LLVM 23.0.0git
Public Member Functions | List of all members
llvm::X86Subtarget Class Referencefinal

#include "Target/X86/X86Subtarget.h"

Inheritance diagram for llvm::X86Subtarget:
[legend]

Public Member Functions

 X86Subtarget (const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS, const X86TargetMachine &TM, MaybeAlign StackAlignOverride, unsigned PreferVectorWidthOverride, unsigned RequiredVectorWidth)
 This constructor initializes the data members to match that of the specified triple.
 ~X86Subtarget () override
const X86TargetLowering * getTargetLowering () const override
const X86InstrInfo * getInstrInfo () const override
const X86FrameLowering * getFrameLowering () const override
const X86SelectionDAGInfo * getSelectionDAGInfo () const override
const X86RegisterInfo * getRegisterInfo () const override
unsigned getTileConfigSize () const
Align getTileConfigAlignment () const
Align getStackAlignment () const
 Returns the minimum alignment known to hold of the stack frame on entry to the function and which must be maintained by every function for this subtarget.
unsigned getMaxInlineSizeThreshold () const
 Returns the maximum memset / memcpy size that still makes it profitable to inline the call.
void ParseSubtargetFeatures (StringRef CPU, StringRef TuneCPU, StringRef FS)
 ParseSubtargetFeatures - Parses features string setting specified subtarget options.
const CallLowering * getCallLowering () const override
 Methods used by Global ISel.
InstructionSelector * getInstructionSelector () const override
const LegalizerInfo * getLegalizerInfo () const override
const RegisterBankInfo * getRegBankInfo () const override
bool isRegisterReservedByUser (Register i) const override
bool hasUserReservedRegisters () const
bool isTarget64BitILP32 () const
 Is this x86_64 with the ILP32 programming model (x32 ABI)?
bool isTarget64BitLP64 () const
 Is this x86_64 with the LP64 programming model (standard AMD64, no x32)?
PICStyles::Style getPICStyle () const
void setPICStyle (PICStyles::Style Style)
bool canUseCMPXCHG8B () const
bool canUseCMPXCHG16B () const
bool canUseCMOV () const
bool hasSSE1 () const
bool hasSSE2 () const
bool hasSSE3 () const
bool hasSSSE3 () const
bool hasSSE41 () const
bool hasSSE42 () const
bool hasAVX () const
bool hasAVX2 () const
bool hasAVX512 () const
bool hasInt256 () const
bool hasAnyFMA () const
bool hasPrefetchW () const
bool hasSSEPrefetch () const
bool canUseLAHFSAHF () const
bool useIndirectThunkCalls () const
bool useIndirectThunkBranches () const
unsigned getPreferVectorWidth () const
unsigned getRequiredVectorWidth () const
bool canExtendTo512DQ () const
bool canExtendTo512BW () const
bool hasNoDomainDelay () const
bool hasNoDomainDelayMov () const
bool hasNoDomainDelayBlend () const
bool hasNoDomainDelayShuffle () const
bool useAVX512Regs () const
bool useLight256BitInstructions () const
bool useBWIRegs () const
bool hasBitScanPassThrough () const
bool isXRaySupported () const override
bool hasCLFLUSH () const
 Use clflush if we have SSE2 or we're on x86-64 (even if we asked for no-sse2).
bool hasMFence () const
 Use mfence if we have SSE2 or we're on x86-64 (even if we asked for no-sse2).
bool avoidMFence () const
 Avoid use of mfence forfence seq_cst, and instead use lock or.
const Triple & getTargetTriple () const
bool isTargetDarwin () const
bool isTargetFreeBSD () const
bool isTargetDragonFly () const
bool isTargetSolaris () const
bool isTargetPS () const
bool isTargetELF () const
bool isTargetCOFF () const
bool isTargetMachO () const
bool isTargetLinux () const
bool isTargetKFreeBSD () const
bool isTargetHurd () const
bool isTargetGlibc () const
bool isTargetMusl () const
bool isTargetAndroid () const
bool isTargetMCU () const
bool isTargetFuchsia () const
bool isTargetWindowsMSVC () const
bool isTargetWindowsCoreCLR () const
bool isTargetWindowsCygwin () const
bool isTargetWindowsGNU () const
bool isTargetWindowsItanium () const
bool isTargetCygMing () const
bool isUEFI () const
bool isOSWindows () const
bool isTargetUEFI64 () const
bool isTargetWin64 () const
bool isTargetWin32 () const
bool isPICStyleGOT () const
bool isPICStyleRIPRel () const
bool isPICStyleStubPIC () const
bool isPositionIndependent () const
bool isCallingConvWin64 (CallingConv::ID CC) const
unsigned char classifyLocalReference (const GlobalValue *GV) const
 Classify a global variable reference for the current subtarget according to how we should reference it in a non-pcrel context.
unsigned char classifyGlobalReference (const GlobalValue *GV, const Module &M) const
unsigned char classifyGlobalReference (const GlobalValue *GV) const
 Classify a global variable reference for the current subtarget according to how we should reference it in a non-pcrel context.
unsigned char classifyGlobalFunctionReference (const GlobalValue *GV, const Module &M) const
 Classify a global function reference for the current subtarget.
unsigned char classifyGlobalFunctionReference (const GlobalValue *GV) const override
unsigned char classifyBlockAddressReference () const
 Classify a blockaddress reference for the current subtarget according to how we should reference it in a non-pcrel context.
bool isLegalToCallImmediateAddr () const
 Return true if the subtarget allows calls to immediate address.
bool swiftAsyncContextIsDynamicallySet () const
 Return whether FrameLowering should always set the "extended frame present" bit in FP, or set it based on a symbol in the runtime.
bool enableIndirectBrExpand () const override
 If we are using indirect thunks, we need to expand indirectbr to avoid it lowering to an actual indirect jump.
bool enableMachineScheduler () const override
 Enable the MachineScheduler pass for all X86 subtargets.
bool enableEarlyIfConversion () const override
void getPostRAMutations (std::vector< std::unique_ptr< ScheduleDAGMutation > > &Mutations) const override
AntiDepBreakMode getAntiDepBreakMode () const override

Detailed Description

Definition at line 53 of file X86Subtarget.h.

