llvm::RISCVMatInt Namespace Reference

Classes
struct	Inst

Typedefs
using	InstSeq = SmallVector< Inst, 8 >

Functions
InstSeq	generateInstSeq (int64_t Val, const FeatureBitset &ActiveFeatures)
int	getIntMatCost (const APInt &Val, unsigned Size, const FeatureBitset &ActiveFeatures, bool CompressionCost)

Typedef Documentation

InstSeq

using llvm::RISCVMatInt::InstSeq = typedef SmallVector<Inst, 8>

Definition at line 27 of file RISCVMatInt.h.

Function Documentation

generateInstSeq()

InstSeq llvm::RISCVMatInt::generateInstSeq	(	int64_t	Val,
		const FeatureBitset &	ActiveFeatures
	)

Definition at line 137 of file RISCVMatInt.cpp.

References assert(), llvm::tgtok::Bit, llvm::SmallVectorImpl< T >::clear(), llvm::countLeadingZeros(), llvm::countPopulation(), llvm::countTrailingZeros(), generateInstSeqImpl(), llvm::MipsISD::Hi, llvm::isInt< 32 >(), ll, and llvm::MipsISD::Lo.

Referenced by getIntMatCost(), llvm::RISCVInstrInfo::movImm(), and selectImm().

getIntMatCost()

int llvm::RISCVMatInt::getIntMatCost	(	const APInt &	Val,
		unsigned	Size,
		const FeatureBitset &	ActiveFeatures,
		bool	CompressionCost
	)

Definition at line 283 of file RISCVMatInt.cpp.

References llvm::APInt::ashr(), generateInstSeq(), getInstSeqCost(), llvm::APInt::getSExtValue(), llvm::max(), llvm::APInt::sextOrTrunc(), and llvm::Check::Size.

Referenced by llvm::RISCVTTIImpl::getIntImmCost(), and llvm::RISCVTargetLowering::isDesirableToCommuteWithShift().