llvm::StructLayout Class Reference

#include <DataLayout.h>

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

Detailed Description

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

Definition at line 418 of file DataLayout.h.

Member Function Documentation

unsigned llvm::StructLayout::getAlignment ( ) const

inline

Definition at line 433 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 78 of file DataLayout.cpp.

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

uint64_t llvm::StructLayout::getElementOffset ( unsigned  Idx ) const

inline

Definition at line 442 of file DataLayout.h.

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

uint64_t llvm::StructLayout::getElementOffsetInBits ( unsigned  Idx ) const

inline

Definition at line 447 of file DataLayout.h.

References getElementOffset().

Referenced by HasPadding().

uint64_t llvm::StructLayout::getSizeInBits ( ) const

inline

Definition at line 429 of file DataLayout.h.

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

uint64_t llvm::StructLayout::getSizeInBytes ( ) const

inline

Definition at line 425 of file DataLayout.h.

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

Friends And Related Function Documentation

friend class DataLayout

friend

Definition at line 452 of file DataLayout.h.

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

• DataLayout.h
• DataLayout.cpp