[PATCH] D58875: [X86] Merge negated ISD::SUB nodes into X86ISD::SUB equivalent (PR40483) (WIP)

[Sanjay Patel via Phabricator via llvm-commits]

spatel commandeered this revision.
spatel edited reviewers, added: RKSimon; removed: spatel.
spatel added a comment.
Herald added a subscriber: mcrosier.

Commandeering to post the rebased patch.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58875/new/

https://reviews.llvm.org/D58875