llvm::AArch64Subtarget Class Reference

#include "Target/AArch64/AArch64Subtarget.h"

Inheritance diagram for llvm::AArch64Subtarget:

Public Types
enum	ARMProcFamilyEnum : uint8_t {   Others , A64FX , Ampere1 , Ampere1A ,   AppleA7 , AppleA10 , AppleA11 , AppleA12 ,   AppleA13 , AppleA14 , AppleA15 , AppleA16 ,   Carmel , CortexA35 , CortexA53 , CortexA55 ,   CortexA510 , CortexA57 , CortexA65 , CortexA72 ,   CortexA73 , CortexA75 , CortexA76 , CortexA77 ,   CortexA78 , CortexA78C , CortexA710 , CortexA715 ,   CortexR82 , CortexX1 , CortexX1C , CortexX2 ,   CortexX3 , ExynosM3 , Falkor , Kryo ,   NeoverseE1 , NeoverseN1 , NeoverseN2 , Neoverse512TVB ,   NeoverseV1 , NeoverseV2 , Saphira , ThunderX2T99 ,   ThunderX , ThunderXT81 , ThunderXT83 , ThunderXT88 ,   ThunderX3T110 , TSV110 }

Public Member Functions
	AArch64Subtarget (const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS, const TargetMachine &TM, bool LittleEndian, unsigned MinSVEVectorSizeInBitsOverride=0, unsigned MaxSVEVectorSizeInBitsOverride=0, bool StreamingSVEMode=false, bool StreamingCompatibleSVEMode=false)
	This constructor initializes the data members to match that of the specified triple.
const AArch64SelectionDAGInfo *	getSelectionDAGInfo () const override
const AArch64FrameLowering *	getFrameLowering () const override
const AArch64TargetLowering *	getTargetLowering () const override
const AArch64InstrInfo *	getInstrInfo () const override
const AArch64RegisterInfo *	getRegisterInfo () const override
const CallLowering *	getCallLowering () const override
const InlineAsmLowering *	getInlineAsmLowering () const override
InstructionSelector *	getInstructionSelector () const override
const LegalizerInfo *	getLegalizerInfo () const override
const RegisterBankInfo *	getRegBankInfo () const override
const Triple &	getTargetTriple () const
bool	enableMachineScheduler () const override
bool	enablePostRAScheduler () const override
ARMProcFamilyEnum	getProcFamily () const
	Returns ARM processor family.
bool	isXRaySupported () const override
bool	isStreaming () const
	Returns true if the function has a streaming body.
bool	isStreamingCompatible () const
	Returns true if the function has a streaming-compatible body.
bool	isNeonAvailable () const
	Returns true if the target has NEON and the function at runtime is known to have NEON enabled (e.g.
bool	isSVEAvailable () const
	Returns true if the target has SVE and can use the full range of SVE instructions, for example because it knows the function is known not to be in streaming-SVE mode or when the target has FEAT_FA64 enabled.
unsigned	getMinVectorRegisterBitWidth () const
bool	isXRegisterReserved (size_t i) const
bool	isXRegisterReservedForRA (size_t i) const
unsigned	getNumXRegisterReserved () const
bool	isXRegCustomCalleeSaved (size_t i) const
bool	hasCustomCallingConv () const
bool	hasFusion () const
	Return true if the CPU supports any kind of instruction fusion.
unsigned	getMaxInterleaveFactor () const
unsigned	getVectorInsertExtractBaseCost () const
unsigned	getCacheLineSize () const override
unsigned	getPrefetchDistance () const override
unsigned	getMinPrefetchStride (unsigned NumMemAccesses, unsigned NumStridedMemAccesses, unsigned NumPrefetches, bool HasCall) const override
unsigned	getMaxPrefetchIterationsAhead () const override
Align	getPrefFunctionAlignment () const
Align	getPrefLoopAlignment () const
unsigned	getMaxBytesForLoopAlignment () const
unsigned	getMaximumJumpTableSize () const
bool	supportsAddressTopByteIgnored () const
	CPU has TBI (top byte of addresses is ignored during HW address translation) and OS enables it.
bool	isLittleEndian () const
bool	isTargetDarwin () const
bool	isTargetIOS () const
bool	isTargetLinux () const
bool	isTargetWindows () const
bool	isTargetAndroid () const
bool	isTargetFuchsia () const
bool	isWindowsArm64EC () const
bool	isTargetCOFF () const
bool	isTargetELF () const
bool	isTargetMachO () const
bool	isTargetILP32 () const
bool	useAA () const override
bool	addrSinkUsingGEPs () const override
bool	useSmallAddressing () const
void	ParseSubtargetFeatures (StringRef CPU, StringRef TuneCPU, StringRef FS)
	ParseSubtargetFeatures - Parses features string setting specified subtarget options.
unsigned	ClassifyGlobalReference (const GlobalValue *GV, const TargetMachine &TM) const
	ClassifyGlobalReference - Find the target operand flags that describe how a global value should be referenced for the current subtarget.
unsigned	classifyGlobalFunctionReference (const GlobalValue *GV, const TargetMachine &TM) const
unsigned char	classifyGlobalFunctionReference (const GlobalValue *GV) const override
	This function is design to compatible with the function def in other targets and escape build error about the virtual function def in base class TargetSubtargetInfo.
void	overrideSchedPolicy (MachineSchedPolicy &Policy, unsigned NumRegionInstrs) const override
bool	enableEarlyIfConversion () const override
std::unique_ptr< PBQPRAConstraint >	getCustomPBQPConstraints () const override
bool	isCallingConvWin64 (CallingConv::ID CC) const
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.
void	mirFileLoaded (MachineFunction &MF) const override
bool	hasSVEorSME () const
unsigned	getMaxSVEVectorSizeInBits () const
unsigned	getMinSVEVectorSizeInBits () const
bool	useSVEForFixedLengthVectors () const
bool	useSVEForFixedLengthVectors (EVT VT) const
unsigned	getVScaleForTuning () const
TailFoldingOpts	getSVETailFoldingDefaultOpts () const
const char *	getChkStkName () const
const char *	getSecurityCheckCookieName () const

