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LLVM
4.0.0
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Class to represent pointers. More...
#include <DerivedTypes.h>
Public Member Functions | |
| PointerType (const PointerType &)=delete | |
| PointerType & | operator= (const PointerType &)=delete |
| Type * | getElementType () const |
| unsigned | getAddressSpace () const |
| Return the address space of the Pointer type. More... | |
Public Member Functions inherited from llvm::Type | |
| void | print (raw_ostream &O, bool IsForDebug=false, bool NoDetails=false) const |
| Print the current type. More... | |
| void | dump () const |
| LLVMContext & | getContext () const |
| Return the LLVMContext in which this type was uniqued. More... | |
| TypeID | getTypeID () const |
| Return the type id for the type. More... | |
| bool | isVoidTy () const |
| Return true if this is 'void'. More... | |
| bool | isHalfTy () const |
| Return true if this is 'half', a 16-bit IEEE fp type. More... | |
| bool | isFloatTy () const |
| Return true if this is 'float', a 32-bit IEEE fp type. More... | |
| bool | isDoubleTy () const |
| Return true if this is 'double', a 64-bit IEEE fp type. More... | |
| bool | isX86_FP80Ty () const |
| Return true if this is x86 long double. More... | |
| bool | isFP128Ty () const |
| Return true if this is 'fp128'. More... | |
| bool | isPPC_FP128Ty () const |
| Return true if this is powerpc long double. More... | |
| bool | isFloatingPointTy () const |
| Return true if this is one of the six floating-point types. More... | |
| const fltSemantics & | getFltSemantics () const |
| bool | isX86_MMXTy () const |
| Return true if this is X86 MMX. More... | |
| bool | isFPOrFPVectorTy () const |
| Return true if this is a FP type or a vector of FP. More... | |
| bool | isLabelTy () const |
| Return true if this is 'label'. More... | |
| bool | isMetadataTy () const |
| Return true if this is 'metadata'. More... | |
| bool | isTokenTy () const |
| Return true if this is 'token'. More... | |
| bool | isIntegerTy () const |
| True if this is an instance of IntegerType. More... | |
| bool | isIntegerTy (unsigned Bitwidth) const |
| Return true if this is an IntegerType of the given width. More... | |
| bool | isIntOrIntVectorTy () const |
| Return true if this is an integer type or a vector of integer types. More... | |
| bool | isFunctionTy () const |
| True if this is an instance of FunctionType. More... | |
| bool | isStructTy () const |
| True if this is an instance of StructType. More... | |
| bool | isArrayTy () const |
| True if this is an instance of ArrayType. More... | |
| bool | isPointerTy () const |
| True if this is an instance of PointerType. More... | |
| bool | isPtrOrPtrVectorTy () const |
| Return true if this is a pointer type or a vector of pointer types. More... | |
| bool | isVectorTy () const |
| True if this is an instance of VectorType. More... | |
| bool | canLosslesslyBitCastTo (Type *Ty) const |
| Return true if this type could be converted with a lossless BitCast to type 'Ty'. More... | |
| bool | isEmptyTy () const |
| Return true if this type is empty, that is, it has no elements or all of its elements are empty. More... | |
| bool | isFirstClassType () const |
| Return true if the type is "first class", meaning it is a valid type for a Value. More... | |
| bool | isSingleValueType () const |
| Return true if the type is a valid type for a register in codegen. More... | |
| bool | isAggregateType () const |
| Return true if the type is an aggregate type. More... | |
| bool | isSized (SmallPtrSetImpl< Type * > *Visited=nullptr) const |
| Return true if it makes sense to take the size of this type. More... | |
