[PATCH] D145280: [InstCombine] Add transforms for `(icmp (xor X, Y), X)`

Noah Goldstein via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Mar 26 16:14:55 PDT 2023


goldstein.w.n added a comment.

In D145280#4182474 <https://reviews.llvm.org/D145280#4182474>, @nikic wrote:

> Is there any real-world motivation for these xor transforms (and also the signed predicate variants in this patch stack)? If not, I'm not sure this is worthwhile.

None handy, but doesn't seem like unreasonably obscure codes. You think this is unreasonably unlikely?


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