[PATCH] D58349: [Dominators] Fix and optimize edge insertion of depth-based search

[Fangrui Song via Phabricator via llvm-commits]

MaskRay updated this revision to Diff 187300.
MaskRay edited the summary of this revision.
MaskRay added a comment.

Add more comments:  clarify       if (SuccLevel <= NCDLevel + 1 || !II.Visited.insert(SuccTN).second)


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58349/new/

https://reviews.llvm.org/D58349

Files:
  include/llvm/Support/GenericDomTreeConstruction.h

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