llvm-6502/include/llvm/LLVMContext.h
Bill Wendling aa3943bf63 --- Reverse-merging (from foreign repository) r74648 into '.':
U    include/llvm/LLVMContext.h
U    lib/VMCore/LLVMContext.cpp
U    lib/AsmParser/LLParser.cpp
U    lib/AsmParser/LLParser.h

Temporarily reverting r74648. It was causing massive failures in release mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-01 22:33:26 +00:00

206 lines
8.9 KiB
C++

//===-- 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 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();
// 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<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* getConstantVectorAllOnes(const VectorType* Ty);
// 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(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* getPointerTypeUnqualified(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 const LLVMContext& getGlobalContext();
}
#endif