llvm::RISCVSubtarget Class Reference

#include "Target/RISCV/RISCVSubtarget.h"

Inheritance diagram for llvm::RISCVSubtarget:

Collaboration diagram for llvm::RISCVSubtarget:

Public Member Functions
	RISCVSubtarget (const Triple &TT, StringRef CPU, StringRef TuneCPU, StringRef FS, StringRef ABIName, const TargetMachine &TM)
void	ParseSubtargetFeatures (StringRef CPU, StringRef TuneCPU, StringRef FS)
const RISCVFrameLowering *	getFrameLowering () const override
const RISCVInstrInfo *	getInstrInfo () const override
const RISCVRegisterInfo *	getRegisterInfo () const override
const RISCVTargetLowering *	getTargetLowering () const override
const SelectionDAGTargetInfo *	getSelectionDAGInfo () const override
bool	enableMachineScheduler () const override
bool	hasStdExtM () const
bool	hasStdExtA () const
bool	hasStdExtF () const
bool	hasStdExtD () const
bool	hasStdExtC () const
bool	hasStdExtZba () const
bool	hasStdExtZbb () const
bool	hasStdExtZbc () const
bool	hasStdExtZbe () const
bool	hasStdExtZbf () const
bool	hasStdExtZbm () const
bool	hasStdExtZbp () const
bool	hasStdExtZbr () const
bool	hasStdExtZbs () const
bool	hasStdExtZbt () const
bool	hasStdExtV () const
bool	hasStdExtZvlsseg () const
bool	hasStdExtZvamo () const
bool	hasStdExtZfhmin () const
bool	hasStdExtZfh () const
bool	is64Bit () const
bool	isRV32E () const
bool	enableLinkerRelax () const
bool	enableRVCHintInstrs () const
bool	enableSaveRestore () const
MVT	getXLenVT () const
unsigned	getXLen () const
RISCVABI::ABI	getTargetABI () const
bool	isRegisterReservedByUser (Register i) const
bool	hasVInstructions () const
bool	hasVInstructionsI64 () const
bool	hasVInstructionsF16 () const
bool	hasVInstructionsF32 () const
bool	hasVInstructionsF64 () const
bool	hasVInstructionsAnyF () const
unsigned	getMaxInterleaveFactor () const
const CallLowering *	getCallLowering () const override
InstructionSelector *	getInstructionSelector () const override
const LegalizerInfo *	getLegalizerInfo () const override
const RegisterBankInfo *	getRegBankInfo () const override
unsigned	getMaxRVVVectorSizeInBits () const
unsigned	getMinRVVVectorSizeInBits () const
unsigned	getMaxLMULForFixedLengthVectors () const
unsigned	getMaxELENForFixedLengthVectors () const
bool	useRVVForFixedLengthVectors () const

Protected Attributes
std::unique_ptr< CallLowering >	CallLoweringInfo
std::unique_ptr< InstructionSelector >	InstSelector
std::unique_ptr< LegalizerInfo >	Legalizer
std::unique_ptr< RegisterBankInfo >	RegBankInfo

Detailed Description

Definition at line 35 of file RISCVSubtarget.h.

Constructor & Destructor Documentation

RISCVSubtarget()

RISCVSubtarget::RISCVSubtarget	(	const Triple &	TT,
		StringRef	CPU,
		StringRef	TuneCPU,
		StringRef	FS,
		StringRef	ABIName,
		const TargetMachine &	TM
	)

Definition at line 81 of file RISCVSubtarget.cpp.

References CallLoweringInfo, llvm::createRISCVInstructionSelector(), getRegisterInfo(), getTargetLowering(), InstSelector, RegBankInfo, and TM.

Member Function Documentation

enableLinkerRelax()

bool llvm::RISCVSubtarget::enableLinkerRelax ( ) const

inline

Definition at line 126 of file RISCVSubtarget.h.

enableMachineScheduler()

bool llvm::RISCVSubtarget::enableMachineScheduler ( ) const

inlineoverride

Definition at line 103 of file RISCVSubtarget.h.

enableRVCHintInstrs()

bool llvm::RISCVSubtarget::enableRVCHintInstrs ( ) const

inline

Definition at line 127 of file RISCVSubtarget.h.

enableSaveRestore()

bool llvm::RISCVSubtarget::enableSaveRestore ( ) const

inline

Definition at line 128 of file RISCVSubtarget.h.

getCallLowering()

const CallLowering * RISCVSubtarget::getCallLowering ( ) const

override

Definition at line 97 of file RISCVSubtarget.cpp.

