[PATCH] D118431: [InstCombine] Generalize and-reduce pattern to handle `ne` case as well as `eq`

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D118431#3278342 <https://reviews.llvm.org/D118431#3278342>, @mkazantsev wrote:

> Sanity check: https://alive2.llvm.org/ce/z/rDeaif

That's a yet another pattern (`(x == y) != -1  -->  x != y`), while here you have `(x != y) != 0  -->  x != y`,
i.e. https://alive2.llvm.org/ce/z/WDcuJ_


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