; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX --check-prefix=AVX512 --check-prefix=AVX512F
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefix=AVX --check-prefix=AVX512 --check-prefix=AVX512BW

define void @avg_v4i8(<4 x i8>* %a, <4 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v4i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT:    movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    movd %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; AVX-NEXT:    vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; AVX-NEXT:    vpavgb %xmm0, %xmm1, %xmm0
; AVX-NEXT:    vmovd %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i8>, <4 x i8>* %a
  %2 = load <4 x i8>, <4 x i8>* %b
  %3 = zext <4 x i8> %1 to <4 x i32>
  %4 = zext <4 x i8> %2 to <4 x i32>
  %5 = add nuw nsw <4 x i32> %3, <i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <4 x i32> %5, %4
  %7 = lshr <4 x i32> %6, <i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <4 x i32> %7 to <4 x i8>
  store <4 x i8> %8, <4 x i8>* undef, align 4
  ret void
}

define void @avg_v8i8(<8 x i8>* %a, <8 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v8i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    movq {{.*#+}} xmm1 = mem[0],zero
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    movq %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vmovq {{.*#+}} xmm1 = mem[0],zero
; AVX-NEXT:    vpavgb %xmm0, %xmm1, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i8>, <8 x i8>* %a
  %2 = load <8 x i8>, <8 x i8>* %b
  %3 = zext <8 x i8> %1 to <8 x i32>
  %4 = zext <8 x i8> %2 to <8 x i32>
  %5 = add nuw nsw <8 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <8 x i32> %5, %4
  %7 = lshr <8 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <8 x i32> %7 to <8 x i8>
  store <8 x i8> %8, <8 x i8>* undef, align 4
  ret void
}

define void @avg_v16i8(<16 x i8>* %a, <16 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v16i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    pavgb (%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v16i8:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rsi), %xmm0
; AVX-NEXT:    vpavgb (%rdi), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <16 x i8>, <16 x i8>* %a
  %2 = load <16 x i8>, <16 x i8>* %b
  %3 = zext <16 x i8> %1 to <16 x i32>
  %4 = zext <16 x i8> %2 to <16 x i32>
  %5 = add nuw nsw <16 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <16 x i32> %5, %4
  %7 = lshr <16 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <16 x i32> %7 to <16 x i8>
  store <16 x i8> %8, <16 x i8>* undef, align 4
  ret void
}

define void @avg_v32i8(<32 x i8>* %a, <32 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v32i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    movdqa 16(%rsi), %xmm1
; SSE2-NEXT:    pavgb (%rdi), %xmm0
; SSE2-NEXT:    pavgb 16(%rdi), %xmm1
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm1
; AVX1-NEXT:    vpavgb 16(%rdi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgb (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rsi), %ymm0
; AVX2-NEXT:    vpavgb (%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v32i8:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rsi), %ymm0
; AVX512-NEXT:    vpavgb (%rdi), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <32 x i8>, <32 x i8>* %a
  %2 = load <32 x i8>, <32 x i8>* %b
  %3 = zext <32 x i8> %1 to <32 x i32>
  %4 = zext <32 x i8> %2 to <32 x i32>
  %5 = add nuw nsw <32 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <32 x i32> %5, %4
  %7 = lshr <32 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <32 x i32> %7 to <32 x i8>
  store <32 x i8> %8, <32 x i8>* undef, align 4
  ret void
}

