[PATCH] D115629: [RISCV] Use binvi and bexti to fold and (not (srl X, C)), 1

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 13 10:19:37 PST 2021


craig.topper added a comment.

Have you seen real cases of this pattern? InstCombine canonicalizes this to (xor (and (srl X, C), 1), 1) before we get to SelectionDAG.


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https://reviews.llvm.org/D115629



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