X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FLLVMContext.h;h=0aea6b89222a4a51267494e7020ead4d1652bfee;hb=48b2f3e4850cd27d54224cd42da8a160d6b95984;hp=018d777c0140a4e01e2ed46ee6786cb8e64f90fd;hpb=2bc29dc0bcb3c1441477a062e4a5cffff175c8ca;p=oota-llvm.git diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h index 018d777c014..0aea6b89222 100644 --- a/include/llvm/LLVMContext.h +++ b/include/llvm/LLVMContext.h @@ -6,6 +6,11 @@ // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// +// +// This file declares LLVMContext, a container of "global" state in LLVM, such +// as the global type and constant uniquing tables. +// +//===----------------------------------------------------------------------===// #ifndef LLVM_LLVMCONTEXT_H #define LLVM_LLVMCONTEXT_H @@ -16,147 +21,47 @@ namespace llvm { -class LLVMContextImpl; +class APFloat; +class APInt; +class ArrayType; class Constant; -class ConstantInt; -class ConstantPointerNull; -class ConstantStruct; class ConstantAggregateZero; class ConstantArray; class ConstantFP; +class ConstantInt; +class ConstantPointerNull; +class ConstantStruct; class ConstantVector; +class FunctionType; class IntegerType; +struct LLVMContextImpl; +class MDNode; +class MDString; +class OpaqueType; class PointerType; +class StringRef; class StructType; -class ArrayType; -class VectorType; class Type; -class APInt; -class APFloat; +class UndefValue; +class Use; class Value; +class VectorType; -class LLVMContext { +/// This is an important class for using LLVM in a threaded context. It +/// (opaquely) owns and manages the core "global" data of LLVM's core +/// infrastructure, including the type and constant uniquing tables. +/// LLVMContext itself provides no locking guarantees, so you should be careful +/// to have one context per thread. +struct LLVMContext { LLVMContextImpl* pImpl; -public: + LLVMContext(); ~LLVMContext(); - - // ConstantInt accessors - ConstantInt* getConstantIntTrue(); - ConstantInt* getConstantIntFalse(); - ConstantInt* getConstantInt(const IntegerType* Ty, uint64_t V, - bool isSigned = false); - ConstantInt* getConstantIntSigned(const IntegerType* Ty, int64_t V); - ConstantInt* getConstantInt(const APInt& V); - Constant* getConstantInt(const Type* Ty, const APInt& V); - ConstantInt* getAllOnesConstantInt(const Type* Ty); - - // ConstantPointerNull accessors - ConstantPointerNull* getConstantPointerNull(const PointerType* T); - - // ConstantStruct accessors - Constant* getConstantStruct(const StructType* T, - const std::vector& V); - Constant* getConstantStruct(const std::vector& V, - bool Packed = false); - Constant* getConstantStruct(Constant* const *Vals, unsigned NumVals, - bool Packed = false); - - // ConstantAggregateZero accessors - ConstantAggregateZero* getConstantAggregateZero(const Type* Ty); - - // ConstantArray accessors - Constant* getConstantArray(const ArrayType* T, - const std::vector& V); - Constant* getConstantArray(const ArrayType* T, Constant* const* Vals, - unsigned NumVals); - Constant* getConstantArray(const std::string& Initializer, - bool AddNull = false); - - // ConstantExpr accessors - Constant* getConstantExpr(unsigned Opcode, Constant* C1, Constant* C2); - Constant* getConstantExprTrunc(Constant* C, const Type* Ty); - Constant* getConstantExprSExt(Constant* C, const Type* Ty); - Constant* getConstantExprZExt(Constant* C, const Type* Ty); - Constant* getConstantExprFPTrunc(Constant* C, const Type* Ty); - Constant* getConstantExprFPExtend(Constant* C, const Type* Ty); - Constant* getConstantExprUIToFP(Constant* C, const Type* Ty); - Constant* getConstantExprSIToFP(Constant* C, const Type* Ty); - Constant* getConstantExprFPToUI(Constant* C, const Type* Ty); - Constant* getConstantExprFPToSI(Constant* C, const