[PATCH] D36581: [DAG] Fix Node Replacement in PromoteIntBinOp

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Okay, that makes sense.

Is it possible for N0 to be an ancestor of N1?  If it is, do we need to replace N1 before N0?


https://reviews.llvm.org/D36581