+
+ static Constant *getNullValue(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
+ static Constant *getAllOnesValue(Type* Ty);
+
+ /// getIntegerValue - Return the value for an integer or pointer constant,
+ /// or a vector thereof, with the given scalar value.
+ static Constant *getIntegerValue(Type* Ty, const APInt &V);
+
+ /// removeDeadConstantUsers - If there are any dead constant users dangling
+ /// off of this constant, remove them. This method is useful for clients
+ /// that want to check to see if a global is unused, but don't want to deal
+ /// with potentially dead constants hanging off of the globals.
+ void removeDeadConstantUsers() const;