| unsigned | getPrimitiveSizeInBits () const LLVM_READONLY |
| Return the basic size of this type if it is a primitive type. More... | |
| unsigned | getScalarSizeInBits () const LLVM_READONLY |
| If this is a vector type, return the getPrimitiveSizeInBits value for the element type. More... | |
| int | getFPMantissaWidth () const |
| Return the width of the mantissa of this type. More... | |
| Type * | getScalarType () const LLVM_READONLY |
| If this is a vector type, return the element type, otherwise return 'this'. More... | |
| subtype_iterator | subtype_begin () const |
| subtype_iterator | subtype_end () const |
| ArrayRef< Type * > | subtypes () const |
| subtype_reverse_iterator | subtype_rbegin () const |
| subtype_reverse_iterator | subtype_rend () const |
| Type * | getContainedType (unsigned i) const |
| This method is used to implement the type iterator (defined at the end of the file). More... | |
| unsigned | getNumContainedTypes () const |
| Return the number of types in the derived type. More... | |
| 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) const |
| Return a pointer to the current type. More... | |
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, TokenTyID, IntegerTyID, FunctionTyID, StructTyID, ArrayTyID, PointerTyID, VectorTyID } |
| Definitions of all of the base types for the Type system. More... | |
| typedef Type *const * | subtype_iterator |
| typedef std::reverse_iterator < subtype_iterator > | subtype_reverse_iterator |
Protected Member Functions inherited from llvm::Type | |
| Type (LLVMContext &C, TypeID tid) | |
| ~Type ()=default | |
| unsigned | getSubclassData () const |
| void | setSubclassData (unsigned val) |
Static Protected Member Functions inherited from llvm::Type | |
| static bool | isSequentialType (TypeID TyID) |
Protected Attributes inherited from llvm::Type | |
| unsigned | NumContainedTys |
| Keeps track of how many Type*'s there are in the ContainedTys list. More... | |
| Type *const * | ContainedTys |
| A pointer to the array of Types contained by this Type. More... | |
Class to represent pointers.
Definition at line 443 of file DerivedTypes.h.
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delete |
Implement support type inquiry through isa, cast, and dyn_cast.
Definition at line 474 of file DerivedTypes.h.
References llvm::Type::getTypeID(), and llvm::Type::PointerTyID.
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This constructs a pointer to an object of the specified type in a numbered address space.
Definition at line 655 of file Type.cpp.
References llvm::LLVMContextImpl::ASPointerTypes, assert(), llvm::Type::getContext(), isValidElementType(), llvm::LLVMContext::pImpl, llvm::LLVMContextImpl::PointerTypes, and llvm::LLVMContextImpl::TypeAllocator.
Referenced by AnalyzeLoadFromClobberingMemInst(), llvm::ConstantFoldGetElementPtr(), llvm::orc::createIRTypedAddress(), DecodeFixedType(), llvm::SIFrameLowering::emitPrologue(), getAccessType(), llvm::ConstantExpr::getAddrSpaceCast(), llvm::SelectionDAG::getEVTAlignment(), getFoldedAlignOf(), getFoldedSizeOf(), llvm::GetElementPtrInst::getGEPReturnType(), GetHeapSROAValue(), GetLoadValueForLoad(), GetMemInstValueForLoad(), llvm::Module::getOrInsertGlobal(), llvm::Type::getPointerTo(), getUnqual(), INITIALIZE_PASS(), LLVMPointerType(), llvm::R600TargetLowering::LowerFormalArguments(), llvm::NVPTXTargetLowering::LowerFormalArguments(), PerformHeapAllocSRoA(), SimplifyGEPInst(), simplifyX86MaskedLoad(), simplifyX86MaskedStore(), and llvm::InstCombiner::visitAddrSpaceCast().
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Return the address space of the Pointer type.
Definition at line 471 of file DerivedTypes.h.
References llvm::Type::getSubclassData().
