llvm::LegalityQuery Struct Reference

The LegalityQuery object bundles together all the information that's needed to decide whether a given operation is legal or not. More...

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

Classes
struct	MemDesc

Public Member Functions
constexpr	LegalityQuery (unsigned Opcode, const ArrayRef< LLT > Types, const ArrayRef< MemDesc > MMODescrs)
constexpr	LegalityQuery (unsigned Opcode, const ArrayRef< LLT > Types)
raw_ostream &	print (raw_ostream &OS) const

Public Attributes
unsigned	Opcode
ArrayRef< LLT >	Types
ArrayRef< MemDesc >	MMODescrs
	Operations which require memory can use this to place requirements on the memory type for each MMO.

Detailed Description

The LegalityQuery object bundles together all the information that's needed to decide whether a given operation is legal or not.

For efficiency, it doesn't make a copy of Types so care must be taken not to free it before using the query.

Definition at line 109 of file LegalizerInfo.h.

Constructor & Destructor Documentation

LegalityQuery() [1/2]

constexpr llvm::LegalityQuery::LegalityQuery ( unsigned  Opcode, const ArrayRef< LLT >  Types, const ArrayRef< MemDesc >  MMODescrs  )

inlineconstexpr

Definition at line 131 of file LegalizerInfo.h.

LegalityQuery() [2/2]

constexpr llvm::LegalityQuery::LegalityQuery ( unsigned  Opcode, const ArrayRef< LLT >  Types  )

inlineconstexpr

Definition at line 134 of file LegalizerInfo.h.

Member Function Documentation

print()

raw_ostream & LegalityQuery::print

(

raw_ostream &

OS

)

const

Definition at line 79 of file LegalizerInfo.cpp.

References MMODescrs, Opcode, OS, and Types.

Referenced by llvm::LegalizeRuleSet::apply().

Member Data Documentation

MMODescrs

ArrayRef<MemDesc> llvm::LegalityQuery::MMODescrs

Operations which require memory can use this to place requirements on the memory type for each MMO.

Definition at line 129 of file LegalizerInfo.h.

Referenced by llvm::AArch64LegalizerInfo::AArch64LegalizerInfo(), CheckTy0Ty1MemSizeAlign(), isLoadStoreSizeLegal(), llvm::MipsLegalizerInfo::MipsLegalizerInfo(), print(), and shouldWidenLoad().

Opcode

unsigned llvm::LegalityQuery::Opcode

Definition at line 110 of file LegalizerInfo.h.

Referenced by llvm::LegacyLegalizerInfo::getAction(), llvm::LegalizerInfo::getAction(), isLoadStoreSizeLegal(), print(), and llvm::X86LegalizerInfo::X86LegalizerInfo().

Types

ArrayRef<LLT> llvm::LegalityQuery::Types

Definition at line 111 of file LegalizerInfo.h.

Referenced by llvm::AArch64LegalizerInfo::AArch64LegalizerInfo(), llvm::LegalizeRuleSet::alignNumElementsTo(), CheckTy0Ty1MemSizeAlign(), CheckTyN(), llvm::LegalizeRuleSet::clampMaxNumElements(), llvm::LegalizeRuleSet::clampMinNumElements(), llvm::LegacyLegalizerInfo::getAction(), hasNoSimpleLoops(), isLoadStoreLegal(), isLoadStoreSizeLegal(), llvm::LegalizeRuleSet::maxScalarEltSameAsIf(), llvm::LegalizeRuleSet::maxScalarIf(), llvm::LegalizeRuleSet::maxScalarSameAs(), llvm::LegalizeRuleSet::minScalarEltSameAsIf(), llvm::LegalizeRuleSet::minScalarIf(), llvm::LegalizeRuleSet::minScalarSameAs(), llvm::MipsLegalizerInfo::MipsLegalizerInfo(), mutationIsSane(), print(), shouldWidenLoad(), llvm::LegalizeRuleSet::widenVectorEltsToVectorMinSize(), and llvm::X86LegalizerInfo::X86LegalizerInfo().

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

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