[PATCH] D36172: [InstCombine] Improve profitability check for folding PHI args

[Davide Italiano via Phabricator via llvm-commits]

davide added a comment.

FWIW, I'm currently working on squashing out the remaining problems in NewGVN (see updates in bugzilla for details).
I expect realistically that the pass will be enabled by default in a couple of months, given all the insane amount of fuzzing we did on it.


https://reviews.llvm.org/D36172