[PATCH] D79037: [StructurizeCFG] Fix region nodes ordering

[Ehud Katz via Phabricator via llvm-commits]

ekatz updated this revision to Diff 267465.
ekatz added a comment.

Update algorithm to use a custom `GraphTraits` and a `NodeRef` that holds the set of nodes for the subgraph.
This simplifies the algorithm quite a bit.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79037/new/

https://reviews.llvm.org/D79037

Files:
  llvm/lib/Transforms/Scalar/StructurizeCFG.cpp
  llvm/test/Transforms/StructurizeCFG/interleaved-loop-order.ll
  llvm/test/Transforms/StructurizeCFG/nested-loop-subregion.ll

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