[PATCH] D146609: [InstCombine] Fold xor of icmps of power of 2
luxufan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 21 23:45:33 PDT 2023
StephenFan created this revision.
StephenFan added reviewers: nikic, spatel.
Herald added a subscriber: hiraditya.
Herald added a project: All.
StephenFan requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
https://alive2.llvm.org/ce/z/HKt_Rg
The motivation to do this is D146149 <https://reviews.llvm.org/D146149> caused a code size regression in
our ci https://github.com/dtcxzyw/llvm-ci/issues/23.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D146609
Files:
llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
llvm/lib/Transforms/InstCombine/InstCombineInternal.h
llvm/test/Transforms/InstCombine/bit-checks.ll
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