Protected Attributes
ARMProcFamilyEnum	ARMProcFamily = Others
	ARMProcFamily - ARM processor family: Cortex-A53, Cortex-A57, and others.
unsigned	MinVectorRegisterBitWidth = 64
uint8_t	MaxInterleaveFactor = 2
uint8_t	VectorInsertExtractBaseCost = 2
uint16_t	CacheLineSize = 0
uint16_t	PrefetchDistance = 0
uint16_t	MinPrefetchStride = 1
unsigned	MaxPrefetchIterationsAhead = UINT_MAX
Align	PrefFunctionAlignment
Align	PrefLoopAlignment
unsigned	MaxBytesForLoopAlignment = 0
unsigned	MaxJumpTableSize = 0
BitVector	ReserveXRegister
BitVector	ReserveXRegisterForRA
BitVector	CustomCallSavedXRegs
bool	IsLittle
bool	StreamingSVEMode
bool	StreamingCompatibleSVEMode
unsigned	MinSVEVectorSizeInBits
unsigned	MaxSVEVectorSizeInBits
unsigned	VScaleForTuning = 2
TailFoldingOpts	DefaultSVETFOpts = TailFoldingOpts::Disabled
Triple	TargetTriple
	TargetTriple - What processor and OS we're targeting.
AArch64FrameLowering	FrameLowering
AArch64InstrInfo	InstrInfo
AArch64SelectionDAGInfo	TSInfo
AArch64TargetLowering	TLInfo
std::unique_ptr< CallLowering >	CallLoweringInfo
	GlobalISel related APIs.
std::unique_ptr< InlineAsmLowering >	InlineAsmLoweringInfo
std::unique_ptr< InstructionSelector >	InstSelector
std::unique_ptr< LegalizerInfo >	Legalizer
std::unique_ptr< RegisterBankInfo >	RegBankInfo

Detailed Description

Definition at line 38 of file AArch64Subtarget.h.

Member Enumeration Documentation

ARMProcFamilyEnum

enum llvm::AArch64Subtarget::ARMProcFamilyEnum : uint8_t

Enumerator
Others
A64FX
Ampere1
Ampere1A
AppleA7
AppleA10
AppleA11
AppleA12
AppleA13
AppleA14
AppleA15
AppleA16
Carmel
CortexA35
CortexA53
CortexA55
CortexA510
CortexA57
CortexA65
CortexA72
CortexA73
CortexA75
CortexA76
CortexA77
CortexA78
CortexA78C
CortexA710
CortexA715
CortexR82
CortexX1
CortexX1C
CortexX2
CortexX3
ExynosM3
Falkor
Kryo
NeoverseE1
NeoverseN1
NeoverseN2
Neoverse512TVB
NeoverseV1
NeoverseV2
Saphira
ThunderX2T99
ThunderX
ThunderXT81
ThunderXT83
ThunderXT88
ThunderX3T110
TSV110

Definition at line 40 of file AArch64Subtarget.h.

Constructor & Destructor Documentation

AArch64Subtarget()

AArch64Subtarget::AArch64Subtarget	(	const Triple &	TT,
		StringRef	CPU,
		StringRef	TuneCPU,
		StringRef	FS,
		const TargetMachine &	TM,
		bool	LittleEndian,
		unsigned	MinSVEVectorSizeInBitsOverride = 0,
		unsigned	MaxSVEVectorSizeInBitsOverride = 0,
		bool	StreamingSVEMode = false,
		bool	StreamingCompatibleSVEMode = false
	)

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

Definition at line 290 of file AArch64Subtarget.cpp.

References CallLoweringInfo, llvm::StringMap< ValueTy, AllocatorTy >::count(), llvm::createAArch64InstructionSelector(), getRegisterInfo(), getTargetLowering(), InlineAsmLoweringInfo, llvm::StringSet< AllocatorTy >::insert(), InstrInfo, InstSelector, llvm::AArch64::isX18ReservedByDefault(), RegBankInfo, ReservedRegsForRA, ReserveXRegister, ReserveXRegisterForRA, llvm::BitVector::set(), TM, and TRI.

Member Function Documentation

addrSinkUsingGEPs()

bool llvm::AArch64Subtarget::addrSinkUsingGEPs ( ) const

inlineoverride

Definition at line 302 of file AArch64Subtarget.h.

References isTargetILP32(), and useAA().

classifyGlobalFunctionReference() [1/2]

unsigned char llvm::AArch64Subtarget::classifyGlobalFunctionReference ( const GlobalValue *  GV ) const

inlineoverride

This function is design to compatible with the function def in other targets and escape build error about the virtual function def in base class TargetSubtargetInfo.

Updeate me if AArch64 target need to use it.

Definition at line 336 of file AArch64Subtarget.h.

classifyGlobalFunctionReference() [2/2]

unsigned AArch64Subtarget::classifyGlobalFunctionReference	(	const GlobalValue *	GV,
		const TargetMachine &	TM
	)		const

Definition at line 405 of file AArch64Subtarget.cpp.

References ClassifyGlobalReference(), F, llvm::GlobalValue::getParent(), getTargetTriple(), llvm::GlobalValue::getValueType(), llvm::GlobalValue::hasDLLImportStorageClass(), llvm::GlobalValue::hasInternalLinkage(), llvm::Type::isFunctionTy(), isTargetMachO(), isWindowsArm64EC(), llvm::CodeModel::Large, llvm::AArch64II::MO_DLLIMPORT, llvm::AArch64II::MO_GOT, llvm::AArch64II::MO_NO_FLAG, TM, and UseNonLazyBind.

