llvm::PointerType Class Reference

#include <DerivedTypes.h>

Inheritance diagram for llvm::PointerType:

Collaboration diagram for llvm::PointerType:

Public Member Functions
unsigned	getAddressSpace () const
	Return the address space of the Pointer type. More...
Public Member Functions inherited from llvm::SequentialType
Type *	getElementType () const
Public Member Functions inherited from llvm::CompositeType
Type *	getTypeAtIndex (const Value *V)
Type *	getTypeAtIndex (unsigned Idx)
bool	indexValid (const Value *V) const
bool	indexValid (unsigned Idx) const
Public Member Functions inherited from llvm::Type
void	print (raw_ostream &O) const
void	dump () const
LLVMContext &	getContext () const
	getContext - Return the LLVMContext in which this type was uniqued. More...
TypeID	getTypeID () const
bool	isVoidTy () const
	isVoidTy - Return true if this is 'void'. More...
bool	isHalfTy () const
	isHalfTy - Return true if this is 'half', a 16-bit IEEE fp type. More...
bool	isFloatTy () const
	isFloatTy - Return true if this is 'float', a 32-bit IEEE fp type. More...
bool	isDoubleTy () const
	isDoubleTy - Return true if this is 'double', a 64-bit IEEE fp type. More...
bool	isX86_FP80Ty () const
	isX86_FP80Ty - Return true if this is x86 long double. More...
bool	isFP128Ty () const
	isFP128Ty - Return true if this is 'fp128'. More...
bool	isPPC_FP128Ty () const
	isPPC_FP128Ty - Return true if this is powerpc long double. More...
bool	isFloatingPointTy () const
const fltSemantics &	getFltSemantics () const
bool	isX86_MMXTy () const
	isX86_MMXTy - Return true if this is X86 MMX. More...
bool	isFPOrFPVectorTy () const
bool	isLabelTy () const
	isLabelTy - Return true if this is 'label'. More...
bool	isMetadataTy () const
	isMetadataTy - Return true if this is 'metadata'. More...
bool	isIntegerTy () const
bool	isIntegerTy (unsigned Bitwidth) const
	isIntegerTy - Return true if this is an IntegerType of the given width. More...
bool	isIntOrIntVectorTy () const
bool	isFunctionTy () const
bool	isStructTy () const
bool	isArrayTy () const
bool	isPointerTy () const
bool	isPtrOrPtrVectorTy () const
bool	isVectorTy () const
bool	canLosslesslyBitCastTo (Type *Ty) const
	Determine if this type could be losslessly bitcast to Ty. More...
bool	isEmptyTy () const
bool	isPrimitiveType () const
bool	isDerivedType () const
bool	isFirstClassType () const
bool	isSingleValueType () const
bool	isAggregateType () const
bool	isSized () const
unsigned	getPrimitiveSizeInBits () const
unsigned	getScalarSizeInBits ()
int	getFPMantissaWidth () const
const Type *	getScalarType () const
Type *	getScalarType ()
subtype_iterator	subtype_begin () const
subtype_iterator	subtype_end () const
subtype_reverse_iterator	subtype_rbegin () const
subtype_reverse_iterator	subtype_rend () const
Type *	getContainedType (unsigned i) const
unsigned	getNumContainedTypes () const
unsigned	getIntegerBitWidth () const
Type *	getFunctionParamType (unsigned i) const
unsigned	getFunctionNumParams () const
bool	isFunctionVarArg () const
StringRef	getStructName () const
unsigned	getStructNumElements () const
Type *	getStructElementType (unsigned N) const
Type *	getSequentialElementType () const
uint64_t	getArrayNumElements () const
Type *	getArrayElementType () const
unsigned	getVectorNumElements () const
Type *	getVectorElementType () const
Type *	getPointerElementType () const
unsigned	getPointerAddressSpace () const
	Get the address space of this pointer or pointer vector type. More...
PointerType *	getPointerTo (unsigned AddrSpace=0)

Static Public Member Functions
static PointerType *	get (Type *ElementType, unsigned AddressSpace)
static PointerType *	getUnqual (Type *ElementType)
static bool	isValidElementType (Type *ElemTy)
static bool	classof (const Type *T)
	Implement support type inquiry through isa, cast, and dyn_cast. More...
Static Public Member Functions inherited from llvm::SequentialType
static bool	classof (const Type *T)
	Methods for support type inquiry through isa, cast, and dyn_cast. More...
Static Public Member Functions inherited from llvm::CompositeType
static bool	classof (const Type *T)
	Methods for support type inquiry through isa, cast, and dyn_cast. More...
Static Public Member Functions inherited from llvm::Type
static Type *	getPrimitiveType (LLVMContext &C, TypeID IDNumber)
	getPrimitiveType - Return a type based on an identifier. More...
static Type *	getVoidTy (LLVMContext &C)
static Type *	getLabelTy (LLVMContext &C)
static Type *	getHalfTy (LLVMContext &C)
static Type *	getFloatTy (LLVMContext &C)
static Type *	getDoubleTy (LLVMContext &C)
static Type *	getMetadataTy (LLVMContext &C)
static Type *	getX86_FP80Ty (LLVMContext &C)
static Type *	getFP128Ty (LLVMContext &C)
static Type *	getPPC_FP128Ty (LLVMContext &C)
static Type *	getX86_MMXTy (LLVMContext &C)
static IntegerType *	getIntNTy (LLVMContext &C, unsigned N)
static IntegerType *	getInt1Ty (LLVMContext &C)
static IntegerType *	getInt8Ty (LLVMContext &C)
static IntegerType *	getInt16Ty (LLVMContext &C)
static IntegerType *	getInt32Ty (LLVMContext &C)
static IntegerType *	getInt64Ty (LLVMContext &C)
static PointerType *	getHalfPtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getFloatPtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getDoublePtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getX86_FP80PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getFP128PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getPPC_FP128PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getX86_MMXPtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getIntNPtrTy (LLVMContext &C, unsigned N, unsigned AS=0)
static PointerType *	getInt1PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getInt8PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getInt16PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getInt32PtrTy (LLVMContext &C, unsigned AS=0)
static PointerType *	getInt64PtrTy (LLVMContext &C, unsigned AS=0)