define void @avg_v48i8(<48 x i8>* %a, <48 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v48i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm1
; SSE2-NEXT:    movdqa 16(%rdi), %xmm6
; SSE2-NEXT:    movdqa 32(%rdi), %xmm11
; SSE2-NEXT:    movdqa (%rsi), %xmm12
; SSE2-NEXT:    movdqa 16(%rsi), %xmm13
; SSE2-NEXT:    movdqa 32(%rsi), %xmm0
; SSE2-NEXT:    pxor %xmm7, %xmm7
; SSE2-NEXT:    movdqa %xmm1, %xmm4
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm4 = xmm4[8],xmm7[8],xmm4[9],xmm7[9],xmm4[10],xmm7[10],xmm4[11],xmm7[11],xmm4[12],xmm7[12],xmm4[13],xmm7[13],xmm4[14],xmm7[14],xmm4[15],xmm7[15]
; SSE2-NEXT:    movdqa %xmm4, %xmm2
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm7[4],xmm2[5],xmm7[5],xmm2[6],xmm7[6],xmm2[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm4 = xmm4[0],xmm7[0],xmm4[1],xmm7[1],xmm4[2],xmm7[2],xmm4[3],xmm7[3]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm7[0],xmm1[1],xmm7[1],xmm1[2],xmm7[2],xmm1[3],xmm7[3],xmm1[4],xmm7[4],xmm1[5],xmm7[5],xmm1[6],xmm7[6],xmm1[7],xmm7[7]
; SSE2-NEXT:    movdqa %xmm1, %xmm10
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4],xmm7[4],xmm10[5],xmm7[5],xmm10[6],xmm7[6],xmm10[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm7[0],xmm1[1],xmm7[1],xmm1[2],xmm7[2],xmm1[3],xmm7[3]
; SSE2-NEXT:    movdqa %xmm6, %xmm5
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm5 = xmm5[8],xmm7[8],xmm5[9],xmm7[9],xmm5[10],xmm7[10],xmm5[11],xmm7[11],xmm5[12],xmm7[12],xmm5[13],xmm7[13],xmm5[14],xmm7[14],xmm5[15],xmm7[15]
; SSE2-NEXT:    movdqa %xmm5, %xmm15
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm15 = xmm15[4],xmm7[4],xmm15[5],xmm7[5],xmm15[6],xmm7[6],xmm15[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm5 = xmm5[0],xmm7[0],xmm5[1],xmm7[1],xmm5[2],xmm7[2],xmm5[3],xmm7[3]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm6 = xmm6[0],xmm7[0],xmm6[1],xmm7[1],xmm6[2],xmm7[2],xmm6[3],xmm7[3],xmm6[4],xmm7[4],xmm6[5],xmm7[5],xmm6[6],xmm7[6],xmm6[7],xmm7[7]
; SSE2-NEXT:    movdqa %xmm6, %xmm14
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm14 = xmm14[4],xmm7[4],xmm14[5],xmm7[5],xmm14[6],xmm7[6],xmm14[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm6 = xmm6[0],xmm7[0],xmm6[1],xmm7[1],xmm6[2],xmm7[2],xmm6[3],xmm7[3]
; SSE2-NEXT:    movdqa %xmm12, %xmm3
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm3 = xmm3[8],xmm7[8],xmm3[9],xmm7[9],xmm3[10],xmm7[10],xmm3[11],xmm7[11],xmm3[12],xmm7[12],xmm3[13],xmm7[13],xmm3[14],xmm7[14],xmm3[15],xmm7[15]
; SSE2-NEXT:    movdqa %xmm3, %xmm8
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm8 = xmm8[4],xmm7[4],xmm8[5],xmm7[5],xmm8[6],xmm7[6],xmm8[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm2, %xmm8
; SSE2-NEXT:    movdqa %xmm11, %xmm2
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm2 = xmm2[8],xmm7[8],xmm2[9],xmm7[9],xmm2[10],xmm7[10],xmm2[11],xmm7[11],xmm2[12],xmm7[12],xmm2[13],xmm7[13],xmm2[14],xmm7[14],xmm2[15],xmm7[15]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm7[0],xmm3[1],xmm7[1],xmm3[2],xmm7[2],xmm3[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm4, %xmm3
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm12 = xmm12[0],xmm7[0],xmm12[1],xmm7[1],xmm12[2],xmm7[2],xmm12[3],xmm7[3],xmm12[4],xmm7[4],xmm12[5],xmm7[5],xmm12[6],xmm7[6],xmm12[7],xmm7[7]
; SSE2-NEXT:    movdqa %xmm12, %xmm9
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm9 = xmm9[4],xmm7[4],xmm9[5],xmm7[5],xmm9[6],xmm7[6],xmm9[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm10, %xmm9
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm12 = xmm12[0],xmm7[0],xmm12[1],xmm7[1],xmm12[2],xmm7[2],xmm12[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm1, %xmm12
; SSE2-NEXT:    movdqa %xmm13, %xmm4
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm4 = xmm4[8],xmm7[8],xmm4[9],xmm7[9],xmm4[10],xmm7[10],xmm4[11],xmm7[11],xmm4[12],xmm7[12],xmm4[13],xmm7[13],xmm4[14],xmm7[14],xmm4[15],xmm7[15]
; SSE2-NEXT:    movdqa %xmm4, %xmm10
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm10 = xmm10[4],xmm7[4],xmm10[5],xmm7[5],xmm10[6],xmm7[6],xmm10[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm15, %xmm10
; SSE2-NEXT:    movdqa %xmm2, %xmm15
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm15 = xmm15[4],xmm7[4],xmm15[5],xmm7[5],xmm15[6],xmm7[6],xmm15[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm7[0],xmm2[1],xmm7[1],xmm2[2],xmm7[2],xmm2[3],xmm7[3]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm11 = xmm11[0],xmm7[0],xmm11[1],xmm7[1],xmm11[2],xmm7[2],xmm11[3],xmm7[3],xmm11[4],xmm7[4],xmm11[5],xmm7[5],xmm11[6],xmm7[6],xmm11[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm4 = xmm4[0],xmm7[0],xmm4[1],xmm7[1],xmm4[2],xmm7[2],xmm4[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm5, %xmm4
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm13 = xmm13[0],xmm7[0],xmm13[1],xmm7[1],xmm13[2],xmm7[2],xmm13[3],xmm7[3],xmm13[4],xmm7[4],xmm13[5],xmm7[5],xmm13[6],xmm7[6],xmm13[7],xmm7[7]
; SSE2-NEXT:    movdqa %xmm13, %xmm1
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm7[4],xmm1[5],xmm7[5],xmm1[6],xmm7[6],xmm1[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm14, %xmm1
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm13 = xmm13[0],xmm7[0],xmm13[1],xmm7[1],xmm13[2],xmm7[2],xmm13[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm6, %xmm13
; SSE2-NEXT:    movdqa %xmm0, %xmm6
; SSE2-NEXT:    punpckhbw {{.*#+}} xmm6 = xmm6[8],xmm7[8],xmm6[9],xmm7[9],xmm6[10],xmm7[10],xmm6[11],xmm7[11],xmm6[12],xmm7[12],xmm6[13],xmm7[13],xmm6[14],xmm7[14],xmm6[15],xmm7[15]
; SSE2-NEXT:    movdqa %xmm6, %xmm14
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm14 = xmm14[4],xmm7[4],xmm14[5],xmm7[5],xmm14[6],xmm7[6],xmm14[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm15, %xmm14
; SSE2-NEXT:    movdqa %xmm11, %xmm5
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm5 = xmm5[4],xmm7[4],xmm5[5],xmm7[5],xmm5[6],xmm7[6],xmm5[7],xmm7[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm6 = xmm6[0],xmm7[0],xmm6[1],xmm7[1],xmm6[2],xmm7[2],xmm6[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm2, %xmm6
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm7[0],xmm0[1],xmm7[1],xmm0[2],xmm7[2],xmm0[3],xmm7[3],xmm0[4],xmm7[4],xmm0[5],xmm7[5],xmm0[6],xmm7[6],xmm0[7],xmm7[7]
; SSE2-NEXT:    movdqa %xmm0, %xmm2
; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm7[4],xmm2[5],xmm7[5],xmm2[6],xmm7[6],xmm2[7],xmm7[7]
; SSE2-NEXT:    paddd %xmm5, %xmm2
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm11 = xmm11[0],xmm7[0],xmm11[1],xmm7[1],xmm11[2],xmm7[2],xmm11[3],xmm7[3]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm7[0],xmm0[1],xmm7[1],xmm0[2],xmm7[2],xmm0[3],xmm7[3]
; SSE2-NEXT:    paddd %xmm11, %xmm0
; SSE2-NEXT:    pcmpeqd %xmm5, %xmm5
; SSE2-NEXT:    psubd %xmm5, %xmm8
; SSE2-NEXT:    psubd %xmm5, %xmm3
; SSE2-NEXT:    psubd %xmm5, %xmm9
; SSE2-NEXT:    psubd %xmm5, %xmm12
; SSE2-NEXT:    psubd %xmm5, %xmm10
; SSE2-NEXT:    psubd %xmm5, %xmm4
; SSE2-NEXT:    psubd %xmm5, %xmm1
; SSE2-NEXT:    psubd %xmm5, %xmm13
; SSE2-NEXT:    psubd %xmm5, %xmm14
; SSE2-NEXT:    psubd %xmm5, %xmm6
; SSE2-NEXT:    psubd %xmm5, %xmm2
; SSE2-NEXT:    psubd %xmm5, %xmm0
; SSE2-NEXT:    psrld $1, %xmm3
; SSE2-NEXT:    psrld $1, %xmm8
; SSE2-NEXT:    movdqa {{.*#+}} xmm7 = [255,255,255,255]
; SSE2-NEXT:    pand %xmm7, %xmm8
; SSE2-NEXT:    pand %xmm7, %xmm3
; SSE2-NEXT:    packuswb %xmm8, %xmm3
; SSE2-NEXT:    psrld $1, %xmm12
; SSE2-NEXT:    psrld $1, %xmm9
; SSE2-NEXT:    pand %xmm7, %xmm9
; SSE2-NEXT:    pand %xmm7, %xmm12
; SSE2-NEXT:    packuswb %xmm9, %xmm12
; SSE2-NEXT:    packuswb %xmm3, %xmm12
; SSE2-NEXT:    psrld $1, %xmm4
; SSE2-NEXT:    psrld $1, %xmm10
; SSE2-NEXT:    pand %xmm7, %xmm10
; SSE2-NEXT:    pand %xmm7, %xmm4
; SSE2-NEXT:    packuswb %xmm10, %xmm4
; SSE2-NEXT:    psrld $1, %xmm13
; SSE2-NEXT:    psrld $1, %xmm1
; SSE2-NEXT:    pand %xmm7, %xmm1
; SSE2-NEXT:    pand %xmm7, %xmm13
; SSE2-NEXT:    packuswb %xmm1, %xmm13
; SSE2-NEXT:    packuswb %xmm4, %xmm13
; SSE2-NEXT:    psrld $1, %xmm6
; SSE2-NEXT:    psrld $1, %xmm14
; SSE2-NEXT:    pand %xmm7, %xmm14
; SSE2-NEXT:    pand %xmm7, %xmm6
; SSE2-NEXT:    packuswb %xmm14, %xmm6
; SSE2-NEXT:    psrld $1, %xmm0
; SSE2-NEXT:    psrld $1, %xmm2
; SSE2-NEXT:    pand %xmm7, %xmm2
; SSE2-NEXT:    pand %xmm7, %xmm0
; SSE2-NEXT:    packuswb %xmm2, %xmm0
; SSE2-NEXT:    packuswb %xmm6, %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    movdqu %xmm13, (%rax)
; SSE2-NEXT:    movdqu %xmm12, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v48i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rdi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX1-NEXT:    vmovdqa 32(%rdi), %xmm4
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm1[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm5 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm1[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm6 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm1[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm7 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm15 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm10 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm3 = xmm0[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm14 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm12 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm4[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm4[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm4[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
; AVX1-NEXT:    vmovdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm4
; AVX1-NEXT:    vmovdqa 32(%rsi), %xmm3
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm4[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm2, %xmm5, %xmm13
; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm4[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm5, %xmm6, %xmm11
; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm4[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm6, %xmm7, %xmm9
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm4, %xmm1, %xmm8
; AVX1-NEXT:    vpshufd {{.*#+}} xmm4 = xmm0[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm4 = xmm4[0],zero,zero,zero,xmm4[1],zero,zero,zero,xmm4[2],zero,zero,zero,xmm4[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm4, %xmm15, %xmm15
; AVX1-NEXT:    vpshufd {{.*#+}} xmm7 = xmm0[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm7 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero,xmm7[2],zero,zero,zero,xmm7[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm7, %xmm10, %xmm7
; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm0[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm2, %xmm14, %xmm14
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
; AVX1-NEXT:    vpaddd %xmm0, %xmm12, %xmm12
; AVX1-NEXT:    vpshufd {{.*#+}} xmm5 = xmm3[2,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm5 = xmm5[0],zero,zero,zero,xmm5[1],zero,zero,zero,xmm5[2],zero,zero,zero,xmm5[3],zero,zero,zero
; AVX1-NEXT:    vpaddd {{[-0-9]+}}(%r{{[sb]}}p), %xmm5, %xmm5 # 16-byte Folded Reload
; AVX1-NEXT:    vpshufd {{.*#+}} xmm6 = xmm3[3,3,0,1]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero
; AVX1-NEXT:    vpaddd {{[-0-9]+}}(%r{{[sb]}}p), %xmm6, %xmm6 # 16-byte Folded Reload
; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm3[1,1,2,3]
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
; AVX1-NEXT:    vpaddd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1, %xmm1 # 16-byte Folded Reload
; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero
; AVX1-NEXT:    vpaddd {{[-0-9]+}}(%r{{[sb]}}p), %xmm3, %xmm3 # 16-byte Folded Reload
; AVX1-NEXT:    vpcmpeqd %xmm4, %xmm4, %xmm4
; AVX1-NEXT:    vpsubd %xmm4, %xmm13, %xmm10
; AVX1-NEXT:    vpsubd %xmm4, %xmm11, %xmm11
; AVX1-NEXT:    vpsubd %xmm4, %xmm9, %xmm9
; AVX1-NEXT:    vpsubd %xmm4, %xmm8, %xmm8
; AVX1-NEXT:    vpsubd %xmm4, %xmm15, %xmm13
; AVX1-NEXT:    vpsubd %xmm4, %xmm7, %xmm7
; AVX1-NEXT:    vpsubd %xmm4, %xmm14, %xmm0
; AVX1-NEXT:    vpsubd %xmm4, %xmm12, %xmm2
; AVX1-NEXT:    vpsubd %xmm4, %xmm5, %xmm5
; AVX1-NEXT:    vpsubd %xmm4, %xmm6, %xmm6
; AVX1-NEXT:    vpsubd %xmm4, %xmm1, %xmm1
; AVX1-NEXT:    vpsubd %xmm4, %xmm3, %xmm3
; AVX1-NEXT:    vpsrld $1, %xmm3, %xmm3
; AVX1-NEXT:    vpsrld $1, %xmm1, %xmm1
; AVX1-NEXT:    vpackusdw %xmm1, %xmm3, %xmm1
; AVX1-NEXT:    vpsrld $1, %xmm6, %xmm3
; AVX1-NEXT:    vpsrld $1, %xmm5, %xmm4
; AVX1-NEXT:    vpackusdw %xmm3, %xmm4, %xmm3
; AVX1-NEXT:    vpsrld $1, %xmm2, %xmm2
; AVX1-NEXT:    vpsrld $1, %xmm0, %xmm0
; AVX1-NEXT:    vpackusdw %xmm0, %xmm2, %xmm0
; AVX1-NEXT:    vpsrld $1, %xmm7, %xmm2
; AVX1-NEXT:    vpsrld $1, %xmm13, %xmm4
; AVX1-NEXT:    vpackusdw %xmm2, %xmm4, %xmm2
; AVX1-NEXT:    vpsrld $1, %xmm8, %xmm4
; AVX1-NEXT:    vpsrld $1, %xmm9, %xmm5
; AVX1-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
; AVX1-NEXT:    vpsrld $1, %xmm11, %xmm5
; AVX1-NEXT:    vpsrld $1, %xmm10, %xmm6
; AVX1-NEXT:    vpackusdw %xmm5, %xmm6, %xmm5
; AVX1-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
; AVX1-NEXT:    vpand %xmm6, %xmm5, %xmm5
; AVX1-NEXT:    vpand %xmm6, %xmm4, %xmm4
; AVX1-NEXT:    vpackuswb %xmm5, %xmm4, %xmm4
; AVX1-NEXT:    vpand %xmm6, %xmm2, %xmm2
; AVX1-NEXT:    vpand %xmm6, %xmm0, %xmm0
; AVX1-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm0, %ymm0
; AVX1-NEXT:    vpand %xmm6, %xmm3, %xmm2
; AVX1-NEXT:    vpand %xmm6, %xmm1, %xmm1
; AVX1-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
; AVX1-NEXT:    vmovdqu %xmm1, (%rax)
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v48i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero,mem[4],zero,zero,zero,mem[5],zero,zero,zero,mem[6],zero,zero,zero,mem[7],zero,zero,zero
; AVX2-NEXT:    vpbroadcastq 24(%rdi), %ymm1
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm1 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero,xmm1[4],zero,zero,zero,xmm1[5],zero,zero,zero,xmm1[6],zero,zero,zero,xmm1[7],zero,zero,zero
; AVX2-NEXT:    vmovdqa (%rdi), %xmm2
; AVX2-NEXT:    vmovdqa 32(%rdi), %xmm3
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm4 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[2,3,0,1]
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm2 = xmm2[0],zero,zero,zero,xmm2[1],zero,zero,zero,xmm2[2],zero,zero,zero,xmm2[3],zero,zero,zero,xmm2[4],zero,zero,zero,xmm2[5],zero,zero,zero,xmm2[6],zero,zero,zero,xmm2[7],zero,zero,zero
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm5 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero,xmm3[4],zero,zero,zero,xmm3[5],zero,zero,zero,xmm3[6],zero,zero,zero,xmm3[7],zero,zero,zero
; AVX2-NEXT:    vpshufd {{.*#+}} xmm3 = xmm3[2,3,0,1]
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm3 = xmm3[0],zero,zero,zero,xmm3[1],zero,zero,zero,xmm3[2],zero,zero,zero,xmm3[3],zero,zero,zero,xmm3[4],zero,zero,zero,xmm3[5],zero,zero,zero,xmm3[6],zero,zero,zero,xmm3[7],zero,zero,zero
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm6 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero,mem[4],zero,zero,zero,mem[5],zero,zero,zero,mem[6],zero,zero,zero,mem[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm6, %ymm0, %ymm0
; AVX2-NEXT:    vpbroadcastq 24(%rsi), %ymm6
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm6, %ymm1, %ymm1
; AVX2-NEXT:    vmovdqa (%rsi), %xmm6
; AVX2-NEXT:    vmovdqa 32(%rsi), %xmm7
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm8 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm8, %ymm4, %ymm4
; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm6[2,3,0,1]
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm6, %ymm2, %ymm2
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm6 = xmm7[0],zero,zero,zero,xmm7[1],zero,zero,zero,xmm7[2],zero,zero,zero,xmm7[3],zero,zero,zero,xmm7[4],zero,zero,zero,xmm7[5],zero,zero,zero,xmm7[6],zero,zero,zero,xmm7[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm6, %ymm5, %ymm5
; AVX2-NEXT:    vpshufd {{.*#+}} xmm6 = xmm7[2,3,0,1]
; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm6 = xmm6[0],zero,zero,zero,xmm6[1],zero,zero,zero,xmm6[2],zero,zero,zero,xmm6[3],zero,zero,zero,xmm6[4],zero,zero,zero,xmm6[5],zero,zero,zero,xmm6[6],zero,zero,zero,xmm6[7],zero,zero,zero
; AVX2-NEXT:    vpaddd %ymm6, %ymm3, %ymm3
; AVX2-NEXT:    vpcmpeqd %ymm6, %ymm6, %ymm6
; AVX2-NEXT:    vpsubd %ymm6, %ymm0, %ymm7
; AVX2-NEXT:    vpsubd %ymm6, %ymm1, %ymm1
; AVX2-NEXT:    vpsubd %ymm6, %ymm4, %ymm4
; AVX2-NEXT:    vpsubd %ymm6, %ymm2, %ymm2
; AVX2-NEXT:    vpsubd %ymm6, %ymm5, %ymm5
; AVX2-NEXT:    vpsubd %ymm6, %ymm3, %ymm0
; AVX2-NEXT:    vpsrld $1, %ymm0, %ymm0
; AVX2-NEXT:    vpsrld $1, %ymm5, %ymm3
; AVX2-NEXT:    vpsrld $1, %ymm2, %ymm2
; AVX2-NEXT:    vpsrld $1, %ymm4, %ymm4
; AVX2-NEXT:    vpsrld $1, %ymm1, %ymm1
; AVX2-NEXT:    vpsrld $1, %ymm7, %ymm5
; AVX2-NEXT:    vextracti128 $1, %ymm5, %xmm6
; AVX2-NEXT:    vpackusdw %xmm6, %xmm5, %xmm5
; AVX2-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
; AVX2-NEXT:    vpand %xmm6, %xmm5, %xmm5
; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm7
; AVX2-NEXT:    vpackusdw %xmm7, %xmm1, %xmm1
; AVX2-NEXT:    vpand %xmm6, %xmm1, %xmm1
; AVX2-NEXT:    vpackuswb %xmm1, %xmm5, %xmm1
; AVX2-NEXT:    vextracti128 $1, %ymm4, %xmm5
; AVX2-NEXT:    vpackusdw %xmm5, %xmm4, %xmm4
; AVX2-NEXT:    vpand %xmm6, %xmm4, %xmm4
; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm5
; AVX2-NEXT:    vpackusdw %xmm5, %xmm2, %xmm2
; AVX2-NEXT:    vpand %xmm6, %xmm2, %xmm2
; AVX2-NEXT:    vpackuswb %xmm2, %xmm4, %xmm2
; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm2, %ymm1
; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm2
; AVX2-NEXT:    vpackusdw %xmm2, %xmm3, %xmm2
; AVX2-NEXT:    vpand %xmm6, %xmm2, %xmm2
; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm3
; AVX2-NEXT:    vpackusdw %xmm3, %xmm0, %xmm0
; AVX2-NEXT:    vpand %xmm6, %xmm0, %xmm0
; AVX2-NEXT:    vpackuswb %xmm0, %xmm2, %xmm0
; AVX2-NEXT:    vmovdqu %xmm0, (%rax)
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v48i8:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vmovdqa (%rdi), %xmm0
; AVX512F-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX512F-NEXT:    vmovdqa 32(%rdi), %xmm2
; AVX512F-NEXT:    vpavgb 16(%rsi), %xmm1, %xmm1
; AVX512F-NEXT:    vpavgb (%rsi), %xmm0, %xmm0
; AVX512F-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512F-NEXT:    vpavgb 32(%rsi), %xmm2, %xmm1
; AVX512F-NEXT:    vmovdqu %xmm1, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v48i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa (%rdi), %xmm0
; AVX512BW-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX512BW-NEXT:    vmovdqa 32(%rdi), %xmm2
; AVX512BW-NEXT:    vpavgb 16(%rsi), %xmm1, %xmm1
; AVX512BW-NEXT:    vpavgb (%rsi), %xmm0, %xmm0
; AVX512BW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
; AVX512BW-NEXT:    vpavgb 32(%rsi), %xmm2, %xmm1
; AVX512BW-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm1
; AVX512BW-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512BW-NEXT:    vextracti32x4 $2, %zmm1, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <48 x i8>, <48 x i8>* %a
  %2 = load <48 x i8>, <48 x i8>* %b
  %3 = zext <48 x i8> %1 to <48 x i32>
  %4 = zext <48 x i8> %2 to <48 x i32>
  %5 = add nuw nsw <48 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <48 x i32> %5, %4
  %7 = lshr <48 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <48 x i32> %7 to <48 x i8>
  store <48 x i8> %8, <48 x i8>* undef, align 4
  ret void
}

