[PATCH] D108165: [InstCombine] fold signed min/max intrinsics with negated operands

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

> adapt Negator to handle it

Hmm, thanks for the hint, i was looking for this fold for a while :)
Indeed, negator does not track NSW-ness. What we can do for the signed variant is:
https://alive2.llvm.org/ce/z/MXZXKp aka https://alive2.llvm.org/ce/z/VJwMwD


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