- /// getOffsetOf constant expr - computes the offset of a field in a target
- /// independent way (Note: the return type is an i64).
+ /// getOffsetOf constant expr - computes the offset of a struct field in a
+ /// target independent way (Note: the return type is an i64).
+ ///
+ static Constant *getOffsetOf(const StructType* STy, unsigned FieldNo);
+
+ /// getOffsetOf constant expr - This is a generalized form of getOffsetOf,
+ /// which supports any aggregate type, and any Constant index.