[PATCH] D54392: [DAGCombiner] look through bitcasts when trying to narrow vector binops

[Eli Friedman via Phabricator via llvm-commits]

efriedma accepted this revision.
efriedma added a comment.
This revision is now accepted and ready to land.

Yes, we don't need to block this fix, I think; LGTM


https://reviews.llvm.org/D54392