[PATCH] D156778: [SelectionDAG] Improve `isKnownToBeAPowerOfTwo`

[Simon Pilgrim via Phabricator via llvm-commits]

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

LGTM


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156778/new/

https://reviews.llvm.org/D156778