[PATCH] D74263: [ValueTracking] Improve isKnownNonNaN() to recognize zero splats.

[Thomas Lively via Phabricator via llvm-commits]

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

Looks good to me! I don't have enough context to know of any other locations where this could be missed, so I'm not sure whether a helper function would be useful. It could always be added later, anyways.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74263/new/

https://reviews.llvm.org/D74263