[PATCH] D47202: [CodeGen] use nsw negation for abs

[Craig Topper via Phabricator via cfe-commits]

craig.topper accepted this revision.
craig.topper added a comment.
This revision is now accepted and ready to land.

This seems right to me. GCC believes believes that __bultin_abs always returns a positive number.


https://reviews.llvm.org/D47202