UndefValue* getUndef(const Type* Ty);
// ConstantInt accessors
- ConstantInt* getConstantIntTrue();
- ConstantInt* getConstantIntFalse();
+ 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
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);
// 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);
};
/// FOR BACKWARDS COMPATIBILITY - Returns a global context.