[PATCH] D101970: [X86FixupLEAs] Transform the sequence LEA/SUB to SUB/SUB

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D101970#2768229 <https://reviews.llvm.org/D101970#2768229>, @davezarzycki wrote:

> Just a heads up, my auto-bisecting multi-stage cron job has identified this change as the source of a second stage regression in a bunch of clang unit tests. I'm about to verify by hand, but it'll take a while.

perf or correctness regression?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101970/new/

https://reviews.llvm.org/D101970