llvm::ARMLegalizerInfo Class Reference

#include "Target/ARM/ARMLegalizerInfo.h"

Inheritance diagram for llvm::ARMLegalizerInfo:

Public Member Functions
	ARMLegalizerInfo (const ARMSubtarget &ST)
bool	legalizeCustom (LegalizerHelper &Helper, MachineInstr &MI, LostDebugLocObserver &LocObserver) const override
	Called for instructions with the Custom LegalizationAction.
Public Member Functions inherited from llvm::LegalizerInfo
virtual	~LegalizerInfo ()=default
const LegacyLegalizerInfo &	getLegacyLegalizerInfo () const
LegacyLegalizerInfo &	getLegacyLegalizerInfo ()
unsigned	getOpcodeIdxForOpcode (unsigned Opcode) const
unsigned	getActionDefinitionsIdx (unsigned Opcode) const
void	verify (const MCInstrInfo &MII) const
	Perform simple self-diagnostic and assert if there is anything obviously wrong with the actions set up.
const LegalizeRuleSet &	getActionDefinitions (unsigned Opcode) const
	Get the action definitions for the given opcode.
LegalizeRuleSet &	getActionDefinitionsBuilder (unsigned Opcode)
	Get the action definition builder for the given opcode.
LegalizeRuleSet &	getActionDefinitionsBuilder (std::initializer_list< unsigned > Opcodes)
	Get the action definition builder for the given set of opcodes.
void	aliasActionDefinitions (unsigned OpcodeTo, unsigned OpcodeFrom)
LegalizeActionStep	getAction (const LegalityQuery &Query) const
	Determine what action should be taken to legalize the described instruction.
LegalizeActionStep	getAction (const MachineInstr &MI, const MachineRegisterInfo &MRI) const
	Determine what action should be taken to legalize the given generic instruction.
bool	isLegal (const LegalityQuery &Query) const
bool	isLegalOrCustom (const LegalityQuery &Query) const
bool	isLegal (const MachineInstr &MI, const MachineRegisterInfo &MRI) const
bool	isLegalOrCustom (const MachineInstr &MI, const MachineRegisterInfo &MRI) const
virtual bool	legalizeCustom (LegalizerHelper &Helper, MachineInstr &MI, LostDebugLocObserver &LocObserver) const
	Called for instructions with the Custom LegalizationAction.
virtual bool	legalizeIntrinsic (LegalizerHelper &Helper, MachineInstr &MI) const
virtual unsigned	getExtOpcodeForWideningConstant (LLT SmallTy) const
	Return the opcode (SEXT/ZEXT/ANYEXT) that should be performed while widening a constant of type SmallTy which targets can override.

Detailed Description

Definition at line 26 of file ARMLegalizerInfo.h.

Constructor & Destructor Documentation

ARMLegalizerInfo()

ARMLegalizerInfo::ARMLegalizerInfo

(

const ARMSubtarget &

ST

)

Definition at line 32 of file ARMLegalizerInfo.cpp.

References AEABI(), llvm::LegalizeRuleSet::alwaysLegal(), llvm::LegalizeRuleSet::clampScalar(), llvm::LegalizeRuleSet::customFor(), llvm::LegalizeRuleSet::customForCartesianProduct(), llvm::LegalizerInfo::getActionDefinitionsBuilder(), llvm::LegalizerInfo::getLegacyLegalizerInfo(), llvm::LegalizeRuleSet::legalFor(), llvm::LegalizeRuleSet::legalForCartesianProduct(), llvm::LegalizeRuleSet::legalForTypesWithMemDesc(), libcall, llvm::LegalizeRuleSet::libcallFor(), llvm::LegalizeRuleSet::lower(), llvm::LegalizeRuleSet::lowerFor(), llvm::LegalizeRuleSet::maxScalar(), llvm::LLT::pointer(), llvm::LLT::scalar(), and verify.

Member Function Documentation

legalizeCustom()

bool ARMLegalizerInfo::legalizeCustom ( LegalizerHelper &  Helper, MachineInstr &  MI, LostDebugLocObserver &  LocObserver  ) const

overridevirtual

Called for instructions with the Custom LegalizationAction.

Reimplemented from llvm::LegalizerInfo.

Definition at line 337 of file ARMLegalizerInfo.cpp.

References assert(), llvm::CmpInst::BAD_ICMP_PREDICATE, llvm::MachineIRBuilder::buildAnd(), llvm::MachineIRBuilder::buildConstant(), llvm::MachineIRBuilder::buildGetFPEnv(), llvm::MachineIRBuilder::buildICmp(), llvm::MachineIRBuilder::buildOr(), llvm::MachineIRBuilder::buildSetFPEnv(), llvm::MachineIRBuilder::buildTrunc(), llvm::createLibcall(), llvm::CmpInst::FCMP_FALSE, llvm::CmpInst::FCMP_TRUE, llvm::ARM::FPStatusBits, llvm::StructType::get(), llvm::Function::getContext(), llvm::Type::getDoubleTy(), llvm::Type::getFloatTy(), llvm::MachineFunction::getFunction(), llvm::Type::getInt32Ty(), llvm::MachineIRBuilder::getMF(), llvm::MachineIRBuilder::getMRI(), getReg(), llvm::CmpInst::isIntPredicate(), llvm::LegalizerHelper::Legalized, llvm::LegalizeActions::Libcall, MI, llvm::LegalizerHelper::MIRBuilder, MRI, Results, RetTy, llvm::LLT::scalar(), llvm::Function::size(), and Size.

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

• lib/Target/ARM/ARMLegalizerInfo.h
• lib/Target/ARM/ARMLegalizerInfo.cpp