define void @avg_v64i8(<64 x i8>* %a, <64 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v64i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    movdqa 16(%rsi), %xmm1
; SSE2-NEXT:    movdqa 32(%rsi), %xmm2
; SSE2-NEXT:    movdqa 48(%rsi), %xmm3
; SSE2-NEXT:    pavgb (%rdi), %xmm0
; SSE2-NEXT:    pavgb 16(%rdi), %xmm1
; SSE2-NEXT:    pavgb 32(%rdi), %xmm2
; SSE2-NEXT:    pavgb 48(%rdi), %xmm3
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v64i8:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm1
; AVX1-NEXT:    vmovdqa 32(%rsi), %xmm2
; AVX1-NEXT:    vmovdqa 48(%rsi), %xmm3
; AVX1-NEXT:    vpavgb 16(%rdi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgb (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vpavgb 48(%rdi), %xmm3, %xmm1
; AVX1-NEXT:    vpavgb 32(%rdi), %xmm2, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v64i8:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rsi), %ymm0
; AVX2-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX2-NEXT:    vpavgb (%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vpavgb 32(%rdi), %ymm1, %ymm1
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v64i8:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vmovdqa (%rsi), %ymm0
; AVX512F-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX512F-NEXT:    vpavgb (%rdi), %ymm0, %ymm0
; AVX512F-NEXT:    vpavgb 32(%rdi), %ymm1, %ymm1
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v64i8:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rsi), %zmm0
; AVX512BW-NEXT:    vpavgb (%rdi), %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <64 x i8>, <64 x i8>* %a
  %2 = load <64 x i8>, <64 x i8>* %b
  %3 = zext <64 x i8> %1 to <64 x i32>
  %4 = zext <64 x i8> %2 to <64 x i32>
  %5 = add nuw nsw <64 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <64 x i32> %5, %4
  %7 = lshr <64 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <64 x i32> %7 to <64 x i8>
  store <64 x i8> %8, <64 x i8>* undef, align 4
  ret void
}

define void @avg_v4i16(<4 x i16>* %a, <4 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v4i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    movq {{.*#+}} xmm1 = mem[0],zero
; SSE2-NEXT:    pavgw %xmm0, %xmm1
; SSE2-NEXT:    movq %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vmovq {{.*#+}} xmm1 = mem[0],zero
; AVX-NEXT:    vpavgw %xmm0, %xmm1, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i16>, <4 x i16>* %a
  %2 = load <4 x i16>, <4 x i16>* %b
  %3 = zext <4 x i16> %1 to <4 x i32>
  %4 = zext <4 x i16> %2 to <4 x i32>
  %5 = add nuw nsw <4 x i32> %3, <i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <4 x i32> %5, %4
  %7 = lshr <4 x i32> %6, <i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <4 x i32> %7 to <4 x i16>
  store <4 x i16> %8, <4 x i16>* undef, align 4
  ret void
}

define void @avg_v8i16(<8 x i16>* %a, <8 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v8i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    pavgw (%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i16:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rsi), %xmm0
; AVX-NEXT:    vpavgw (%rdi), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i16>, <8 x i16>* %a
  %2 = load <8 x i16>, <8 x i16>* %b
  %3 = zext <8 x i16> %1 to <8 x i32>
  %4 = zext <8 x i16> %2 to <8 x i32>
  %5 = add nuw nsw <8 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <8 x i32> %5, %4
  %7 = lshr <8 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <8 x i32> %7 to <8 x i16>
  store <8 x i16> %8, <8 x i16>* undef, align 4
  ret void
}

define void @avg_v16i16(<16 x i16>* %a, <16 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v16i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    movdqa 16(%rsi), %xmm1
; SSE2-NEXT:    pavgw (%rdi), %xmm0
; SSE2-NEXT:    pavgw 16(%rdi), %xmm1
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v16i16:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm1
; AVX1-NEXT:    vpavgw 16(%rdi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgw (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v16i16:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rsi), %ymm0
; AVX2-NEXT:    vpavgw (%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v16i16:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rsi), %ymm0
; AVX512-NEXT:    vpavgw (%rdi), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <16 x i16>, <16 x i16>* %a
  %2 = load <16 x i16>, <16 x i16>* %b
  %3 = zext <16 x i16> %1 to <16 x i32>
  %4 = zext <16 x i16> %2 to <16 x i32>
  %5 = add nuw nsw <16 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <16 x i32> %5, %4
  %7 = lshr <16 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <16 x i32> %7 to <16 x i16>
  store <16 x i16> %8, <16 x i16>* undef, align 4
  ret void
}

define void @avg_v32i16(<32 x i16>* %a, <32 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v32i16:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    movdqa 16(%rsi), %xmm1
; SSE2-NEXT:    movdqa 32(%rsi), %xmm2
; SSE2-NEXT:    movdqa 48(%rsi), %xmm3
; SSE2-NEXT:    pavgw (%rdi), %xmm0
; SSE2-NEXT:    pavgw 16(%rdi), %xmm1
; SSE2-NEXT:    pavgw 32(%rdi), %xmm2
; SSE2-NEXT:    pavgw 48(%rdi), %xmm3
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i16:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm1
; AVX1-NEXT:    vmovdqa 32(%rsi), %xmm2
; AVX1-NEXT:    vmovdqa 48(%rsi), %xmm3
; AVX1-NEXT:    vpavgw 16(%rdi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgw (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vpavgw 48(%rdi), %xmm3, %xmm1
; AVX1-NEXT:    vpavgw 32(%rdi), %xmm2, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i16:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rsi), %ymm0
; AVX2-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX2-NEXT:    vpavgw (%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vpavgw 32(%rdi), %ymm1, %ymm1
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v32i16:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vmovdqa (%rsi), %ymm0
; AVX512F-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX512F-NEXT:    vpavgw (%rdi), %ymm0, %ymm0
; AVX512F-NEXT:    vpavgw 32(%rdi), %ymm1, %ymm1
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v32i16:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rsi), %zmm0
; AVX512BW-NEXT:    vpavgw (%rdi), %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <32 x i16>, <32 x i16>* %a
  %2 = load <32 x i16>, <32 x i16>* %b
  %3 = zext <32 x i16> %1 to <32 x i32>
  %4 = zext <32 x i16> %2 to <32 x i32>
  %5 = add nuw nsw <32 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %6 = add nuw nsw <32 x i32> %5, %4
  %7 = lshr <32 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <32 x i32> %7 to <32 x i16>
  store <32 x i16> %8, <32 x i16>* undef, align 4
  ret void
}

define void @avg_v4i8_2(<4 x i8>* %a, <4 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v4i8_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT:    movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    movd %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i8_2:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; AVX-NEXT:    vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; AVX-NEXT:    vpavgb %xmm1, %xmm0, %xmm0
; AVX-NEXT:    vmovd %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i8>, <4 x i8>* %a
  %2 = load <4 x i8>, <4 x i8>* %b
  %3 = zext <4 x i8> %1 to <4 x i32>
  %4 = zext <4 x i8> %2 to <4 x i32>
  %5 = add nuw nsw <4 x i32> %3, %4
  %6 = add nuw nsw <4 x i32> %5, <i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <4 x i32> %6, <i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <4 x i32> %7 to <4 x i8>
  store <4 x i8> %8, <4 x i8>* undef, align 4
  ret void
}

define void @avg_v8i8_2(<8 x i8>* %a, <8 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v8i8_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    movq {{.*#+}} xmm1 = mem[0],zero
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    movq %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i8_2:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vmovq {{.*#+}} xmm1 = mem[0],zero
; AVX-NEXT:    vpavgb %xmm1, %xmm0, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i8>, <8 x i8>* %a
  %2 = load <8 x i8>, <8 x i8>* %b
  %3 = zext <8 x i8> %1 to <8 x i32>
  %4 = zext <8 x i8> %2 to <8 x i32>
  %5 = add nuw nsw <8 x i32> %3, %4
  %6 = add nuw nsw <8 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <8 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <8 x i32> %7 to <8 x i8>
  store <8 x i8> %8, <8 x i8>* undef, align 4
  ret void
}

define void @avg_v16i8_2(<16 x i8>* %a, <16 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v16i8_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    pavgb (%rsi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v16i8_2:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rdi), %xmm0
; AVX-NEXT:    vpavgb (%rsi), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <16 x i8>, <16 x i8>* %a
  %2 = load <16 x i8>, <16 x i8>* %b
  %3 = zext <16 x i8> %1 to <16 x i32>
  %4 = zext <16 x i8> %2 to <16 x i32>
  %5 = add nuw nsw <16 x i32> %3, %4
  %6 = add nuw nsw <16 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <16 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <16 x i32> %7 to <16 x i8>
  store <16 x i8> %8, <16 x i8>* undef, align 4
  ret void
}

define void @avg_v32i8_2(<32 x i8>* %a, <32 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v32i8_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    movdqa 16(%rdi), %xmm1
; SSE2-NEXT:    pavgb (%rsi), %xmm0
; SSE2-NEXT:    pavgb 16(%rsi), %xmm1
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i8_2:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rdi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX1-NEXT:    vpavgb 16(%rsi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgb (%rsi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i8_2:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
; AVX2-NEXT:    vpavgb (%rsi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v32i8_2:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rdi), %ymm0
; AVX512-NEXT:    vpavgb (%rsi), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <32 x i8>, <32 x i8>* %a
  %2 = load <32 x i8>, <32 x i8>* %b
  %3 = zext <32 x i8> %1 to <32 x i32>
  %4 = zext <32 x i8> %2 to <32 x i32>
  %5 = add nuw nsw <32 x i32> %3, %4
  %6 = add nuw nsw <32 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <32 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <32 x i32> %7 to <32 x i8>
  store <32 x i8> %8, <32 x i8>* undef, align 4
  ret void
}

define void @avg_v64i8_2(<64 x i8>* %a, <64 x i8>* %b) nounwind {
; SSE2-LABEL: avg_v64i8_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rsi), %xmm0
; SSE2-NEXT:    movdqa 16(%rsi), %xmm1
; SSE2-NEXT:    movdqa 32(%rsi), %xmm2
; SSE2-NEXT:    movdqa 48(%rsi), %xmm3
; SSE2-NEXT:    pavgb %xmm0, %xmm0
; SSE2-NEXT:    pavgb %xmm1, %xmm1
; SSE2-NEXT:    pavgb %xmm2, %xmm2
; SSE2-NEXT:    pavgb %xmm3, %xmm3
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v64i8_2:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rsi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rsi), %xmm1
; AVX1-NEXT:    vmovdqa 32(%rsi), %xmm2
; AVX1-NEXT:    vmovdqa 48(%rsi), %xmm3
; AVX1-NEXT:    vpavgb %xmm0, %xmm0, %xmm0
; AVX1-NEXT:    vpavgb %xmm1, %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vpavgb %xmm2, %xmm2, %xmm1
; AVX1-NEXT:    vpavgb %xmm3, %xmm3, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v64i8_2:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rsi), %ymm0
; AVX2-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX2-NEXT:    vpavgb %ymm0, %ymm0, %ymm0
; AVX2-NEXT:    vpavgb %ymm1, %ymm1, %ymm1
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v64i8_2:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vmovdqa (%rsi), %ymm0
; AVX512F-NEXT:    vmovdqa 32(%rsi), %ymm1
; AVX512F-NEXT:    vpavgb %ymm0, %ymm0, %ymm0
; AVX512F-NEXT:    vpavgb %ymm1, %ymm1, %ymm1
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v64i8_2:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rsi), %zmm0
; AVX512BW-NEXT:    vpavgb %zmm0, %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <64 x i8>, <64 x i8>* %a
  %2 = load <64 x i8>, <64 x i8>* %b
  %3 = zext <64 x i8> %1 to <64 x i32>
  %4 = zext <64 x i8> %2 to <64 x i32>
  %5 = add nuw nsw <64 x i32> %4, %4
  %6 = add nuw nsw <64 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <64 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <64 x i32> %7 to <64 x i8>
  store <64 x i8> %8, <64 x i8>* undef, align 4
  ret void
}


