[PATCH] D87188: [InstCombine] Canonicalize SPF to abs intrinc

Sanne Wouda via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Sep 18 08:44:21 PDT 2020


sanwou01 added a comment.

I know this has already been reverted but just FYI that I've bisected a ~2% regression in SPEC2017 x264_r on AArch64 to this commit. Presumably this is due to the extra unrolling / cost modelling issue already mentioned?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87188/new/

https://reviews.llvm.org/D87188



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