[PATCH] D109700: [InstCombine] Improve TryToSinkInstruction with multiple uses
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 15 12:14:21 PDT 2021
nikic accepted this revision.
nikic added a comment.
This revision is now accepted and ready to land.
LGTM
================
Comment at: llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:3834
+ // sophisticed analysis (i.e finding NearestCommonDominator of these
+ // use blocks).
+ if (UserParent)
----------------
anna wrote:
> mkazantsev wrote:
> > Can we at least allow it if they come from same block? It's typical for switches.
> yes, will do.
The "more than one use" comment isn't quite accurate anymore.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D109700/new/
https://reviews.llvm.org/D109700
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