[PATCH] D45970: [LoopInterchange] Do not change LI for BBs in child loops.

[Eli Friedman via Phabricator via llvm-commits]

efriedma accepted this revision.
efriedma added a comment.
This revision is now accepted and ready to land.

LGTM

I'm not really happy with LoopInterchangeTransform::restructureLoops overall; it seems like complicated, fragile code.  But I don't see a better alternative.


Repository:
  rL LLVM

https://reviews.llvm.org/D45970