[PATCH] D50890: [NFC] Factor out predecessors collection into a separate method

[Philip Reames via Phabricator via llvm-commits]

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

LGTM.  Don't see where you're going with this, but the patch is obvious correct and doesn't make anything particularly messy.


https://reviews.llvm.org/D50890