tree c7fdc66131c738082f9654b90ed2dc98491adb1c
parent ebd8d9a1ff15bc411f357c69609ecdd814b3ee33
author Sean Silva <chisophugis@gmail.com> 1468972463 +0000
committer Sean Silva <chisophugis@gmail.com> 1468972463 +0000

[PM] Port LoopUnroll.

We just set PreserveLCSSA to always true since we don't have an
analogous method `mustPreserveAnalysisID(LCSSA)`.

Also port LoopInfo verifier pass to test LoopUnrollPass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276063 91177308-0d34-0410-b5e6-96231b3b80d8