DataLayout.cpp File Reference

#include "llvm/IR/DataLayout.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemAlloc.h"
#include "llvm/Support/TypeSize.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <new>
#include <utility>

Include dependency graph for DataLayout.cpp:

Go to the source code of this file.

Functions
static Error	reportError (const Twine &Message)
static Error	split (StringRef Str, char Separator, std::pair< StringRef, StringRef > &Split)
	Checked version of split, to ensure mandatory subparts. More...
template<typename IntTy >
static Error	getInt (StringRef R, IntTy &Result)
	Get an unsigned integer, including error checks. More...
template<typename IntTy >
static Error	getIntInBytes (StringRef R, IntTy &Result)
	Get an unsigned integer representing the number of bits and convert it into bytes. More...
static Error	getAddrSpace (StringRef R, unsigned &AddrSpace)
static APInt	getElementIndex (TypeSize ElemSize, APInt &Offset)

Variables
static const LayoutAlignElem	DefaultAlignments []

Function Documentation

getAddrSpace()

static Error getAddrSpace ( StringRef  R, unsigned &  AddrSpace  )

static

Definition at line 250 of file DataLayout.cpp.

Referenced by llvm::AMDGPUTargetLowering::isSDNodeAlwaysUniform().

getElementIndex()

static APInt getElementIndex ( TypeSize  ElemSize, APInt &  Offset  )

static

Definition at line 907 of file DataLayout.cpp.

References assert(), llvm::BitWidth, llvm::APInt::getZero(), Index, llvm::LinearPolySize< LeafTy >::isScalable(), and llvm::isUIntN().

Referenced by llvm::DataLayout::getGEPIndexForOffset(), and llvm::DataLayout::getGEPIndicesForOffset().

getInt()

template<typename IntTy >

static Error getInt ( StringRef  R, IntTy &  Result  )

static

Get an unsigned integer, including error checks.

Definition at line 231 of file DataLayout.cpp.

References error, reportError(), and llvm::Error::success().

Referenced by llvm::PointerIntPair< llvm::IntrusiveBackListNode *, 1 >::getInt().

getIntInBytes()

template<typename IntTy >

static Error getIntInBytes ( StringRef  R, IntTy &  Result  )

static

Get an unsigned integer representing the number of bits and convert it into bytes.

Error out of not a byte width multiple.

Definition at line 241 of file DataLayout.cpp.

reportError()

static Error reportError ( const Twine &  Message )

static

Definition at line 214 of file DataLayout.cpp.

References llvm::createStringError(), and llvm::inconvertibleErrorCode().

Referenced by getInt(), and split().

split()

static Error split ( StringRef  Str, char  Separator, std::pair< StringRef, StringRef > &  Split  )

static

Checked version of split, to ensure mandatory subparts.

Definition at line 219 of file DataLayout.cpp.

References assert(), reportError(), and llvm::Error::success().

Referenced by llvm::getHeaders(), and llvm::StringRef::split().

Variable Documentation

DefaultAlignments

const LayoutAlignElem DefaultAlignments[]

static

Initial value:

= {
    {INTEGER_ALIGN, 1, Align(1), Align(1)},    
    {INTEGER_ALIGN, 8, Align(1), Align(1)},    
    {INTEGER_ALIGN, 16, Align(2), Align(2)},   
    {INTEGER_ALIGN, 32, Align(4), Align(4)},   
    {INTEGER_ALIGN, 64, Align(4), Align(8)},   
    {FLOAT_ALIGN, 16, Align(2), Align(2)},     
    {FLOAT_ALIGN, 32, Align(4), Align(4)},     
    {FLOAT_ALIGN, 64, Align(8), Align(8)},     
    {FLOAT_ALIGN, 128, Align(16), Align(16)},  
    {VECTOR_ALIGN, 64, Align(8), Align(8)},    
    {VECTOR_ALIGN, 128, Align(16), Align(16)}, 
    {AGGREGATE_ALIGN, 0, Align(1), Align(8)}   
}

Definition at line 165 of file DataLayout.cpp.

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