[llvm-bugs] [Bug 31451] AVX-512: Shuffle from <16 x i32> to <4 x i32> should be optimized

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=31451

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
 Fixed By Commit(s)|                            |r365050
             Status|CONFIRMED                   |RESOLVED

--- Comment #2 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
Fixed in rL365050

foo:
  vmovaps .LCPI0_0(%rip), %xmm1 # xmm1 = [0,4,8,12]
  vpermps %zmm0, %zmm1, %zmm0
  vzeroupper
  retq

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