define void @avg_v4i16_2(<4 x i16>* %a, <4 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v4i16_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    movq {{.*#+}} xmm1 = mem[0],zero
; SSE2-NEXT:    pavgw %xmm0, %xmm1
; SSE2-NEXT:    movq %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i16_2:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vmovq {{.*#+}} xmm1 = mem[0],zero
; AVX-NEXT:    vpavgw %xmm1, %xmm0, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i16>, <4 x i16>* %a
  %2 = load <4 x i16>, <4 x i16>* %b
  %3 = zext <4 x i16> %1 to <4 x i32>
  %4 = zext <4 x i16> %2 to <4 x i32>
  %5 = add nuw nsw <4 x i32> %3, %4
  %6 = add nuw nsw <4 x i32> %5, <i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <4 x i32> %6, <i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <4 x i32> %7 to <4 x i16>
  store <4 x i16> %8, <4 x i16>* undef, align 4
  ret void
}

define void @avg_v8i16_2(<8 x i16>* %a, <8 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v8i16_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    pavgw (%rsi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i16_2:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rdi), %xmm0
; AVX-NEXT:    vpavgw (%rsi), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i16>, <8 x i16>* %a
  %2 = load <8 x i16>, <8 x i16>* %b
  %3 = zext <8 x i16> %1 to <8 x i32>
  %4 = zext <8 x i16> %2 to <8 x i32>
  %5 = add nuw nsw <8 x i32> %3, %4
  %6 = add nuw nsw <8 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <8 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <8 x i32> %7 to <8 x i16>
  store <8 x i16> %8, <8 x i16>* undef, align 4
  ret void
}

define void @avg_v16i16_2(<16 x i16>* %a, <16 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v16i16_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    movdqa 16(%rdi), %xmm1
; SSE2-NEXT:    pavgw (%rsi), %xmm0
; SSE2-NEXT:    pavgw 16(%rsi), %xmm1
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v16i16_2:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rdi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX1-NEXT:    vpavgw 16(%rsi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgw (%rsi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v16i16_2:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
; AVX2-NEXT:    vpavgw (%rsi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v16i16_2:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rdi), %ymm0
; AVX512-NEXT:    vpavgw (%rsi), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <16 x i16>, <16 x i16>* %a
  %2 = load <16 x i16>, <16 x i16>* %b
  %3 = zext <16 x i16> %1 to <16 x i32>
  %4 = zext <16 x i16> %2 to <16 x i32>
  %5 = add nuw nsw <16 x i32> %3, %4
  %6 = add nuw nsw <16 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <16 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <16 x i32> %7 to <16 x i16>
  store <16 x i16> %8, <16 x i16>* undef, align 4
  ret void
}

define void @avg_v32i16_2(<32 x i16>* %a, <32 x i16>* %b) nounwind {
; SSE2-LABEL: avg_v32i16_2:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    movdqa 16(%rdi), %xmm1
; SSE2-NEXT:    movdqa 32(%rdi), %xmm2
; SSE2-NEXT:    movdqa 48(%rdi), %xmm3
; SSE2-NEXT:    pavgw (%rsi), %xmm0
; SSE2-NEXT:    pavgw 16(%rsi), %xmm1
; SSE2-NEXT:    pavgw 32(%rsi), %xmm2
; SSE2-NEXT:    pavgw 48(%rsi), %xmm3
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i16_2:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa (%rdi), %xmm0
; AVX1-NEXT:    vmovdqa 16(%rdi), %xmm1
; AVX1-NEXT:    vmovdqa 32(%rdi), %xmm2
; AVX1-NEXT:    vmovdqa 48(%rdi), %xmm3
; AVX1-NEXT:    vpavgw 16(%rsi), %xmm1, %xmm1
; AVX1-NEXT:    vpavgw (%rsi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vpavgw 48(%rsi), %xmm3, %xmm1
; AVX1-NEXT:    vpavgw 32(%rsi), %xmm2, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i16_2:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
; AVX2-NEXT:    vmovdqa 32(%rdi), %ymm1
; AVX2-NEXT:    vpavgw (%rsi), %ymm0, %ymm0
; AVX2-NEXT:    vpavgw 32(%rsi), %ymm1, %ymm1
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v32i16_2:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vmovdqa (%rdi), %ymm0
; AVX512F-NEXT:    vmovdqa 32(%rdi), %ymm1
; AVX512F-NEXT:    vpavgw (%rsi), %ymm0, %ymm0
; AVX512F-NEXT:    vpavgw 32(%rsi), %ymm1, %ymm1
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v32i16_2:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rdi), %zmm0
; AVX512BW-NEXT:    vpavgw (%rsi), %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <32 x i16>, <32 x i16>* %a
  %2 = load <32 x i16>, <32 x i16>* %b
  %3 = zext <32 x i16> %1 to <32 x i32>
  %4 = zext <32 x i16> %2 to <32 x i32>
  %5 = add nuw nsw <32 x i32> %3, %4
  %6 = add nuw nsw <32 x i32> %5, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %7 = lshr <32 x i32> %6, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %8 = trunc <32 x i32> %7 to <32 x i16>
  store <32 x i16> %8, <32 x i16>* undef, align 4
  ret void
}

define void @avg_v4i8_const(<4 x i8>* %a) nounwind {
; SSE2-LABEL: avg_v4i8_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT:    pavgb {{.*}}(%rip), %xmm0
; SSE2-NEXT:    movd %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i8_const:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; AVX-NEXT:    vpavgb {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    vmovd %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i8>, <4 x i8>* %a
  %2 = zext <4 x i8> %1 to <4 x i32>
  %3 = add nuw nsw <4 x i32> %2, <i32 1, i32 2, i32 3, i32 4>
  %4 = lshr <4 x i32> %3, <i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <4 x i32> %4 to <4 x i8>
  store <4 x i8> %5, <4 x i8>* undef, align 4
  ret void
}

define void @avg_v8i8_const(<8 x i8>* %a) nounwind {
; SSE2-LABEL: avg_v8i8_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    pavgb {{.*}}(%rip), %xmm0
; SSE2-NEXT:    movq %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i8_const:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vpavgb {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i8>, <8 x i8>* %a
  %2 = zext <8 x i8> %1 to <8 x i32>
  %3 = add nuw nsw <8 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <8 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <8 x i32> %4 to <8 x i8>
  store <8 x i8> %5, <8 x i8>* undef, align 4
  ret void
}

define void @avg_v16i8_const(<16 x i8>* %a) nounwind {
; SSE2-LABEL: avg_v16i8_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    pavgb {{.*}}(%rip), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v16i8_const:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rdi), %xmm0
; AVX-NEXT:    vpavgb {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <16 x i8>, <16 x i8>* %a
  %2 = zext <16 x i8> %1 to <16 x i32>
  %3 = add nuw nsw <16 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <16 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <16 x i32> %4 to <16 x i8>
  store <16 x i8> %5, <16 x i8>* undef, align 4
  ret void
}

define void @avg_v32i8_const(<32 x i8>* %a) nounwind {
; SSE2-LABEL: avg_v32i8_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
; SSE2-NEXT:    movdqa (%rdi), %xmm1
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    pavgb 16(%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i8_const:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovddup {{.*#+}} xmm0 = [7.9499288951273625E-275,7.9499288951273625E-275]
; AVX1-NEXT:    # xmm0 = mem[0,0]
; AVX1-NEXT:    vpavgb 16(%rdi), %xmm0, %xmm1
; AVX1-NEXT:    vpavgb (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i8_const:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
; AVX2-NEXT:    vpavgb {{.*}}(%rip), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v32i8_const:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rdi), %ymm0
; AVX512-NEXT:    vpavgb {{.*}}(%rip), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <32 x i8>, <32 x i8>* %a
  %2 = zext <32 x i8> %1 to <32 x i32>
  %3 = add nuw nsw <32 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <32 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <32 x i32> %4 to <32 x i8>
  store <32 x i8> %5, <32 x i8>* undef, align 4
  ret void
}

define void @avg_v64i8_const(<64 x i8>* %a) nounwind {
; SSE2-LABEL: avg_v64i8_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
; SSE2-NEXT:    movdqa (%rdi), %xmm1
; SSE2-NEXT:    pavgb %xmm0, %xmm1
; SSE2-NEXT:    movdqa 16(%rdi), %xmm2
; SSE2-NEXT:    pavgb %xmm0, %xmm2
; SSE2-NEXT:    movdqa 32(%rdi), %xmm3
; SSE2-NEXT:    pavgb %xmm0, %xmm3
; SSE2-NEXT:    pavgb 48(%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v64i8_const:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovddup {{.*#+}} xmm0 = [7.9499288951273625E-275,7.9499288951273625E-275]
; AVX1-NEXT:    # xmm0 = mem[0,0]
; AVX1-NEXT:    vpavgb 16(%rdi), %xmm0, %xmm1
; AVX1-NEXT:    vpavgb (%rdi), %xmm0, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
; AVX1-NEXT:    vpavgb 48(%rdi), %xmm0, %xmm2
; AVX1-NEXT:    vpavgb 32(%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v64i8_const:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm0 = [506097522914230528,506097522914230528,506097522914230528,506097522914230528]
; AVX2-NEXT:    vpavgb (%rdi), %ymm0, %ymm1
; AVX2-NEXT:    vpavgb 32(%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v64i8_const:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vpbroadcastq {{.*#+}} ymm0 = [506097522914230528,506097522914230528,506097522914230528,506097522914230528]
; AVX512F-NEXT:    vpavgb (%rdi), %ymm0, %ymm1
; AVX512F-NEXT:    vpavgb 32(%rdi), %ymm0, %ymm0
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v64i8_const:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rdi), %zmm0
; AVX512BW-NEXT:    vpavgb {{.*}}(%rip), %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <64 x i8>, <64 x i8>* %a
  %2 = zext <64 x i8> %1 to <64 x i32>
  %3 = add nuw nsw <64 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <64 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <64 x i32> %4 to <64 x i8>
  store <64 x i8> %5, <64 x i8>* undef, align 4
  ret void
}

define void @avg_v4i16_const(<4 x i16>* %a) nounwind {
; SSE2-LABEL: avg_v4i16_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT:    pavgw {{.*}}(%rip), %xmm0
; SSE2-NEXT:    movq %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v4i16_const:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovq {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT:    vpavgw {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    vmovq %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <4 x i16>, <4 x i16>* %a
  %2 = zext <4 x i16> %1 to <4 x i32>
  %3 = add nuw nsw <4 x i32> %2, <i32 1, i32 2, i32 3, i32 4>
  %4 = lshr <4 x i32> %3, <i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <4 x i32> %4 to <4 x i16>
  store <4 x i16> %5, <4 x i16>* undef, align 4
  ret void
}

define void @avg_v8i16_const(<8 x i16>* %a) nounwind {
; SSE2-LABEL: avg_v8i16_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa (%rdi), %xmm0
; SSE2-NEXT:    pavgw {{.*}}(%rip), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v8i16_const:
; AVX:       # %bb.0:
; AVX-NEXT:    vmovdqa (%rdi), %xmm0
; AVX-NEXT:    vpavgw {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT:    vmovdqu %xmm0, (%rax)
; AVX-NEXT:    retq
  %1 = load <8 x i16>, <8 x i16>* %a
  %2 = zext <8 x i16> %1 to <8 x i32>
  %3 = add nuw nsw <8 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <8 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <8 x i32> %4 to <8 x i16>
  store <8 x i16> %5, <8 x i16>* undef, align 4
  ret void
}

