[PATCH] D60674: [X86] Restore the pavg intrinsics.
Simon Pilgrim via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Apr 15 04:39:12 PDT 2019
RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.
LGTM - there's too many different optimizations and canonicalizations that can occur on such a pattern to be able to match all of the permutations.
We can probably add some InstCombine optimizations (e.g. where the avg can't overflow etc.) and keep the existing DAG matching.
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