LLVM: AMDGPURegBankLegalizeCombiner Class Reference

LLVM 22.0.0git

Public Member Functions
	AMDGPURegBankLegalizeCombiner (MachineIRBuilder &B, const SIRegisterInfo &TRI, const RegisterBankInfo &RBI)
bool	isLaneMask (Register Reg)
std::pair< MachineInstr *, Register >	tryMatch (Register Src, unsigned Opcode)
std::pair< GUnmerge *, int >	tryMatchRALFromUnmerge (Register Src)
Register	getReadAnyLaneSrc (Register Src)
void	replaceRegWithOrBuildCopy (Register Dst, Register Src)
bool	tryEliminateReadAnyLane (MachineInstr &Copy)
void	tryCombineCopy (MachineInstr &MI)
void	tryCombineS1AnyExt (MachineInstr &MI)

Detailed Description

Definition at line 99 of file AMDGPURegBankLegalize.cpp.

Constructor & Destructor Documentation

◆ AMDGPURegBankLegalizeCombiner()

AMDGPURegBankLegalizeCombiner::AMDGPURegBankLegalizeCombiner	(	MachineIRBuilder &	B,
		const SIRegisterInfo &	TRI,
		const RegisterBankInfo &	RBI )

inline

Definition at line 113 of file AMDGPURegBankLegalize.cpp.

Member Function Documentation

◆ getReadAnyLaneSrc()

Register AMDGPURegBankLegalizeCombiner::getReadAnyLaneSrc ( Register Src )

Definition at line 161 of file AMDGPURegBankLegalize.cpp.

References llvm::getOpcodeDef(), Merge, tryMatch(), and tryMatchRALFromUnmerge().

Referenced by tryEliminateReadAnyLane().

◆ isLaneMask()

bool AMDGPURegBankLegalizeCombiner::isLaneMask ( Register Reg )

Definition at line 131 of file AMDGPURegBankLegalize.cpp.

References llvm::RegisterBank::getID(), and llvm::LLT::scalar().

Referenced by tryCombineCopy().

◆ replaceRegWithOrBuildCopy()

void AMDGPURegBankLegalizeCombiner::replaceRegWithOrBuildCopy	(	Register	Dst,
		Register	Src )

Definition at line 210 of file AMDGPURegBankLegalize.cpp.

Referenced by tryEliminateReadAnyLane().

◆ tryCombineCopy()

void AMDGPURegBankLegalizeCombiner::tryCombineCopy ( MachineInstr & MI )

Definition at line 263 of file AMDGPURegBankLegalize.cpp.

References assert(), llvm::eraseInstr(), isLaneMask(), MI, tryEliminateReadAnyLane(), and tryMatch().

◆ tryCombineS1AnyExt()

void AMDGPURegBankLegalizeCombiner::tryCombineS1AnyExt ( MachineInstr & MI )

Definition at line 294 of file AMDGPURegBankLegalize.cpp.

References llvm::eraseInstr(), MI, and tryMatch().

◆ tryEliminateReadAnyLane()

bool AMDGPURegBankLegalizeCombiner::tryEliminateReadAnyLane ( MachineInstr & Copy )

Definition at line 218 of file AMDGPURegBankLegalize.cpp.

References llvm::eraseInstr(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), getReadAnyLaneSrc(), llvm::MachineOperand::getReg(), and replaceRegWithOrBuildCopy().

Referenced by tryCombineCopy().

◆ tryMatch()

std::pair< MachineInstr *, Register > AMDGPURegBankLegalizeCombiner::tryMatch	(	Register	Src,
		unsigned	Opcode )

Definition at line 141 of file AMDGPURegBankLegalize.cpp.

References llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), and Register.

Referenced by getReadAnyLaneSrc(), tryCombineCopy(), and tryCombineS1AnyExt().

◆ tryMatchRALFromUnmerge()

std::pair< GUnmerge *, int > AMDGPURegBankLegalizeCombiner::tryMatchRALFromUnmerge ( Register Src )

Definition at line 149 of file AMDGPURegBankLegalize.cpp.

References llvm::MachineInstr::getOpcode(), llvm::getOpcodeDef(), llvm::MachineInstr::getOperand(), and llvm::MachineOperand::getReg().

Referenced by getReadAnyLaneSrc().

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

lib/Target/AMDGPU/AMDGPURegBankLegalize.cpp