X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FType.h;h=0939d67265b096222fb004d10f9ada199ba79ee8;hb=9e07a149b079a28916cdd9d70849cd42344b54d0;hp=5e09a6122208000074a67ab81ab7ab4b0e2e0baa;hpb=fea4ec6dff9634ff134911369f3853bf6bc85dc5;p=oota-llvm.git diff --git a/include/llvm/Type.h b/include/llvm/Type.h index 5e09a612220..0939d67265b 100644 --- a/include/llvm/Type.h +++ b/include/llvm/Type.h @@ -7,17 +7,12 @@ // //===----------------------------------------------------------------------===// - #ifndef LLVM_TYPE_H #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 #include @@ -29,6 +24,7 @@ class IntegerType; class TypeMapBase; class raw_ostream; class Module; +class LLVMContext; /// This file contains the declaration of the Type class. For more "Type" type /// stuff, look in DerivedTypes.h. @@ -79,19 +75,20 @@ public: PPC_FP128TyID, ///< 5: 128 bit floating point type (two 64-bits) LabelTyID, ///< 6: Labels MetadataTyID, ///< 7: Metadata + X86_MMXTyID, ///< 8: MMX vectors (64 bits) // Derived types... see DerivedTypes.h file... // Make sure FirstDerivedTyID stays up to date!!! - IntegerTyID, ///< 8: Arbitrary bit width integers - FunctionTyID, ///< 9: Functions - StructTyID, ///< 10: Structures - ArrayTyID, ///< 11: Arrays - PointerTyID, ///< 12: Pointers - OpaqueTyID, ///< 13: Opaque: type with unknown structure - VectorTyID, ///< 14: SIMD 'packed' format, or other vector type + IntegerTyID, ///< 9: Arbitrary bit width integers + FunctionTyID, ///< 10: Functions + StructTyID, ///< 11: Structures + ArrayTyID, ///< 12: Arrays + PointerTyID, ///< 13: Pointers + OpaqueTyID, ///< 14: Opaque: type with unknown structure + VectorTyID, ///< 15: SIMD 'packed' format, or other vector type NumTypeIDs, // Must remain as last defined ID - LastPrimitiveTyID = LabelTyID, + LastPrimitiveTyID = X86_MMXTyID, FirstDerivedTyID = IntegerTyID }; @@ -105,10 +102,11 @@ private: /// has no AbstractTypeUsers, the type is deleted. This is only sensical for /// derived types. /// - mutable sys::cas_flag RefCount; + mutable unsigned RefCount; /// Context - This refers to the LLVMContext in which this type was uniqued. LLVMContext &Context; + friend class LLVMContextImpl; const Type *getForwardedTypeInternal() const; @@ -117,8 +115,9 @@ 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), Context(getGlobalContext()), + explicit Type(LLVMContext &C, TypeID id) : + ID(id), Abstract(false), SubclassData(0), + RefCount(0), Context(C), ForwardType(0), NumContainedTys(0), ContainedTys(0) {} virtual ~Type() { @@ -166,7 +165,6 @@ protected: public: void print(raw_ostream &O) const; - void print(std::ostream &O) const; /// @brief Debugging support: print to stderr void dump() const; @@ -183,32 +181,86 @@ public: // are defined in private classes defined in Type.cpp for primitive types. // + /// getDescription - Return the string representation of the type. + std::string getDescription() const; + /// getTypeID - Return the type id for the type. This will return one /// of the TypeID enum elements defined above. /// inline TypeID getTypeID() const { return ID; } - /// getDescription - Return the string representation of the type. - std::string getDescription() const; + /// 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; } - /// isInteger - True if this is an instance of IntegerType. + /// isPPC_FP128Ty - Return true if this is powerpc long double. + bool isPPC_FP128Ty() const { return ID == PPC_FP128TyID; } + + /// isFloatingPointTy - Return true if this is one of the five floating point + /// types + bool isFloatingPointTy() const { return ID == FloatTyID || ID == DoubleTyID || + ID == X86_FP80TyID || ID == FP128TyID || ID == PPC_FP128TyID; } + + /// isX86_MMXTy - Return true if this is X86 MMX. + bool isX86_MMXTy() const { return ID == X86_MMXTyID; } + + /// isFPOrFPVectorTy - Return true if this is a FP type or a vector of FP. /// - bool isInteger() const { return ID == IntegerTyID; } + bool isFPOrFPVectorTy() const; + + /// isLabelTy - Return true if this