ClassifyGlobalReference()

unsigned AArch64Subtarget::ClassifyGlobalReference	(	const GlobalValue *	GV,
		const TargetMachine &	TM
	)		const

ClassifyGlobalReference - Find the target operand flags that describe how a global value should be referenced for the current subtarget.

Find the target operand flags that describe how a global value should be referenced for the current subtarget.

Definition at line 363 of file AArch64Subtarget.cpp.

References llvm::GlobalValue::getParent(), getTargetTriple(), llvm::GlobalValue::getValueType(), llvm::GlobalValue::hasDLLImportStorageClass(), llvm::GlobalValue::hasExternalWeakLinkage(), llvm::Type::isFunctionTy(), llvm::GlobalValue::isTagged(), isTargetMachO(), isWindowsArm64EC(), llvm::CodeModel::Large, llvm::AArch64II::MO_COFFSTUB, llvm::AArch64II::MO_DLLIMPORT, llvm::AArch64II::MO_DLLIMPORTAUX, llvm::AArch64II::MO_GOT, llvm::AArch64II::MO_NC, llvm::AArch64II::MO_NO_FLAG, llvm::AArch64II::MO_TAGGED, llvm::CodeModel::Tiny, TM, and useSmallAddressing().

Referenced by classifyGlobalFunctionReference(), llvm::AArch64InstrInfo::expandPostRAPseudo(), and performGlobalAddressCombine().

enableEarlyIfConversion()

bool AArch64Subtarget::enableEarlyIfConversion ( ) const

override

Definition at line 446 of file AArch64Subtarget.cpp.

References EnableEarlyIfConvert.

enableMachineScheduler()

bool llvm::AArch64Subtarget::enableMachineScheduler ( ) const

inlineoverride

Definition at line 194 of file AArch64Subtarget.h.

enablePostRAScheduler()

bool llvm::AArch64Subtarget::enablePostRAScheduler ( ) const

inlineoverride

Definition at line 195 of file AArch64Subtarget.h.

getCacheLineSize()

unsigned llvm::AArch64Subtarget::getCacheLineSize ( ) const

inlineoverride

Definition at line 255 of file AArch64Subtarget.h.

References CacheLineSize.

getCallLowering()

const CallLowering * AArch64Subtarget::getCallLowering ( ) const

override

Definition at line 340 of file AArch64Subtarget.cpp.

References CallLoweringInfo.

getChkStkName()

const char * llvm::AArch64Subtarget::getChkStkName ( ) const

inline

Definition at line 424 of file AArch64Subtarget.h.

References isWindowsArm64EC().

Referenced by llvm::AArch64FrameLowering::emitPrologue().

getCustomPBQPConstraints()

std::unique_ptr< PBQPRAConstraint > AArch64Subtarget::getCustomPBQPConstraints ( ) const

override

Definition at line 464 of file AArch64Subtarget.cpp.

getFrameLowering()

const AArch64FrameLowering * llvm::AArch64Subtarget::getFrameLowering ( ) const

inlineoverride

Definition at line 178 of file AArch64Subtarget.h.

References FrameLowering.

getInlineAsmLowering()

const InlineAsmLowering * AArch64Subtarget::getInlineAsmLowering ( ) const

override

Definition at line 344 of file AArch64Subtarget.cpp.

References InlineAsmLoweringInfo.

getInstrInfo()

const AArch64InstrInfo * llvm::AArch64Subtarget::getInstrInfo ( ) const

inlineoverride

Definition at line 184 of file AArch64Subtarget.h.

References InstrInfo.

Referenced by emitDefineCFAWithFP(), llvm::AArch64TargetLowering::EmitF128CSEL(), llvm::AArch64TargetLowering::EmitFill(), llvm::AArch64TargetLowering::EmitInstrWithCustomInserter(), llvm::AArch64FrameLowering::emitPrologue(), llvm::AArch64TargetLowering::EmitTileLoad(), llvm::AArch64TargetLowering::EmitZAInstr(), llvm::AArch64TargetLowering::EmitZero(), getRegisterInfo(), llvm::AArch64TargetLowering::insertCopiesSplitCSR(), llvm::AArch64TargetLowering::isLegalAddressingMode(), and llvm::AArch64CallLowering::lowerCall().

getInstructionSelector()

InstructionSelector * AArch64Subtarget::getInstructionSelector ( ) const

override

Definition at line 348 of file AArch64Subtarget.cpp.

References InstSelector.

getLegalizerInfo()

const LegalizerInfo * AArch64Subtarget::getLegalizerInfo ( ) const

override

Definition at line 352 of file AArch64Subtarget.cpp.

getMaxBytesForLoopAlignment()

unsigned llvm::AArch64Subtarget::getMaxBytesForLoopAlignment ( ) const

inline

Definition at line 271 of file AArch64Subtarget.h.

References MaxBytesForLoopAlignment.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering().

getMaximumJumpTableSize()

unsigned llvm::AArch64Subtarget::getMaximumJumpTableSize ( ) const

inline

Definition at line 275 of file AArch64Subtarget.h.

References MaxJumpTableSize.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering().

getMaxInterleaveFactor()

unsigned llvm::AArch64Subtarget::getMaxInterleaveFactor ( ) const

inline

Definition at line 253 of file AArch64Subtarget.h.

References MaxInterleaveFactor.

Referenced by llvm::AArch64TTIImpl::getMaxInterleaveFactor().

getMaxPrefetchIterationsAhead()

unsigned llvm::AArch64Subtarget::getMaxPrefetchIterationsAhead ( ) const

inlineoverride

Definition at line 263 of file AArch64Subtarget.h.

References MaxPrefetchIterationsAhead.

getMaxSVEVectorSizeInBits()

unsigned llvm::AArch64Subtarget::getMaxSVEVectorSizeInBits ( ) const

inline

Definition at line 391 of file AArch64Subtarget.h.

References assert(), hasSVEorSME(), and MaxSVEVectorSizeInBits.

