[PATCH] D92754: [LoopIdiom] 'left-shift until bittest' idiom: support rewriting loop as countable, allow extra cruft

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 313418.
lebedev.ri marked 2 inline comments as done.
lebedev.ri added a comment.

@craig.topper thank you for taking a look!
Fixed up comments (this needs a rebase for tests, i didn't do that curently.)

In D92754#2468769 <https://reviews.llvm.org/D92754#2468769>, @craig.topper wrote:

> I think this makes sense.

Aha!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92754/new/

https://reviews.llvm.org/D92754

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

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