[PATCH] D28364: SimplifyLibCalls: Remove incorrect optimization of fabs

[Eli Friedman via Phabricator via llvm-commits]

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

You might want to put a comment in the tests briefly noting the problem with this transformation.

I think this transform is safe if the `@llvm.fabs` call is marked nnan, but I'm sure you already have some plan for that.


https://reviews.llvm.org/D28364