AMDGPUPostLegalizerCombinerHelper Class Reference

Collaboration diagram for AMDGPUPostLegalizerCombinerHelper:

Classes
struct	CvtF32UByteMatchInfo
struct	FMinFMaxLegacyInfo

Public Member Functions
	AMDGPUPostLegalizerCombinerHelper (MachineIRBuilder &B, AMDGPUCombinerHelper &Helper)
bool	matchFMinFMaxLegacy (MachineInstr &MI, FMinFMaxLegacyInfo &Info)
void	applySelectFCmpToFMinToFMaxLegacy (MachineInstr &MI, const FMinFMaxLegacyInfo &Info)
bool	matchUCharToFloat (MachineInstr &MI)
void	applyUCharToFloat (MachineInstr &MI)
bool	matchRcpSqrtToRsq (MachineInstr &MI, std::function< void(MachineIRBuilder &)> &MatchInfo)
bool	matchCvtF32UByteN (MachineInstr &MI, CvtF32UByteMatchInfo &MatchInfo)
void	applyCvtF32UByteN (MachineInstr &MI, const CvtF32UByteMatchInfo &MatchInfo)
bool	matchRemoveFcanonicalize (MachineInstr &MI, Register &Reg)

Protected Attributes
MachineIRBuilder &	B
MachineFunction &	MF
MachineRegisterInfo &	MRI
AMDGPUCombinerHelper &	Helper

Detailed Description

Definition at line 34 of file AMDGPUPostLegalizerCombiner.cpp.

Constructor & Destructor Documentation

AMDGPUPostLegalizerCombinerHelper()

AMDGPUPostLegalizerCombinerHelper::AMDGPUPostLegalizerCombinerHelper ( MachineIRBuilder &  B, AMDGPUCombinerHelper &  Helper  )

inline

Definition at line 42 of file AMDGPUPostLegalizerCombiner.cpp.

Member Function Documentation

applyCvtF32UByteN()

void AMDGPUPostLegalizerCombinerHelper::applyCvtF32UByteN	(	MachineInstr &	MI,
		const CvtF32UByteMatchInfo &	MatchInfo
	)

Definition at line 280 of file AMDGPUPostLegalizerCombiner.cpp.

References assert(), B, AMDGPUPostLegalizerCombinerHelper::CvtF32UByteMatchInfo::CvtVal, llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::LLT::isScalar(), MI, MRI, llvm::LLT::scalar(), and AMDGPUPostLegalizerCombinerHelper::CvtF32UByteMatchInfo::ShiftOffset.

applySelectFCmpToFMinToFMaxLegacy()

void AMDGPUPostLegalizerCombinerHelper::applySelectFCmpToFMinToFMaxLegacy	(	MachineInstr &	MI,
		const FMinFMaxLegacyInfo &	Info
	)

Definition at line 118 of file AMDGPUPostLegalizerCombiner.cpp.

References B, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, Info, llvm_unreachable, MI, X, and Y.

applyUCharToFloat()

void AMDGPUPostLegalizerCombinerHelper::applyUCharToFloat

(

MachineInstr &

MI

)

Definition at line 186 of file AMDGPUPostLegalizerCombiner.cpp.

References B, llvm::MachineRegisterInfo::getType(), MI, MRI, and llvm::LLT::scalar().

matchCvtF32UByteN()

bool AMDGPUPostLegalizerCombinerHelper::matchCvtF32UByteN	(	MachineInstr &	MI,
		CvtF32UByteMatchInfo &	MatchInfo
	)

Definition at line 252 of file AMDGPUPostLegalizerCombiner.cpp.

References AMDGPUPostLegalizerCombinerHelper::CvtF32UByteMatchInfo::CvtVal, llvm::MIPatternMatch::m_GLShr(), llvm::MIPatternMatch::m_GShl(), llvm::MIPatternMatch::m_GZExt(), llvm::MIPatternMatch::m_ICst(), llvm::MIPatternMatch::m_Reg(), MI, llvm::MIPatternMatch::mi_match(), MRI, and AMDGPUPostLegalizerCombinerHelper::CvtF32UByteMatchInfo::ShiftOffset.

matchFMinFMaxLegacy()

bool AMDGPUPostLegalizerCombinerHelper::matchFMinFMaxLegacy	(	MachineInstr &	MI,
		FMinFMaxLegacyInfo &	Info
	)

Definition at line 79 of file AMDGPUPostLegalizerCombiner.cpp.

References Cond, llvm::CmpInst::FCMP_FALSE, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_TRUE, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, llvm::MachineFunction::getSubtarget(), llvm::MachineRegisterInfo::getType(), llvm::AMDGPUSubtarget::hasFminFmaxLegacy(), llvm::MachineRegisterInfo::hasOneNonDBGUse(), Info, llvm::MIPatternMatch::m_GFCmp(), llvm::MIPatternMatch::m_Pred(), llvm::MIPatternMatch::m_Reg(), MI, llvm::MIPatternMatch::mi_match(), MRI, and llvm::LLT::scalar().

matchRcpSqrtToRsq()

bool AMDGPUPostLegalizerCombinerHelper::matchRcpSqrtToRsq	(	MachineInstr &	MI,
		std::function< void(MachineIRBuilder &)> &	MatchInfo
	)

Definition at line 210 of file AMDGPUPostLegalizerCombiner.cpp.

References B, llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getVRegDef(), llvm::MIPatternMatch::m_GFSqrt(), llvm::MIPatternMatch::m_MInstr(), MI, llvm::MIPatternMatch::mi_match(), and MRI.

matchRemoveFcanonicalize()

bool AMDGPUPostLegalizerCombinerHelper::matchRemoveFcanonicalize	(	MachineInstr &	MI,
		Register &	Reg
	)

Definition at line 298 of file AMDGPUPostLegalizerCombiner.cpp.

References llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::SITargetLowering::isCanonicalized(), and MI.

matchUCharToFloat()

bool AMDGPUPostLegalizerCombinerHelper::matchUCharToFloat

(

MachineInstr &

MI

)

Definition at line 167 of file AMDGPUPostLegalizerCombiner.cpp.

References assert(), llvm::APInt::getHighBitsSet(), llvm::CombinerHelper::getKnownBits(), llvm::LLT::getSizeInBits(), llvm::MachineRegisterInfo::getType(), llvm::BitmaskEnumDetail::Mask(), llvm::GISelKnownBits::maskedValueIsZero(), MI, MRI, and llvm::LLT::scalar().

Member Data Documentation

B

MachineIRBuilder& AMDGPUPostLegalizerCombinerHelper::B

protected

Definition at line 36 of file AMDGPUPostLegalizerCombiner.cpp.

Helper

AMDGPUCombinerHelper& AMDGPUPostLegalizerCombinerHelper::Helper

protected

Definition at line 39 of file AMDGPUPostLegalizerCombiner.cpp.

MF

MachineFunction& AMDGPUPostLegalizerCombinerHelper::MF

protected

Definition at line 37 of file AMDGPUPostLegalizerCombiner.cpp.

MRI

MachineRegisterInfo& AMDGPUPostLegalizerCombinerHelper::MRI

protected

Definition at line 38 of file AMDGPUPostLegalizerCombiner.cpp.

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

• lib/Target/AMDGPU/AMDGPUPostLegalizerCombiner.cpp