llvm::StructLayout Class Reference

#include <DataLayout.h>

List of all members.

Public Member Functions
uint64_t	getSizeInBytes () const
uint64_t	getSizeInBits () const
unsigned	getAlignment () const
unsigned	getElementContainingOffset (uint64_t Offset) const
uint64_t	getElementOffset (unsigned Idx) const
uint64_t	getElementOffsetInBits (unsigned Idx) const
Friends
class	DataLayout

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Detailed Description

StructLayout - used to lazily calculate structure layout information for a target machine, based on the DataLayout structure.

Definition at line 480 of file DataLayout.h.

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Member Function Documentation

unsigned llvm::StructLayout::getAlignment

(

)

const [inline]

Definition at line 495 of file DataLayout.h.

unsigned StructLayout::getElementContainingOffset

(

uint64_t

Offset

)

const

getElementContainingOffset - Given a valid byte offset into the structure, return the structure index that contains it.

getElementContainingOffset - Given a valid offset into the structure, return the structure index that contains it.

Definition at line 79 of file DataLayout.cpp.

Referenced by getNaturalGEPRecursively(), getTypePartition(), LLVMElementAtOffset(), ReadDataFromGlobal(), stripAggregateTypeWrapping(), and SymbolicallyEvaluateGEP().

uint64_t llvm::StructLayout::getElementOffset

(

unsigned

Idx

)

const [inline]

Definition at line 504 of file DataLayout.h.

Referenced by llvm::GEPOperator::accumulateConstantOffset(), computeKnownBits(), llvm::ComputeValueVTs(), DecomposeGEPExpression(), llvm::EmitGEPOffset(), emitGlobalConstantStruct(), EvaluateGEPOffsetExpression(), getElementOffsetInBits(), llvm::DataLayout::getIndexedOffset(), getNaturalGEPRecursively(), GetOffsetFromIndex(), llvm::ScalarEvolution::getOffsetOfExpr(), getTypePartition(), llvm::ExecutionEngine::InitializeMemory(), isGEPKnownNonNull(), LLVMOffsetOfElement(), ReadDataFromGlobal(), llvm::FastISel::selectGetElementPtr(), SRAGlobal(), and SymbolicallyEvaluateGEP().

uint64_t llvm::StructLayout::getElementOffsetInBits

(

unsigned

Idx

)

const [inline]

Definition at line 509 of file DataLayout.h.

References getElementOffset().

Referenced by HasPadding().

uint64_t llvm::StructLayout::getSizeInBits

(

)

const [inline]

Definition at line 491 of file DataLayout.h.

Referenced by llvm::DataLayout::getTypeSizeInBits().

uint64_t llvm::StructLayout::getSizeInBytes

(

)

const [inline]

Definition at line 487 of file DataLayout.h.

Referenced by computeArraySize(), emitGlobalConstantStruct(), getNaturalGEPRecursively(), getTypePartition(), PerformHeapAllocSRoA(), SymbolicallyEvaluateGEP(), and TryToOptimizeStoreOfMallocToGlobal().

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Friends And Related Function Documentation

friend class DataLayout [friend]

Definition at line 514 of file DataLayout.h.

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

• DataLayout.h
• DataLayout.cpp