[llvm-bugs] [Bug 48608] Failure to optimize popcount of a single bit

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48608

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED
 Fixed By Commit(s)|                            |236c452

--- Comment #2 from Sanjay Patel <spatel+llvm at rotateright.com> ---
Metadata doesn't provide what we need. I used a ValueTracking call instead.
Should be fixed with:
https://reviews.llvm.org/rG236c4524a7cd

It looks like gcc still does more, so please open a new bug if more popcount
optimizations are expected/needed.

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