define void @avg_v16i16_const(<16 x i16>* %a) nounwind {
; SSE2-LABEL: avg_v16i16_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7]
; SSE2-NEXT:    movdqa (%rdi), %xmm1
; SSE2-NEXT:    pavgw %xmm0, %xmm1
; SSE2-NEXT:    pavgw 16(%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v16i16_const:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7]
; AVX1-NEXT:    vpavgw 16(%rdi), %xmm0, %xmm1
; AVX1-NEXT:    vpavgw (%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v16i16_const:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vmovdqa (%rdi), %ymm0
; AVX2-NEXT:    vpavgw {{.*}}(%rip), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v16i16_const:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vmovdqa (%rdi), %ymm0
; AVX512-NEXT:    vpavgw {{.*}}(%rip), %ymm0, %ymm0
; AVX512-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <16 x i16>, <16 x i16>* %a
  %2 = zext <16 x i16> %1 to <16 x i32>
  %3 = add nuw nsw <16 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <16 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <16 x i32> %4 to <16 x i16>
  store <16 x i16> %5, <16 x i16>* undef, align 4
  ret void
}

define void @avg_v32i16_const(<32 x i16>* %a) nounwind {
; SSE2-LABEL: avg_v32i16_const:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7]
; SSE2-NEXT:    movdqa (%rdi), %xmm1
; SSE2-NEXT:    pavgw %xmm0, %xmm1
; SSE2-NEXT:    movdqa 16(%rdi), %xmm2
; SSE2-NEXT:    pavgw %xmm0, %xmm2
; SSE2-NEXT:    movdqa 32(%rdi), %xmm3
; SSE2-NEXT:    pavgw %xmm0, %xmm3
; SSE2-NEXT:    pavgw 48(%rdi), %xmm0
; SSE2-NEXT:    movdqu %xmm0, (%rax)
; SSE2-NEXT:    movdqu %xmm3, (%rax)
; SSE2-NEXT:    movdqu %xmm2, (%rax)
; SSE2-NEXT:    movdqu %xmm1, (%rax)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i16_const:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vmovdqa {{.*#+}} xmm0 = [0,1,2,3,4,5,6,7]
; AVX1-NEXT:    vpavgw 16(%rdi), %xmm0, %xmm1
; AVX1-NEXT:    vpavgw (%rdi), %xmm0, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
; AVX1-NEXT:    vpavgw 48(%rdi), %xmm0, %xmm2
; AVX1-NEXT:    vpavgw 32(%rdi), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT:    vmovups %ymm0, (%rax)
; AVX1-NEXT:    vmovups %ymm1, (%rax)
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i16_const:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vbroadcasti128 {{.*#+}} ymm0 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
; AVX2-NEXT:    # ymm0 = mem[0,1,0,1]
; AVX2-NEXT:    vpavgw (%rdi), %ymm0, %ymm1
; AVX2-NEXT:    vpavgw 32(%rdi), %ymm0, %ymm0
; AVX2-NEXT:    vmovdqu %ymm0, (%rax)
; AVX2-NEXT:    vmovdqu %ymm1, (%rax)
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v32i16_const:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vbroadcasti128 {{.*#+}} ymm0 = [0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7]
; AVX512F-NEXT:    # ymm0 = mem[0,1,0,1]
; AVX512F-NEXT:    vpavgw (%rdi), %ymm0, %ymm1
; AVX512F-NEXT:    vpavgw 32(%rdi), %ymm0, %ymm0
; AVX512F-NEXT:    vmovdqu %ymm0, (%rax)
; AVX512F-NEXT:    vmovdqu %ymm1, (%rax)
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v32i16_const:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vmovdqa64 (%rdi), %zmm0
; AVX512BW-NEXT:    vpavgw {{.*}}(%rip), %zmm0, %zmm0
; AVX512BW-NEXT:    vmovdqu64 %zmm0, (%rax)
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %1 = load <32 x i16>, <32 x i16>* %a
  %2 = zext <32 x i16> %1 to <32 x i32>
  %3 = add nuw nsw <32 x i32> %2, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
  %4 = lshr <32 x i32> %3, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %5 = trunc <32 x i32> %4 to <32 x i16>
  store <32 x i16> %5, <32 x i16>* undef, align 4
  ret void
}

define <16 x i8> @avg_v16i8_3(<16 x i8> %a, <16 x i8> %b) nounwind {
; SSE2-LABEL: avg_v16i8_3:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pavgb %xmm1, %xmm0
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v16i8_3:
; AVX:       # %bb.0:
; AVX-NEXT:    vpavgb %xmm1, %xmm0, %xmm0
; AVX-NEXT:    retq
  %za = zext <16 x i8> %a to <16 x i16>
  %zb = zext <16 x i8> %b to <16 x i16>
  %add = add nuw nsw <16 x i16> %za, %zb
  %add1 = add nuw nsw <16 x i16> %add, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %lshr = lshr <16 x i16> %add1, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %res = trunc <16 x i16> %lshr to <16 x i8>
  ret <16 x i8> %res
}

define <32 x i8> @avg_v32i8_3(<32 x i8> %a, <32 x i8> %b) nounwind {
; SSE2-LABEL: avg_v32i8_3:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pavgb %xmm2, %xmm0
; SSE2-NEXT:    pavgb %xmm3, %xmm1
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v32i8_3:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm3
; AVX1-NEXT:    vpavgb %xmm2, %xmm3, %xmm2
; AVX1-NEXT:    vpavgb %xmm1, %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v32i8_3:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpavgb %ymm1, %ymm0, %ymm0
; AVX2-NEXT:    retq
;
; AVX512-LABEL: avg_v32i8_3:
; AVX512:       # %bb.0:
; AVX512-NEXT:    vpavgb %ymm1, %ymm0, %ymm0
; AVX512-NEXT:    retq
  %za = zext <32 x i8> %a to <32 x i16>
  %zb = zext <32 x i8> %b to <32 x i16>
  %add = add nuw nsw <32 x i16> %za, %zb
  %add1 = add nuw nsw <32 x i16> %add, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %lshr = lshr <32 x i16> %add1, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %res = trunc <32 x i16> %lshr to <32 x i8>
  ret <32 x i8> %res
}

define <64 x i8> @avg_v64i8_3(<64 x i8> %a, <64 x i8> %b) nounwind {
; SSE2-LABEL: avg_v64i8_3:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pavgb %xmm4, %xmm0
; SSE2-NEXT:    pavgb %xmm5, %xmm1
; SSE2-NEXT:    pavgb %xmm6, %xmm2
; SSE2-NEXT:    pavgb %xmm7, %xmm3
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v64i8_3:
; AVX1:       # %bb.0:
; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm4
; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm5
; AVX1-NEXT:    vpavgb %xmm4, %xmm5, %xmm4
; AVX1-NEXT:    vpavgb %xmm2, %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm0, %ymm0
; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm2
; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm4
; AVX1-NEXT:    vpavgb %xmm2, %xmm4, %xmm2
; AVX1-NEXT:    vpavgb %xmm3, %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v64i8_3:
; AVX2:       # %bb.0:
; AVX2-NEXT:    vpavgb %ymm2, %ymm0, %ymm0
; AVX2-NEXT:    vpavgb %ymm3, %ymm1, %ymm1
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v64i8_3:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    vpavgb %ymm2, %ymm0, %ymm0
; AVX512F-NEXT:    vpavgb %ymm3, %ymm1, %ymm1
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v64i8_3:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    vpavgb %zmm1, %zmm0, %zmm0
; AVX512BW-NEXT:    retq
  %za = zext <64 x i8> %a to <64 x i16>
  %zb = zext <64 x i8> %b to <64 x i16>
  %add = add nuw nsw <64 x i16> %za, %zb
  %add1 = add nuw nsw <64 x i16> %add, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %lshr = lshr <64 x i16> %add1, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %res = trunc <64 x i16> %lshr to <64 x i8>
  ret <64 x i8> %res
}