Constructor & Destructor Documentation

◆ X86Subtarget()

X86Subtarget::X86Subtarget ( const Triple & TT,
StringRef CPU,
StringRef TuneCPU,
StringRef FS,
const X86TargetMachine & TM,
MaybeAlign StackAlignOverride,
unsigned PreferVectorWidthOverride,
unsigned RequiredVectorWidth )

This constructor initializes the data members to match that of the specified triple.

Definition at line 317 of file X86Subtarget.cpp.

References llvm::createX86InstructionSelector(), getRegisterInfo(), getStackAlignment(), getTargetLowering(), llvm::PICStyles::GOT, is64Bit(), isPositionIndependent(), isTargetCOFF(), isTargetDarwin(), isTargetELF(), llvm::CodeModel::Large, llvm::None, llvm::PICStyles::None, llvm::PICStyles::RIPRel, setPICStyle(), and llvm::PICStyles::StubPIC.

◆ ~X86Subtarget()

X86Subtarget::~X86Subtarget ( )
overridedefault

Member Function Documentation

◆ avoidMFence()

bool llvm::X86Subtarget::avoidMFence ( ) const
inline

Avoid use of mfence forfence seq_cst, and instead use lock or.

Definition at line 289 of file X86Subtarget.h.

References is64Bit().

Referenced by LowerATOMIC_FENCE().

◆ canExtendTo512BW()

bool llvm::X86Subtarget::canExtendTo512BW ( ) const
inline

Definition at line 242 of file X86Subtarget.h.

References canExtendTo512DQ().

Referenced by lower1BitShuffle(), LowerMUL(), LowerMULH(), LowerMULO(), LowerShift(), and LowerShiftByScalarVariable().

◆ canExtendTo512DQ()

bool llvm::X86Subtarget::canExtendTo512DQ ( ) const
inline

Definition at line 239 of file X86Subtarget.h.

References getPreferVectorWidth(), and hasAVX512().

Referenced by canExtendTo512BW(), lower1BitShuffle(), LowerMULO(), LowerShift(), LowerShiftByScalarVariable(), LowerSIGN_EXTEND_Mask(), LowerTruncateVecI1(), LowerVectorCTLZ(), LowerVectorCTLZ_AVX512CDI(), LowerVectorCTPOP(), LowerZERO_EXTEND_Mask(), useAVX512Regs(), and useVPTERNLOG().

◆ canUseCMOV()

bool llvm::X86Subtarget::canUseCMOV ( ) const
inline

Definition at line 199 of file X86Subtarget.h.

References hasSSE1(), and is64Bit().

Referenced by combineCMov(), enableEarlyIfConversion(), LowerABD(), and LowerSELECTWithCmpZero().

◆ canUseCMPXCHG16B()

bool llvm::X86Subtarget::canUseCMPXCHG16B ( ) const
inline

Definition at line 193 of file X86Subtarget.h.

References is64Bit().

◆ canUseCMPXCHG8B()

bool llvm::X86Subtarget::canUseCMPXCHG8B ( ) const
inline

Definition at line 192 of file X86Subtarget.h.

◆ canUseLAHFSAHF()

bool llvm::X86Subtarget::canUseLAHFSAHF ( ) const
inline

Definition at line 221 of file X86Subtarget.h.

References is64Bit().

◆ classifyBlockAddressReference()

unsigned char X86Subtarget::classifyBlockAddressReference ( ) const

Classify a blockaddress reference for the current subtarget according to how we should reference it in a non-pcrel context.

Definition at line 59 of file X86Subtarget.cpp.

References classifyLocalReference().

◆ classifyGlobalFunctionReference() [1/2]

unsigned char X86Subtarget::classifyGlobalFunctionReference ( const GlobalValue * GV) const
override

Definition at line 186 of file X86Subtarget.cpp.

References classifyGlobalFunctionReference(), and llvm::GlobalValue::getParent().

◆ classifyGlobalFunctionReference() [2/2]

unsigned char X86Subtarget::classifyGlobalFunctionReference ( const GlobalValue * GV,
const Module & M ) const

Classify a global function reference for the current subtarget.

Definition at line 191 of file X86Subtarget.cpp.

References llvm::dyn_cast_or_null(), F, llvm::GlobalValue::hasDLLImportStorageClass(), is64Bit(), isTargetCOFF(), isTargetELF(), llvm::X86II::MO_COFFSTUB, llvm::X86II::MO_DLLIMPORT, llvm::X86II::MO_GOTPCREL, llvm::X86II::MO_NO_FLAG, llvm::X86II::MO_PLT, llvm::Reloc::Static, and llvm::CallingConv::X86_RegCall.

Referenced by classifyGlobalFunctionReference().

◆ classifyGlobalReference() [1/2]

unsigned char X86Subtarget::classifyGlobalReference ( const GlobalValue * GV) const

Classify a global variable reference for the current subtarget according to how we should reference it in a non-pcrel context.

Definition at line 66 of file X86Subtarget.cpp.

References classifyGlobalReference(), and llvm::GlobalValue::getParent().

◆ classifyGlobalReference() [2/2]

unsigned char X86Subtarget::classifyGlobalReference ( const GlobalValue * GV,
const Module & M ) const

Definition at line 124 of file X86Subtarget.cpp.

References classifyLocalReference(), llvm::GlobalValue::getAbsoluteSymbolRange(), llvm::GlobalValue::hasDLLImportStorageClass(), is64Bit(), llvm::isa(), isOSWindows(), isPositionIndependent(), isTargetCOFF(), isTargetDarwin(), isTargetELF(), llvm::CodeModel::Large, llvm::X86II::MO_ABS8, llvm::X86II::MO_COFFSTUB, llvm::X86II::MO_DARWIN_NONLAZY, llvm::X86II::MO_DARWIN_NONLAZY_PIC_BASE, llvm::X86II::MO_DLLIMPORT, llvm::X86II::MO_GOT, llvm::X86II::MO_GOTPCREL, llvm::X86II::MO_GOTPCREL_NORELAX, llvm::X86II::MO_NO_FLAG, and llvm::Reloc::Static.

