[PATCH] D33242: [InstCombine] add motivational comment for tests; NFC

[Davide Italiano via Phabricator via llvm-commits]

davide added a comment.

This is fine. It's just a theoretical concern, but OK. Please keep in mind that the transform you're proposing won't work if the first icmp is located in a different position in the function, for that you need value numbering.


https://reviews.llvm.org/D33242