[llvm] r242558 - MergeFuncs: Transfer the function parameter attributes to the call site

Tue Jul 21 23:54:50 PDT 2015

Arnold Schwaighofer wrote:
>
>> On Jul 19, 2015, at 12:03 PM, Nick Lewycky<nicholas at mxc.ca>  wrote:
>> I strongly suspect that if this patch fixed anything, it is working around another bug. That's what I'm worried about. Please revert this patch and fix that other bug instead.
>
> The fix is in r242807.
>
> When replacing direct callers MergeFunctions is inserting a bit cast. If we don’t apply ABI changing attributes from the callee to the call site this information is lost for clients querying paramHasAttr.

Makes sense. Thanks!!