Davide Italiano 45edf51a57 [ADT] Add a generic breadth-first-search graph iterator.
This will be used in LCSSA to speed up the canonicalization.

Differential Revision:  https://reviews.llvm.org/D31694

llvm-svn: 299660
2017-04-06 17:03:04 +00:00
..
2016-01-26 21:29:08 +00:00