Referenced by llvm::MachineIRBuilder::buildGlobalValue(), canDemoteGlobalVar(), llvm::CastInst::castIsValid(), llvm::orc::cloneGlobalVariableDecl(), llvm::FunctionComparator::cmpConstants(), llvm::FunctionComparator::cmpTypes(), llvm::ConstantFoldGetElementPtr(), llvm::GlobalAlias::create(), llvm::IRBuilder< TargetFolder >::CreateAlignmentAssumption(), createGlobalFwdRef(), llvm::GlobalAddressSDNode::getAddressSpace(), llvm::ConstantExpr::getAddrSpaceCast(), llvm::X86TTIImpl::getGatherScatterOpCost(), getNaturalGEPWithOffset(), INITIALIZE_PASS(), llvm::isAllocaPromotable(), llvm::AMDGPU::isGlobalSegment(), llvm::AMDGPU::isGroupSegment(), llvm::DataLayout::isNonIntegralPointerType(), llvm::AMDGPU::isReadOnlySegment(), isTypeCongruent(), llvm::Intrinsic::matchIntrinsicType(), mergeConstants(), processInternalGlobal(), SRAGlobal(), TryToShrinkGlobalToBoolean(), llvm::InstCombiner::visitAddrSpaceCast(), and llvm::InstCombiner::visitGetElementPtrInst().
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inline |
Definition at line 462 of file DerivedTypes.h.
Referenced by buildFrameType(), llvm::ConstantFoldGetElementPtr(), llvm::GlobalAlias::create(), llvm::IRBuilder< TargetFolder >::CreateCall(), CreateGCStatepointCallCommon(), CreateGCStatepointInvokeCommon(), createGlobalFwdRef(), llvm::IRBuilderBase::CreateMaskedLoad(), llvm::IRBuilderBase::CreateMaskedStore(), llvm::AsmPrinter::EmitGlobalVariable(), llvm::ConstantExpr::getAddrSpaceCast(), llvm::objcarc::GetFunctionClass(), getIncrmentFactorSCEV(), llvm::getMallocAllocatedType(), getNaturalGEPWithOffset(), llvm::SparcTargetLowering::getSRetArgSize(), llvm::AArch64TargetLowering::getTgtMemIntrinsic(), llvm::ARMTargetLowering::getTgtMemIntrinsic(), HandleByValArgument(), INITIALIZE_PASS(), isArray(), llvm::isSafeToLoadUnconditionally(), llvm::FastISel::lowerCallTo(), llvm::TargetLowering::LowerCallTo(), llvm::Intrinsic::matchIntrinsicType(), llvm::TargetLowering::ParseConstraints(), llvm::InstCombiner::visitAddrSpaceCast(), llvm::Interpreter::visitAllocaInst(), llvm::ObjectSizeOffsetVisitor::visitArgument(), llvm::InstCombiner::visitBitCast(), llvm::InstCombiner::visitGetElementPtrInst(), and llvm::ObjectSizeOffsetVisitor::visitGlobalVariable().
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inlinestatic |
This constructs a pointer to an object of the specified type in the generic address space (address space zero).
Definition at line 458 of file DerivedTypes.h.
References get().
Referenced by appendToGlobalArray(), llvm::InlineAsmKeyType::create(), createMalloc(), DecodeFixedType(), llvm::InlineAsm::get(), llvm::TypeBuilder< T *, cross >::get(), llvm::ScalarEvolution::getElementSize(), getMemCmpLoad(), llvm::ConstantExpr::getOffsetOf(), llvm::Module::getOrInsertFunction(), llvm::ConstantExpr::getSizeOf(), llvm::TargetLowering::LowerCallTo(), llvm::SparcTargetLowering::LowerF128_LibCallArg(), llvm::SparcTargetLowering::LowerF128Op(), llvm::UpgradeIntrinsicCall(), UpgradeMaskedLoad(), UpgradeMaskedStore(), and llvm::InstCombiner::visitCallInst().
Return true if we can load or store from a pointer to this type.
Definition at line 687 of file Type.cpp.
References llvm::Type::isFunctionTy(), and isValidElementType().
Return true if the specified type is valid as a element type.
Definition at line 682 of file Type.cpp.
References llvm::Type::isLabelTy(), llvm::Type::isMetadataTy(), llvm::Type::isTokenTy(), and llvm::Type::isVoidTy().
Referenced by get(), and isLoadableOrStorableType().
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delete |
1.8.6