[PATCH] D148404: [ValueTracking] Apply the isKnownNonZero techniques in `ashr`/`lshl` to `shl` and vice-versa

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n reopened this revision.
goldstein.w.n added a comment.
This revision is now accepted and ready to land.

This doesn't appear to have been related to PR62175 so repushing.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148404/new/

https://reviews.llvm.org/D148404