[PATCH] D86133: [LoopNest] False negative of `arePerfectlyNested` with LCSSA loops

[Ta-Wei Tu via Phabricator via llvm-commits]

TaWeiTu updated this revision to Diff 286462.
TaWeiTu added a comment.

Check the existence of the extra block only when the inner loop is guarded and the inner loop exit contains LCSSA Phi instructions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D86133/new/

https://reviews.llvm.org/D86133

Files:
  llvm/lib/Analysis/LoopNestAnalysis.cpp
  llvm/test/Analysis/LoopNestAnalysis/nests-with-lcssa.ll

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