References CallLoweringInfo.

getFrameLowering()

const RISCVFrameLowering* llvm::RISCVSubtarget::getFrameLowering ( ) const

inlineoverride

Definition at line 90 of file RISCVSubtarget.h.

getInstrInfo()

const RISCVInstrInfo* llvm::RISCVSubtarget::getInstrInfo ( ) const

inlineoverride

Definition at line 93 of file RISCVSubtarget.h.

Referenced by llvm::RISCVFrameLowering::emitPrologue(), emitSelectPseudo(), and llvm::RISCVInstrInfo::verifyInstruction().

getInstructionSelector()

InstructionSelector * RISCVSubtarget::getInstructionSelector ( ) const

override

Definition at line 101 of file RISCVSubtarget.cpp.

References InstSelector.

getLegalizerInfo()

const LegalizerInfo * RISCVSubtarget::getLegalizerInfo ( ) const

override

Definition at line 105 of file RISCVSubtarget.cpp.

getMaxELENForFixedLengthVectors()

unsigned RISCVSubtarget::getMaxELENForFixedLengthVectors

(

)

const

Definition at line 155 of file RISCVSubtarget.cpp.

References assert(), hasVInstructions(), llvm::isPowerOf2_32(), llvm::PowerOf2Floor(), and RVVVectorELENMax.

Referenced by getContainerForFixedLengthVector(), and useRVVForFixedLengthVectorVT().

getMaxInterleaveFactor()

unsigned llvm::RISCVSubtarget::getMaxInterleaveFactor ( ) const

inline

Definition at line 145 of file RISCVSubtarget.h.

References hasVInstructions().

getMaxLMULForFixedLengthVectors()

unsigned RISCVSubtarget::getMaxLMULForFixedLengthVectors

(

)

const

Definition at line 146 of file RISCVSubtarget.cpp.

References assert(), hasVInstructions(), llvm::isPowerOf2_32(), llvm::PowerOf2Floor(), and RVVVectorLMULMax.

Referenced by useRVVForFixedLengthVectorVT().

getMaxRVVVectorSizeInBits()

unsigned RISCVSubtarget::getMaxRVVVectorSizeInBits

(

)

const

Definition at line 113 of file RISCVSubtarget.cpp.

References assert(), hasVInstructions(), llvm::isPowerOf2_32(), llvm::max(), llvm::PowerOf2Floor(), RVVVectorBitsMax, and RVVVectorBitsMin.

Referenced by llvm::RISCVTTIImpl::getMaxVScale().

getMinRVVVectorSizeInBits()

unsigned RISCVSubtarget::getMinRVVVectorSizeInBits

(

)

const

Definition at line 129 of file RISCVSubtarget.cpp.

References assert(), hasVInstructions(), llvm::isPowerOf2_32(), llvm::min(), llvm::PowerOf2Floor(), RVVVectorBitsMax, and RVVVectorBitsMin.

Referenced by getContainerForFixedLengthVector(), useRVVForFixedLengthVectors(), and useRVVForFixedLengthVectorVT().

getRegBankInfo()

const RegisterBankInfo * RISCVSubtarget::getRegBankInfo ( ) const

override

Definition at line 109 of file RISCVSubtarget.cpp.

References RegBankInfo.

getRegisterInfo()

const RISCVRegisterInfo* llvm::RISCVSubtarget::getRegisterInfo ( ) const

inlineoverride

Definition at line 94 of file RISCVSubtarget.h.

Referenced by llvm::RISCVInstrInfo::areMemAccessesTriviallyDisjoint(), llvm::RISCVInstrInfo::copyPhysReg(), llvm::RISCVFrameLowering::emitEpilogue(), llvm::RISCVFrameLowering::emitPrologue(), llvm::RISCVTargetLowering::getRegisterByName(), llvm::RISCVFrameLowering::hasBP(), isConvertibleToVMV_V_V(), llvm::RISCVTargetLowering::LowerCall(), RISCVSubtarget(), and llvm::RISCVTargetLowering::RISCVTargetLowering().

getSelectionDAGInfo()

const SelectionDAGTargetInfo* llvm::RISCVSubtarget::getSelectionDAGInfo ( ) const

inlineoverride

Definition at line 100 of file RISCVSubtarget.h.

getTargetABI()

RISCVABI::ABI llvm::RISCVSubtarget::getTargetABI ( ) const

inline

Definition at line 131 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::shouldExtendTypeInLibCall().

getTargetLowering()

const RISCVTargetLowering* llvm::RISCVSubtarget::getTargetLowering ( ) const

inlineoverride

Definition at line 97 of file RISCVSubtarget.h.

