[PATCH] D32605: Recognize CTLZ builtin

[Evgeny Stupachenko via Phabricator via llvm-commits]

evstupac updated this revision to Diff 98828.
evstupac added a comment.
Herald added a subscriber: javed.absar.

Add a test for armv4t and armv7a.
Update x86 tests to check CPUs that support ctlz and not.
Add a check on insns number in a loop - supposed to check if idiom recognition will remove the loop or not.


Repository:
  rL LLVM

https://reviews.llvm.org/D32605

Files:
  lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  test/Transforms/LoopIdiom/ARM/ctlz.ll
  test/Transforms/LoopIdiom/X86/ctlz.ll

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