Type* Ty); - Constant* getConstantExprPtrToInt(Constant* C, const Type* Ty); - Constant* getConstantExprIntToPtr(Constant* C, const Type* Ty); - Constant* getConstantExprBitCast(Constant* C, const Type* Ty); - Constant* getConstantExprCast(unsigned ops, Constant* C, const Type* Ty); - Constant* getConstantExprZExtOrBitCast(Constant* C, const Type* Ty); - Constant* getConstantExprSExtOrBitCast(Constant* C, const Type* Ty); - Constant* getConstantExprTruncOrBitCast(Constant* C, const Type* Ty); - Constant* getConstantExprPointerCast(Constant* C, const Type* Ty); - Constant* getConstantExprIntegerCast(Constant* C, const Type* Ty, - bool isSigned); - Constant* getConstantExprFPCast(Constant* C, const Type* Ty); - Constant* getConstantExprSelect(Constant* C, Constant* V1, Constant* V2); - Constant* getConstantExprAlignOf(const Type* Ty); - Constant* getConstantExprCompare(unsigned short pred, - Constant* C1, Constant* C2); - Constant* getConstantExprNeg(Constant* C); - Constant* getConstantExprFNeg(Constant* C); - Constant* getConstantExprNot(Constant* C); - Constant* getConstantExprAdd(Constant* C1, Constant* C2); - Constant* getConstantExprFAdd(Constant* C1, Constant* C2); - Constant* getConstantExprSub(Constant* C1, Constant* C2); - Constant* getConstantExprFSub(Constant* C1, Constant* C2); - Constant* getConstantExprMul(Constant* C1, Constant* C2); - Constant* getConstantExprFMul(Constant* C1, Constant* C2); - Constant* getConstantExprUDiv(Constant* C1, Constant* C2); - Constant* getConstantExprSDiv(Constant* C1, Constant* C2); - Constant* getConstantExprFDiv(Constant* C1, Constant* C2); - Constant* getConstantExprURem(Constant* C1, Constant* C2); - Constant* getConstantExprSRem(Constant* C1, Constant* C2); - Constant* getConstantExprFRem(Constant* C1, Constant* C2); - Constant* getConstantExprAnd(Constant* C1, Constant* C2); - Constant* getConstantExprOr(Constant* C1, Constant* C2); - Constant* getConstantExprXor(Constant* C1, Constant* C2); - Constant* getConstantExprICmp(unsigned short pred, Constant* LHS, - Constant* RHS); - Constant* getConstantExprFCmp(unsigned short pred, Constant* LHS, - Constant* RHS); - Constant* getConstantExprVICmp(unsigned short pred, Constant* LHS, - Constant* RHS); - Constant* getConstantExprVFCmp(unsigned short pred, Constant* LHS, - Constant* RHS); - Constant* getConstantExprShl(Constant* C1, Constant* C2); - Constant* getConstantExprLShr(Constant* C1, Constant* C2); - Constant* getConstantExprAShr(Constant* C1, Constant* C2); - Constant* getConstantExprGetElementPtr(Constant* C, Constant* const* IdxList, - unsigned NumIdx); - Constant* getConstantExprGetElementPtr(Constant* C, Value* const* IdxList, - unsigned NumIdx); - Constant* getConstantExprExtractElement(Constant* Vec, Constant* Idx); - Constant* getConstantExprInsertElement(Constant* Vec, Constant* Elt, - Constant* Idx); - Constant* getConstantExprShuffleVector(Constant* V1, Constant* V2, - Constant* Mask); - Constant* getConstantExprExtractValue(Constant* Agg, const unsigned* IdxList, - unsigned NumIdx); - Constant* getConstantExprInsertValue(Constant* Agg, Constant* Val, - const unsigned* IdxList, - unsigned NumIdx); - Constant* getZeroValueForNegation(const Type* Ty); - - // ConstantFP accessors - ConstantFP* getConstantFP(const APFloat& V); - Constant* getConstantFP(const Type* Ty, double V); - ConstantFP* getConstantFPNegativeZero(const Type* Ty); - - // ConstantVector accessors - Constant* getConstantVector(const VectorType* T, - const std::vector& V); - Constant* getConstantVector(const std::vector& V); - Constant* getConstantVector(Constant* const* Vals, unsigned NumVals); - ConstantVector* getConstantVectorAllOnes(const VectorType* Ty); }; +/// FOR BACKWARDS COMPATIBILITY - Returns a global context. +extern LLVMContext& getGlobalContext(); + } #endif