[llvm-bugs] [Bug 32176] _mm_undefined_si128 compiles to incorrect SSE code

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32176

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

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

--- Comment #12 from Sanjay Patel <spatel+llvm at rotateright.com> ---
This should be fixed after:
https://reviews.llvm.org/rL297588

If you have any cases where you're using _mm_undefined_* and clang is producing
an unnecessary zero-ing instruction (xorps, etc) in optimized assembly, please
file a new bug report. Thanks!

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