Referenced by classifyGlobalReference(), and X86SelectAddress().

◆ classifyLocalReference()

unsigned char X86Subtarget::classifyLocalReference ( const GlobalValue * GV) const

Classify a global variable reference for the current subtarget according to how we should reference it in a non-pcrel context.

Definition at line 71 of file X86Subtarget.cpp.

References assert(), llvm::GlobalValue::hasCommonLinkage(), is64Bit(), llvm::isa(), llvm::GlobalValue::isDeclarationForLinker(), isPositionIndependent(), isTargetCOFF(), isTargetDarwin(), isTargetELF(), llvm::CodeModel::Large, llvm::X86II::MO_DARWIN_NONLAZY_PIC_BASE, llvm::X86II::MO_GOTOFF, llvm::X86II::MO_GOTPCREL_NORELAX, llvm::X86II::MO_NO_FLAG, llvm::X86II::MO_PIC_BASE_OFFSET, and llvm::CodeModel::Tiny.

Referenced by classifyBlockAddressReference(), classifyGlobalReference(), and X86SelectAddress().

◆ enableEarlyIfConversion()

bool X86Subtarget::enableEarlyIfConversion ( ) const
override

Definition at line 370 of file X86Subtarget.cpp.

References canUseCMOV(), and X86EarlyIfConv.

◆ enableIndirectBrExpand()

bool llvm::X86Subtarget::enableIndirectBrExpand ( ) const
inlineoverride

If we are using indirect thunks, we need to expand indirectbr to avoid it lowering to an actual indirect jump.

Definition at line 427 of file X86Subtarget.h.

References useIndirectThunkBranches().

◆ enableMachineScheduler()

bool llvm::X86Subtarget::enableMachineScheduler ( ) const
inlineoverride

Enable the MachineScheduler pass for all X86 subtargets.

Definition at line 432 of file X86Subtarget.h.

◆ getAntiDepBreakMode()

AntiDepBreakMode llvm::X86Subtarget::getAntiDepBreakMode ( ) const
inlineoverride

Definition at line 439 of file X86Subtarget.h.

◆ getCallLowering()

const CallLowering * X86Subtarget::getCallLowering ( ) const
override

Methods used by Global ISel.

Definition at line 354 of file X86Subtarget.cpp.

◆ getFrameLowering()

const X86FrameLowering * llvm::X86Subtarget::getFrameLowering ( ) const
inlineoverride

Definition at line 130 of file X86Subtarget.h.

Referenced by emitLockedStackOp(), and ExpandMOVImmSExti8().

◆ getInstrInfo()

const X86InstrInfo * llvm::X86Subtarget::getInstrInfo ( ) const
inlineoverride

Definition at line 128 of file X86Subtarget.h.

Referenced by argumentStackSlotRebase(), getRegisterInfo(), initGlobalBaseReg(), llvm::X86CallLowering::lowerCall(), ReplaceTLSBaseAddrCall(), runX86LoadValueInjectionRetHardening(), runX86SpeculativeExecutionSideEffectSuppression(), SetRegister(), UpdatedOnX86AvoidTrailingCallPass(), llvm::X86LegalizerInfo::X86LegalizerInfo(), and X86SelectAddress().

◆ getInstructionSelector()

InstructionSelector * X86Subtarget::getInstructionSelector ( ) const
override

Definition at line 358 of file X86Subtarget.cpp.

◆ getLegalizerInfo()

const LegalizerInfo * X86Subtarget::getLegalizerInfo ( ) const
override

Definition at line 362 of file X86Subtarget.cpp.

◆ getMaxInlineSizeThreshold()

unsigned llvm::X86Subtarget::getMaxInlineSizeThreshold ( ) const
inline

Returns the maximum memset / memcpy size that still makes it profitable to inline the call.

Definition at line 152 of file X86Subtarget.h.

Referenced by emitConstantSizeRepmov(), and emitConstantSizeRepstos().

◆ getPICStyle()

PICStyles::Style llvm::X86Subtarget::getPICStyle ( ) const
inline

Definition at line 189 of file X86Subtarget.h.

◆ getPostRAMutations()

void X86Subtarget::getPostRAMutations ( std::vector< std::unique_ptr< ScheduleDAGMutation > > & Mutations) const
override

Definition at line 374 of file X86Subtarget.cpp.

References llvm::createX86MacroFusionDAGMutation().

◆ getPreferVectorWidth()

unsigned llvm::X86Subtarget::getPreferVectorWidth ( ) const
inline

Definition at line 232 of file X86Subtarget.h.

Referenced by canExtendTo512DQ(), combineConcatVectorOps(), and useLight256BitInstructions().

◆ getRegBankInfo()

const RegisterBankInfo * X86Subtarget::getRegBankInfo ( ) const
override

Definition at line 366 of file X86Subtarget.cpp.

◆ getRegisterInfo()

const X86RegisterInfo * llvm::X86Subtarget::getRegisterInfo ( ) const
inlineoverride

Definition at line 138 of file X86Subtarget.h.

References getInstrInfo(), and llvm::X86InstrInfo::getRegisterInfo().

Referenced by argumentStackSlotRebase(), expandXorFP(), getBroadcastOpcode(), getLoadStoreRegOpcode(), llvm::X86CallLowering::lowerCall(), runX86LoadValueInjectionRetHardening(), and X86Subtarget().

◆ getRequiredVectorWidth()

unsigned llvm::X86Subtarget::getRequiredVectorWidth ( ) const
inline

Definition at line 233 of file X86Subtarget.h.

◆ getSelectionDAGInfo()

const X86SelectionDAGInfo * llvm::X86Subtarget::getSelectionDAGInfo ( ) const
inlineoverride

Definition at line 134 of file X86Subtarget.h.