Additional Inherited Members
Public Types inherited from llvm::Type
enum	TypeID {   VoidTyID = 0, HalfTyID, FloatTyID, DoubleTyID,   X86_FP80TyID, FP128TyID, PPC_FP128TyID, LabelTyID,   MetadataTyID, X86_MMXTyID, IntegerTyID, FunctionTyID,   StructTyID, ArrayTyID, PointerTyID, VectorTyID,   NumTypeIDs, LastPrimitiveTyID = X86_MMXTyID, FirstDerivedTyID = IntegerTyID }
typedef Type *const *	subtype_iterator
typedef std::reverse_iterator < subtype_iterator >	subtype_reverse_iterator
Protected Member Functions inherited from llvm::SequentialType
	SequentialType (TypeID TID, Type *ElType)
Protected Member Functions inherited from llvm::CompositeType
	CompositeType (LLVMContext &C, TypeID tid)
Protected Member Functions inherited from llvm::Type
	Type (LLVMContext &C, TypeID tid)
	~Type ()
void	setTypeID (TypeID ID)
unsigned	getSubclassData () const
void	setSubclassData (unsigned val)
Protected Attributes inherited from llvm::Type
unsigned	NumContainedTys
Type *const *	ContainedTys

Detailed Description

PointerType - Class to represent pointers.

Definition at line 425 of file DerivedTypes.h.

Member Function Documentation

static bool llvm::PointerType::classof ( const Type *  T )

inlinestatic

Implement support type inquiry through isa, cast, and dyn_cast.

Definition at line 448 of file DerivedTypes.h.

References llvm::Type::getTypeID(), and llvm::Type::PointerTyID.

PointerType * PointerType::get ( Type *  ElementType, unsigned  AddressSpace  )

static

PointerType::get - This constructs a pointer to an object of the specified type in a numbered address space.

Definition at line 730 of file Type.cpp.

References llvm::LLVMContextImpl::ASPointerTypes, llvm::Type::getContext(), isValidElementType(), llvm::LLVMContext::pImpl, llvm::LLVMContextImpl::PointerTypes, and llvm::LLVMContextImpl::TypeAllocator.

Referenced by AnalyzeLoadFromClobberingMemInst(), ConstantFoldGetElementPtrImpl(), convertMemSetToLoop(), CreatePrologue(), DecodeFixedType(), getAccessType(), getFoldedAlignOf(), getFoldedSizeOf(), llvm::GetElementPtrInst::getGEPReturnType(), GetLoadValueForLoad(), GetMemInstValueForLoad(), llvm::Module::getOrInsertGlobal(), llvm::Type::getPointerTo(), getUnqual(), InstCombineStoreToCast(), LLVMPointerType(), llvm::R600TargetLowering::LowerFormalArguments(), llvm::NVPTXTargetLowering::LowerFormalArguments(), and SimplifyGEPInst().

unsigned llvm::PointerType::getAddressSpace ( ) const

inline

Return the address space of the Pointer type.

Definition at line 445 of file DerivedTypes.h.

References llvm::Type::getSubclassData().

Referenced by canDemoteGlobalVar(), ConstantFoldGetElementPtrImpl(), FoldReinterpretLoadFromConstPtr(), llvm::GlobalAddressSDNode::getAddressSpace(), llvm::SelectionDAG::getGlobalAddress(), INITIALIZE_PASS(), InstCombineLoadCast(), InstCombineStoreToCast(), llvm::TypePrinting::print(), llvm::AssemblyWriter::printGlobal(), SimplifyGEPInst(), SRAGlobal(), TryToShrinkGlobalToBoolean(), llvm::InstCombiner::visitBitCast(), llvm::InstCombiner::visitGetElementPtrInst(), and WriteTypeTable().

static PointerType* llvm::PointerType::getUnqual ( Type *  ElementType )

inlinestatic

PointerType::getUnqual - This constructs a pointer to an object of the specified type in the generic address space (address space zero).

Definition at line 436 of file DerivedTypes.h.

References get().

Referenced by appendToGlobalArray(), createMalloc(), GenerateARCBBEntranceAnnotation(), GenerateARCBBTerminatorAnnotation(), llvm::InlineAsm::get(), llvm::TypeBuilder< T *, cross >::get(), GetHeapSROAValue(), getMemCmpLoad(), llvm::ConstantExpr::getOffsetOf(), llvm::ScalarEvolution::getOffsetOfExpr(), llvm::Module::getOrInsertFunction(), llvm::ConstantExpr::getSizeOf(), llvm::ScalarEvolution::getSizeOfExpr(), InstallGlobalCtors(), llvm::SelectionDAGBuilder::LowerCallTo(), llvm::SparcTargetLowering::LowerF128_LibCallArg(), llvm::SparcTargetLowering::LowerF128Op(), PerformHeapAllocSRoA(), llvm::UpgradeIntrinsicCall(), and llvm::InstCombiner::visitCallInst().

bool PointerType::isValidElementType ( Type *  ElemTy )

static

isValidElementType - Return true if the specified type is valid as a element type.

Definition at line 760 of file Type.cpp.

References llvm::Type::isLabelTy(), llvm::Type::isMetadataTy(), and llvm::Type::isVoidTy().

Referenced by get().

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

• DerivedTypes.h
• Type.cpp