[PATCH] D150100: [KnownBits] Improve implementation of `KnownBits::abs`

[Jay Foad via Phabricator via llvm-commits]

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

LGTM. I hope that one day we can remove this logic in abs() when computeForAddSub() gets a precise nsw implementation.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150100/new/

https://reviews.llvm.org/D150100