[PATCH] D119965: [LICM][PhaseOrder] Don't speculate in LICM until after running loop rotate

[William Moses via Phabricator via llvm-commits]

wsmoses added a comment.

What precisely is the regression and the origin of it? This patch essentially aims to restore the information which was lost during a prior Phase Ordering change in https://reviews.llvm.org/D99249 which caused a large number of performance regressions. What is the behavior of your code prior to https://reviews.llvm.org/D99249 landing?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119965/new/

https://reviews.llvm.org/D119965