#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;
-class Use;
+class MetadataContext;
/// 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
/// LLVMContext itself provides no locking guarantees, so you should be careful
/// to have one context per thread.
class LLVMContext {
- LLVMContextImpl* pImpl;
+ // DO NOT IMPLEMENT
+ LLVMContext(LLVMContext&);
+ void operator=(LLVMContext&);
+
public:
+ LLVMContextImpl* const pImpl;
+ MetadataContext &getMetadata();
LLVMContext();
~LLVMContext();
-
- // Constant accessors
- Constant* getNullValue(const Type* Ty);
-
- /// @returns the value for an integer constant of the given type that has all
- /// its bits set to true.
- /// @brief Get the all ones value
- Constant* getAllOnesValue(const Type* Ty);
-
- // UndefValue accessors
- UndefValue* getUndef(const Type* Ty);
-
- // ConstantInt accessors
- ConstantInt* getTrue();
- ConstantInt* getFalse();
-
- /// If Ty is a vector type, return a Constant with a splat of the given
- /// value. Otherwise return a ConstantInt for the given value.
- Constant* getConstantInt(const Type* Ty, uint64_t V,
- bool isSigned = false);
-
- /// Return a ConstantInt with the specified integer value for the specified
- /// type. If the type is wider than 64 bits, the value will be zero-extended
- /// to fit the type, unless isSigned is true, in which case the value will
- /// be interpreted as a 64-bit signed integer and sign-extended to fit
- /// the type.
- /// @brief Get a ConstantInt for a specific value.
- ConstantInt* getConstantInt(const IntegerType* Ty, uint64_t V,
- bool isSigned = false);
-
- /// Return a ConstantInt with the specified value for the specified type. The
- /// value V will be canonicalized to a an unsigned APInt. Accessing it with
- /// either getSExtValue() or getZExtValue() will yield a correctly sized and
- /// signed value for the type Ty.
- /// @brief Get a ConstantInt for a specific signed value.
- ConstantInt* getConstantIntSigned(const IntegerType* Ty, int64_t V);
- Constant *getConstantIntSigned(const Type *Ty, int64_t V);
-
- /// Return a ConstantInt with the specified value and an implied Type. The
- /// type is the integer type that corresponds to the bit width of the value.
- ConstantInt* getConstantInt(const APInt& V);
-
- /// If Ty is a vector type, return a Constant with a splat of the given
- /// value. Otherwise return a ConstantInt for the given value.
- Constant* getConstantInt(const Type* Ty, const APInt& V);
-
- // 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);
-
- /// This method constructs a ConstantArray and initializes it with a text
- /// string. The default behavior (AddNull==true) causes a null terminator to
- /// be placed at the end of the array. This effectively increases the length
- /// of the array by one (you've been warned). However, in some situations
- /// this is not desired so if AddNull==false then the string is copied without
- /// null termination.
- Constant* getConstantArray(const std::string& Initializer,
- bool AddNull = true);
-
- // 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);
-
- /// getAlignOf constant expr - computes the alignment of a type in a target
- /// independent way (Note: the return type is an i32; Note: assumes that i8
- /// is byte aligned).
- ///
- 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* 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);
-
- /// getSizeOf constant expr - computes the size of a type in a target
- /// independent way (Note: the return type is an i64).
- ///
- Constant* getConstantExprSizeOf(const Type* Ty);
-
- /// Floating point negation must be implemented with f(x) = -0.0 - x. This
- /// method returns the negative zero constant for floating point or vector
- /// floating point types; for all other types, it returns the null value.
- Constant* getZeroValueForNegation(const Type* Ty);
-
- // ConstantFP accessors
- ConstantFP* getConstantFP(const APFloat& V);
-
- /// get() - This returns a ConstantFP, or a vector containing a splat of a
- /// ConstantFP, for the specified value in the specified type. This should
- /// only be used for simple constant values like 2.0/1.0 etc, that are
- /// known-valid both as host double and as the target format.
- 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);
-
- // MDNode accessors
- MDNode* getMDNode(Value* const* Vals, unsigned NumVals);
-
- // MDString accessors
- MDString* getMDString(const char *StrBegin, unsigned Length);
- MDString* getMDString(const std::string &Str);
-
- // FunctionType accessors
- FunctionType* getFunctionType(const Type* Result, bool isVarArg);
- 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);
- StructType* getStructType(const Type* type, ...);
-
- // 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);
-
- // Other helpers
- /// @brief Create a result type for fcmp/icmp
- const Type* makeCmpResultType(const Type* opnd_type);
-
- // Methods for erasing constants
- void erase(MDString *M);
- void erase(MDNode *M);
- void erase(ConstantAggregateZero *Z);
- void erase(ConstantArray *Z);
- void erase(ConstantStruct *S);
-
- // RAUW helpers
- Constant *replaceUsesOfWithOnConstant(ConstantArray *CA,
- Value *From, Value *To, Use *U);
- Constant *replaceUsesOfWithOnConstant(ConstantStruct *CS, Value *From,
- Value *To, Use *U);
};
/// FOR BACKWARDS COMPATIBILITY - Returns a global context.
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