[llvm-bugs] [Bug 47603] [x86] Redundant XORs generated with BSR from "__builtin_clz".

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=47603

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #2 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
Reopening, the second case is still as bad as ever: 

https://gcc.godbolt.org/z/Kc4GWEqnh

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