[PATCH] D118595: [AARCH64][DAGCombine] Add combine for negation of CSEL absolute value pattern.
Sunho Kim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 2 12:52:32 PST 2022
sunho added a comment.
They seems to be fine unless nsw flag is specified on sub. IIUC, if nsw flag is not specified it will wrap around, then -(-128) = -128, still yielding the same result.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D118595/new/
https://reviews.llvm.org/D118595
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