[PATCH] D54827: [simplifycfg] Handle 3 sequential branches while the first two can infer the third one.

[luo xionghu via Phabricator via llvm-commits]

yinyuefengyi updated this revision to Diff 175202.
yinyuefengyi marked an inline comment as not done.
yinyuefengyi added a comment.

upload full diff with -U9999 for other's review comments.

lebedev.ri suggested to use  InstCombiner::foldAndOfICmps() instead of duplicate logic, this requires function change from private to public, also a new instance of InstComber is needed in SimplifyCFGOpt,  pending for discussions.
Thanks.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D54827/new/

https://reviews.llvm.org/D54827

Files:
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/SimplifyCFG/branch-fold-three.ll

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