[PATCH] D41361: [SimplifyCFG] Avoid quadratic on a predecessors number behavior in instruction sinking.

[Eli Friedman via Phabricator via llvm-commits]

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

OK, fixing the heuristic doesn't need to block this fix. Sinking itself appears to be working as expected, and I don't think this particular case of a bunch of PHI nodes is likely to show up often in practice.

LGTM.


https://reviews.llvm.org/D41361