; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mattr=+sve -aarch64-sve-vector-bits-min=256 < %s | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-gnu"

define <4 x i32> @test(<16 x i32>* %arg1, <16 x i32>* %arg2) {
; CHECK-LABEL: test:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov x8, #8
; CHECK-NEXT:    ptrue p0.s, vl8
; CHECK-NEXT:    ld1w { z1.s }, p0/z, [x0, x8, lsl #2]
; CHECK-NEXT:    ld1w { z2.s }, p0/z, [x0]
; CHECK-NEXT:    mov z0.d, z1.d
; CHECK-NEXT:    add z2.s, p0/m, z2.s, z2.s
; CHECK-NEXT:    ext z0.b, z0.b, z1.b, #16
; CHECK-NEXT:    add z1.s, p0/m, z1.s, z1.s
; CHECK-NEXT:    dup v0.4s, v0.s[2]
; CHECK-NEXT:    st1w { z1.s }, p0, [x0, x8, lsl #2]
; CHECK-NEXT:    st1w { z2.s }, p0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <16 x i32>, <16 x i32>* %arg1, align 256
  %1 = load <16 x i32>, <16 x i32>* %arg2, align 256
  %shvec = shufflevector <16 x i32> %0, <16 x i32> %1, <4 x i32> <i32 14, i32 14, i32 14, i32 14>
  %2 = add <16 x i32> %0, %0
  store <16 x i32> %2, <16 x i32>* %arg1, align 256
  ret <4 x i32> %shvec
}