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Diffstat (limited to 'include/llvm/LLVMContext.h')
| -rw-r--r-- | include/llvm/LLVMContext.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h new file mode 100644 index 0000000..efe12cc --- /dev/null +++ b/include/llvm/LLVMContext.h @@ -0,0 +1,225 @@ +//===-- llvm/LLVMContext.h - Class for managing "global" state --*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// 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 + +#include "llvm/Support/DataTypes.h" +#include <vector> +#include <string> + +namespace llvm { + +class LLVMContextImpl; +class Constant; +class ConstantInt; +class ConstantPointerNull; +class ConstantStruct; +class ConstantAggregateZero; +class ConstantArray; +class ConstantFP; +class ConstantVector; +class UndefValue; +class MDNode; +class MDString; +class IntegerType; +class PointerType; +class StructType; +class ArrayType; +class VectorType; +class OpaqueType; +class FunctionType; +class Type; +class APInt; +class APFloat; +class Value; + +/// 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. +class LLVMContext { + LLVMContextImpl* pImpl; +public: + LLVMContext(); + ~LLVMContext(); + + // Constant accessors + Constant* getNullValue(const Type* Ty); + Constant* getAllOnesValue(const Type* Ty); + + // UndefValue accessors + UndefValue* getUndef(const Type* Ty); + + // ConstantInt accessors + ConstantInt* getConstantIntTrue(); + ConstantInt* getConstantIntFalse(); + Constant* getConstantInt(const Type* Ty, uint64_t V, + bool isSigned = false); + 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* getConstantIntAllOnesValue(const Type* Ty); + + // ConstantPointerNull accessors + ConstantPointerNull* getConstantPointerNull(const PointerType* T); + + // ConstantStruct accessors + Constant* getConstantStruct(const StructType* T, + const std::vector<Constant*>& V); + Constant* getConstantStruct(const std::vector<Constant*>& 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<Constant*>& 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<Constant*>& V); + Constant* getConstantVector(const std::vector<Constant*>& V); + Constant* getConstantVector(Constant* const* Vals, unsigned NumVals); + ConstantVector* getConstantVectorAllOnesValue(const VectorType* Ty); + + // MDNode accessors + MDNode* getMDNode(Value* const* Vals, unsigned NumVals); + + // MDString accessors + MDString* getMDString(const char *StrBegin, const char *StrEnd); + MDString* getMDString(const std::string &Str); + + // FunctionType accessors + FunctionType* getFunctionType(const Type* Result, + const std::vector<const Type*>& Params, + bool isVarArg); + + // IntegerType accessors + const IntegerType* getIntegerType(unsigned NumBits); + + // OpaqueType accessors + OpaqueType* getOpaqueType(); + + // StructType accessors + StructType* getStructType(bool isPacked=false); + StructType* getStructType(const std::vector<const Type*>& Params, + bool isPacked = false); + + // ArrayType accessors + ArrayType* getArrayType(const Type* ElementType, uint64_t NumElements); + + // PointerType accessors + PointerType* getPointerType(const Type* ElementType, unsigned AddressSpace); + PointerType* getPointerTypeUnqual(const Type* ElementType); + + // VectorType accessors + VectorType* getVectorType(const Type* ElementType, unsigned NumElements); + VectorType* getVectorTypeInteger(const VectorType* VTy); + VectorType* getVectorTypeExtendedElement(const VectorType* VTy); + VectorType* getVectorTypeTruncatedElement(const VectorType* VTy); +}; + +/// FOR BACKWARDS COMPATIBILITY - Returns a global context. +extern LLVMContext& getGlobalContext(); + +} + +#endif |
