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, ArrayRef< LLT > Types, ArrayRef< MemDesc > MMODescrs={}, ArrayRef< int64_t > Immediates={})
LLVM_ABI 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.
ArrayRef< int64_t >	Immediates

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 102 of file LegalizerInfo.h.

Constructor & Destructor Documentation

LegalityQuery()

llvm::LegalityQuery::LegalityQuery ( unsigned Opcode, ArrayRef< LLT > Types, ArrayRef< MemDesc > MMODescrs = {}, ArrayRef< int64_t > Immediates = {} )

inlineconstexpr

Definition at line 128 of file LegalizerInfo.h.

References MMODescrs, Opcode, and Types.

Member Function Documentation

print()

raw_ostream & LegalityQuery::print

(

raw_ostream &

OS

)

const

Definition at line 79 of file LegalizerInfo.cpp.

References Imm, Immediates, MMODescrs, Opcode, and Types.

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

Member Data Documentation

Immediates

ArrayRef<int64_t> llvm::LegalityQuery::Immediates

Definition at line 126 of file LegalizerInfo.h.

Referenced by print().

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 124 of file LegalizerInfo.h.

Referenced by llvm::AArch64LegalizerInfo::AArch64LegalizerInfo(), CheckTy0Ty1MemSizeAlign(), isLoadStoreSizeLegal(), LegalityQuery(), llvm::MipsLegalizerInfo::MipsLegalizerInfo(), print(), shouldWidenLoad(), and llvm::X86LegalizerInfo::X86LegalizerInfo().

Opcode

unsigned llvm::LegalityQuery::Opcode

Definition at line 103 of file LegalizerInfo.h.

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

Types

ArrayRef<LLT> llvm::LegalityQuery::Types

Definition at line 104 of file LegalizerInfo.h.

Referenced by llvm::AArch64LegalizerInfo::AArch64LegalizerInfo(), llvm::LegalizeRuleSet::alignNumElementsTo(), CheckTy0Ty1MemSizeAlign(), CheckTyN(), llvm::LegalizeRuleSet::clampMaxNumElements(), llvm::LegalizeRuleSet::clampMinNumElements(), hasNoSimpleLoops(), isLoadStoreLegal(), isLoadStoreSizeLegal(), LegalityQuery(), 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::SPIRVLegalizerInfo::SPIRVLegalizerInfo(), 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