[PATCH] D23625: [Analysis] Change several Analysis pieces to use NodeRef. NFC.

[Tim Shen via llvm-commits]

timshen updated this revision to Diff 68434.
timshen added a comment.

Rebase onto the formatted code.


https://reviews.llvm.org/D23625

Files:
  include/llvm/Analysis/BlockFrequencyInfoImpl.h
  include/llvm/Analysis/LoopInfoImpl.h
  include/llvm/Analysis/RegionIterator.h

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