return getSelectTy(V1->getType(), C, V1, V2);
}
+ /// getSizeOf constant expr - computes the size of a type in a target
+ /// independent way (Note: the return type is ULong but the object is not
+ /// necessarily a ConstantUInt).
+ ///
+ static Constant *getSizeOf(const Type *Ty);
/// ConstantExpr::get - Return a binary or shift operator constant expression,
/// folding if possible.
}
};
+
+//===----------------------------------------------------------------------===//
+/// UndefValue - 'undef' values are things that do not have specified contents.
+/// These are used for a variety of purposes, including global variable
+/// initializers and operands to instructions. 'undef' values can occur with
+/// any type.
+///
+class UndefValue : public Constant {
+ friend struct ConstantCreator<UndefValue, Type, char>;
+ UndefValue(const UndefValue &); // DO NOT IMPLEMENT
+protected:
+ UndefValue(const Type *T) : Constant(T, UndefValueVal) {}
+public:
+ /// get() - Static factory methods - Return an 'undef' object of the specified
+ /// type.
+ ///
+ static UndefValue *get(const Type *T);
+
+ /// isNullValue - Return true if this is the value that would be returned by
+ /// getNullValue.
+ 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 UndefValue *) { return true; }
+ static bool classof(const Value *V) {
+ return V->getValueType() == UndefValueVal;
+ }
+};
+
} // End llvm namespace
#endif