[llvm-bugs] [Bug 32160] [x86, SSE] poor codegen splatting from illegal truncated vector type

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=32160

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
 Fixed By Commit(s)|326043                      |326043, 344336

--- Comment #4 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Simon Pilgrim from comment #3)
> The SSE issue was fixed by rL326043, but the AVX2+ code still isn't great:
> 
> https://gcc.godbolt.org/z/gDy8xu

The AVX2 code was fixed at rL344336:

vpunpckhwd %xmm0, %xmm0, %xmm0 {{.*#+}} xmm0 = xmm0[4,4,5,5,6,6,7,7]
vpbroadcastd %xmm0, %xmm0

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