[PATCH] D32725: [InstCombine] Apply deMorgan to (and/or (not cmp1), cmp2) when cmp1 has multiple uses, but cmp2 has a single use

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed May 3 09:38:46 PDT 2017


craig.topper added a comment.

should we also lift the one use check for compares in IsFreeToInvert?

What about floating point compares? We probably don't have as many folds for them.


https://reviews.llvm.org/D32725





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