define <512 x i8> @avg_v512i8_3(<512 x i8> %a, <512 x i8> %b) nounwind {
; SSE2-LABEL: avg_v512i8_3:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movq %rdi, %rax
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 496(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 480(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 464(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 448(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 432(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 416(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 400(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 384(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 368(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 352(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 336(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 320(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 304(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 288(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 272(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 256(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 240(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 224(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 208(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 192(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 176(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 160(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 144(%rdi)
; SSE2-NEXT:    movdqa {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm8
; SSE2-NEXT:    movdqa %xmm8, 128(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm7
; SSE2-NEXT:    movdqa %xmm7, 112(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm6
; SSE2-NEXT:    movdqa %xmm6, 96(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm5
; SSE2-NEXT:    movdqa %xmm5, 80(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm4
; SSE2-NEXT:    movdqa %xmm4, 64(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm3
; SSE2-NEXT:    movdqa %xmm3, 48(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm2
; SSE2-NEXT:    movdqa %xmm2, 32(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm1
; SSE2-NEXT:    movdqa %xmm1, 16(%rdi)
; SSE2-NEXT:    pavgb {{[0-9]+}}(%rsp), %xmm0
; SSE2-NEXT:    movdqa %xmm0, (%rdi)
; SSE2-NEXT:    retq
;
; AVX1-LABEL: avg_v512i8_3:
; AVX1:       # %bb.0:
; AVX1-NEXT:    pushq %rbp
; AVX1-NEXT:    movq %rsp, %rbp
; AVX1-NEXT:    andq $-32, %rsp
; AVX1-NEXT:    subq $96, %rsp
; AVX1-NEXT:    movq %rdi, %rax
; AVX1-NEXT:    vpavgb 272(%rbp), %xmm0, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
; AVX1-NEXT:    vpavgb 288(%rbp), %xmm0, %xmm0
; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm8, %ymm0
; AVX1-NEXT:    vmovaps %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill
; AVX1-NEXT:    vpavgb 304(%rbp), %xmm1, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm1
; AVX1-NEXT:    vpavgb 320(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm8, %ymm0
; AVX1-NEXT:    vmovaps %ymm0, (%rsp) # 32-byte Spill
; AVX1-NEXT:    vpavgb 336(%rbp), %xmm2, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm2
; AVX1-NEXT:    vpavgb 352(%rbp), %xmm2, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm8, %ymm13
; AVX1-NEXT:    vpavgb 368(%rbp), %xmm3, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm3, %xmm3
; AVX1-NEXT:    vpavgb 384(%rbp), %xmm3, %xmm3
; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm8, %ymm14
; AVX1-NEXT:    vpavgb 400(%rbp), %xmm4, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm4, %xmm4
; AVX1-NEXT:    vpavgb 416(%rbp), %xmm4, %xmm4
; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm8, %ymm15
; AVX1-NEXT:    vpavgb 432(%rbp), %xmm5, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm5, %xmm5
; AVX1-NEXT:    vpavgb 448(%rbp), %xmm5, %xmm5
; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm8, %ymm12
; AVX1-NEXT:    vpavgb 464(%rbp), %xmm6, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm6, %xmm6
; AVX1-NEXT:    vpavgb 480(%rbp), %xmm6, %xmm6
; AVX1-NEXT:    vinsertf128 $1, %xmm6, %ymm8, %ymm6
; AVX1-NEXT:    vpavgb 496(%rbp), %xmm7, %xmm8
; AVX1-NEXT:    vextractf128 $1, %ymm7, %xmm7
; AVX1-NEXT:    vpavgb 512(%rbp), %xmm7, %xmm7
; AVX1-NEXT:    vinsertf128 $1, %xmm7, %ymm8, %ymm7
; AVX1-NEXT:    vmovdqa 16(%rbp), %xmm0
; AVX1-NEXT:    vmovdqa 32(%rbp), %xmm1
; AVX1-NEXT:    vpavgb 528(%rbp), %xmm0, %xmm0
; AVX1-NEXT:    vpavgb 544(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm8
; AVX1-NEXT:    vmovdqa 48(%rbp), %xmm0
; AVX1-NEXT:    vmovdqa 64(%rbp), %xmm1
; AVX1-NEXT:    vpavgb 560(%rbp), %xmm0, %xmm0
; AVX1-NEXT:    vpavgb 576(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm9
; AVX1-NEXT:    vmovdqa 80(%rbp), %xmm0
; AVX1-NEXT:    vmovdqa 96(%rbp), %xmm1
; AVX1-NEXT:    vpavgb 592(%rbp), %xmm0, %xmm0
; AVX1-NEXT:    vpavgb 608(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm10
; AVX1-NEXT:    vmovdqa 112(%rbp), %xmm0
; AVX1-NEXT:    vmovdqa 128(%rbp), %xmm1
; AVX1-NEXT:    vpavgb 624(%rbp), %xmm0, %xmm0
; AVX1-NEXT:    vpavgb 640(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT:    vmovdqa 144(%rbp), %xmm1
; AVX1-NEXT:    vmovdqa 160(%rbp), %xmm2
; AVX1-NEXT:    vpavgb 656(%rbp), %xmm1, %xmm1
; AVX1-NEXT:    vpavgb 672(%rbp), %xmm2, %xmm2
; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm1, %ymm1
; AVX1-NEXT:    vmovdqa 176(%rbp), %xmm2
; AVX1-NEXT:    vmovdqa 192(%rbp), %xmm3
; AVX1-NEXT:    vpavgb 688(%rbp), %xmm2, %xmm2
; AVX1-NEXT:    vpavgb 704(%rbp), %xmm3, %xmm3
; AVX1-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
; AVX1-NEXT:    vmovdqa 208(%rbp), %xmm3
; AVX1-NEXT:    vmovdqa 224(%rbp), %xmm4
; AVX1-NEXT:    vpavgb 720(%rbp), %xmm3, %xmm3
; AVX1-NEXT:    vpavgb 736(%rbp), %xmm4, %xmm4
; AVX1-NEXT:    vinsertf128 $1, %xmm4, %ymm3, %ymm3
; AVX1-NEXT:    vmovdqa 240(%rbp), %xmm4
; AVX1-NEXT:    vpavgb 752(%rbp), %xmm4, %xmm4
; AVX1-NEXT:    vmovdqa 256(%rbp), %xmm11
; AVX1-NEXT:    vpavgb 768(%rbp), %xmm11, %xmm5
; AVX1-NEXT:    vinsertf128 $1, %xmm5, %ymm4, %ymm4
; AVX1-NEXT:    vmovaps %ymm4, 480(%rdi)
; AVX1-NEXT:    vmovaps %ymm3, 448(%rdi)
; AVX1-NEXT:    vmovaps %ymm2, 416(%rdi)
; AVX1-NEXT:    vmovaps %ymm1, 384(%rdi)
; AVX1-NEXT:    vmovaps %ymm0, 352(%rdi)
; AVX1-NEXT:    vmovaps %ymm10, 320(%rdi)
; AVX1-NEXT:    vmovaps %ymm9, 288(%rdi)
; AVX1-NEXT:    vmovaps %ymm8, 256(%rdi)
; AVX1-NEXT:    vmovaps %ymm7, 224(%rdi)
; AVX1-NEXT:    vmovaps %ymm6, 192(%rdi)
; AVX1-NEXT:    vmovaps %ymm12, 160(%rdi)
; AVX1-NEXT:    vmovaps %ymm15, 128(%rdi)
; AVX1-NEXT:    vmovaps %ymm14, 96(%rdi)
; AVX1-NEXT:    vmovaps %ymm13, 64(%rdi)
; AVX1-NEXT:    vmovaps (%rsp), %ymm0 # 32-byte Reload
; AVX1-NEXT:    vmovaps %ymm0, 32(%rdi)
; AVX1-NEXT:    vmovaps {{[-0-9]+}}(%r{{[sb]}}p), %ymm0 # 32-byte Reload
; AVX1-NEXT:    vmovaps %ymm0, (%rdi)
; AVX1-NEXT:    movq %rbp, %rsp
; AVX1-NEXT:    popq %rbp
; AVX1-NEXT:    vzeroupper
; AVX1-NEXT:    retq
;
; AVX2-LABEL: avg_v512i8_3:
; AVX2:       # %bb.0:
; AVX2-NEXT:    pushq %rbp
; AVX2-NEXT:    movq %rsp, %rbp
; AVX2-NEXT:    andq $-32, %rsp
; AVX2-NEXT:    subq $32, %rsp
; AVX2-NEXT:    movq %rdi, %rax
; AVX2-NEXT:    vmovdqa 240(%rbp), %ymm8
; AVX2-NEXT:    vmovdqa 208(%rbp), %ymm9
; AVX2-NEXT:    vmovdqa 176(%rbp), %ymm10
; AVX2-NEXT:    vmovdqa 144(%rbp), %ymm11
; AVX2-NEXT:    vmovdqa 112(%rbp), %ymm12
; AVX2-NEXT:    vmovdqa 80(%rbp), %ymm13
; AVX2-NEXT:    vmovdqa 48(%rbp), %ymm14
; AVX2-NEXT:    vmovdqa 16(%rbp), %ymm15
; AVX2-NEXT:    vpavgb 272(%rbp), %ymm0, %ymm0
; AVX2-NEXT:    vpavgb 304(%rbp), %ymm1, %ymm1
; AVX2-NEXT:    vpavgb 336(%rbp), %ymm2, %ymm2
; AVX2-NEXT:    vpavgb 368(%rbp), %ymm3, %ymm3
; AVX2-NEXT:    vpavgb 400(%rbp), %ymm4, %ymm4
; AVX2-NEXT:    vpavgb 432(%rbp), %ymm5, %ymm5
; AVX2-NEXT:    vpavgb 464(%rbp), %ymm6, %ymm6
; AVX2-NEXT:    vpavgb 496(%rbp), %ymm7, %ymm7
; AVX2-NEXT:    vpavgb 528(%rbp), %ymm15, %ymm15
; AVX2-NEXT:    vpavgb 560(%rbp), %ymm14, %ymm14
; AVX2-NEXT:    vpavgb 592(%rbp), %ymm13, %ymm13
; AVX2-NEXT:    vpavgb 624(%rbp), %ymm12, %ymm12
; AVX2-NEXT:    vpavgb 656(%rbp), %ymm11, %ymm11
; AVX2-NEXT:    vpavgb 688(%rbp), %ymm10, %ymm10
; AVX2-NEXT:    vpavgb 720(%rbp), %ymm9, %ymm9
; AVX2-NEXT:    vpavgb 752(%rbp), %ymm8, %ymm8
; AVX2-NEXT:    vmovdqa %ymm8, 480(%rdi)
; AVX2-NEXT:    vmovdqa %ymm9, 448(%rdi)
; AVX2-NEXT:    vmovdqa %ymm10, 416(%rdi)
; AVX2-NEXT:    vmovdqa %ymm11, 384(%rdi)
; AVX2-NEXT:    vmovdqa %ymm12, 352(%rdi)
; AVX2-NEXT:    vmovdqa %ymm13, 320(%rdi)
; AVX2-NEXT:    vmovdqa %ymm14, 288(%rdi)
; AVX2-NEXT:    vmovdqa %ymm15, 256(%rdi)
; AVX2-NEXT:    vmovdqa %ymm7, 224(%rdi)
; AVX2-NEXT:    vmovdqa %ymm6, 192(%rdi)
; AVX2-NEXT:    vmovdqa %ymm5, 160(%rdi)
; AVX2-NEXT:    vmovdqa %ymm4, 128(%rdi)
; AVX2-NEXT:    vmovdqa %ymm3, 96(%rdi)
; AVX2-NEXT:    vmovdqa %ymm2, 64(%rdi)
; AVX2-NEXT:    vmovdqa %ymm1, 32(%rdi)
; AVX2-NEXT:    vmovdqa %ymm0, (%rdi)
; AVX2-NEXT:    movq %rbp, %rsp
; AVX2-NEXT:    popq %rbp
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512F-LABEL: avg_v512i8_3:
; AVX512F:       # %bb.0:
; AVX512F-NEXT:    pushq %rbp
; AVX512F-NEXT:    movq %rsp, %rbp
; AVX512F-NEXT:    andq $-32, %rsp
; AVX512F-NEXT:    subq $32, %rsp
; AVX512F-NEXT:    movq %rdi, %rax
; AVX512F-NEXT:    vmovdqa 240(%rbp), %ymm8
; AVX512F-NEXT:    vmovdqa 208(%rbp), %ymm9
; AVX512F-NEXT:    vmovdqa 176(%rbp), %ymm10
; AVX512F-NEXT:    vmovdqa 144(%rbp), %ymm11
; AVX512F-NEXT:    vmovdqa 112(%rbp), %ymm12
; AVX512F-NEXT:    vmovdqa 80(%rbp), %ymm13
; AVX512F-NEXT:    vmovdqa 48(%rbp), %ymm14
; AVX512F-NEXT:    vmovdqa 16(%rbp), %ymm15
; AVX512F-NEXT:    vpavgb 272(%rbp), %ymm0, %ymm0
; AVX512F-NEXT:    vpavgb 304(%rbp), %ymm1, %ymm1
; AVX512F-NEXT:    vpavgb 336(%rbp), %ymm2, %ymm2
; AVX512F-NEXT:    vpavgb 368(%rbp), %ymm3, %ymm3
; AVX512F-NEXT:    vpavgb 400(%rbp), %ymm4, %ymm4
; AVX512F-NEXT:    vpavgb 432(%rbp), %ymm5, %ymm5
; AVX512F-NEXT:    vpavgb 464(%rbp), %ymm6, %ymm6
; AVX512F-NEXT:    vpavgb 496(%rbp), %ymm7, %ymm7
; AVX512F-NEXT:    vpavgb 528(%rbp), %ymm15, %ymm15
; AVX512F-NEXT:    vpavgb 560(%rbp), %ymm14, %ymm14
; AVX512F-NEXT:    vpavgb 592(%rbp), %ymm13, %ymm13
; AVX512F-NEXT:    vpavgb 624(%rbp), %ymm12, %ymm12
; AVX512F-NEXT:    vpavgb 656(%rbp), %ymm11, %ymm11
; AVX512F-NEXT:    vpavgb 688(%rbp), %ymm10, %ymm10
; AVX512F-NEXT:    vpavgb 720(%rbp), %ymm9, %ymm9
; AVX512F-NEXT:    vpavgb 752(%rbp), %ymm8, %ymm8
; AVX512F-NEXT:    vmovdqa %ymm8, 480(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm9, 448(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm10, 416(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm11, 384(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm12, 352(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm13, 320(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm14, 288(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm15, 256(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm7, 224(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm6, 192(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm5, 160(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm4, 128(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm3, 96(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm2, 64(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm1, 32(%rdi)
; AVX512F-NEXT:    vmovdqa %ymm0, (%rdi)
; AVX512F-NEXT:    movq %rbp, %rsp
; AVX512F-NEXT:    popq %rbp
; AVX512F-NEXT:    vzeroupper
; AVX512F-NEXT:    retq
;
; AVX512BW-LABEL: avg_v512i8_3:
; AVX512BW:       # %bb.0:
; AVX512BW-NEXT:    pushq %rbp
; AVX512BW-NEXT:    movq %rsp, %rbp
; AVX512BW-NEXT:    andq $-64, %rsp
; AVX512BW-NEXT:    subq $64, %rsp
; AVX512BW-NEXT:    movq %rdi, %rax
; AVX512BW-NEXT:    vpavgb 16(%rbp), %zmm0, %zmm0
; AVX512BW-NEXT:    vpavgb 80(%rbp), %zmm1, %zmm1
; AVX512BW-NEXT:    vpavgb 144(%rbp), %zmm2, %zmm2
; AVX512BW-NEXT:    vpavgb 208(%rbp), %zmm3, %zmm3
; AVX512BW-NEXT:    vpavgb 272(%rbp), %zmm4, %zmm4
; AVX512BW-NEXT:    vpavgb 336(%rbp), %zmm5, %zmm5
; AVX512BW-NEXT:    vpavgb 400(%rbp), %zmm6, %zmm6
; AVX512BW-NEXT:    vpavgb 464(%rbp), %zmm7, %zmm7
; AVX512BW-NEXT:    vmovdqa64 %zmm7, 448(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm6, 384(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm5, 320(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm4, 256(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm3, 192(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm2, 128(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm1, 64(%rdi)
; AVX512BW-NEXT:    vmovdqa64 %zmm0, (%rdi)
; AVX512BW-NEXT:    movq %rbp, %rsp
; AVX512BW-NEXT:    popq %rbp
; AVX512BW-NEXT:    vzeroupper
; AVX512BW-NEXT:    retq
  %za = zext <512 x i8> %a to <512 x i16>
  %zb = zext <512 x i8> %b to <512 x i16>
  %add = add nuw nsw <512 x i16> %za, %zb
  %add1 = add nuw nsw <512 x i16> %add, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %lshr = lshr <512 x i16> %add1, <i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1>
  %res = trunc <512 x i16> %lshr to <512 x i8>
  ret <512 x i8> %res
}

