ConstantInt(const ConstantInt &); // DO NOT IMPLEMENT
ConstantInt(const IntegerType *Ty, const APInt& V);
APInt Val;
+ friend class LLVMContextImpl;
protected:
// allocate space for exactly zero operands
void *operator new(size_t s) {
return Val == V;
}
- /// getTrue/getFalse - Return the singleton true/false values.
- static inline ConstantInt *getTrue() {
- if (TheTrueVal) return TheTrueVal;
- return CreateTrueFalseVals(true);
- }
- static inline ConstantInt *getFalse() {
- if (TheFalseVal) return TheFalseVal;
- return CreateTrueFalseVals(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.
- static ConstantInt *get(const IntegerType *Ty,
- uint64_t V, bool isSigned = false);
-
- /// If Ty is a vector type, return a Constant with a splat of the given
- /// value. Otherwise return a ConstantInt for the given value.
- static Constant *get(const Type *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.
- static ConstantInt *getSigned(const IntegerType *Ty, int64_t V) {
- return get(Ty, V, true);
- }
- static Constant *getSigned(const Type *Ty, int64_t V) {
- return get(Ty, V, true);
- }
-
- /// 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.
- static ConstantInt *get(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.
- static Constant *get(const Type *Ty, const APInt &V);
-
/// getType - Specialize the getType() method to always return an IntegerType,
/// which reduces the amount of casting needed in parts of the compiler.
///
static bool classof(const Value *V) {
return V->getValueID() == ConstantIntVal;
}
- static void ResetTrueFalse() { TheTrueVal = TheFalseVal = 0; }
-private:
- static ConstantInt *CreateTrueFalseVals(bool WhichOne);
};
APFloat Val;
void *operator new(size_t, unsigned);// DO NOT IMPLEMENT
ConstantFP(const ConstantFP &); // DO NOT IMPLEMENT
+ friend class LLVMContextImpl;
protected:
ConstantFP(const Type *Ty, const APFloat& V);
protected:
return User::operator new(s, 0);
}
public:
- /// get() - Static factory methods - Return objects of the specified value
- static ConstantFP *get(const APFloat &V);
-
/// isValueValidForType - return true if Ty is big enough to represent V.
static bool isValueValidForType(const Type *Ty, const APFloat& V);
inline const APFloat& getValueAPF() const { return Val; }
return User::operator new(s, 0);
}
public:
- /// get() - static factory method for creating a null aggregate. It is
- /// illegal to call this method with a non-aggregate type.
- static ConstantAggregateZero *get(const Type *Ty);
-
/// isNullValue - Return true if this is the value that would be returned by
/// getNullValue.
virtual bool isNullValue() const { return true; }
friend struct ConstantCreator<ConstantArray, ArrayType,
std::vector<Constant*> >;
ConstantArray(const ConstantArray &); // DO NOT IMPLEMENT
+ friend class LLVMContextImpl;
protected:
ConstantArray(const ArrayType *T, const std::vector<Constant*> &Val);
public:
- /// get() - Static factory methods - Return objects of the specified value
- static Constant *get(const ArrayType *T, const std::vector<Constant*> &);
- static Constant *get(const ArrayType *T,
- Constant*const*Vals, unsigned NumVals) {
- // FIXME: make this the primary ctor method.
- return get(T, std::vector<Constant*>(Vals, Vals+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.
- static Constant *get(const std::string &Initializer, bool AddNull = true);
-
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
/// get() - Static factory methods - Return objects of the specified value
///
static Constant *get(const StructType *T, const std::vector<Constant*> &V);
- static Constant *get(const std::vector<Constant*> &V, bool Packed = false);
- static Constant *get(Constant*const* Vals, unsigned NumVals,
- bool Packed = false) {
- // FIXME: make this the primary ctor method.
- return get(std::vector<Constant*>(Vals, Vals+NumVals), Packed);
- }
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
public:
/// get() - Static factory methods - Return objects of the specified value
static Constant *get(const VectorType *T, const std::vector<Constant*> &);
- static Constant *get(const std::vector<Constant*> &V);
- static Constant *get(Constant*const* Vals, unsigned NumVals) {
- // FIXME: make this the primary ctor method.
- return get(std::vector<Constant*>(Vals, Vals+NumVals));
- }
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
/// ConstantExpr::get* - Return some common constants without having to
/// specify the full Instruction::OPCODE identifier.
///
- static Constant *getAdd(Constant *C1, Constant *C2);
- static Constant *getFAdd(Constant *C1, Constant *C2);
- static Constant *getSub(Constant *C1, Constant *C2);
- static Constant *getFSub(Constant *C1, Constant *C2);
- static Constant *getMul(Constant *C1, Constant *C2);
- static Constant *getFMul(Constant *C1, Constant *C2);
- static Constant *getUDiv(Constant *C1, Constant *C2);
- static Constant *getSDiv(Constant *C1, Constant *C2);
- static Constant *getFDiv(Constant *C1, Constant *C2);
- static Constant *getURem(Constant *C1, Constant *C2); // unsigned rem
- static Constant *getSRem(Constant *C1, Constant *C2); // signed rem
- static Constant *getFRem(Constant *C1, Constant *C2);
- static Constant *getAnd(Constant *C1, Constant *C2);
- static Constant *getOr(Constant *C1, Constant *C2);
- static Constant *getXor(Constant *C1, Constant *C2);
static Constant *getICmp(unsigned short pred, Constant *LHS, Constant *RHS);
static Constant *getFCmp(unsigned short pred, Constant *LHS, Constant *RHS);
- static Constant *getShl(Constant *C1, Constant *C2);
- static Constant *getLShr(Constant *C1, Constant *C2);
- static Constant *getAShr(Constant *C1, Constant *C2);
/// Getelementptr form. std::vector<Value*> is only accepted for convenience:
/// all elements must be Constant's.
return V->getValueID() == UndefValueVal;
}
};
-
-//===----------------------------------------------------------------------===//
-/// MDString - a single uniqued string.
-/// These are used to efficiently contain a byte sequence for metadata.
-///
-class MDString : public Constant {
- MDString(const MDString &); // DO NOT IMPLEMENT
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
- MDString(const char *begin, const char *end);
-
- const char *StrBegin, *StrEnd;
-protected:
- // allocate space for exactly zero operands
- void *operator new(size_t s) {
- return User::operator new(s, 0);
- }
-public:
- /// get() - Static factory methods - Return objects of the specified value.
- ///
- static MDString *get(const char *StrBegin, const char *StrEnd);
- static MDString *get(const std::string &Str);
-
- /// size() - The length of this string.
- ///
- intptr_t size() const { return StrEnd - StrBegin; }
-
- /// begin() - Pointer to the first byte of the string.
- ///
- const char *begin() const { return StrBegin; }
-
- /// end() - Pointer to one byte past the end of the string.
- ///
- const char *end() const { return StrEnd; }
-
- /// getType() specialization - Type is always MetadataTy.
- ///
- inline const Type *getType() const {
- return Type::MetadataTy;
- }
-
- /// isNullValue - Return true if this is the value that would be returned by
- /// getNullValue. This always returns false because getNullValue will never
- /// produce metadata.
- virtual bool isNullValue() const {
- return false;
- }
-
- virtual void destroyConstant();
-
- /// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const MDString *) { return true; }
- static bool classof(const Value *V) {
- return V->getValueID() == MDStringVal;
- }
-};
-
} // End llvm namespace
#endif
projects / oota-llvm.git / blobdiff