[PATCH] D61307: [InstCombine] Add new combine to sub folding

[Chris Dawson via Phabricator via llvm-commits]

cdawson added a comment.

Apologies for the spam.

Since the mentioned review I discovered that the non-constant case was already handled in visitSub but the constant case wasn't due to an earlier optimisation. I have spun off a new review for this: D61517 <https://reviews.llvm.org/D61517>


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61307/new/

https://reviews.llvm.org/D61307