[llvm-bugs] [Bug 34380] [X86] Very bad sequences generated for building smaller vectors from bigger ones

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34380

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
 Fixed By Commit(s)|r358516,r359292             |r358516,r359292,r363499,r36
                   |                            |3500
             Status|CONFIRMED                   |RESOLVED

--- Comment #4 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
Fixed second case at rL363500

test_16xi32_to_4xi32_perm_mask9:
        vmovaps .LCPI0_0(%rip), %xmm1   # xmm1 = [12,9,4,10]
        vpermps %zmm0, %zmm1, %zmm0
        vzeroupper
        retq

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