Referenced by findMoreOptimalIndexType(), llvm::AArch64TargetLowering::lowerInterleavedLoad(), and llvm::AArch64TargetLowering::lowerInterleavedStore().

getMinPrefetchStride()

unsigned llvm::AArch64Subtarget::getMinPrefetchStride ( unsigned  NumMemAccesses, unsigned  NumStridedMemAccesses, unsigned  NumPrefetches, bool  HasCall  ) const

inlineoverride

Definition at line 257 of file AArch64Subtarget.h.

References MinPrefetchStride.

getMinSVEVectorSizeInBits()

unsigned llvm::AArch64Subtarget::getMinSVEVectorSizeInBits ( ) const

inline

Definition at line 397 of file AArch64Subtarget.h.

References assert(), hasSVEorSME(), and MinSVEVectorSizeInBits.

Referenced by llvm::AArch64TargetLowering::getNumInterleavedAccesses(), getPredicateForFixedLengthVector(), llvm::AArch64TTIImpl::getRegisterBitWidth(), isAllActivePredicate(), llvm::AArch64TargetLowering::isLegalInterleavedAccessType(), llvm::AArch64TargetLowering::lowerInterleavedLoad(), llvm::AArch64TargetLowering::lowerInterleavedStore(), optimizeWhile(), performFPExtendCombine(), performMSTORECombine(), performSTORECombine(), performUnpackCombine(), useSVEForFixedLengthVectors(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

getMinVectorRegisterBitWidth()

unsigned llvm::AArch64Subtarget::getMinVectorRegisterBitWidth ( ) const

inline

Definition at line 223 of file AArch64Subtarget.h.

References isNeonAvailable(), isSVEAvailable(), and MinVectorRegisterBitWidth.

getNumXRegisterReserved()

unsigned llvm::AArch64Subtarget::getNumXRegisterReserved ( ) const

inline

Definition at line 235 of file AArch64Subtarget.h.

References llvm::BitVector::count(), ReserveXRegister, and ReserveXRegisterForRA.

Referenced by llvm::AArch64RegisterInfo::getRegPressureLimit().

getPrefetchDistance()

unsigned llvm::AArch64Subtarget::getPrefetchDistance ( ) const

inlineoverride

Definition at line 256 of file AArch64Subtarget.h.

References PrefetchDistance.

getPrefFunctionAlignment()

Align llvm::AArch64Subtarget::getPrefFunctionAlignment ( ) const

inline

Definition at line 266 of file AArch64Subtarget.h.

References PrefFunctionAlignment.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering().

getPrefLoopAlignment()

Align llvm::AArch64Subtarget::getPrefLoopAlignment ( ) const

inline

Definition at line 269 of file AArch64Subtarget.h.

References PrefLoopAlignment.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering().

getProcFamily()

ARMProcFamilyEnum llvm::AArch64Subtarget::getProcFamily ( ) const

inline

Returns ARM processor family.

Avoid this function! CPU specifics should be kept local to this class and preferably modeled with SubtargetFeatures or properties in initializeProperties().

Definition at line 201 of file AArch64Subtarget.h.

References ARMProcFamily.

Referenced by llvm::AArch64TargetLowering::getTargetMMOFlags(), and llvm::AArch64TTIImpl::getUnrollingPreferences().

getRegBankInfo()

const RegisterBankInfo * AArch64Subtarget::getRegBankInfo ( ) const

override

Definition at line 356 of file AArch64Subtarget.cpp.

References RegBankInfo.

Referenced by llvm::AArch64CallLowering::lowerCall().

getRegisterInfo()

const AArch64RegisterInfo * llvm::AArch64Subtarget::getRegisterInfo ( ) const

inlineoverride

Definition at line 185 of file AArch64Subtarget.h.

References getInstrInfo(), and llvm::AArch64InstrInfo::getRegisterInfo().

Referenced by AArch64Subtarget(), llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64InstrInfo::buildClearRegister(), llvm::AArch64FrameLowering::canUseAsPrologue(), llvm::AArch64TargetLowering::changeStreamingMode(), emitDefineCFAWithFP(), llvm::AArch64FrameLowering::emitPrologue(), llvm::AArch64InstrInfo::expandPostRAPseudo(), findScratchNonCalleeSaveRegister(), llvm::AArch64TargetLowering::insertCopiesSplitCSR(), InsertSEH(), and llvm::AArch64CallLowering::lowerCall().

getSecurityCheckCookieName()

const char * llvm::AArch64Subtarget::getSecurityCheckCookieName ( ) const

inline

Definition at line 430 of file AArch64Subtarget.h.

References isWindowsArm64EC().

Referenced by llvm::AArch64TargetLowering::getSSPStackGuardCheck(), and llvm::AArch64TargetLowering::insertSSPDeclarations().

getSelectionDAGInfo()

const AArch64SelectionDAGInfo * llvm::AArch64Subtarget::getSelectionDAGInfo ( ) const

inlineoverride

Definition at line 175 of file AArch64Subtarget.h.

References TSInfo.

getSVETailFoldingDefaultOpts()

TailFoldingOpts llvm::AArch64Subtarget::getSVETailFoldingDefaultOpts ( ) const

inline

Definition at line 420 of file AArch64Subtarget.h.

References DefaultSVETFOpts.

Referenced by llvm::AArch64TTIImpl::preferPredicateOverEpilogue().

getTargetLowering()

const AArch64TargetLowering * llvm::AArch64Subtarget::getTargetLowering ( ) const

inlineoverride

Definition at line 181 of file AArch64Subtarget.h.

References TLInfo.

