Data Layout

Collaboration diagram for Data Layout:

Typedefs
typedef struct LLVMOpaqueTargetData *	LLVMTargetDataRef

Enumerations
enum	LLVMByteOrdering { LLVMBigEndian , LLVMLittleEndian }

Functions
LLVM_C_ABI LLVMTargetDataRef	LLVMGetModuleDataLayout (LLVMModuleRef M)
	Obtain the data layout for a module.
LLVM_C_ABI void	LLVMSetModuleDataLayout (LLVMModuleRef M, LLVMTargetDataRef DL)
	Set the data layout for a module.
LLVM_C_ABI LLVMTargetDataRef	LLVMCreateTargetData (const char *StringRep)
	Creates target data from a target layout string.
LLVM_C_ABI void	LLVMDisposeTargetData (LLVMTargetDataRef TD)
	Deallocates a TargetData.
LLVM_C_ABI char *	LLVMCopyStringRepOfTargetData (LLVMTargetDataRef TD)
	Converts target data to a target layout string.
LLVM_C_ABI enum LLVMByteOrdering	LLVMByteOrder (LLVMTargetDataRef TD)
	Returns the byte order of a target, either LLVMBigEndian or LLVMLittleEndian.
LLVM_C_ABI unsigned	LLVMPointerSize (LLVMTargetDataRef TD)
	Returns the pointer size in bytes for a target.
LLVM_C_ABI unsigned	LLVMPointerSizeForAS (LLVMTargetDataRef TD, unsigned AS)
	Returns the pointer size in bytes for a target for a specified address space.
LLVM_C_ABI	LLVM_ATTRIBUTE_C_DEPRECATED (LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD), "Use of the global context is deprecated, use " "LLVMIntPtrTypeInContext instead")
	Returns the integer type that is the same size as a pointer on a target.
LLVM_C_ABI	LLVM_ATTRIBUTE_C_DEPRECATED (LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS), "Use of the global context is deprecated, use LLVMIntPtrTypeForASInContext " "instead")
	Returns the integer type that is the same size as a pointer on a target.
LLVM_C_ABI LLVMTypeRef	LLVMIntPtrTypeInContext (LLVMContextRef C, LLVMTargetDataRef TD)
	Returns the integer type that is the same size as a pointer on a target.
LLVM_C_ABI LLVMTypeRef	LLVMIntPtrTypeForASInContext (LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS)
	Returns the integer type that is the same size as a pointer on a target.
LLVM_C_ABI unsigned long long	LLVMSizeOfTypeInBits (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the size of a type in bits for a target.
LLVM_C_ABI unsigned long long	LLVMStoreSizeOfType (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the storage size of a type in bytes for a target.
LLVM_C_ABI unsigned long long	LLVMABISizeOfType (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the ABI size of a type in bytes for a target.
LLVM_C_ABI unsigned	LLVMABIAlignmentOfType (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the ABI alignment of a type in bytes for a target.
LLVM_C_ABI unsigned	LLVMCallFrameAlignmentOfType (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the call frame alignment of a type in bytes for a target.
LLVM_C_ABI unsigned	LLVMPreferredAlignmentOfType (LLVMTargetDataRef TD, LLVMTypeRef Ty)
	Computes the preferred alignment of a type in bytes for a target.
LLVM_C_ABI unsigned	LLVMPreferredAlignmentOfGlobal (LLVMTargetDataRef TD, LLVMValueRef GlobalVar)
	Computes the preferred alignment of a global variable in bytes for a target.
LLVM_C_ABI unsigned	LLVMElementAtOffset (LLVMTargetDataRef TD, LLVMTypeRef StructTy, unsigned long long Offset)
	Computes the structure element that contains the byte offset for a target.
LLVM_C_ABI unsigned long long	LLVMOffsetOfElement (LLVMTargetDataRef TD, LLVMTypeRef StructTy, unsigned Element)
	Computes the byte offset of the indexed struct element for a target.

Detailed Description

Typedef Documentation

LLVMTargetDataRef

typedef struct LLVMOpaqueTargetData* LLVMTargetDataRef

Definition at line 5379 of file Core.h.

