[PATCH] D36711: [X86] Combining CMOVs with [ANY, SIGN, ZERO]_EXTEND for cases where CMOV has constant arguments

[Sanjay Patel via Phabricator via llvm-commits]

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

LGTM.

Side note about my earlier comment about transforming select-of-constants to bitwise logic: according to Agner's tables, AMD Zen can do cmov in a single uop and at full throughput, so that transform won't make sense in general.


https://reviews.llvm.org/D36711