[PATCH] D55745: [InstCombine] Simplify cttz/ctlz + icmp eq/ne into mask check

[Nikita Popov via Phabricator via llvm-commits]

nikic updated this revision to Diff 178735.
nikic added a comment.

Add single use check and tests.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55745/new/

https://reviews.llvm.org/D55745

Files:
  lib/Transforms/InstCombine/InstCombineCompares.cpp
  test/Transforms/InstCombine/cmp-intrinsic.ll
  test/Transforms/InstCombine/intrinsics.ll

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