llvm::RISCVVType Namespace Reference

Functions
static bool	isValidSEW (unsigned SEW)
static bool	isValidLMUL (unsigned LMUL, bool Fractional)
unsigned	encodeVTYPE (RISCVII::VLMUL VLMUL, unsigned SEW, bool TailAgnostic, bool MaskAgnostic)
static RISCVII::VLMUL	getVLMUL (unsigned VType)
std::pair< unsigned, bool >	decodeVLMUL (RISCVII::VLMUL VLMUL)
static RISCVII::VLMUL	encodeLMUL (unsigned LMUL, bool Fractional)
static unsigned	decodeVSEW (unsigned VSEW)
static unsigned	encodeSEW (unsigned SEW)
static unsigned	getSEW (unsigned VType)
static bool	isTailAgnostic (unsigned VType)
static bool	isMaskAgnostic (unsigned VType)
void	printVType (unsigned VType, raw_ostream &OS)
unsigned	getSEWLMULRatio (unsigned SEW, RISCVII::VLMUL VLMul)
std::optional< RISCVII::VLMUL >	getSameRatioLMUL (unsigned SEW, RISCVII::VLMUL VLMUL, unsigned EEW)
static RISCVII::VLMUL	twoTimesVLMUL (RISCVII::VLMUL VLMul)
	Return the RISCVII::VLMUL that is two times VLMul.
static std::pair< unsigned, bool >	getEMULEqualsEEWDivSEWTimesLMUL (unsigned Log2EEW, const MachineInstr &MI)
	Return EMUL = (EEW / SEW) * LMUL where EEW comes from Log2EEW and LMUL and SEW are from the TSFlags of MI.

Function Documentation

decodeVLMUL()

std::pair< unsigned, bool > llvm::RISCVVType::decodeVLMUL

(

RISCVII::VLMUL

VLMUL

)

Definition at line 182 of file RISCVTargetParser.cpp.

References llvm_unreachable, llvm::RISCVII::LMUL_1, llvm::RISCVII::LMUL_2, llvm::RISCVII::LMUL_4, llvm::RISCVII::LMUL_8, llvm::RISCVII::LMUL_F2, llvm::RISCVII::LMUL_F4, and llvm::RISCVII::LMUL_F8.

Referenced by llvm::RISCVTargetLowering::computeKnownBitsForTargetNode(), llvm::RISCVInstrInfo::copyPhysRegVector(), getEMULEqualsEEWDivSEWTimesLMUL(), llvm::RISCVTargetLowering::getLMULCost(), getSEWLMULRatio(), llvm::RISCVTargetLowering::isLegalInterleavedAccessType(), printVType(), llvm::RISCVDAGToDAGISel::selectVLXSEG(), and llvm::RISCVDAGToDAGISel::selectVSXSEG().

decodeVSEW()

static unsigned llvm::RISCVVType::decodeVSEW ( unsigned  VSEW )

inlinestatic

Definition at line 115 of file RISCVTargetParser.h.

References assert().

Referenced by llvm::RISCVTargetLowering::computeKnownBitsForTargetNode(), computeKnownBitsFromOperator(), getSEW(), and llvm::RISCVDAGToDAGISel::selectVSETVLI().

encodeLMUL()

static RISCVII::VLMUL llvm::RISCVVType::encodeLMUL ( unsigned  LMUL, bool  Fractional  )

inlinestatic

Definition at line 109 of file RISCVTargetParser.h.

References assert(), isValidLMUL(), and llvm::Log2_32().

Referenced by getSameRatioLMUL(), and lowerGetVectorLength().

encodeSEW()

static unsigned llvm::RISCVVType::encodeSEW ( unsigned  SEW )

inlinestatic

Definition at line 120 of file RISCVTargetParser.h.

References assert(), isValidSEW(), and llvm::Log2_32().

Referenced by encodeVTYPE(), lowerGetVectorLength(), and lowerVectorIntrinsicScalars().

encodeVTYPE()

unsigned llvm::RISCVVType::encodeVTYPE	(	RISCVII::VLMUL	VLMUL,
		unsigned	SEW,
		bool	TailAgnostic,
		bool	MaskAgnostic
	)

Definition at line 168 of file RISCVTargetParser.cpp.

References assert(), encodeSEW(), and isValidSEW().

Referenced by llvm::RISCVDAGToDAGISel::selectVSETVLI().

getEMULEqualsEEWDivSEWTimesLMUL()

static std::pair< unsigned, bool > llvm::RISCVVType::getEMULEqualsEEWDivSEWTimesLMUL ( unsigned  Log2EEW, const MachineInstr &  MI  )

static

Return EMUL = (EEW / SEW) * LMUL where EEW comes from Log2EEW and LMUL and SEW are from the TSFlags of MI.

