[PATCH] D43176: [LoopInterchange] Incrementally update the dominator tree.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added a comment.

Thanks!

> One last question: is DomTreeWrapperPass always available when LoopInterchange is run? I'm thinking about requireAnalysis vs. getAnalysisIfAvailable.

Yep, LoopInterchange relies on LoopInfo, so the DT should be computed already.


https://reviews.llvm.org/D43176