File: pr97968.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -mcpu=znver4 | FileCheck %s

define <2 x i32> @PR97968(<16 x i32> %a0) {
; CHECK-LABEL: PR97968:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovddup {{.*#+}} xmm1 = [2,7,2,7]
; CHECK-NEXT:    # xmm1 = mem[0,0]
; CHECK-NEXT:    vpermps %zmm0, %zmm1, %zmm0
; CHECK-NEXT:    # kill: def $xmm0 killed $xmm0 killed $zmm0
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retq
  %sub0 = shufflevector <16 x i32> %a0, <16 x i32> poison, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
  %sub1 = shufflevector <16 x i32> %a0, <16 x i32> poison, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
  %elt0 = extractelement <4 x i32> %sub0, i64 2
  %elt7 = extractelement <4 x i32> %sub1, i64 3
  %scl0 = insertelement <2 x i32> undef, i32 %elt0, i32 0
  %scl1 = insertelement <2 x i32> %scl0, i32 %elt7, i32 1
  ret <2 x i32> %scl1
}