[PATCH] D27280: [PGO] fix PGO use ICE when there are unreachable BBs

[David Li via Phabricator via llvm-commits]

davidxl added a comment.

I suggest adding a new interface 'findBBInfo' returns pointer (which can be null) and use it in context that can do null check. Other users of the getBBInfo won't change.


https://reviews.llvm.org/D27280