[PATCH] D33136: [ValueTracking] Don't let isAddOfNonZero look at adds with a PHI node as input

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

Only one of the benchmarks I ran this through showed any effect on the compiled code. And the one benchmark that changed got slightly faster.


https://reviews.llvm.org/D33136