[PATCH] D109155: [InstCombine] Fold BW/2+1 tops bits are same pattern

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

The half-width truncate clause seems too restrictive. I assume we want to catch a case like this too:
https://alive2.llvm.org/ce/z/UAQ4yQ


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109155/new/

https://reviews.llvm.org/D109155