[PATCH] D142803: [LogicCombine 1/?] Implement a general way to simplify logical operations.
Dávid Bolvanský via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 27 11:13:51 PST 2023
xbolva00 added a comment.
In D142803#4156027 <https://reviews.llvm.org/D142803#4156027>, @aeubanks wrote:
> with this patch, would it possible to remove some similar optimizations from instcombine, those being subsumed by this?
AggressiveInstCombine runs only with -O3, no?
Removing instcombine folds would regress performance with lower levels. This leads me to the question how ofter this fires in llvm test suite / SPEC / clang bootstrap? Is it worth it?
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https://reviews.llvm.org/D142803/new/
https://reviews.llvm.org/D142803
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