Referenced by AArch64Subtarget(), llvm::AArch64FrameLowering::canUseRedZone(), finishStackBlock(), llvm::AArch64RegisterInfo::getCalleeSavedRegs(), llvm::AArch64RegisterInfo::getCallPreservedMask(), llvm::AArch64RegisterInfo::getDarwinCalleeSavedRegs(), llvm::AArch64RegisterInfo::getDarwinCallPreservedMask(), and produceCompactUnwindFrame().

getTargetTriple()

const Triple & llvm::AArch64Subtarget::getTargetTriple ( ) const

inline

Definition at line 193 of file AArch64Subtarget.h.

References TargetTriple.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), classifyGlobalFunctionReference(), ClassifyGlobalReference(), llvm::AArch64TargetLowering::getSDagStackGuard(), llvm::AArch64TargetLowering::getSSPStackGuardCheck(), llvm::AArch64TargetLowering::insertSSPDeclarations(), llvm::AArch64TargetLowering::shouldInsertTrailingFenceForAtomicStore(), ShouldSignWithBKey(), and swiftAsyncContextIsDynamicallySet().

getVectorInsertExtractBaseCost()

unsigned AArch64Subtarget::getVectorInsertExtractBaseCost

(

)

const

Definition at line 73 of file AArch64Subtarget.cpp.

References OverrideVectorInsertExtractBaseCost, and VectorInsertExtractBaseCost.

Referenced by llvm::AArch64TTIImpl::getScalarizationOverhead().

getVScaleForTuning()

unsigned llvm::AArch64Subtarget::getVScaleForTuning ( ) const

inline

Definition at line 418 of file AArch64Subtarget.h.

References VScaleForTuning.

hasCustomCallingConv()

bool llvm::AArch64Subtarget::hasCustomCallingConv ( ) const

inline

Definition at line 244 of file AArch64Subtarget.h.

References llvm::BitVector::any(), and CustomCallSavedXRegs.

Referenced by llvm::AArch64CallLowering::lowerCall().

hasFusion()

bool llvm::AArch64Subtarget::hasFusion ( ) const

inline

Return true if the CPU supports any kind of instruction fusion.

Definition at line 247 of file AArch64Subtarget.h.

hasSVEorSME()

bool llvm::AArch64Subtarget::hasSVEorSME ( ) const

inline

Definition at line 386 of file AArch64Subtarget.h.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64InstrInfo::copyPhysReg(), llvm::AArch64TTIImpl::getCastInstrCost(), getMaxSVEVectorSizeInBits(), getMinSVEVectorSizeInBits(), llvm::AArch64TargetLowering::isLegalInterleavedAccessType(), llvm::AArch64InstrInfo::loadRegFromStackSlot(), llvm::AArch64InstrInfo::storeRegToStackSlot(), useSVEForFixedLengthVectors(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

isCallingConvWin64()

bool llvm::AArch64Subtarget::isCallingConvWin64 ( CallingConv::ID  CC ) const

inline

Definition at line 347 of file AArch64Subtarget.h.

References llvm::CallingConv::C, CC, llvm::CallingConv::Fast, isTargetWindows(), llvm::CallingConv::Swift, and llvm::CallingConv::Win64.

Referenced by analyzeCallOperands(), llvm::AArch64FrameLowering::emitPrologue(), and llvm::AArch64RegisterInfo::isArgumentRegister().

isLittleEndian()

bool llvm::AArch64Subtarget::isLittleEndian ( ) const

inline

Definition at line 281 of file AArch64Subtarget.h.

References IsLittle.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64TargetLowering::optimizeExtendOrTruncateConversion(), and performLOADCombine().

isNeonAvailable()

bool AArch64Subtarget::isNeonAvailable

(

)

const

Returns true if the target has NEON and the function at runtime is known to have NEON enabled (e.g.

the function is known not to be in streaming-SVE mode, which disables NEON instructions).

Definition at line 484 of file AArch64Subtarget.cpp.

References isStreaming(), and isStreamingCompatible().

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64InstrInfo::copyPhysReg(), getMinVectorRegisterBitWidth(), llvm::AArch64TTIImpl::getRegisterBitWidth(), llvm::AArch64TargetLowering::isLegalInterleavedAccessType(), llvm::AArch64TargetLowering::isShuffleMaskLegal(), llvm::AArch64TargetLowering::LowerOperation(), performFpToIntCombine(), performIntToFpCombine(), llvm::AArch64TTIImpl::shouldMaximizeVectorBandwidth(), tryAdvSIMDModImm16(), tryAdvSIMDModImm32(), tryCombineToBSL(), and useSVEForFixedLengthVectors().

isStreaming()

bool llvm::AArch64Subtarget::isStreaming ( ) const

inline

Returns true if the function has a streaming body.

Definition at line 208 of file AArch64Subtarget.h.

References StreamingSVEMode.

Referenced by isNeonAvailable(), and isSVEAvailable().

isStreamingCompatible()

bool AArch64Subtarget::isStreamingCompatible

(

)

const

Returns true if the function has a streaming-compatible body.

Definition at line 480 of file AArch64Subtarget.cpp.

References ForceStreamingCompatibleSVE, and StreamingCompatibleSVEMode.

Referenced by isNeonAvailable(), and isSVEAvailable().

isSVEAvailable()

bool AArch64Subtarget::isSVEAvailable

(

)

const

Returns true if the target has SVE and can use the full range of SVE instructions, for example because it knows the function is known not to be in streaming-SVE mode or when the target has FEAT_FA64 enabled.

Definition at line 488 of file AArch64Subtarget.cpp.

References isStreaming(), and isStreamingCompatible().

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), getMinVectorRegisterBitWidth(), and llvm::AArch64TTIImpl::getRegisterBitWidth().

isTargetAndroid()

bool llvm::AArch64Subtarget::isTargetAndroid ( ) const

inline

Definition at line 287 of file AArch64Subtarget.h.

References llvm::Triple::isAndroid(), and TargetTriple.

Referenced by llvm::AArch64TargetLowering::getIRStackGuard(), llvm::AArch64TargetLowering::getSafeStackPointerLocation(), and llvm::AArch64TargetLowering::useLoadStackGuardNode().

isTargetCOFF()

bool llvm::AArch64Subtarget::isTargetCOFF ( ) const

inline

Definition at line 291 of file AArch64Subtarget.h.