; This is not an avg, but its structurally similar and previously caused a crash
; because the constants can't be read with APInt::getZExtValue.
define void @not_avg_v16i8_wide_constants(<16 x i8>* %a, <16 x i8>* %b) nounwind {
; SSE2-LABEL: not_avg_v16i8_wide_constants:
; SSE2:       # %bb.0:
; SSE2-NEXT:    pushq %rbp
; SSE2-NEXT:    pushq %r15
; SSE2-NEXT:    pushq %r14
; SSE2-NEXT:    pushq %r13
; SSE2-NEXT:    pushq %r12
; SSE2-NEXT:    pushq %rbx
; SSE2-NEXT:    movaps (%rdi), %xmm0
; SSE2-NEXT:    movaps (%rsi), %xmm1
; SSE2-NEXT:    movaps %xmm0, -{{[0-9]+}}(%rsp)
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r13d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r14d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r15d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r12d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r11d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r10d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %r9d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ecx
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edi
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebp
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edx
; SSE2-NEXT:    movaps %xmm1, -{{[0-9]+}}(%rsp)
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %esi
; SSE2-NEXT:    leal -1(%rdx,%rsi), %edx
; SSE2-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edx
; SSE2-NEXT:    leal -1(%rbx,%rdx), %edx
; SSE2-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edx
; SSE2-NEXT:    leal -1(%rbp,%rdx), %edx
; SSE2-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edx
; SSE2-NEXT:    leal -1(%rdi,%rdx), %r8d
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edx
; SSE2-NEXT:    leal -1(%rax,%rdx), %edi
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    leal -1(%rcx,%rax), %edx
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
; SSE2-NEXT:    leal -1(%r9,%rax), %ecx
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %esi
; SSE2-NEXT:    leal -1(%r10,%rsi), %eax
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %esi
; SSE2-NEXT:    leaq -1(%r11,%rsi), %rsi
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    leaq -1(%r12,%rbx), %r12
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    leaq -1(%r15,%rbx), %r15
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    leaq -1(%r14,%rbx), %r14
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rbp # 8-byte Reload
; SSE2-NEXT:    leaq -1(%rbp,%rbx), %r11
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rbp # 8-byte Reload
; SSE2-NEXT:    leaq -1(%rbp,%rbx), %r10
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    leaq -1(%r13,%rbx), %r9
; SSE2-NEXT:    movzbl -{{[0-9]+}}(%rsp), %ebx
; SSE2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %r13 # 8-byte Reload
; SSE2-NEXT:    leaq -1(%r13,%rbx), %rbx
; SSE2-NEXT:    shrl %eax
; SSE2-NEXT:    movd %eax, %xmm8
; SSE2-NEXT:    shrl %ecx
; SSE2-NEXT:    movd %ecx, %xmm15
; SSE2-NEXT:    shrl %edx
; SSE2-NEXT:    movd %edx, %xmm9
; SSE2-NEXT:    shrl %edi
; SSE2-NEXT:    movd %edi, %xmm2
; SSE2-NEXT:    shrl %r8d
; SSE2-NEXT:    movd %r8d, %xmm10
; SSE2-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; SSE2-NEXT:    shrl %eax
; SSE2-NEXT:    movd %eax, %xmm6
; SSE2-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; SSE2-NEXT:    shrl %eax
; SSE2-NEXT:    movd %eax, %xmm11
; SSE2-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; SSE2-NEXT:    shrl %eax
; SSE2-NEXT:    movd %eax, %xmm4
; SSE2-NEXT:    shrq %rsi
; SSE2-NEXT:    movd %esi, %xmm12
; SSE2-NEXT:    shrq %r12
; SSE2-NEXT:    movd %r12d, %xmm3
; SSE2-NEXT:    shrq %r15
; SSE2-NEXT:    movd %r15d, %xmm13
; SSE2-NEXT:    shrq %r14
; SSE2-NEXT:    movd %r14d, %xmm7
; SSE2-NEXT:    shrq %r11
; SSE2-NEXT:    movd %r11d, %xmm14
; SSE2-NEXT:    shrq %r10
; SSE2-NEXT:    movd %r10d, %xmm5
; SSE2-NEXT:    shrq %r9
; SSE2-NEXT:    movd %r9d, %xmm0
; SSE2-NEXT:    shrq %rbx
; SSE2-NEXT:    movd %ebx, %xmm1
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm15 = xmm15[0],xmm8[0],xmm15[1],xmm8[1],xmm15[2],xmm8[2],xmm15[3],xmm8[3],xmm15[4],xmm8[4],xmm15[5],xmm8[5],xmm15[6],xmm8[6],xmm15[7],xmm8[7]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm9[0],xmm2[1],xmm9[1],xmm2[2],xmm9[2],xmm2[3],xmm9[3],xmm2[4],xmm9[4],xmm2[5],xmm9[5],xmm2[6],xmm9[6],xmm2[7],xmm9[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm15[0],xmm2[1],xmm15[1],xmm2[2],xmm15[2],xmm2[3],xmm15[3]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm6 = xmm6[0],xmm10[0],xmm6[1],xmm10[1],xmm6[2],xmm10[2],xmm6[3],xmm10[3],xmm6[4],xmm10[4],xmm6[5],xmm10[5],xmm6[6],xmm10[6],xmm6[7],xmm10[7]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm4 = xmm4[0],xmm11[0],xmm4[1],xmm11[1],xmm4[2],xmm11[2],xmm4[3],xmm11[3],xmm4[4],xmm11[4],xmm4[5],xmm11[5],xmm4[6],xmm11[6],xmm4[7],xmm11[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm4 = xmm4[0],xmm6[0],xmm4[1],xmm6[1],xmm4[2],xmm6[2],xmm4[3],xmm6[3]
; SSE2-NEXT:    punpckldq {{.*#+}} xmm4 = xmm4[0],xmm2[0],xmm4[1],xmm2[1]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm3 = xmm3[0],xmm12[0],xmm3[1],xmm12[1],xmm3[2],xmm12[2],xmm3[3],xmm12[3],xmm3[4],xmm12[4],xmm3[5],xmm12[5],xmm3[6],xmm12[6],xmm3[7],xmm12[7]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm7 = xmm7[0],xmm13[0],xmm7[1],xmm13[1],xmm7[2],xmm13[2],xmm7[3],xmm13[3],xmm7[4],xmm13[4],xmm7[5],xmm13[5],xmm7[6],xmm13[6],xmm7[7],xmm13[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm7 = xmm7[0],xmm3[0],xmm7[1],xmm3[1],xmm7[2],xmm3[2],xmm7[3],xmm3[3]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm5 = xmm5[0],xmm14[0],xmm5[1],xmm14[1],xmm5[2],xmm14[2],xmm5[3],xmm14[3],xmm5[4],xmm14[4],xmm5[5],xmm14[5],xmm5[6],xmm14[6],xmm5[7],xmm14[7]
; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm5[0],xmm1[1],xmm5[1],xmm1[2],xmm5[2],xmm1[3],xmm5[3]
; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm7[0],xmm1[1],xmm7[1]
; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm4 = xmm4[0],xmm1[0]
; SSE2-NEXT:    movdqu %xmm4, (%rax)
; SSE2-NEXT:    popq %rbx
; SSE2-NEXT:    popq %r12
; SSE2-NEXT:    popq %r13
; SSE2-NEXT:    popq %r14
; SSE2-NEXT:    popq %r15
; SSE2-NEXT:    popq %rbp
; SSE2-NEXT:    retq
;
; AVX1-LABEL: not_avg_v16i8_wide_constants:
; AVX1:       # %bb.0:
; AVX1-NEXT:    pushq %rbp
; AVX1-NEXT:    pushq %r15
; AVX1-NEXT:    pushq %r14
; AVX1-NEXT:    pushq %r13
; AVX1-NEXT:    pushq %r12
; AVX1-NEXT:    pushq %rbx
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm1 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm4 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
; AVX1-NEXT:    vpxor %xmm7, %xmm7, %xmm7
; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm6 = xmm1[4],xmm7[4],xmm1[5],xmm7[5],xmm1[6],xmm7[6],xmm1[7],xmm7[7]
; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm2 = xmm0[4],xmm7[4],xmm0[5],xmm7[5],xmm0[6],xmm7[6],xmm0[7],xmm7[7]
; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm5 = xmm2[2],xmm7[2],xmm2[3],xmm7[3]
; AVX1-NEXT:    vpextrq $1, %xmm5, %r15
; AVX1-NEXT:    vmovq %xmm5, %r12
; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero
; AVX1-NEXT:    vpextrq $1, %xmm2, %r11
; AVX1-NEXT:    vmovq %xmm2, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm2 = xmm0[2],xmm7[2],xmm0[3],xmm7[3]
; AVX1-NEXT:    vpextrq $1, %xmm2, %r13
; AVX1-NEXT:    vmovq %xmm2, %r14
; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm2 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm1 = xmm4[4],xmm7[4],xmm4[5],xmm7[5],xmm4[6],xmm7[6],xmm4[7],xmm7[7]
; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm5 = xmm1[2],xmm7[2],xmm1[3],xmm7[3]
; AVX1-NEXT:    vpextrq $1, %xmm5, %rbx
; AVX1-NEXT:    vmovq %xmm5, %rdx
; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm5 = xmm3[4],xmm7[4],xmm3[5],xmm7[5],xmm3[6],xmm7[6],xmm3[7],xmm7[7]
; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX1-NEXT:    vpextrq $1, %xmm1, %r9
; AVX1-NEXT:    vmovq %xmm1, %r10
; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm1 = xmm4[0],zero,xmm4[1],zero,xmm4[2],zero,xmm4[3],zero
; AVX1-NEXT:    vpunpckhdq {{.*#+}} xmm4 = xmm1[2],xmm7[2],xmm1[3],xmm7[3]
; AVX1-NEXT:    vmovd %xmm6, %esi
; AVX1-NEXT:    vpextrd $1, %xmm6, %edi
; AVX1-NEXT:    vpextrd $2, %xmm6, %eax
; AVX1-NEXT:    vpextrd $3, %xmm6, %ebp
; AVX1-NEXT:    vpextrd $3, %xmm5, %ecx
; AVX1-NEXT:    leal -1(%rbp,%rcx), %ecx
; AVX1-NEXT:    movl %ecx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX1-NEXT:    vpextrd $2, %xmm5, %ecx
; AVX1-NEXT:    leal -1(%rax,%rcx), %eax
; AVX1-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX1-NEXT:    vpextrd $1, %xmm5, %ecx
; AVX1-NEXT:    leal -1(%rdi,%rcx), %eax
; AVX1-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX1-NEXT:    vmovd %xmm5, %ecx
; AVX1-NEXT:    leal -1(%rsi,%rcx), %r8d
; AVX1-NEXT:    vpextrq $1, %xmm4, %rcx
; AVX1-NEXT:    leal -1(%r15,%rbx), %r15d
; AVX1-NEXT:    vmovq %xmm4, %rsi
; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
; AVX1-NEXT:    leal -1(%r12,%rdx), %edx
; AVX1-NEXT:    vmovd %xmm2, %r12d
; AVX1-NEXT:    leal -1(%r11,%r9), %r11d
; AVX1-NEXT:    vpextrd $1, %xmm2, %edi
; AVX1-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX1-NEXT:    leal -1(%rax,%r10), %r10d
; AVX1-NEXT:    vpextrd $2, %xmm2, %ebx
; AVX1-NEXT:    leal -1(%r13,%rcx), %r9d
; AVX1-NEXT:    vpextrd $3, %xmm2, %ecx
; AVX1-NEXT:    leal -1(%r14,%rsi), %esi
; AVX1-NEXT:    vpextrd $3, %xmm3, %eax
; AVX1-NEXT:    leal -1(%rcx,%rax), %ecx
; AVX1-NEXT:    vpextrd $2, %xmm3, %eax
; AVX1-NEXT:    leal -1(%rbx,%rax), %ebx
; AVX1-NEXT:    vpextrd $1, %xmm3, %eax
; AVX1-NEXT:    leal -1(%rdi,%rax), %eax
; AVX1-NEXT:    vmovd %xmm3, %edi
; AVX1-NEXT:    leal -1(%r12,%rdi), %edi
; AVX1-NEXT:    vpextrq $1, %xmm0, %r12
; AVX1-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
; AVX1-NEXT:    vpextrq $1, %xmm1, %r13
; AVX1-NEXT:    leal -1(%r12,%r13), %r12d
; AVX1-NEXT:    vmovq %xmm0, %r13
; AVX1-NEXT:    vmovq %xmm1, %r14
; AVX1-NEXT:    leal -1(%r13,%r14), %ebp
; AVX1-NEXT:    shrl %ebp
; AVX1-NEXT:    vmovd %ebp, %xmm0
; AVX1-NEXT:    shrl %r12d
; AVX1-NEXT:    vpinsrb $1, %r12d, %xmm0, %xmm0
; AVX1-NEXT:    shrl %esi
; AVX1-NEXT:    vpinsrb $2, %esi, %xmm0, %xmm0
; AVX1-NEXT:    shrl %r9d
; AVX1-NEXT:    vpinsrb $3, %r9d, %xmm0, %xmm0
; AVX1-NEXT:    shrl %r10d
; AVX1-NEXT:    vpinsrb $4, %r10d, %xmm0, %xmm0
; AVX1-NEXT:    shrl %r11d
; AVX1-NEXT:    vpinsrb $5, %r11d, %xmm0, %xmm0
; AVX1-NEXT:    shrl %edx
; AVX1-NEXT:    vpinsrb $6, %edx, %xmm0, %xmm0
; AVX1-NEXT:    shrl %r15d
; AVX1-NEXT:    vpinsrb $7, %r15d, %xmm0, %xmm0
; AVX1-NEXT:    shrl %edi
; AVX1-NEXT:    vpinsrb $8, %edi, %xmm0, %xmm0
; AVX1-NEXT:    shrl %eax
; AVX1-NEXT:    vpinsrb $9, %eax, %xmm0, %xmm0
