[PATCH] D37343: [CGP] Merge empty case blocks if no extra moves are added.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added reviewers: hfinkel, qcolombet.
efriedma added a comment.

The real problem with computing DT there isn't how long it takes in common cases, it's that the total time will blow up quadratically for large functions.

Adding a couple more reviewers... the heuristic sort of makes sense to me, but I'd like another opinion.


https://reviews.llvm.org/D37343