[PATCH] D34745: Revert Revert [MBP] do not rotate loop if it creates extra branch

[Serguei Katkov via Phabricator via llvm-commits]

skatkov added reviewers: sammccall, chandlerc.
skatkov added a comment.

Add a couple of more reviewers.

Adding Sam as one who did some changes in MachineBlockPlacement patch and Chandler as this patch is actually a follow-up of the branch weights patches he reviewed.

Please help to make a progress on this patch.

This is actually a revert-revert of the patch https://reviews.llvm.org/D34271 with a fix.


https://reviews.llvm.org/D34745