llvm::InlineAsmLowering Class Reference

#include "llvm/CodeGen/GlobalISel/InlineAsmLowering.h"

Inheritance diagram for llvm::InlineAsmLowering:

Public Member Functions
bool	lowerInlineAsm (MachineIRBuilder &MIRBuilder, const CallBase &CB, std::function< ArrayRef< Register >(const Value &Val)> GetOrCreateVRegs) const
	Lower the given inline asm call instruction GetOrCreateVRegs is a callback to materialize a register for the input and output operands of the inline asm.
virtual bool	lowerAsmOperandForConstraint (Value *Val, StringRef Constraint, std::vector< MachineOperand > &Ops, MachineIRBuilder &MIRBuilder) const
	Lower the specified operand into the Ops vector.
	InlineAsmLowering (const TargetLowering *TLI)
virtual	~InlineAsmLowering ()=default

Protected Member Functions
const TargetLowering *	getTLI () const
	Getter for generic TargetLowering class.
template<class XXXTargetLowering >
const XXXTargetLowering *	getTLI () const
	Getter for target specific TargetLowering class.

Detailed Description

Definition at line 28 of file InlineAsmLowering.h.

Constructor & Destructor Documentation

InlineAsmLowering()

llvm::InlineAsmLowering::InlineAsmLowering ( const TargetLowering *  TLI )

inline

Definition at line 61 of file InlineAsmLowering.h.

~InlineAsmLowering()

virtual llvm::InlineAsmLowering::~InlineAsmLowering ( )

virtualdefault

Member Function Documentation

getTLI() [1/2]

const TargetLowering * llvm::InlineAsmLowering::getTLI ( ) const

inlineprotected

Getter for generic TargetLowering class.

Definition at line 53 of file InlineAsmLowering.h.

getTLI() [2/2]

template<class XXXTargetLowering >

const XXXTargetLowering * llvm::InlineAsmLowering::getTLI ( ) const

inlineprotected

Getter for target specific TargetLowering class.

Definition at line 56 of file InlineAsmLowering.h.

lowerAsmOperandForConstraint()

bool InlineAsmLowering::lowerAsmOperandForConstraint ( Value *  Val, StringRef  Constraint, std::vector< MachineOperand > &  Ops, MachineIRBuilder &  MIRBuilder  ) const

virtual

Lower the specified operand into the Ops vector.

Val is the IR input value to be lowered Constraint is the user supplied constraint string Ops is the vector to be filled with the lowered operands

Returns

True if the lowering succeeds, false otherwise.

Reimplemented in llvm::SPIRVInlineAsmLowering.

Definition at line 623 of file InlineAsmLowering.cpp.

References assert(), llvm::MachineOperand::CreateImm(), and llvm::StringRef::size().

Referenced by llvm::SPIRVInlineAsmLowering::lowerAsmOperandForConstraint(), and lowerInlineAsm().

lowerInlineAsm()

bool InlineAsmLowering::lowerInlineAsm	(	MachineIRBuilder &	MIRBuilder,
		const CallBase &	CB,
		std::function< ArrayRef< Register >(const Value &Val)>	GetOrCreateVRegs
	)		const

Lower the given inline asm call instruction GetOrCreateVRegs is a callback to materialize a register for the input and output operands of the inline asm.

Returns

True if the lowering succeeds, false otherwise.

ConstraintOperands - Information about all of the constraints.

Definition at line 215 of file InlineAsmLowering.cpp.

References llvm::MachineInstrBuilder::addExternalSymbol(), llvm::MachineInstrBuilder::addImm(), assert(), buildAnyextOrCopy(), llvm::MachineIRBuilder::buildCopy(), llvm::MachineIRBuilder::buildInstrNoInsert(), llvm::MachineIRBuilder::buildTrunc(), llvm::TargetLowering::C_Address, llvm::TargetLowering::C_Immediate, llvm::TargetLowering::C_Memory, llvm::TargetLowering::C_Other, llvm::TargetLowering::C_Register, llvm::TargetLowering::C_RegisterClass, llvm::TargetLowering::C_Unknown, llvm::TargetLowering::AsmOperandInfo::CallOperandVal, llvm::InlineAsm::Clobber, computeConstraintToUse(), llvm::TargetLowering::AsmOperandInfo::ConstraintCode, llvm::TargetLowering::AsmOperandInfo::ConstraintType, llvm::dbgs(), llvm::RegState::Define, DL, llvm::RegState::EarlyClobber, F, llvm::TargetLoweringBase::getAsmOperandValueType(), llvm::MachineFunction::getFunction(), llvm::TargetRegisterClass::getID(), llvm::getImplRegState(), llvm::TargetLowering::getInlineAsmMemConstraint(), llvm::TargetLowering::AsmOperandInfo::getMatchedOperand(), llvm::MachineIRBuilder::getMF(), llvm::MachineIRBuilder::getMRI(), llvm::MachineInstr::getNumOperands(), getNumOpRegs(), llvm::TargetSubtargetInfo::getRegisterInfo(), getRegistersForValue(), llvm::TargetLowering::getRoundingControlRegisters(), llvm::TargetLoweringBase::getSimpleValueType(), llvm::EVT::getSimpleVT(), llvm::LLT::getSizeInBits(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::InlineAsm::Imm, llvm::RegState::Implicit, llvm::RegState::ImplicitDefine, llvm::MachineIRBuilder::insertInstr(), llvm::InlineAsm::isClobber, llvm::InlineAsm::ConstraintInfo::isEarlyClobber, llvm::InlineAsm::ConstraintInfo::isIndirect, llvm::InlineAsm::isInput, llvm::InlineAsm::isLabel, llvm::TargetLowering::AsmOperandInfo::isMatchingInputConstraint(), llvm::InlineAsm::Flag::isMemKind(), llvm::InlineAsm::isOutput, llvm::InlineAsm::Flag::isRegDefEarlyClobberKind(), llvm::InlineAsm::Flag::isRegDefKind(), llvm::LLT::isScalar(), llvm::Type::isSingleValueType(), LLVM_DEBUG, lowerAsmOperandForConstraint(), llvm::InlineAsm::Mem, MRI, llvm::LLVMContext::OB_convergencectrl, llvm::TargetLowering::ParseConstraints(), llvm::InlineAsm::RegDef, llvm::InlineAsm::RegDefEarlyClobber, llvm::InlineAsm::RegUse, llvm::LLT::scalar(), llvm::InlineAsm::Flag::setMatchingOp(), llvm::InlineAsm::Flag::setMemConstraint(), llvm::ArrayRef< T >::size(), TRI, llvm::InlineAsm::ConstraintInfo::Type, and llvm::InlineAsm::Unknown.

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

• include/llvm/CodeGen/GlobalISel/InlineAsmLowering.h
• lib/CodeGen/GlobalISel/InlineAsmLowering.cpp