Displaying 1 result from an estimated 1 matches for "db528a3b".
2014 Jun 25
2
[LLVMdev] Question Regarding Sign-Overflow
Sorry, the old title didn't make sense.
> Hi,
>
> I have doubts on the following transformation in InstCombineAddSub.cpp. Is
> it always safe to preserve NSW/NUW in this case?
>
> // If this is a 'B = x-(-A)', change to B = x+A. This preserves NSW/NUW. if (Value