[PATCH] D90170: [InstCombine] InstCombinerImpl::visitOr - enable bitreverse matching

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri May 14 01:59:40 PDT 2021


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

LGTM, but from the llvm-xray traces of LLVM i've seen, IIRC matchBSwapOrBitReverse/collectbitparts is pretty high up in the list of cycle eaters.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90170/new/

https://reviews.llvm.org/D90170



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