[llvm-bugs] [Bug 42674] [X86][SSE] Missed vXi8 sum reduction optimization

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42674

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

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

--- Comment #5 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Joel Yliluoma from comment #3)
>         vmovups ymm0, ymmword ptr [rdi]
>         vmovaps ymmword ptr [rsp], ymm0
>         vmovdqa xmm0, xmmword ptr [rsp]
>         vpaddb  xmm0, xmm0, xmmword ptr [rsp + 16]

That is weird - @spatel any ideas?

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