Referenced by RISCVSubtarget().

getXLen()

unsigned llvm::RISCVSubtarget::getXLen ( ) const

inline

Definition at line 130 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::ComputeNumSignBitsForTargetNode(), llvm::RISCVTargetLowering::decomposeMulByConstant(), llvm::RISCVTargetLowering::emitMaskedAtomicCmpXchgIntrinsic(), llvm::RISCVTargetLowering::emitMaskedAtomicRMWIntrinsic(), llvm::RISCVFrameLowering::emitPrologue(), llvm::RISCVInstrInfo::isBranchOffsetInRange(), llvm::RISCVTargetLowering::isMulAddWithConstProfitable(), lowerBUILD_VECTOR(), llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::RISCVTargetLowering::LowerOperation(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), llvm::RISCVDAGToDAGISel::selectShiftMaskXLen(), transformAddImmMulImm(), and transformAddShlImm().

getXLenVT()

MVT llvm::RISCVSubtarget::getXLenVT ( ) const

inline

Definition at line 129 of file RISCVSubtarget.h.

Referenced by CC_RISCV_FastCC(), combineORToGORC(), combineORToGREV(), combineORToSHFL(), convertFromScalableVector(), convertToScalableVector(), getDefaultVLOps(), llvm::RISCVTargetLowering::joinRegisterPartsIntoValue(), llvm::RISCVTargetLowering::LowerAsmOperandForConstraint(), lowerBUILD_VECTOR(), llvm::RISCVTargetLowering::LowerCall(), llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::RISCVTargetLowering::LowerOperation(), lowerScalarSplat(), lowerVECTOR_SHUFFLE(), lowerVectorIntrinsicSplats(), llvm::RISCVTargetLowering::PerformDAGCombine(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), llvm::RISCVDAGToDAGISel::SelectAddrFI(), llvm::RISCVDAGToDAGISel::SelectBaseAddr(), selectImm(), llvm::RISCVDAGToDAGISel::selectRVVSimm5(), selectVSplatSimmHelper(), llvm::RISCVDAGToDAGISel::selectVSplatUimm5(), and llvm::RISCVTargetLowering::splitValueIntoRegisterParts().

hasStdExtA()

bool llvm::RISCVSubtarget::hasStdExtA ( ) const

inline

Definition at line 105 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::RISCVTargetLowering().

hasStdExtC()

bool llvm::RISCVSubtarget::hasStdExtC ( ) const

inline

Definition at line 108 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::RISCVTargetLowering().

hasStdExtD()

bool llvm::RISCVSubtarget::hasStdExtD ( ) const

inline

Definition at line 107 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::getRegForInlineAsmConstraint(), llvm::RISCVTargetLowering::hasBitPreservingFPLogic(), hasVInstructionsF64(), llvm::RISCVTargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::RISCVTargetLowering::isFPImmLegal(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::shouldConvertFpToSat().

hasStdExtF()

bool llvm::RISCVSubtarget::hasStdExtF ( ) const

inline

Definition at line 106 of file RISCVSubtarget.h.

Referenced by llvm::RISCVFrameLowering::determineCalleeSaves(), llvm::RISCVTargetLowering::getNumRegistersForCallingConv(), llvm::RISCVTargetLowering::getRegForInlineAsmConstraint(), llvm::RISCVTargetLowering::getRegisterTypeForCallingConv(), llvm::RISCVTargetLowering::hasBitPreservingFPLogic(), hasVInstructionsF32(), llvm::RISCVTargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::RISCVTargetLowering::isFPImmLegal(), llvm::RISCVTargetLowering::LowerOperation(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::shouldConvertFpToSat().

