[PATCH] D95141: [InstCombine] Remove unused llvm.experimental.noalias.scope.decl

Sat Jan 23 05:59:16 PST 2021

jeroen.dobbelaere added a comment.

In D95141#2517496 <https://reviews.llvm.org/D95141#2517496>, @xbolva00 wrote:

> In D95141#2517490 <https://reviews.llvm.org/D95141#2517490>, @jeroen.dobbelaere wrote:
>
>> I noticed that D93040 <https://reviews.llvm.org/D93040> added a decent 2% penalty for trampd3d-v4. In https://llvm-compile-time-tracker.com/index.php?config=O3&stat=instructions&branch=dobbelaj-snps/perf/D95141_20210123_01 you can see that the cleanup wins back most of this regression.
>
> It would be good to revert D93040 <https://reviews.llvm.org/D93040> maybe.. Or be sure this fix goes in before llvm 12.

The goal is to have everything in before llvm-12 (unless other big blockers pop up)

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95141/new/

https://reviews.llvm.org/D95141