◆ getStackAlignment()

Align llvm::X86Subtarget::getStackAlignment ( ) const
inline

Returns the minimum alignment known to hold of the stack frame on entry to the function and which must be maintained by every function for this subtarget.

Definition at line 148 of file X86Subtarget.h.

Referenced by X86Subtarget().

◆ getTargetLowering()

const X86TargetLowering * llvm::X86Subtarget::getTargetLowering ( ) const
inlineoverride

Definition at line 124 of file X86Subtarget.h.

Referenced by combineConcatVectorOps(), combineOrCmpEqZeroToCtlzSrl(), combineSIntToFP(), llvm::X86RegisterInfo::getCalleeSavedRegs(), llvm::X86RegisterInfo::getCallPreservedMask(), and X86Subtarget().

◆ getTargetTriple()

const Triple & llvm::X86Subtarget::getTargetTriple ( ) const
inline

Definition at line 291 of file X86Subtarget.h.

Referenced by computeBytesPoppedByCalleeForSRet(), hasCalleePopSRet(), and swiftAsyncContextIsDynamicallySet().

◆ getTileConfigAlignment()

Align llvm::X86Subtarget::getTileConfigAlignment ( ) const
inline

Definition at line 143 of file X86Subtarget.h.

◆ getTileConfigSize()

unsigned llvm::X86Subtarget::getTileConfigSize ( ) const
inline

Definition at line 142 of file X86Subtarget.h.

◆ hasAnyFMA()

bool llvm::X86Subtarget::hasAnyFMA ( ) const
inline

Definition at line 210 of file X86Subtarget.h.

Referenced by combineFMA(), combineFneg(), combineShuffleToFMAddSub(), and isFMAddSubOrFMSubAdd().

◆ hasAVX()

bool llvm::X86Subtarget::hasAVX ( ) const
inline

Definition at line 206 of file X86Subtarget.h.

Referenced by combineAdd(), combineAndShuffleNot(), combineBitcastvxi1(), combineCONCAT_VECTORS(), combineConcatVectorOps(), combineConstantPoolLoads(), combineEXTRACT_SUBVECTOR(), combineLoad(), combinePredicateReduction(), combinePTESTCC(), combineSelect(), combineSetCC(), combineSetCCMOVMSK(), combineToHorizontalAddSub(), combineVectorSizedSetCCEquality(), combineX86ShuffleChain(), convertIntLogicToFPLogic(), CopyToFromAsymmetricReg(), createVariablePermute(), EltsFromConsecutiveLoads(), llvm::X86RegisterInfo::getCalleeSavedRegs(), llvm::X86RegisterInfo::getCallPreservedMask(), getLoadStoreRegOpcode(), isLegalConversion(), LowerANY_EXTEND(), LowerATOMIC_STORE(), lowerBuildVectorAsBroadcast(), LowerEXTEND_VECTOR_INREG(), LowerShift(), lowerShuffleAsBlend(), lowerShuffleAsBroadcast(), lowerShuffleAsDecomposedShuffleMerge(), LowerToHorizontalOp(), lowerUINT_TO_FP_vXi32(), lowerV2F64Shuffle(), lowerV4F32Shuffle(), LowerVectorAllEqual(), LowerVSETCC(), LowerVSETCCWithSUBUS(), LowerZERO_EXTEND(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), matchTruncateWithPACK(), matchUnaryPermuteShuffle(), matchUnaryShuffle(), llvm::X86::mayFoldLoad(), llvm::X86::mayFoldLoadIntoBroadcastFromMem(), useVectorCast(), and X86ChooseCmpOpcode().

◆ hasAVX2()

bool llvm::X86Subtarget::hasAVX2 ( ) const
inline

Definition at line 207 of file X86Subtarget.h.

Referenced by combineBitcastvxi1(), combineBlendOfPermutes(), combineConcatVectorOps(), combineEXTRACT_SUBVECTOR(), combineSelect(), combineSetCC(), combineTargetShuffle(), combineToExtendBoolVectorInReg(), combineVSelectToBLENDV(), combineX86ShuffleChain(), combineX86ShufflesRecursively(), convertShiftLeftToScale(), createVariablePermute(), EltsFromConsecutiveLoads(), expandFP_TO_UINT_SSE(), foldVectorXorShiftIntoCmp(), hasInt256(), isHorizontalBinOp(), lower256BitShuffle(), lowerBuildVectorAsBlend(), lowerBuildVectorAsBroadcast(), LowerFunnelShift(), LowerMGATHER(), LowerRotate(), LowerShift(), lowerShuffleAsBlend(), lowerShuffleAsBroadcast(), lowerShuffleAsByteRotateAndPermute(), lowerShuffleAsDecomposedShuffleMerge(), lowerShuffleAsLanePermuteAndPermute(), lowerShuffleAsLanePermuteAndShuffle(), lowerShuffleAsRepeatedMaskAndLanePermute(), lowerShuffleAsSplitOrBlend(), lowerShuffleAsTruncBroadcast(), lowerShuffleWithPSHUFB(), lowerShuffleWithUndefHalf(), LowerToHorizontalOp(), lowerV16I16Shuffle(), lowerV2F64Shuffle(), lowerV2I64Shuffle(), lowerV2X128Shuffle(), lowerV32I8Shuffle(), lowerV4F32Shuffle(), lowerV4F64Shuffle(), lowerV4I32Shuffle(), lowerV4I64Shuffle(), lowerV8F32Shuffle(), lowerV8I16Shuffle(), lowerV8I32Shuffle(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), matchUnaryPermuteShuffle(), and SplitOpsAndApply().

◆ hasAVX512()

bool llvm::X86Subtarget::hasAVX512 ( ) const
inline

Definition at line 208 of file X86Subtarget.h.