hasStdExtM()

bool llvm::RISCVSubtarget::hasStdExtM ( ) const

inline

Definition at line 104 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::decomposeMulByConstant(), llvm::RISCVInstrInfo::getVLENFactoredAmount(), performANY_EXTENDCombine(), llvm::RISCVTargetLowering::ReplaceNodeResults(), and llvm::RISCVTargetLowering::RISCVTargetLowering().

hasStdExtV()

bool llvm::RISCVSubtarget::hasStdExtV ( ) const

inline

Definition at line 119 of file RISCVSubtarget.h.

hasStdExtZba()

bool llvm::RISCVSubtarget::hasStdExtZba ( ) const

inline

Definition at line 109 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::decomposeMulByConstant(), and transformAddShlImm().

hasStdExtZbb()

bool llvm::RISCVSubtarget::hasStdExtZbb ( ) const

inline

Definition at line 110 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTTIImpl::getIntImmCostInst(), llvm::RISCVTTIImpl::getPopcntSupport(), llvm::RISCVTargetLowering::hasAndNot(), llvm::RISCVTargetLowering::isCheapToSpeculateCtlz(), llvm::RISCVTargetLowering::isCheapToSpeculateCttz(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::targetShrinkDemandedConstant().

hasStdExtZbc()

bool llvm::RISCVSubtarget::hasStdExtZbc ( ) const

inline

Definition at line 111 of file RISCVSubtarget.h.

hasStdExtZbe()

bool llvm::RISCVSubtarget::hasStdExtZbe ( ) const

inline

Definition at line 112 of file RISCVSubtarget.h.

hasStdExtZbf()

bool llvm::RISCVSubtarget::hasStdExtZbf ( ) const

inline

Definition at line 113 of file RISCVSubtarget.h.

hasStdExtZbm()

bool llvm::RISCVSubtarget::hasStdExtZbm ( ) const

inline

Definition at line 114 of file RISCVSubtarget.h.

hasStdExtZbp()

bool llvm::RISCVSubtarget::hasStdExtZbp ( ) const

inline

Definition at line 115 of file RISCVSubtarget.h.

Referenced by combineORToGORC(), combineORToGREV(), combineORToSHFL(), llvm::RISCVTargetLowering::LowerOperation(), performORCombine(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::targetShrinkDemandedConstant().

hasStdExtZbr()

bool llvm::RISCVSubtarget::hasStdExtZbr ( ) const

inline

Definition at line 116 of file RISCVSubtarget.h.

hasStdExtZbs()

bool llvm::RISCVSubtarget::hasStdExtZbs ( ) const

inline

Definition at line 117 of file RISCVSubtarget.h.

hasStdExtZbt()

bool llvm::RISCVSubtarget::hasStdExtZbt ( ) const

inline

Definition at line 118 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::ReplaceNodeResults(), and llvm::RISCVTargetLowering::RISCVTargetLowering().

hasStdExtZfh()

bool llvm::RISCVSubtarget::hasStdExtZfh ( ) const

inline

Definition at line 123 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::getRegForInlineAsmConstraint(), llvm::RISCVTargetLowering::hasBitPreservingFPLogic(), hasVInstructionsF16(), llvm::RISCVTargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::RISCVTargetLowering::LowerOperation(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::shouldConvertFpToSat().

hasStdExtZfhmin()

bool llvm::RISCVSubtarget::hasStdExtZfhmin ( ) const

inline

Definition at line 122 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::getNumRegistersForCallingConv(), llvm::RISCVTargetLowering::getRegisterTypeForCallingConv(), and llvm::RISCVTargetLowering::isFPImmLegal().

hasStdExtZvamo()

bool llvm::RISCVSubtarget::hasStdExtZvamo ( ) const

inline

Definition at line 121 of file RISCVSubtarget.h.

hasStdExtZvlsseg()

bool llvm::RISCVSubtarget::hasStdExtZvlsseg ( ) const

inline

Definition at line 120 of file RISCVSubtarget.h.

hasVInstructions()

bool llvm::RISCVSubtarget::hasVInstructions ( ) const

inline

Definition at line 138 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::CanLowerReturn(), CC_RISCV(), getMaxELENForFixedLengthVectors(), getMaxInterleaveFactor(), getMaxLMULForFixedLengthVectors(), getMaxRVVVectorSizeInBits(), llvm::RISCVTTIImpl::getMaxVScale(), getMinRVVVectorSizeInBits(), llvm::RISCVTargetLowering::getRegForInlineAsmConstraint(), llvm::RISCVTargetLowering::getSetCCResultType(), hasRVVSpillWithFIs(), lowerVectorIntrinsicSplats(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectors().

hasVInstructionsAnyF()

bool llvm::RISCVSubtarget::hasVInstructionsAnyF ( ) const

inline

Definition at line 144 of file RISCVSubtarget.h.

