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

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 133904.
fhahn added a comment.

Only update DT if DT != nullptr, add -verify-dom-info to a test.


https://reviews.llvm.org/D43176

Files:
  lib/Transforms/Scalar/LoopInterchange.cpp
  test/Transforms/LoopInterchange/reductions.ll

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