[PATCH] D91726: [LoopIdiom] 'left-shift until bittest' idiom: support canonical sign bit mask

Peter Collingbourne via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 30 12:00:30 PST 2020

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pcc added a comment.

Sure, here is the .ll file.
F14882187: test2.ll <https://reviews.llvm.org/F14882187>
Reproduces with `opt -O2 -S test2.ll`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91726/new/

https://reviews.llvm.org/D91726

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