References hasVInstructionsF32().

hasVInstructionsF16()

bool llvm::RISCVSubtarget::hasVInstructionsF16 ( ) const

inline

Definition at line 140 of file RISCVSubtarget.h.

References hasStdExtZfh().

Referenced by llvm::RISCVTargetLowering::isLegalElementTypeForRVV(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectorVT().

hasVInstructionsF32()

bool llvm::RISCVSubtarget::hasVInstructionsF32 ( ) const

inline

Definition at line 141 of file RISCVSubtarget.h.

References hasStdExtF().

Referenced by hasVInstructionsAnyF(), llvm::RISCVTargetLowering::isLegalElementTypeForRVV(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectorVT().

hasVInstructionsF64()

bool llvm::RISCVSubtarget::hasVInstructionsF64 ( ) const

inline

Definition at line 142 of file RISCVSubtarget.h.

References hasStdExtD().

Referenced by llvm::RISCVTargetLowering::isLegalElementTypeForRVV(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectorVT().

hasVInstructionsI64()

bool llvm::RISCVSubtarget::hasVInstructionsI64 ( ) const

inline

Definition at line 139 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::isLegalElementTypeForRVV(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectorVT().

is64Bit()

bool llvm::RISCVSubtarget::is64Bit ( ) const

inline

Definition at line 124 of file RISCVSubtarget.h.

Referenced by combineORToGORC(), combineORToGREV(), llvm::RISCVTargetLowering::EmitInstrWithCustomInserter(), llvm::RISCVTargetLowering::isSExtCheaperThanZExt(), llvm::RISCVTargetLowering::isTruncateFree(), llvm::RISCVTargetLowering::isZExtFree(), lowerBUILD_VECTOR(), llvm::RISCVTargetLowering::LowerOperation(), llvm::RISCVInstrInfo::movImm(), performANY_EXTENDCombine(), llvm::RISCVTargetLowering::PerformDAGCombine(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and llvm::RISCVTargetLowering::shouldSignExtendTypeInLibCall().

isRegisterReservedByUser()

bool llvm::RISCVSubtarget::isRegisterReservedByUser ( Register  i ) const

inline

Definition at line 132 of file RISCVSubtarget.h.

References assert(), and i.

Referenced by llvm::RISCVFrameLowering::emitPrologue(), llvm::RISCVTargetLowering::getRegisterByName(), llvm::RISCVRegisterInfo::getReservedRegs(), llvm::RISCVTargetLowering::LowerCall(), and llvm::RISCVTargetLowering::LowerReturn().

isRV32E()

bool llvm::RISCVSubtarget::isRV32E ( ) const

inline

Definition at line 125 of file RISCVSubtarget.h.

Referenced by llvm::RISCVTargetLowering::RISCVTargetLowering().

ParseSubtargetFeatures()

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

useRVVForFixedLengthVectors()

bool RISCVSubtarget::useRVVForFixedLengthVectors

(

)

const

Definition at line 165 of file RISCVSubtarget.cpp.

References getMinRVVVectorSizeInBits(), and hasVInstructions().

Referenced by llvm::RISCVTargetLowering::getSetCCResultType(), llvm::RISCVTargetLowering::RISCVTargetLowering(), and useRVVForFixedLengthVectorVT().

Member Data Documentation

CallLoweringInfo

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

protected

Definition at line 151 of file RISCVSubtarget.h.

Referenced by getCallLowering(), and RISCVSubtarget().

InstSelector

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

protected

Definition at line 152 of file RISCVSubtarget.h.

Referenced by getInstructionSelector(), and RISCVSubtarget().

Legalizer

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

protected

Definition at line 153 of file RISCVSubtarget.h.

RegBankInfo

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

protected

Definition at line 154 of file RISCVSubtarget.h.

Referenced by getRegBankInfo(), and RISCVSubtarget().

---

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

• lib/Target/RISCV/RISCVSubtarget.h
• lib/Target/RISCV/RISCVSubtarget.cpp