is 'label'. + bool isLabelTy() const { return ID == LabelTyID; } - /// isIntOrIntVector - Return true if this is an integer type or a vector of + /// isMetadataTy - Return true if this is 'metadata'. + bool isMetadataTy() const { return ID == MetadataTyID; } + + /// isIntegerTy - True if this is an instance of IntegerType. + /// + bool isIntegerTy() const { return ID == IntegerTyID; } + + /// isIntegerTy - Return true if this is an IntegerType of the given width. + bool isIntegerTy(unsigned Bitwidth) const; + + /// isIntOrIntVectorTy - Return true if this is an integer type or a vector of /// integer types. /// - bool isIntOrIntVector() const; + bool isIntOrIntVectorTy() const; - /// 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; } + /// isFunctionTy - True if this is an instance of FunctionType. + /// + bool isFunctionTy() const { return ID == FunctionTyID; } - /// isFPOrFPVector - Return true if this is a FP type or a vector of FP types. + /// isStructTy - True if this is an instance of StructType. /// - bool isFPOrFPVector() const; - + bool isStructTy() const { return ID == StructTyID; } + + /// isArrayTy - True if this is an instance of ArrayType. + /// + bool isArrayTy() const { return ID == ArrayTyID; } + + /// isPointerTy - True if this is an instance of PointerType. + /// + bool isPointerTy() const { return ID == PointerTyID; } + + /// isOpaqueTy - True if this is an instance of OpaqueType. + /// + bool isOpaqueTy() const { return ID == OpaqueTyID; } + + /// isVectorTy - True if this is an instance of VectorType. + /// + bool isVectorTy() const { return ID == VectorTyID; } + /// isAbstract - True if the type is either an Opaque type, or is a derived /// type that includes an opaque type somewhere in it. /// @@ -261,7 +313,8 @@ public: /// bool isSized() const { // If it's a primitive, it is always sized. - if (ID == IntegerTyID || isFloatingPoint() || ID == PointerTyID) + if (ID == IntegerTyID || isFloatingPointTy() || ID == PointerTyID || + ID == X86_MMXTyID) return true; // If it is not something that can have a size (e.g. a function or label), // it doesn't have a size. @@ -306,7 +359,7 @@ 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. @@ -338,21 +391,51 @@ 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 Type *getX86_MMXTy(LLVMContext &C); + static const IntegerType *getIntNTy(LLVMContext &C, unsigned N); + 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 *getX86_MMXPtrTy(LLVMContext &C, unsigned AS = 0); + static const PointerType *getIntNPtrTy(LLVMContext &C, unsigned N, + 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; } void addRef() const { assert(isAbstract() && "Cannot add a reference to a non-abstract type!"); - sys::AtomicIncrement(&RefCount); + ++RefCount; } void dropRef() const { @@ -361,8 +444,7 @@ public: // If this is the last PATypeHolder using this object, and there are no // PATypeHandles using it, the type is dead, delete it now. - sys::cas_flag OldCount = sys::AtomicDecrement(&RefCount); - if (OldCount == 0 && AbstractTypeUsers.empty()) + if (--RefCount == 0 && AbstractTypeUsers.empty()) this->destroy(); } @@ -381,7 +463,7 @@ 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 @@ -422,19 +504,19 @@ inline void PATypeHandle::removeUser() { /// reference to the type. /// inline Type* PATypeHolder::get() const { + if (Ty == 0) return 0; const Type *NewTy = Ty->getForwardedType(); if (!NewTy) return const_cast(Ty); return *const_cast(this) = NewTy; } inline void PATypeHolder::addRef() { - assert(Ty && "Type Holder has a null type!"); - if (Ty->isAbstract()) + if (Ty && Ty->isAbstract()) Ty->addRef(); } inline void PATypeHolder::dropRef() { - if (Ty->isAbstract()) + if (Ty && Ty->isAbstract()) Ty->dropRef(); } @@ -469,11 +551,12 @@ template <> struct GraphTraits { } }; -template <> inline bool isa_impl(const Type &Ty) { - return Ty.getTypeID() == Type::PointerTyID; -} +template <> struct isa_impl { + static inline bool doit(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