References llvm::Triple::isOSBinFormatCOFF(), and TargetTriple.

isTargetDarwin()

bool llvm::AArch64Subtarget::isTargetDarwin ( ) const

inline

Definition at line 283 of file AArch64Subtarget.h.

References llvm::Triple::isOSDarwin(), and TargetTriple.

Referenced by CC_AArch64_Custom_Block(), llvm::AArch64TargetLowering::CCAssignFnForCall(), llvm::AArch64RegisterInfo::getCalleeSavedRegs(), llvm::AArch64RegisterInfo::getCallPreservedMask(), llvm::AArch64RegisterInfo::getDarwinCalleeSavedRegs(), llvm::AArch64RegisterInfo::getDarwinCallPreservedMask(), llvm::AArch64RegisterInfo::getThisReturnPreservedMask(), llvm::AArch64TargetLowering::getVaListSizeInBits(), llvm::AArch64RegisterInfo::isArgumentRegister(), llvm::AArch64LegalizerInfo::legalizeIntrinsic(), and llvm::AArch64TargetLowering::preferredShiftLegalizationStrategy().

isTargetELF()

bool llvm::AArch64Subtarget::isTargetELF ( ) const

inline

Definition at line 292 of file AArch64Subtarget.h.

References llvm::Triple::isOSBinFormatELF(), and TargetTriple.

isTargetFuchsia()

bool llvm::AArch64Subtarget::isTargetFuchsia ( ) const

inline

Definition at line 288 of file AArch64Subtarget.h.

References llvm::Triple::isOSFuchsia(), and TargetTriple.

Referenced by llvm::AArch64TargetLowering::getIRStackGuard(), llvm::AArch64TargetLowering::getSafeStackPointerLocation(), and llvm::AArch64TargetLowering::useLoadStackGuardNode().

isTargetILP32()

bool llvm::AArch64Subtarget::isTargetILP32 ( ) const

inline

Definition at line 295 of file AArch64Subtarget.h.

References llvm::Triple::getEnvironment(), llvm::Triple::GNUILP32, llvm::Triple::isArch32Bit(), and TargetTriple.

Referenced by addrSinkUsingGEPs(), CC_AArch64_Custom_Block(), llvm::AArch64TargetLowering::CCAssignFnForCall(), llvm::AArch64TargetLowering::computeKnownBitsForTargetNode(), llvm::AArch64FrameLowering::emitPrologue(), llvm::AArch64InstrInfo::expandPostRAPseudo(), llvm::AArch64RegisterInfo::isArgumentRegister(), and llvm::AArch64LegalizerInfo::legalizeIntrinsic().

isTargetIOS()

bool llvm::AArch64Subtarget::isTargetIOS ( ) const

inline

Definition at line 284 of file AArch64Subtarget.h.

References llvm::Triple::isiOS(), and TargetTriple.

isTargetLinux()

bool llvm::AArch64Subtarget::isTargetLinux ( ) const

inline

Definition at line 285 of file AArch64Subtarget.h.

References llvm::Triple::isOSLinux(), and TargetTriple.

Referenced by llvm::AArch64RegisterInfo::getCustomEHPadPreservedMask().

isTargetMachO()

bool llvm::AArch64Subtarget::isTargetMachO ( ) const

inline

Definition at line 293 of file AArch64Subtarget.h.

References llvm::Triple::isOSBinFormatMachO(), and TargetTriple.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), CC_AArch64_Custom_Block(), classifyGlobalFunctionReference(), ClassifyGlobalReference(), and produceCompactUnwindFrame().

isTargetWindows()

bool llvm::AArch64Subtarget::isTargetWindows ( ) const

inline

Definition at line 286 of file AArch64Subtarget.h.

References llvm::Triple::isOSWindows(), and TargetTriple.

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64TargetLowering::CCAssignFnForCall(), llvm::AArch64FrameLowering::determineCalleeSaves(), llvm::AArch64RegisterInfo::getCalleeSavedRegs(), llvm::AArch64TargetLowering::getVaListSizeInBits(), llvm::AArch64RegisterInfo::isArgumentRegister(), isCallingConvWin64(), llvm::AArch64LegalizerInfo::legalizeIntrinsic(), llvm::AArch64TargetLowering::preferredShiftLegalizationStrategy(), and windowsRequiresStackProbe().

isWindowsArm64EC()

bool llvm::AArch64Subtarget::isWindowsArm64EC ( ) const

inline

Definition at line 289 of file AArch64Subtarget.h.

References llvm::Triple::isWindowsArm64EC(), and TargetTriple.

Referenced by llvm::AArch64TargetLowering::CCAssignFnForCall(), classifyGlobalFunctionReference(), ClassifyGlobalReference(), llvm::AArch64RegisterInfo::explainReservedReg(), getChkStkName(), getSecurityCheckCookieName(), llvm::AArch64RegisterInfo::getStrictlyReservedRegs(), and llvm::AArch64CallLowering::lowerCall().

isXRaySupported()

bool llvm::AArch64Subtarget::isXRaySupported ( ) const

inlineoverride

Definition at line 205 of file AArch64Subtarget.h.

isXRegCustomCalleeSaved()

bool llvm::AArch64Subtarget::isXRegCustomCalleeSaved ( size_t  i ) const

inline

Definition at line 241 of file AArch64Subtarget.h.

References CustomCallSavedXRegs.

Referenced by llvm::AArch64RegisterInfo::UpdateCustomCalleeSavedRegs(), and llvm::AArch64RegisterInfo::UpdateCustomCallPreservedMask().

isXRegisterReserved()

bool llvm::AArch64Subtarget::isXRegisterReserved ( size_t  i ) const

inline

Definition at line 233 of file AArch64Subtarget.h.

