[PATCH] D112276: [InstCombine] Fold `(c & ~(a | b)) | (b & ~(a | c))` to `~a & (b ^ c)`

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev added a comment.

In D112276#3084757 <https://reviews.llvm.org/D112276#3084757>, @spatel wrote:

> We do have semi-standard pattern matching in AIC outside of the TruncInstCombiner - it lives under "foldUnusualPatterns()".

Oh, sure, forget about it, it has only few folding patterns. As for this, I vote for moving such large boolean pattern to AIC, at least, if we do not need it at "O2 <https://reviews.llvm.org/owners/package/2/>" right now.


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