[PATCH] D29314: [Instcombine] Combine consecutive identical fences

[Michael Spencer via Phabricator via llvm-commits]

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

Looks fine to me as long as we've resolved the semantic issues here. I'd wait for what Chandler &&/|| David have to say.


https://reviews.llvm.org/D29314