[PATCH] D32451: Improve profile-guided heuristics to use estimated trip count.

[Michael Kuperstein via Phabricator via llvm-commits]

mkuper added reviewers: danielcdh, wmi.
mkuper added a comment.

This LGTM in terms of being "the right thing to do", but I'm really not sure whether the branch information we have right now is precise enough right now to enable this, especially when using sampling-based fdo.
wmi/dehao, any chance you could check if this causes regressions for us?


https://reviews.llvm.org/D32451