[Bug tree-optimization/126810] simplify a ctz of a bit reversal

"pinskia at gcc dot gnu.org via Gcc-bugs" <[email protected]>
Newsgroups gmane.comp.gcc.bugs
Message-ID <[email protected]/bugzilla/> 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126810

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(for breverse (BITREVERSE)
     ctz      (CTZ)
     clz      (CLZ)
 (simplify
  (ctz (breverse (@0))
  (clz @0))
 (simplify
  (clz (breverse (@0))
  (ctz @0)))
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