[llvm-bugs] [Bug 32554] performance bug: libc++ std::isinf() with integer input is very slow vs libstdc++

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32554

Sean McBride <sean at rogue-research.com> changed:

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

--- Comment #3 from Sean McBride <sean at rogue-research.com> ---
Playing with godbolt, seems fixed in clang 5.0, which generates the same as
gcc:

is_infinity(int):
        xor     eax, eax
        ret

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