commit e35a4491404bfa1a73c4f07cb65a97190a0c7f68
author Jakub Kuderski <kubakuderski@gmail.com> Thu Aug 17 16:45:35 2017 +0000
committer Jakub Kuderski <kubakuderski@gmail.com> Thu Aug 17 16:45:35 2017 +0000
tree 4aedfccebd30c42bfb684b70fde576af96aabb80
parent 3a622a14f9eb62b9f8aae5f5e937b5a62dab06a4

[Dominators] Teach LoopUnswitch to use the incremental API

Summary:
This patch makes LoopUnswitch use new incremental API for updating dominators.
It also updates SplitCriticalEdge, as it is called in LoopUnswitch.

There doesn't seem to be any noticeable performance difference when bootstrapping clang with this patch.

Reviewers: dberlin, davide, sanjoy, grosser, chandlerc

Reviewed By: davide, grosser

Subscribers: mzolotukhin, llvm-commits

Differential Revision: https://reviews.llvm.org/D35528

llvm-svn: 311093