Definition at line 157 of file RISCVVLOptimizer.cpp.

References decodeVLMUL(), llvm::RISCVII::getLMul(), llvm::RISCVII::getSEWOpNum(), and MI.

Referenced by getIntegerExtensionOperandInfo(), and getOperandInfo().

getSameRatioLMUL()

std::optional< RISCVII::VLMUL > llvm::RISCVVType::getSameRatioLMUL	(	unsigned	SEW,
		RISCVII::VLMUL	VLMUL,
		unsigned	EEW
	)

Definition at line 236 of file RISCVTargetParser.cpp.

References encodeLMUL(), getSEWLMULRatio(), and isValidLMUL().

Referenced by adjustIncoming(), and llvm::mca::getEEWAndEMUL().

getSEW()

static unsigned llvm::RISCVVType::getSEW ( unsigned  VType )

inlinestatic

Definition at line 125 of file RISCVTargetParser.h.

References decodeVSEW().

Referenced by llvm::mca::RISCVInstrumentManager::createInstruments(), isConvertibleToVMV_V_V(), printVType(), and llvm::RISCVInstPrinter::printVTypeI().

getSEWLMULRatio()

unsigned llvm::RISCVVType::getSEWLMULRatio	(	unsigned	SEW,
		RISCVII::VLMUL	VLMul
	)

Definition at line 223 of file RISCVTargetParser.cpp.

References assert(), and decodeVLMUL().

Referenced by computeKnownBitsFromOperator(), getSameRatioLMUL(), and llvm::RISCVDAGToDAGISel::selectVSETVLI().

getVLMUL()

static RISCVII::VLMUL llvm::RISCVVType::getVLMUL ( unsigned  VType )

inlinestatic

Definition at line 101 of file RISCVTargetParser.h.

Referenced by llvm::mca::RISCVInstrumentManager::createInstruments(), isConvertibleToVMV_V_V(), printVType(), and llvm::RISCVInstPrinter::printVTypeI().

isMaskAgnostic()

static bool llvm::RISCVVType::isMaskAgnostic ( unsigned  VType )

inlinestatic

Definition at line 132 of file RISCVTargetParser.h.

Referenced by printVType().

isTailAgnostic()

static bool llvm::RISCVVType::isTailAgnostic ( unsigned  VType )

inlinestatic

Definition at line 130 of file RISCVTargetParser.h.

Referenced by isConvertibleToVMV_V_V(), and printVType().

isValidLMUL()

static bool llvm::RISCVVType::isValidLMUL ( unsigned  LMUL, bool  Fractional  )

inlinestatic

Definition at line 94 of file RISCVTargetParser.h.

References llvm::isPowerOf2_32().

Referenced by encodeLMUL(), and getSameRatioLMUL().

isValidSEW()

static bool llvm::RISCVVType::isValidSEW ( unsigned  SEW )

inlinestatic

Definition at line 89 of file RISCVTargetParser.h.

References llvm::isPowerOf2_32().

Referenced by llvm::RISCVInstrInfo::createMIROperandComment(), encodeSEW(), encodeVTYPE(), and llvm::RISCVInstrInfo::verifyInstruction().

printVType()

void llvm::RISCVVType::printVType	(	unsigned	VType,
		raw_ostream &	OS
	)

Definition at line 198 of file RISCVTargetParser.cpp.

References decodeVLMUL(), getSEW(), getVLMUL(), isMaskAgnostic(), isTailAgnostic(), and OS.

Referenced by llvm::RISCVInstrInfo::createMIROperandComment(), and llvm::RISCVInstPrinter::printVTypeI().

twoTimesVLMUL()

static RISCVII::VLMUL llvm::RISCVVType::twoTimesVLMUL ( RISCVII::VLMUL  VLMul )

static

Return the RISCVII::VLMUL that is two times VLMul.

Precondition: VLMul is not LMUL_RESERVED or LMUL_8.

Definition at line 134 of file RISCVVLOptimizer.cpp.

References llvm_unreachable, llvm::RISCVII::LMUL_1, llvm::RISCVII::LMUL_2, llvm::RISCVII::LMUL_4, llvm::RISCVII::LMUL_8, llvm::RISCVII::LMUL_F2, llvm::RISCVII::LMUL_F4, and llvm::RISCVII::LMUL_F8.

Referenced by getOperandInfo().