Referenced by canCombineAsMaskOperation(), canExtendTo512DQ(), canonicalizeBoolMask(), combineArithReduction(), combineAVX512SetCCToKMOV(), combineBitcast(), combineBitcastvxi1(), combineCastedMaskArithmetic(), combineCompareEqual(), combineConcatVectorOps(), combineExtSetcc(), combineLoad(), combineMaskedLoad(), combineMulToPMADDWD(), combinePMULH(), combineSelect(), combineSetCC(), combineStore(), combineTargetShuffle(), combineToExtendBoolVectorInReg(), combineTruncateWithSat(), combineVectorPack(), combineX86ShuffleChain(), commuteSelect(), convertShiftLeftToScale(), CopyToFromAsymmetricReg(), createVariablePermute(), EmitAVX512Test(), getAVX512Node(), getBroadcastOpcode(), llvm::X86RegisterInfo::getCalleeSavedRegs(), llvm::X86RegisterInfo::getCallPreservedMask(), llvm::X86RegisterInfo::getLargestLegalSuperClass(), getLoadStoreRegOpcode(), llvm::X86RegisterInfo::getReservedRegs(), isMaskableNode(), lower1BitShuffle(), lower512BitShuffle(), LowerBITCAST(), LowerEXTEND_VECTOR_INREG(), LowerFunnelShift(), LowerLoad(), LowerMGATHER(), LowerMLOAD(), LowerMSCATTER(), LowerMSTORE(), LowerMULH(), LowerShift(), lowerShuffleAsBitRotate(), lowerShuffleAsVTRUNC(), lowerShuffleWithUndefHalf(), lowerShuffleWithVPMOV(), LowerStore(), lowerUINT_TO_FP_v2i32(), lowerUINT_TO_FP_vXi32(), lowerV16I16Shuffle(), lowerV2X128Shuffle(), lowerV32I8Shuffle(), lowerV8F32Shuffle(), lowerV8I32Shuffle(), lowerVECTOR_COMPRESS(), LowerVSETCC(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), matchShuffleAsBitRotate(), matchTruncateWithPACK(), matchUnaryPermuteShuffle(), matchUnaryShuffle(), supportedVectorShiftWithImm(), supportedVectorVarShift(), truncateAVX512SetCCNoBWI(), truncateVectorWithPACK(), useAVX512Regs(), useVectorCast(), and X86ChooseCmpOpcode().

◆ hasBitScanPassThrough()

bool llvm::X86Subtarget::hasBitScanPassThrough ( ) const
inline

Definition at line 274 of file X86Subtarget.h.

References is64Bit().

Referenced by combineCMov(), LowerCTLZ(), and LowerCTTZ().

◆ hasCLFLUSH()

bool llvm::X86Subtarget::hasCLFLUSH ( ) const
inline

Use clflush if we have SSE2 or we're on x86-64 (even if we asked for no-sse2).

There isn't any reason to disable it if the target processor supports it.

Definition at line 281 of file X86Subtarget.h.

References hasSSE2(), and is64Bit().

◆ hasInt256()

bool llvm::X86Subtarget::hasInt256 ( ) const
inline

Definition at line 209 of file X86Subtarget.h.

References hasAVX2().

Referenced by combineConcatVectorOps(), combineHorizOpWithShuffle(), combineLoad(), combineLogicBlendIntoPBLENDV(), combinePMULH(), combinePredicateReduction(), combineSetCCMOVMSK(), combineSignExtendInReg(), combineToExtendBoolVectorInReg(), convertShiftLeftToScale(), EltsFromConsecutiveLoads(), getPMOVMSKB(), LowerABD(), LowerABS(), LowerADDSAT_SUBSAT(), LowerAVG(), LowerAVXExtend(), LowerBITREVERSE(), lowerBuildVectorAsBroadcast(), LowerEXTEND_VECTOR_INREG(), LowerMINMAX(), LowerMUL(), LowerMULH(), LowerMULO(), LowerShift(), LowerShiftByScalarImmediate(), LowerSIGN_EXTEND(), LowerVectorCTLZ(), LowerVectorCTPOP(), LowerVSETCC(), matchBinaryShuffle(), matchUnaryShuffle(), PromoteMaskArithmetic(), supportedVectorShiftWithImm(), supportedVectorVarShift(), and truncateVectorWithPACK().

◆ hasMFence()

bool llvm::X86Subtarget::hasMFence ( ) const
inline

Use mfence if we have SSE2 or we're on x86-64 (even if we asked for no-sse2).

There isn't any reason to disable it if the target processor supports it.

Definition at line 286 of file X86Subtarget.h.

References hasSSE2(), and is64Bit().

Referenced by LowerATOMIC_FENCE().

◆ hasNoDomainDelay()

bool llvm::X86Subtarget::hasNoDomainDelay ( ) const
inline

Definition at line 246 of file X86Subtarget.h.

Referenced by hasNoDomainDelayBlend(), hasNoDomainDelayMov(), and hasNoDomainDelayShuffle().

◆ hasNoDomainDelayBlend()

bool llvm::X86Subtarget::hasNoDomainDelayBlend ( ) const
inline

Definition at line 250 of file X86Subtarget.h.

References hasNoDomainDelay().

◆ hasNoDomainDelayMov()

bool llvm::X86Subtarget::hasNoDomainDelayMov ( ) const
inline

Definition at line 247 of file X86Subtarget.h.

References hasNoDomainDelay().

◆ hasNoDomainDelayShuffle()

bool llvm::X86Subtarget::hasNoDomainDelayShuffle ( ) const
inline

Definition at line 253 of file X86Subtarget.h.

References hasNoDomainDelay().

◆ hasPrefetchW()

bool llvm::X86Subtarget::hasPrefetchW ( ) const
inline

Definition at line 211 of file X86Subtarget.h.

◆ hasSSE1()

bool llvm::X86Subtarget::hasSSE1 ( ) const
inline

Definition at line 200 of file X86Subtarget.h.

Referenced by canUseCMOV(), combineAnd(), combineBitcast(), combineBitcastvxi1(), combineCMov(), combineFAndFNotToFAndn(), combineFMinNumFMaxNum(), combineOr(), combineSelectToMinMax(), combineSetCC(), combineXor(), convertIntLogicToFPLogic(), createMMXBuildVector(), createSetFPEnvNodes(), get64BitArgumentXMMs(), llvm::X86RegisterInfo::getCalleeSavedRegs(), llvm::X86RegisterInfo::getCallPreservedMask(), hasSSEPrefetch(), LowerATOMIC_STORE(), LowerStore(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), and X86ChooseCmpOpcode().

