createMachineFunctionInfo(), llvm::AVRTargetMachine::createMachineFunctionInfo(), llvm::CSKYTargetMachine::createMachineFunctionInfo(), llvm::HexagonTargetMachine::createMachineFunctionInfo(), llvm::LanaiTargetMachine::createMachineFunctionInfo(), llvm::LoongArchTargetMachine::createMachineFunctionInfo(), llvm::M68kTargetMachine::createMachineFunctionInfo(), llvm::MipsTargetMachine::createMachineFunctionInfo(), llvm::MSP430TargetMachine::createMachineFunctionInfo(), llvm::NVPTXTargetMachine::createMachineFunctionInfo(), llvm::PPCTargetMachine::createMachineFunctionInfo(), llvm::RISCVTargetMachine::createMachineFunctionInfo(), llvm::SparcTargetMachine::createMachineFunctionInfo(), llvm::SystemZTargetMachine::createMachineFunctionInfo(), llvm::VETargetMachine::createMachineFunctionInfo(), llvm::WebAssemblyTargetMachine::createMachineFunctionInfo(), llvm::X86TargetMachine::createMachineFunctionInfo(), llvm::XCoreTargetMachine::createMachineFunctionInfo(), llvm::LLVMTargetMachine::createMCStreamer(), getMCSubtargetInfo(), and llvm::LLVMTargetMachine::initAsmInfo().

TargetCPU

std::string llvm::TargetMachine::TargetCPU

protected

Definition at line 98 of file TargetMachine.h.

Referenced by llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::AArch64TargetMachine::getSubtargetImpl(), llvm::ARMBaseTargetMachine::getSubtargetImpl(), llvm::CSKYTargetMachine::getSubtargetImpl(), llvm::HexagonTargetMachine::getSubtargetImpl(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::M68kTargetMachine::getSubtargetImpl(), llvm::MipsTargetMachine::getSubtargetImpl(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), llvm::SparcTargetMachine::getSubtargetImpl(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), llvm::X86TargetMachine::getSubtargetImpl(), and getTargetCPU().

TargetFS

std::string llvm::TargetMachine::TargetFS

protected

Definition at line 99 of file TargetMachine.h.

Referenced by llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::AArch64TargetMachine::getSubtargetImpl(), llvm::ARMBaseTargetMachine::getSubtargetImpl(), llvm::CSKYTargetMachine::getSubtargetImpl(), llvm::HexagonTargetMachine::getSubtargetImpl(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::M68kTargetMachine::getSubtargetImpl(), llvm::MipsTargetMachine::getSubtargetImpl(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), llvm::SparcTargetMachine::getSubtargetImpl(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), llvm::X86TargetMachine::getSubtargetImpl(), getTargetFeatureString(), and setTargetFeatureString().

TargetTriple

Triple llvm::TargetMachine::TargetTriple

protected

Triple string, CPU name, and target feature strings the TargetMachine instance is created with.

Definition at line 97 of file TargetMachine.h.

Referenced by llvm::ARMBaseTargetMachine::ARMBaseTargetMachine(), llvm::GCNTargetMachine::getSubtargetImpl(), llvm::R600TargetMachine::getSubtargetImpl(), llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::AArch64TargetMachine::getSubtargetImpl(), llvm::ARMBaseTargetMachine::getSubtargetImpl(), llvm::CSKYTargetMachine::getSubtargetImpl(), llvm::HexagonTargetMachine::getSubtargetImpl(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::M68kTargetMachine::getSubtargetImpl(), llvm::MipsTargetMachine::getSubtargetImpl(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), llvm::SparcTargetMachine::getSubtargetImpl(), llvm::X86TargetMachine::getSubtargetImpl(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), getTargetTriple(), and llvm::ARMBaseTargetMachine::isTargetHardFloat().

TheTarget

const Target& llvm::TargetMachine::TheTarget

protected

The Target that this machine was created for.

Definition at line 85 of file TargetMachine.h.

Referenced by getTarget(), and llvm::LLVMTargetMachine::initAsmInfo().

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The documentation for this class was generated from the following files:

• include/llvm/Target/TargetMachine.h
• lib/Target/TargetMachine.cpp