References ReserveXRegister.

Referenced by llvm::AArch64RegisterInfo::getStrictlyReservedRegs(), and needsShadowCallStackPrologueEpilogue().

isXRegisterReservedForRA()

bool llvm::AArch64Subtarget::isXRegisterReservedForRA ( size_t  i ) const

inline

Definition at line 234 of file AArch64Subtarget.h.

References ReserveXRegisterForRA.

Referenced by llvm::AArch64RegisterInfo::getReservedRegs().

mirFileLoaded()

void AArch64Subtarget::mirFileLoaded ( MachineFunction &  MF ) const

override

Definition at line 468 of file AArch64Subtarget.cpp.

References llvm::MachineFrameInfo::computeMaxCallFrameSize(), llvm::MachineFunction::getFrameInfo(), and llvm::MachineFrameInfo::isMaxCallFrameSizeComputed().

overrideSchedPolicy()

void AArch64Subtarget::overrideSchedPolicy ( MachineSchedPolicy &  Policy, unsigned  NumRegionInstrs  ) const

override

Definition at line 434 of file AArch64Subtarget.cpp.

References llvm::MachineSchedPolicy::DisableLatencyHeuristic, llvm::MachineSchedPolicy::OnlyBottomUp, and llvm::MachineSchedPolicy::OnlyTopDown.

ParseSubtargetFeatures()

void llvm::AArch64Subtarget::ParseSubtargetFeatures	(	StringRef	CPU,
		StringRef	TuneCPU,
		StringRef	FS
	)

ParseSubtargetFeatures - Parses features string setting specified subtarget options.

Definition of function is auto generated by tblgen.

supportsAddressTopByteIgnored()

bool AArch64Subtarget::supportsAddressTopByteIgnored

(

)

const

CPU has TBI (top byte of addresses is ignored during HW address translation) and OS enables it.

Definition at line 450 of file AArch64Subtarget.cpp.

References llvm::Triple::getiOSVersion(), llvm::Triple::isDriverKit(), llvm::Triple::isiOS(), TargetTriple, and UseAddressTopByteIgnored.

Referenced by performLOADCombine(), and performSTORECombine().

swiftAsyncContextIsDynamicallySet()

bool llvm::AArch64Subtarget::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 362 of file AArch64Subtarget.h.

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

Referenced by llvm::AArch64FrameLowering::emitPrologue().

useAA()

bool AArch64Subtarget::useAA ( ) const

override

Definition at line 478 of file AArch64Subtarget.cpp.

References UseAA.

Referenced by addrSinkUsingGEPs().

useSmallAddressing()

bool llvm::AArch64Subtarget::useSmallAddressing ( ) const

inline

Definition at line 308 of file AArch64Subtarget.h.

References llvm::TargetMachine::getCodeModel(), llvm::TargetLoweringBase::getTargetMachine(), llvm::CodeModel::Kernel, llvm::CodeModel::Small, and TLInfo.

Referenced by ClassifyGlobalReference().

useSVEForFixedLengthVectors() [1/2]

bool llvm::AArch64Subtarget::useSVEForFixedLengthVectors ( ) const

inline

Definition at line 403 of file AArch64Subtarget.h.

References getMinSVEVectorSizeInBits(), hasSVEorSME(), and isNeonAvailable().

Referenced by llvm::AArch64TargetLowering::AArch64TargetLowering(), llvm::AArch64TTIImpl::getCastInstrCost(), llvm::AArch64TargetLowering::isLegalInterleavedAccessType(), llvm::AArch64TargetLowering::mergeStoresAfterLegalization(), llvm::AArch64TargetLowering::optimizeExtendOrTruncateConversion(), performFPExtendCombine(), performSTORECombine(), llvm::AArch64TTIImpl::useNeonVector(), useSVEForFixedLengthVectors(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

useSVEForFixedLengthVectors() [2/2]

bool llvm::AArch64Subtarget::useSVEForFixedLengthVectors ( EVT  VT ) const

inline

Definition at line 411 of file AArch64Subtarget.h.

References llvm::EVT::getFixedSizeInBits(), llvm::EVT::isFixedLengthVector(), isNeonAvailable(), llvm::AArch64::SVEBitsPerBlock, and useSVEForFixedLengthVectors().

Member Data Documentation

ARMProcFamily

ARMProcFamilyEnum llvm::AArch64Subtarget::ARMProcFamily = Others

protected

ARMProcFamily - ARM processor family: Cortex-A53, Cortex-A57, and others.

Definition at line 95 of file AArch64Subtarget.h.

Referenced by getProcFamily().

CacheLineSize

uint16_t llvm::AArch64Subtarget::CacheLineSize = 0

protected

Definition at line 107 of file AArch64Subtarget.h.

Referenced by getCacheLineSize().

CallLoweringInfo

std::unique_ptr<CallLowering> llvm::AArch64Subtarget::CallLoweringInfo

protected

GlobalISel related APIs.

Definition at line 143 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), and getCallLowering().

CustomCallSavedXRegs

BitVector llvm::AArch64Subtarget::CustomCallSavedXRegs

protected

Definition at line 123 of file AArch64Subtarget.h.

Referenced by hasCustomCallingConv(), and isXRegCustomCalleeSaved().

DefaultSVETFOpts

TailFoldingOpts llvm::AArch64Subtarget::DefaultSVETFOpts = TailFoldingOpts::Disabled

protected

Definition at line 132 of file AArch64Subtarget.h.

Referenced by getSVETailFoldingDefaultOpts().

FrameLowering

AArch64FrameLowering llvm::AArch64Subtarget::FrameLowering

protected

Definition at line 137 of file AArch64Subtarget.h.

Referenced by getFrameLowering().

InlineAsmLoweringInfo

std::unique_ptr<InlineAsmLowering> llvm::AArch64Subtarget::InlineAsmLoweringInfo

protected

Definition at line 144 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), and getInlineAsmLowering().