◆ hasSSE2()

bool llvm::X86Subtarget::hasSSE2 ( ) const
inline

Definition at line 201 of file X86Subtarget.h.

Referenced by combineAnd(), combineAndShuffleNot(), combineArithReduction(), combineBasicSADPattern(), combineBitcast(), combineBitcastvxi1(), combineCMov(), combineCompareEqual(), combineExtractWithShuffle(), combineFAndFNotToFAndn(), combineFMinNumFMaxNum(), combineFPToSInt(), combineLogicBlendIntoPBLENDV(), combineMOVMSK(), combineMulToPMADDWD(), combineMulToPMULDQ(), combineOr(), combinePMULH(), combinePredicateReduction(), combineSelectToMinMax(), combineSetCC(), combineShiftToPMULH(), combineStore(), combineToExtendBoolVectorInReg(), combineTruncateWithSat(), combineVectorSizedSetCCEquality(), combineX86FPLogicOp(), combineX86ShuffleChain(), combineXor(), convertIntLogicToFPLogic(), EltsFromConsecutiveLoads(), foldVectorXorShiftIntoCmp(), getZeroVector(), hasCLFLUSH(), hasMFence(), isLegalConversion(), LowerATOMIC_STORE(), LowerBITCAST(), LowerBuildVectorAsInsert(), LowerEXTEND_VECTOR_INREG(), lowerFPToIntToFP(), LowerMUL(), LowerMULH(), LowerShift(), LowerStore(), lowerV4F32Shuffle(), LowerVSETCC(), LowerVSETCCWithSUBUS(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), matchPMADDWD(), matchPMADDWD_2(), matchTruncateWithPACK(), matchUnaryPermuteShuffle(), matchUnaryShuffle(), MatchVectorAllEqualTest(), materializeVectorConstant(), reduceVMULWidth(), SplitOpsAndApply(), supportedVectorShiftWithImm(), truncateVectorWithPACK(), useVectorCast(), and X86ChooseCmpOpcode().

◆ hasSSE3()

bool llvm::X86Subtarget::hasSSE3 ( ) const
inline

Definition at line 202 of file X86Subtarget.h.

Referenced by combineArithReduction(), combineToHorizontalAddSub(), isAddSubOrSubAdd(), isAddSubOrSubAdd(), lowerAddSubToHorizontalOp(), LowerBuildVectorv4x32(), lowerShuffleAsBitRotate(), lowerShuffleAsBroadcast(), LowerToHorizontalOp(), LowerUINT_TO_FP_i64(), lowerV4F32Shuffle(), and matchUnaryShuffle().

◆ hasSSE41()

bool llvm::X86Subtarget::hasSSE41 ( ) const
inline

Definition at line 204 of file X86Subtarget.h.

Referenced by combineArithReduction(), combineEXTEND_VECTOR_INREG(), combineExtractWithShuffle(), combineLogicBlendIntoPBLENDV(), combineMinMaxReduction(), combineMulToPMADDWD(), combineMulToPMULDQ(), combineSetCCMOVMSK(), combineTruncateWithSat(), combineVectorSizedSetCCEquality(), combineVSelectToBLENDV(), combineX86ShuffleChain(), convertShiftLeftToScale(), createVariablePermute(), getPack(), getTargetVShiftNode(), LowerABS(), LowerBuildVectorAsInsert(), LowerBuildVectorv16i8(), LowerBuildVectorv4x32(), LowerBuildVectorv8i16(), LowerMUL(), LowerMULH(), LowerRotate(), LowerShift(), lowerShuffleAsBlend(), lowerShuffleAsDecomposedShuffleMerge(), lowerShuffleAsSpecificExtension(), lowerShuffleWithPACK(), LowerTruncateVecPack(), lowerUINT_TO_FP_vXi32(), lowerV16I8Shuffle(), lowerV2F64Shuffle(), lowerV2I64Shuffle(), lowerV4F32Shuffle(), lowerV4I32Shuffle(), lowerV8I16Shuffle(), LowerVectorAllEqual(), LowerVSETCC(), matchBinaryPermuteShuffle(), matchBinaryShuffle(), matchShuffleWithPACK(), matchShuffleWithUNPCK(), matchTruncateWithPACK(), matchUnaryShuffle(), reduceVMULWidth(), and truncateVectorWithPACK().

◆ hasSSE42()

bool llvm::X86Subtarget::hasSSE42 ( ) const
inline

Definition at line 205 of file X86Subtarget.h.

Referenced by LowerShiftByScalarImmediate(), and LowerVSETCC().

◆ hasSSEPrefetch()

bool llvm::X86Subtarget::hasSSEPrefetch ( ) const
inline

Definition at line 216 of file X86Subtarget.h.

References hasSSE1().

◆ hasSSSE3()

bool llvm::X86Subtarget::hasSSSE3 ( ) const
inline

Definition at line 203 of file X86Subtarget.h.

Referenced by combineArithReduction(), combineBITREVERSE(), combineToHorizontalAddSub(), combineX86ShuffleChain(), createVariablePermute(), detectPMADDUBSW(), lowerAddSubToHorizontalOp(), LowerBITREVERSE(), LowerMUL(), LowerShift(), lowerShuffleAsByteRotate(), lowerShuffleAsByteRotateAndPermute(), lowerShuffleAsByteShiftMask(), lowerShuffleAsSpecificExtension(), lowerShuffleWithPSHUFB(), LowerToHorizontalOp(), LowerTruncateVecPack(), lowerV16I8Shuffle(), lowerV2I64Shuffle(), lowerV4I32Shuffle(), lowerV8I16Shuffle(), LowerVectorCTLZ(), LowerVectorCTPOP(), matchBinaryPermuteShuffle(), and matchTruncateWithPACK().