Enumeration Type Documentation

LLVMByteOrdering

enum LLVMByteOrdering

Enumerator
LLVMBigEndian
LLVMLittleEndian

Definition at line 5377 of file Core.h.

Function Documentation

LLVM_ATTRIBUTE_C_DEPRECATED() [1/2]

LLVM_C_ABI LLVM_ATTRIBUTE_C_DEPRECATED	(	LLVMTypeRef	LLVMIntPtrTypeLLVMTargetDataRef TD,
		"Use of the global context is	deprecated,
		use " "LLVMIntPtrTypeInContext instead"	)

Returns the integer type that is the same size as a pointer on a target.

See the method llvm::DataLayout::getIntPtrType.

LLVM_ATTRIBUTE_C_DEPRECATED() [2/2]

LLVM_C_ABI LLVM_ATTRIBUTE_C_DEPRECATED	(	LLVMTypeRef	LLVMIntPtrTypeForASLLVMTargetDataRef TD, unsigned AS,
		"Use of the global context is	deprecated,
		use LLVMIntPtrTypeForASInContext " "instead"	)

Returns the integer type that is the same size as a pointer on a target.

This version allows the address space to be specified. See the method llvm::DataLayout::getIntPtrType.

References C(), LLVM_C_ABI, and LLVM_C_EXTERN_C_END.

LLVMABIAlignmentOfType()

LLVM_C_ABI unsigned LLVMABIAlignmentOfType	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the ABI alignment of a type in bytes for a target.

See the method llvm::DataLayout::getTypeABISize.

Definition at line 4863 of file Core.cpp.

References llvm::unwrap().

LLVMABISizeOfType()

LLVM_C_ABI unsigned long long LLVMABISizeOfType	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the ABI size of a type in bytes for a target.

See the method llvm::DataLayout::getTypeAllocSize.

Definition at line 4859 of file Core.cpp.

References llvm::unwrap().

LLVMByteOrder()

LLVM_C_ABI enum LLVMByteOrdering LLVMByteOrder

(

LLVMTargetDataRef

TD

)

Returns the byte order of a target, either LLVMBigEndian or LLVMLittleEndian.

See the method llvm::DataLayout::isLittleEndian.

Definition at line 4821 of file Core.cpp.

References LLVMBigEndian, LLVMLittleEndian, and llvm::unwrap().

LLVMCallFrameAlignmentOfType()

LLVM_C_ABI unsigned LLVMCallFrameAlignmentOfType	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the call frame alignment of a type in bytes for a target.

See the method llvm::DataLayout::getTypeABISize.

Definition at line 4867 of file Core.cpp.

References llvm::unwrap().

LLVMCopyStringRepOfTargetData()

LLVM_C_ABI char * LLVMCopyStringRepOfTargetData

(

LLVMTargetDataRef

TD

)

Converts target data to a target layout string.

The string must be disposed with LLVMDisposeMessage. See the constructor llvm::DataLayout::DataLayout.

Definition at line 4816 of file Core.cpp.

References llvm::unwrap().

LLVMCreateTargetData()

LLVM_C_ABI LLVMTargetDataRef LLVMCreateTargetData

(

const char *

StringRep

)

Creates target data from a target layout string.

See the constructor llvm::DataLayout::DataLayout.

Definition at line 4810 of file Core.cpp.

References llvm::wrap().

LLVMDisposeTargetData()

LLVM_C_ABI void LLVMDisposeTargetData

(

LLVMTargetDataRef

TD

)

Deallocates a TargetData.

See the destructor llvm::DataLayout::~DataLayout.

Definition at line 4814 of file Core.cpp.

References llvm::unwrap().

LLVMElementAtOffset()

LLVM_C_ABI unsigned LLVMElementAtOffset	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	StructTy,
		unsigned long long	Offset )

Computes the structure element that contains the byte offset for a target.

See the method llvm::StructLayout::getElementContainingOffset.

Definition at line 4882 of file Core.cpp.

