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

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: dmgreen, kuba.

We can use incremental dominator tree updates to avoid re-calculating
the dominator tree after interchanging 2 loops.


https://reviews.llvm.org/D43176

Files:
  lib/Transforms/Scalar/LoopInterchange.cpp

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