diff options
Diffstat (limited to 'include/llvm/Type.h')
| -rw-r--r-- | include/llvm/Type.h | 86 |
1 files changed, 74 insertions, 12 deletions
diff --git a/include/llvm/Type.h b/include/llvm/Type.h index d439233..4a470af 100644 --- a/include/llvm/Type.h +++ b/include/llvm/Type.h @@ -12,11 +12,11 @@ #define LLVM_TYPE_H #include "llvm/AbstractTypeUser.h" +#include "llvm/LLVMContext.h" #include "llvm/Support/Casting.h" #include "llvm/Support/DataTypes.h" #include "llvm/System/Atomic.h" #include "llvm/ADT/GraphTraits.h" -#include "llvm/ADT/iterator.h" #include <string> #include <vector> @@ -66,6 +66,7 @@ public: /// value, you can cast to a "DerivedType" subclass (see DerivedTypes.h) /// Note: If you add an element to this, you need to add an element to the /// Type::getPrimitiveType function, or else things will break! + /// Also update LLVMTypeKind and LLVMGetTypeKind () in the C binding. /// enum TypeID { // PrimitiveTypes .. make sure LastPrimitiveTyID stays up to date @@ -105,6 +106,10 @@ private: /// mutable sys::cas_flag RefCount; + /// Context - This refers to the LLVMContext in which this type was uniqued. + LLVMContext &Context; + friend class LLVMContextImpl; + const Type *getForwardedTypeInternal() const; // Some Type instances are allocated as arrays, some aren't. So we provide @@ -112,8 +117,10 @@ private: void destroy() const; // const is a lie, this does "delete this"! protected: - explicit Type(TypeID id) : ID(id), Abstract(false), SubclassData(0), - RefCount(0), ForwardType(0), NumContainedTys(0), + explicit Type(LLVMContext &C, TypeID id) : + ID(id), Abstract(false), SubclassData(0), + RefCount(0), Context(C), + ForwardType(0), NumContainedTys(0), ContainedTys(0) {} virtual ~Type() { assert(AbstractTypeUsers.empty() && "Abstract types remain"); @@ -160,7 +167,6 @@ protected: public: void print(raw_ostream &O) const; - void print(std::ostream &O) const; /// @brief Debugging support: print to stderr void dump() const; @@ -169,6 +175,9 @@ public: /// module). void dump(const Module *Context) const; + /// getContext - Fetch the LLVMContext in which this type was uniqued. + LLVMContext &getContext() const { return Context; } + //===--------------------------------------------------------------------===// // Property accessors for dealing with types... Some of these virtual methods // are defined in private classes defined in Type.cpp for primitive types. @@ -179,6 +188,30 @@ public: /// inline TypeID getTypeID() const { return ID; } + /// isVoidTy - Return true if this is 'void'. + bool isVoidTy() const { return ID == VoidTyID; } + + /// isFloatTy - Return true if this is 'float', a 32-bit IEEE fp type. + bool isFloatTy() const { return ID == FloatTyID; } + + /// isDoubleTy - Return true if this is 'double', a 64-bit IEEE fp type. + bool isDoubleTy() const { return ID == DoubleTyID; } + + /// isX86_FP80Ty - Return true if this is x86 long double. + bool isX86_FP80Ty() const { return ID == X86_FP80TyID; } + + /// isFP128Ty - Return true if this is 'fp128'. + bool isFP128Ty() const { return ID == FP128TyID; } + + /// isPPC_FP128Ty - Return true if this is powerpc long double. + bool isPPC_FP128Ty() const { return ID == PPC_FP128TyID; } + + /// isLabelTy - Return true if this is 'label'. + bool isLabelTy() const { return ID == LabelTyID; } + + /// isMetadataTy - Return true if this is 'metadata'. + bool isMetadataTy() const { return ID == MetadataTyID; } + /// getDescription - Return the string representation of the type. std::string getDescription() const; @@ -191,7 +224,7 @@ public: /// bool isIntOrIntVector() const; - /// isFloatingPoint - Return true if this is one of the two floating point + /// isFloatingPoint - Return true if this is one of the five floating point /// types bool isFloatingPoint() const { return ID == FloatTyID || ID == DoubleTyID || ID == X86_FP80TyID || ID == FP128TyID || ID == PPC_FP128TyID; } @@ -268,6 +301,11 @@ public: /// This will return zero if the type does not have a size or is not a /// primitive type. /// + /// Note that this may not reflect the size of memory allocated for an + /// instance of the type or the number of bytes that are written when an + /// instance of the type is stored to memory. The TargetData class provides + /// additional query functions to provide this information. + /// unsigned getPrimitiveSizeInBits() const; /// getScalarSizeInBits - If this is a vector type, return the @@ -292,7 +330,7 @@ public: /// getVAArgsPromotedType - Return the type an argument of this type /// will be promoted to if passed through a variable argument /// function. - const Type *getVAArgsPromotedType() const; + const Type *getVAArgsPromotedType(LLVMContext &C) const; /// getScalarType - If this is a vector type, return the element type, /// otherwise return this. @@ -324,14 +362,39 @@ public: // /// getPrimitiveType - Return a type based on an identifier. - static const Type *getPrimitiveType(TypeID IDNumber); + static const Type *getPrimitiveType(LLVMContext &C, TypeID IDNumber); //===--------------------------------------------------------------------===// // These are the builtin types that are always available... // - static const Type *VoidTy, *LabelTy, *FloatTy, *DoubleTy, *MetadataTy; - static const Type *X86_FP80Ty, *FP128Ty, *PPC_FP128Ty; - static const IntegerType *Int1Ty, *Int8Ty, *Int16Ty, *Int32Ty, *Int64Ty; + static const Type *getVoidTy(LLVMContext &C); + static const Type *getLabelTy(LLVMContext &C); + static const Type *getFloatTy(LLVMContext &C); + static const Type *getDoubleTy(LLVMContext &C); + static const Type *getMetadataTy(LLVMContext &C); + static const Type *getX86_FP80Ty(LLVMContext &C); + static const Type *getFP128Ty(LLVMContext &C); + static const Type *getPPC_FP128Ty(LLVMContext &C); + static const IntegerType *getInt1Ty(LLVMContext &C); + static const IntegerType *getInt8Ty(LLVMContext &C); + static const IntegerType *getInt16Ty(LLVMContext &C); + static const IntegerType *getInt32Ty(LLVMContext &C); + static const IntegerType *getInt64Ty(LLVMContext &C); + + //===--------------------------------------------------------------------===// + // Convenience methods for getting pointer types with one of the above builtin + // types as pointee. + // + static const PointerType *getFloatPtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getDoublePtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getX86_FP80PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getFP128PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getPPC_FP128PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getInt1PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getInt8PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getInt16PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getInt32PtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getInt64PtrTy(LLVMContext &C, unsigned AS = 0); /// Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Type *) { return true; } @@ -367,7 +430,7 @@ public: /// getPointerTo - Return a pointer to the current type. This is equivalent /// to PointerType::get(Foo, AddrSpace). - PointerType *getPointerTo(unsigned AddrSpace = 0) const; + const PointerType *getPointerTo(unsigned AddrSpace = 0) const; private: /// isSizedDerivedType - Derived types like structures and arrays are sized @@ -459,7 +522,6 @@ template <> inline bool isa_impl<PointerType, Type>(const Type &Ty) { return Ty.getTypeID() == Type::PointerTyID; } -std::ostream &operator<<(std::ostream &OS, const Type &T); raw_ostream &operator<<(raw_ostream &OS, const Type &T); } // End llvm namespace |
