[PATCH] D37175: Fix PR/33305. caused by trying to simplify expressions in phi of ops that should have no leaders.

[Daniel Berlin via Phabricator via llvm-commits]

dberlin added a comment.

The 33461 change is an example where i believe what we were doing is safe, but i want to see if we still find correctness bugs first :)


https://reviews.llvm.org/D37175