InstrInfo

AArch64InstrInfo llvm::AArch64Subtarget::InstrInfo

protected

Definition at line 138 of file AArch64Subtarget.h.

Referenced by getInstrInfo().

InstSelector

std::unique_ptr<InstructionSelector> llvm::AArch64Subtarget::InstSelector

protected

Definition at line 145 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), and getInstructionSelector().

IsLittle

bool llvm::AArch64Subtarget::IsLittle

protected

Definition at line 125 of file AArch64Subtarget.h.

Referenced by isLittleEndian().

Legalizer

std::unique_ptr<LegalizerInfo> llvm::AArch64Subtarget::Legalizer

protected

Definition at line 146 of file AArch64Subtarget.h.

MaxBytesForLoopAlignment

unsigned llvm::AArch64Subtarget::MaxBytesForLoopAlignment = 0

protected

Definition at line 113 of file AArch64Subtarget.h.

Referenced by getMaxBytesForLoopAlignment().

MaxInterleaveFactor

uint8_t llvm::AArch64Subtarget::MaxInterleaveFactor = 2

protected

Definition at line 105 of file AArch64Subtarget.h.

Referenced by getMaxInterleaveFactor().

MaxJumpTableSize

unsigned llvm::AArch64Subtarget::MaxJumpTableSize = 0

protected

Definition at line 114 of file AArch64Subtarget.h.

Referenced by getMaximumJumpTableSize().

MaxPrefetchIterationsAhead

unsigned llvm::AArch64Subtarget::MaxPrefetchIterationsAhead = UINT_MAX

protected

Definition at line 110 of file AArch64Subtarget.h.

Referenced by getMaxPrefetchIterationsAhead().

MaxSVEVectorSizeInBits

unsigned llvm::AArch64Subtarget::MaxSVEVectorSizeInBits

protected

Definition at line 130 of file AArch64Subtarget.h.

Referenced by getMaxSVEVectorSizeInBits().

MinPrefetchStride

uint16_t llvm::AArch64Subtarget::MinPrefetchStride = 1

protected

Definition at line 109 of file AArch64Subtarget.h.

Referenced by getMinPrefetchStride().

MinSVEVectorSizeInBits

unsigned llvm::AArch64Subtarget::MinSVEVectorSizeInBits

protected

Definition at line 129 of file AArch64Subtarget.h.

Referenced by getMinSVEVectorSizeInBits().

MinVectorRegisterBitWidth

unsigned llvm::AArch64Subtarget::MinVectorRegisterBitWidth = 64

protected

Definition at line 98 of file AArch64Subtarget.h.

Referenced by getMinVectorRegisterBitWidth().

PrefetchDistance

uint16_t llvm::AArch64Subtarget::PrefetchDistance = 0

protected

Definition at line 108 of file AArch64Subtarget.h.

Referenced by getPrefetchDistance().

PrefFunctionAlignment

Align llvm::AArch64Subtarget::PrefFunctionAlignment

protected

Definition at line 111 of file AArch64Subtarget.h.

Referenced by getPrefFunctionAlignment().

PrefLoopAlignment

Align llvm::AArch64Subtarget::PrefLoopAlignment

protected

Definition at line 112 of file AArch64Subtarget.h.

Referenced by getPrefLoopAlignment().

RegBankInfo

std::unique_ptr<RegisterBankInfo> llvm::AArch64Subtarget::RegBankInfo

protected

Definition at line 147 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), and getRegBankInfo().

ReserveXRegister

BitVector llvm::AArch64Subtarget::ReserveXRegister

protected

Definition at line 117 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), getNumXRegisterReserved(), and isXRegisterReserved().

ReserveXRegisterForRA

BitVector llvm::AArch64Subtarget::ReserveXRegisterForRA

protected

Definition at line 120 of file AArch64Subtarget.h.

Referenced by AArch64Subtarget(), getNumXRegisterReserved(), and isXRegisterReservedForRA().

StreamingCompatibleSVEMode

bool llvm::AArch64Subtarget::StreamingCompatibleSVEMode

protected

Definition at line 128 of file AArch64Subtarget.h.

Referenced by isStreamingCompatible().

StreamingSVEMode

bool llvm::AArch64Subtarget::StreamingSVEMode

protected

Definition at line 127 of file AArch64Subtarget.h.

Referenced by isStreaming().

TargetTriple

Triple llvm::AArch64Subtarget::TargetTriple

protected

TargetTriple - What processor and OS we're targeting.

Definition at line 135 of file AArch64Subtarget.h.

Referenced by getTargetTriple(), isTargetAndroid(), isTargetCOFF(), isTargetDarwin(), isTargetELF(), isTargetFuchsia(), isTargetILP32(), isTargetIOS(), isTargetLinux(), isTargetMachO(), isTargetWindows(), isWindowsArm64EC(), and supportsAddressTopByteIgnored().

TLInfo

AArch64TargetLowering llvm::AArch64Subtarget::TLInfo

protected

Definition at line 140 of file AArch64Subtarget.h.

Referenced by getTargetLowering(), and useSmallAddressing().

TSInfo

AArch64SelectionDAGInfo llvm::AArch64Subtarget::TSInfo

protected

Definition at line 139 of file AArch64Subtarget.h.

Referenced by getSelectionDAGInfo().

VectorInsertExtractBaseCost

uint8_t llvm::AArch64Subtarget::VectorInsertExtractBaseCost = 2

protected

Definition at line 106 of file AArch64Subtarget.h.

Referenced by getVectorInsertExtractBaseCost().

VScaleForTuning

unsigned llvm::AArch64Subtarget::VScaleForTuning = 2

protected

Definition at line 131 of file AArch64Subtarget.h.

Referenced by getVScaleForTuning().

---

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

• lib/Target/AArch64/AArch64Subtarget.h
• lib/Target/AArch64/AArch64Subtarget.cpp