[PATCH] D91038: [LoopIdiom] Introduce 'left-shift until bittest' idiom

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 14 13:27:58 PST 2020


lebedev.ri updated this revision to Diff 311688.
lebedev.ri marked an inline comment as done.
lebedev.ri added a comment.

@craig.topper thank you for taking a look!
Dropping PHI abstraction - on a second look it's more decent that i remember.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91038/new/

https://reviews.llvm.org/D91038

Files:
  llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll

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