◆ hasUserReservedRegisters()

bool llvm::X86Subtarget::hasUserReservedRegisters ( ) const
inline

Definition at line 167 of file X86Subtarget.h.

◆ isCallingConvWin64()

bool llvm::X86Subtarget::isCallingConvWin64 ( CallingConv::ID CC) const
inline

Definition at line 353 of file X86Subtarget.h.

References llvm::CallingConv::C, llvm::CallingConv::Fast, llvm::CallingConv::Intel_OCL_BI, isTargetUEFI64(), isTargetWin64(), llvm::CallingConv::Swift, llvm::CallingConv::SwiftTail, llvm::CallingConv::Tail, llvm::CallingConv::Win64, llvm::CallingConv::X86_64_SysV, llvm::CallingConv::X86_FastCall, llvm::CallingConv::X86_StdCall, llvm::CallingConv::X86_ThisCall, and llvm::CallingConv::X86_VectorCall.

Referenced by get64BitArgumentGPRs(), get64BitArgumentXMMs(), llvm::X86CallLowering::lowerCall(), and LowerVACOPY().

◆ isLegalToCallImmediateAddr()

bool X86Subtarget::isLegalToCallImmediateAddr ( ) const

Return true if the subtarget allows calls to immediate address.

Definition at line 240 of file X86Subtarget.cpp.

References isTargetELF(), isTargetWin32(), and llvm::Reloc::Static.

◆ isOSWindows()

bool llvm::X86Subtarget::isOSWindows ( ) const
inline

Definition at line 336 of file X86Subtarget.h.

Referenced by classifyGlobalReference(), isTargetWin32(), and isTargetWin64().

◆ isPICStyleGOT()

bool llvm::X86Subtarget::isPICStyleGOT ( ) const
inline

Definition at line 344 of file X86Subtarget.h.

References llvm::PICStyles::GOT.

Referenced by initGlobalBaseReg().

◆ isPICStyleRIPRel()

bool llvm::X86Subtarget::isPICStyleRIPRel ( ) const
inline

Definition at line 345 of file X86Subtarget.h.

References llvm::PICStyles::RIPRel.

Referenced by X86SelectAddress().

◆ isPICStyleStubPIC()

bool llvm::X86Subtarget::isPICStyleStubPIC ( ) const
inline

Definition at line 347 of file X86Subtarget.h.

References llvm::PICStyles::StubPIC.

◆ isPositionIndependent()

bool X86Subtarget::isPositionIndependent ( ) const

Definition at line 379 of file X86Subtarget.cpp.

Referenced by classifyGlobalReference(), classifyLocalReference(), and X86Subtarget().

◆ isRegisterReservedByUser()

bool llvm::X86Subtarget::isRegisterReservedByUser ( Register i) const
inlineoverride

Definition at line 164 of file X86Subtarget.h.

References llvm::Register::id().

Referenced by llvm::X86SelectionDAGInfo::EmitTargetCodeForMemcpy(), and llvm::X86SelectionDAGInfo::EmitTargetCodeForMemset().

◆ isTarget64BitILP32()

bool llvm::X86Subtarget::isTarget64BitILP32 ( ) const
inline

Is this x86_64 with the ILP32 programming model (x32 ABI)?

Definition at line 184 of file X86Subtarget.h.

Referenced by argumentStackSlotRebase(), getLeaOP(), llvm::X86RegisterInfo::getPtrSizedFrameRegister(), and llvm::X86RegisterInfo::getPtrSizedStackRegister().

◆ isTarget64BitLP64()

bool llvm::X86Subtarget::isTarget64BitLP64 ( ) const
inline

Is this x86_64 with the LP64 programming model (standard AMD64, no x32)?

Definition at line 187 of file X86Subtarget.h.

Referenced by emitRepmovs(), emitRepstos(), and LowerVACOPY().

◆ isTargetAndroid()

bool llvm::X86Subtarget::isTargetAndroid ( ) const
inline

Definition at line 308 of file X86Subtarget.h.

◆ isTargetCOFF()

bool llvm::X86Subtarget::isTargetCOFF ( ) const
inline

Definition at line 300 of file X86Subtarget.h.

Referenced by classifyGlobalFunctionReference(), classifyGlobalReference(), classifyLocalReference(), and X86Subtarget().

◆ isTargetCygMing()

bool llvm::X86Subtarget::isTargetCygMing ( ) const
inline

Definition at line 332 of file X86Subtarget.h.

◆ isTargetDarwin()

bool llvm::X86Subtarget::isTargetDarwin ( ) const
inline

Definition at line 293 of file X86Subtarget.h.

Referenced by classifyGlobalReference(), classifyLocalReference(), and X86Subtarget().

◆ isTargetDragonFly()

bool llvm::X86Subtarget::isTargetDragonFly ( ) const
inline

Definition at line 295 of file X86Subtarget.h.

◆ isTargetELF()

bool llvm::X86Subtarget::isTargetELF ( ) const
inline

Definition at line 299 of file X86Subtarget.h.

Referenced by argumentStackSlotRebase(), classifyGlobalFunctionReference(), classifyGlobalReference(), classifyLocalReference(), isLegalToCallImmediateAddr(), and X86Subtarget().

◆ isTargetFreeBSD()

bool llvm::X86Subtarget::isTargetFreeBSD ( ) const
inline

Definition at line 294 of file X86Subtarget.h.

◆ isTargetFuchsia()

bool llvm::X86Subtarget::isTargetFuchsia ( ) const
inline

Definition at line 310 of file X86Subtarget.h.

◆ isTargetGlibc()

bool llvm::X86Subtarget::isTargetGlibc ( ) const
inline

Definition at line 306 of file X86Subtarget.h.

◆ isTargetHurd()

bool llvm::X86Subtarget::isTargetHurd ( ) const
inline

Definition at line 305 of file X86Subtarget.h.

◆ isTargetKFreeBSD()

bool llvm::X86Subtarget::isTargetKFreeBSD ( ) const
inline

Definition at line 304 of file X86Subtarget.h.

