[PATCH] D20907: [IfConversion] Bugfix: don't add Undef flag on use if reg is live.

Jonas Paulsson via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 4 02:15:26 PDT 2016

jonpa added a comment.

Matthias, from what I can see you have some experience with this part of IfConversion.cpp. Perhaps you could give some advice on or even fix this problem? In short, a bug in IfConversion was found and fixed, but when patch was applied, we ran into a problem relating to Redefs - see above.

I am now on vacation, and cannot not fix IfConversion right now, so if anybody could take the time that would be great, as this is a bug that should be fixed ASAP.


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