References llvm::Offset, and llvm::unwrap().

LLVMGetModuleDataLayout()

LLVM_C_ABI LLVMTargetDataRef LLVMGetModuleDataLayout

(

LLVMModuleRef

M

)

Obtain the data layout for a module.

See also

Module::getDataLayout()

Definition at line 4802 of file Core.cpp.

References llvm::unwrap(), and llvm::wrap().

LLVMIntPtrTypeForASInContext()

LLVM_C_ABI LLVMTypeRef LLVMIntPtrTypeForASInContext	(	LLVMContextRef	C,
		LLVMTargetDataRef	TD,
		unsigned	AS )

Returns the integer type that is the same size as a pointer on a target.

This version allows the address space to be specified. See the method llvm::DataLayout::getIntPtrType.

Definition at line 4846 of file Core.cpp.

References C(), llvm::unwrap(), and llvm::wrap().

LLVMIntPtrTypeInContext()

LLVM_C_ABI LLVMTypeRef LLVMIntPtrTypeInContext	(	LLVMContextRef	C,
		LLVMTargetDataRef	TD )

Returns the integer type that is the same size as a pointer on a target.

See the method llvm::DataLayout::getIntPtrType.

Definition at line 4842 of file Core.cpp.

References C(), llvm::unwrap(), and llvm::wrap().

LLVMOffsetOfElement()

LLVM_C_ABI unsigned long long LLVMOffsetOfElement	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	StructTy,
		unsigned	Element )

Computes the byte offset of the indexed struct element for a target.

See the method llvm::StructLayout::getElementContainingOffset.

Definition at line 4888 of file Core.cpp.

References llvm::unwrap().

LLVMPointerSize()

LLVM_C_ABI unsigned LLVMPointerSize

(

LLVMTargetDataRef

TD

)

Returns the pointer size in bytes for a target.

See the method llvm::DataLayout::getPointerSize.

Definition at line 4825 of file Core.cpp.

References llvm::unwrap().

LLVMPointerSizeForAS()

LLVM_C_ABI unsigned LLVMPointerSizeForAS	(	LLVMTargetDataRef	TD,
		unsigned	AS )

Returns the pointer size in bytes for a target for a specified address space.

See the method llvm::DataLayout::getPointerSize.

Definition at line 4829 of file Core.cpp.

References llvm::unwrap().

LLVMPreferredAlignmentOfGlobal()

LLVM_C_ABI unsigned LLVMPreferredAlignmentOfGlobal	(	LLVMTargetDataRef	TD,
		LLVMValueRef	GlobalVar )

Computes the preferred alignment of a global variable in bytes for a target.

See the method llvm::DataLayout::getPreferredAlignment.

Definition at line 4875 of file Core.cpp.

References llvm::unwrap().

LLVMPreferredAlignmentOfType()

LLVM_C_ABI unsigned LLVMPreferredAlignmentOfType	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the preferred alignment of a type in bytes for a target.

See the method llvm::DataLayout::getTypeABISize.

Definition at line 4871 of file Core.cpp.

References llvm::unwrap().

LLVMSetModuleDataLayout()

LLVM_C_ABI void LLVMSetModuleDataLayout	(	LLVMModuleRef	M,
		LLVMTargetDataRef	DL )

Set the data layout for a module.

See also

Module::setDataLayout()

Definition at line 4806 of file Core.cpp.

References DL, and llvm::unwrap().

LLVMSizeOfTypeInBits()

LLVM_C_ABI unsigned long long LLVMSizeOfTypeInBits	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the size of a type in bits for a target.

See the method llvm::DataLayout::getTypeSizeInBits.

Definition at line 4851 of file Core.cpp.

References llvm::unwrap().

LLVMStoreSizeOfType()

LLVM_C_ABI unsigned long long LLVMStoreSizeOfType	(	LLVMTargetDataRef	TD,
		LLVMTypeRef	Ty )

Computes the storage size of a type in bytes for a target.

See the method llvm::DataLayout::getTypeStoreSize.

Definition at line 4855 of file Core.cpp.

References llvm::unwrap().