◆ isTargetLinux()

bool llvm::X86Subtarget::isTargetLinux ( ) const
inline

Definition at line 303 of file X86Subtarget.h.

Referenced by argumentStackSlotRebase(), and llvm::X86CallLowering::lowerCall().

◆ isTargetMachO()

bool llvm::X86Subtarget::isTargetMachO ( ) const
inline

Definition at line 301 of file X86Subtarget.h.

◆ isTargetMCU()

bool llvm::X86Subtarget::isTargetMCU ( ) const
inline

Definition at line 309 of file X86Subtarget.h.

Referenced by computeBytesPoppedByCalleeForSRet().

◆ isTargetMusl()

bool llvm::X86Subtarget::isTargetMusl ( ) const
inline

Definition at line 307 of file X86Subtarget.h.

◆ isTargetPS()

bool llvm::X86Subtarget::isTargetPS ( ) const
inline

Definition at line 297 of file X86Subtarget.h.

◆ isTargetSolaris()

bool llvm::X86Subtarget::isTargetSolaris ( ) const
inline

Definition at line 296 of file X86Subtarget.h.

◆ isTargetUEFI64()

bool llvm::X86Subtarget::isTargetUEFI64 ( ) const
inline

Definition at line 338 of file X86Subtarget.h.

References isUEFI().

Referenced by isCallingConvWin64().

◆ isTargetWin32()

bool llvm::X86Subtarget::isTargetWin32 ( ) const
inline

Definition at line 342 of file X86Subtarget.h.

References isOSWindows().

Referenced by isLegalToCallImmediateAddr().

◆ isTargetWin64()

bool llvm::X86Subtarget::isTargetWin64 ( ) const
inline

Definition at line 340 of file X86Subtarget.h.

References isOSWindows().

Referenced by isCallingConvWin64(), and UpdatedOnX86AvoidTrailingCallPass().

◆ isTargetWindowsCoreCLR()

bool llvm::X86Subtarget::isTargetWindowsCoreCLR ( ) const
inline

Definition at line 316 of file X86Subtarget.h.

◆ isTargetWindowsCygwin()

bool llvm::X86Subtarget::isTargetWindowsCygwin ( ) const
inline

Definition at line 320 of file X86Subtarget.h.

◆ isTargetWindowsGNU()

bool llvm::X86Subtarget::isTargetWindowsGNU ( ) const
inline

Definition at line 324 of file X86Subtarget.h.

◆ isTargetWindowsItanium()

bool llvm::X86Subtarget::isTargetWindowsItanium ( ) const
inline

Definition at line 328 of file X86Subtarget.h.

◆ isTargetWindowsMSVC()

bool llvm::X86Subtarget::isTargetWindowsMSVC ( ) const
inline

Definition at line 312 of file X86Subtarget.h.

◆ isUEFI()

bool llvm::X86Subtarget::isUEFI ( ) const
inline

Definition at line 334 of file X86Subtarget.h.

Referenced by isTargetUEFI64().

◆ isXRaySupported()

bool llvm::X86Subtarget::isXRaySupported ( ) const
inlineoverride

Definition at line 276 of file X86Subtarget.h.

References is64Bit().

◆ ParseSubtargetFeatures()

void llvm::X86Subtarget::ParseSubtargetFeatures ( StringRef CPU,
StringRef TuneCPU,
StringRef FS )

ParseSubtargetFeatures - Parses features string setting specified subtarget options.

Definition of function is auto generated by tblgen.

◆ setPICStyle()

void llvm::X86Subtarget::setPICStyle ( PICStyles::Style Style)
inline

Definition at line 190 of file X86Subtarget.h.

Referenced by X86Subtarget().

◆ swiftAsyncContextIsDynamicallySet()

bool llvm::X86Subtarget::swiftAsyncContextIsDynamicallySet ( ) const
inline

Return whether FrameLowering should always set the "extended frame present" bit in FP, or set it based on a symbol in the runtime.

Definition at line 403 of file X86Subtarget.h.

References llvm::Triple::Darwin, getTargetTriple(), llvm::Triple::IOS, llvm::Triple::MacOSX, llvm::Triple::TvOS, and llvm::Triple::WatchOS.

◆ useAVX512Regs()

bool llvm::X86Subtarget::useAVX512Regs ( ) const
inline

Definition at line 259 of file X86Subtarget.h.

References canExtendTo512DQ(), and hasAVX512().

Referenced by llvm::X86TTIImpl::areTypesABICompatible(), combineAdd(), combineAndShuffleNot(), combineConcatVectorOps(), combineExtSetcc(), combineTargetShuffle(), combineTruncateWithSat(), combineVectorSizedSetCCEquality(), combineX86ShuffleChain(), handleMaskRegisterForCallingConv(), isLegalConversion(), lowerFPToIntToFP(), lowerShuffleAsVTRUNC(), LowerVectorAllEqual(), LowerVSETCC(), matchUnaryShuffle(), SplitOpsAndApply(), supportedVectorShiftWithImm(), supportedVectorVarShift(), and useBWIRegs().

◆ useBWIRegs()

bool llvm::X86Subtarget::useBWIRegs ( ) const
inline

Definition at line 267 of file X86Subtarget.h.

References useAVX512Regs().

Referenced by combineConcatVectorOps(), lower1BitShuffle(), LowerABD(), LowerFunnelShift(), LowerRotate(), LowerShift(), matchUnaryShuffle(), and SplitOpsAndApply().

◆ useIndirectThunkBranches()

bool llvm::X86Subtarget::useIndirectThunkBranches ( ) const
inline

Definition at line 228 of file X86Subtarget.h.

Referenced by enableIndirectBrExpand().

◆ useIndirectThunkCalls()

bool llvm::X86Subtarget::useIndirectThunkCalls ( ) const
inline

Definition at line 225 of file X86Subtarget.h.

◆ useLight256BitInstructions()

bool llvm::X86Subtarget::useLight256BitInstructions ( ) const
inline

Definition at line 263 of file X86Subtarget.h.

References getPreferVectorWidth().

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