; AVX1-NEXT:    shrl %ebx
; AVX1-NEXT:    vpinsrb $10, %ebx, %xmm0, %xmm0
; AVX1-NEXT:    shrl %ecx
; AVX1-NEXT:    vpinsrb $11, %ecx, %xmm0, %xmm0
; AVX1-NEXT:    shrl %r8d
; AVX1-NEXT:    vpinsrb $12, %r8d, %xmm0, %xmm0
; AVX1-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX1-NEXT:    shrl %eax
; AVX1-NEXT:    vpinsrb $13, %eax, %xmm0, %xmm0
; AVX1-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX1-NEXT:    shrl %eax
; AVX1-NEXT:    vpinsrb $14, %eax, %xmm0, %xmm0
; AVX1-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX1-NEXT:    shrl %eax
; AVX1-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm0
; AVX1-NEXT:    vmovdqu %xmm0, (%rax)
; AVX1-NEXT:    popq %rbx
; AVX1-NEXT:    popq %r12
; AVX1-NEXT:    popq %r13
; AVX1-NEXT:    popq %r14
; AVX1-NEXT:    popq %r15
; AVX1-NEXT:    popq %rbp
; AVX1-NEXT:    retq
;
; AVX2-LABEL: not_avg_v16i8_wide_constants:
; AVX2:       # %bb.0:
; AVX2-NEXT:    pushq %rbp
; AVX2-NEXT:    pushq %r15
; AVX2-NEXT:    pushq %r14
; AVX2-NEXT:    pushq %r13
; AVX2-NEXT:    pushq %r12
; AVX2-NEXT:    pushq %rbx
; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm1 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero,mem[8],zero,mem[9],zero,mem[10],zero,mem[11],zero,mem[12],zero,mem[13],zero,mem[14],zero,mem[15],zero
; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero,mem[8],zero,mem[9],zero,mem[10],zero,mem[11],zero,mem[12],zero,mem[13],zero,mem[14],zero,mem[15],zero
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm2 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm0
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm4 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
; AVX2-NEXT:    vextracti128 $1, %ymm4, %xmm0
; AVX2-NEXT:    vpextrq $1, %xmm4, %r14
; AVX2-NEXT:    vmovq %xmm4, %r13
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
; AVX2-NEXT:    vpextrq $1, %xmm4, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX2-NEXT:    vmovq %xmm4, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX2-NEXT:    vmovq %xmm2, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX2-NEXT:    vpextrq $1, %xmm2, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm6 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX2-NEXT:    vextracti128 $1, %ymm6, %xmm5
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm4 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
; AVX2-NEXT:    vextracti128 $1, %ymm4, %xmm7
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm2 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm1
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX2-NEXT:    vmovd %xmm4, %r12d
; AVX2-NEXT:    vpextrd $2, %xmm4, %r15d
; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm3
; AVX2-NEXT:    vpmovzxwd {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
; AVX2-NEXT:    vmovd %xmm7, %ecx
; AVX2-NEXT:    vpextrd $2, %xmm7, %edi
; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm7
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm7 = xmm7[0],zero,xmm7[1],zero,xmm7[2],zero,xmm7[3],zero
; AVX2-NEXT:    vmovd %xmm6, %ebx
; AVX2-NEXT:    vpextrd $2, %xmm6, %esi
; AVX2-NEXT:    vextracti128 $1, %ymm7, %xmm6
; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
; AVX2-NEXT:    vmovd %xmm5, %edx
; AVX2-NEXT:    vpextrd $2, %xmm5, %ebp
; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm5
; AVX2-NEXT:    vpextrd $2, %xmm6, %eax
; AVX2-NEXT:    leal -1(%rbp,%rax), %eax
; AVX2-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX2-NEXT:    vmovd %xmm6, %eax
; AVX2-NEXT:    leal -1(%rdx,%rax), %eax
; AVX2-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX2-NEXT:    vpextrd $2, %xmm7, %eax
; AVX2-NEXT:    leal -1(%rsi,%rax), %r11d
; AVX2-NEXT:    vmovd %xmm7, %eax
; AVX2-NEXT:    leal -1(%rbx,%rax), %r10d
; AVX2-NEXT:    vpextrd $2, %xmm5, %eax
; AVX2-NEXT:    leal -1(%rdi,%rax), %r9d
; AVX2-NEXT:    vmovd %xmm5, %eax
; AVX2-NEXT:    leal -1(%rcx,%rax), %r8d
; AVX2-NEXT:    vpextrd $2, %xmm3, %eax
; AVX2-NEXT:    leal -1(%r15,%rax), %r15d
; AVX2-NEXT:    vmovd %xmm3, %ecx
; AVX2-NEXT:    leal -1(%r12,%rcx), %r12d
; AVX2-NEXT:    vpextrq $1, %xmm2, %rdx
; AVX2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX2-NEXT:    leaq -1(%rax,%rdx), %rdx
; AVX2-NEXT:    vmovq %xmm2, %rsi
; AVX2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX2-NEXT:    leaq -1(%rax,%rsi), %rsi
; AVX2-NEXT:    vmovq %xmm4, %rbx
; AVX2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX2-NEXT:    leaq -1(%rax,%rbx), %rbx
; AVX2-NEXT:    vpextrq $1, %xmm4, %rbp
; AVX2-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX2-NEXT:    leaq -1(%rax,%rbp), %rbp
; AVX2-NEXT:    vmovq %xmm1, %rdi
; AVX2-NEXT:    leaq -1(%r13,%rdi), %rdi
; AVX2-NEXT:    vpextrq $1, %xmm1, %rax
; AVX2-NEXT:    leaq -1(%r14,%rax), %rax
; AVX2-NEXT:    vmovq %xmm0, %rcx
; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm1
; AVX2-NEXT:    vmovq %xmm1, %r13
; AVX2-NEXT:    leaq -1(%rcx,%r13), %r13
; AVX2-NEXT:    vpextrq $1, %xmm0, %rcx
; AVX2-NEXT:    vpextrq $1, %xmm1, %r14
; AVX2-NEXT:    leaq -1(%rcx,%r14), %rcx
; AVX2-NEXT:    shrq %rsi
; AVX2-NEXT:    vmovd %esi, %xmm0
; AVX2-NEXT:    shrq %rdx
; AVX2-NEXT:    vpinsrb $1, %edx, %xmm0, %xmm0
; AVX2-NEXT:    shrq %rbx
; AVX2-NEXT:    vpinsrb $2, %ebx, %xmm0, %xmm0
; AVX2-NEXT:    shrq %rbp
; AVX2-NEXT:    vpinsrb $3, %ebp, %xmm0, %xmm0
; AVX2-NEXT:    shrq %rdi
; AVX2-NEXT:    vpinsrb $4, %edi, %xmm0, %xmm0
; AVX2-NEXT:    shrq %rax
; AVX2-NEXT:    vpinsrb $5, %eax, %xmm0, %xmm0
; AVX2-NEXT:    shrq %r13
; AVX2-NEXT:    vpinsrb $6, %r13d, %xmm0, %xmm0
; AVX2-NEXT:    shrq %rcx
; AVX2-NEXT:    vpinsrb $7, %ecx, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r12d
; AVX2-NEXT:    vpinsrb $8, %r12d, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r15d
; AVX2-NEXT:    vpinsrb $9, %r15d, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r8d
; AVX2-NEXT:    vpinsrb $10, %r8d, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r9d
; AVX2-NEXT:    vpinsrb $11, %r9d, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r10d
; AVX2-NEXT:    vpinsrb $12, %r10d, %xmm0, %xmm0
; AVX2-NEXT:    shrl %r11d
; AVX2-NEXT:    vpinsrb $13, %r11d, %xmm0, %xmm0
; AVX2-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX2-NEXT:    shrl %eax
; AVX2-NEXT:    vpinsrb $14, %eax, %xmm0, %xmm0
; AVX2-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX2-NEXT:    shrl %eax
; AVX2-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm0
; AVX2-NEXT:    vmovdqu %xmm0, (%rax)
; AVX2-NEXT:    popq %rbx
; AVX2-NEXT:    popq %r12
; AVX2-NEXT:    popq %r13
; AVX2-NEXT:    popq %r14
; AVX2-NEXT:    popq %r15
; AVX2-NEXT:    popq %rbp
; AVX2-NEXT:    vzeroupper
; AVX2-NEXT:    retq
;
; AVX512-LABEL: not_avg_v16i8_wide_constants:
; AVX512:       # %bb.0:
; AVX512-NEXT:    pushq %rbp
; AVX512-NEXT:    pushq %r15
; AVX512-NEXT:    pushq %r14
; AVX512-NEXT:    pushq %r13
; AVX512-NEXT:    pushq %r12
; AVX512-NEXT:    pushq %rbx
; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm1 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero,mem[8],zero,mem[9],zero,mem[10],zero,mem[11],zero,mem[12],zero,mem[13],zero,mem[14],zero,mem[15],zero
; AVX512-NEXT:    vpmovzxbw {{.*#+}} ymm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero,mem[8],zero,mem[9],zero,mem[10],zero,mem[11],zero,mem[12],zero,mem[13],zero,mem[14],zero,mem[15],zero
; AVX512-NEXT:    vpmovzxwd {{.*#+}} ymm2 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm0
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm4 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm0
; AVX512-NEXT:    vpextrq $1, %xmm4, %r14
; AVX512-NEXT:    vmovq %xmm4, %r13
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm4
; AVX512-NEXT:    vpextrq $1, %xmm4, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX512-NEXT:    vmovq %xmm4, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX512-NEXT:    vmovq %xmm2, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX512-NEXT:    vpextrq $1, %xmm2, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Folded Spill
; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
; AVX512-NEXT:    vpmovzxwd {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm2
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm6 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX512-NEXT:    vextracti128 $1, %ymm6, %xmm5
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm4 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
; AVX512-NEXT:    vextracti128 $1, %ymm4, %xmm7
; AVX512-NEXT:    vpmovzxwd {{.*#+}} ymm2 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm1
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero
; AVX512-NEXT:    vmovd %xmm4, %r12d
; AVX512-NEXT:    vpextrd $2, %xmm4, %r15d
; AVX512-NEXT:    vextracti128 $1, %ymm2, %xmm4
; AVX512-NEXT:    vextracti128 $1, %ymm3, %xmm3
; AVX512-NEXT:    vpmovzxwd {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero,xmm3[4],zero,xmm3[5],zero,xmm3[6],zero,xmm3[7],zero
; AVX512-NEXT:    vmovd %xmm7, %ecx
; AVX512-NEXT:    vpextrd $2, %xmm7, %edi
; AVX512-NEXT:    vextracti128 $1, %ymm3, %xmm7
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm7 = xmm7[0],zero,xmm7[1],zero,xmm7[2],zero,xmm7[3],zero
; AVX512-NEXT:    vmovd %xmm6, %ebx
; AVX512-NEXT:    vpextrd $2, %xmm6, %esi
; AVX512-NEXT:    vextracti128 $1, %ymm7, %xmm6
; AVX512-NEXT:    vpmovzxdq {{.*#+}} ymm3 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
; AVX512-NEXT:    vmovd %xmm5, %edx
; AVX512-NEXT:    vpextrd $2, %xmm5, %ebp
; AVX512-NEXT:    vextracti128 $1, %ymm3, %xmm5
; AVX512-NEXT:    vpextrd $2, %xmm6, %eax
; AVX512-NEXT:    leal -1(%rbp,%rax), %eax
; AVX512-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX512-NEXT:    vmovd %xmm6, %eax
; AVX512-NEXT:    leal -1(%rdx,%rax), %eax
; AVX512-NEXT:    movl %eax, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; AVX512-NEXT:    vpextrd $2, %xmm7, %eax
; AVX512-NEXT:    leal -1(%rsi,%rax), %r11d
; AVX512-NEXT:    vmovd %xmm7, %eax
; AVX512-NEXT:    leal -1(%rbx,%rax), %r10d
; AVX512-NEXT:    vpextrd $2, %xmm5, %eax
; AVX512-NEXT:    leal -1(%rdi,%rax), %r9d
; AVX512-NEXT:    vmovd %xmm5, %eax
; AVX512-NEXT:    leal -1(%rcx,%rax), %r8d
; AVX512-NEXT:    vpextrd $2, %xmm3, %eax
; AVX512-NEXT:    leal -1(%r15,%rax), %r15d
; AVX512-NEXT:    vmovd %xmm3, %ecx
; AVX512-NEXT:    leal -1(%r12,%rcx), %r12d
; AVX512-NEXT:    vpextrq $1, %xmm2, %rdx
; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX512-NEXT:    leaq -1(%rax,%rdx), %rdx
; AVX512-NEXT:    vmovq %xmm2, %rsi
; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX512-NEXT:    leaq -1(%rax,%rsi), %rsi
; AVX512-NEXT:    vmovq %xmm4, %rbx
; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX512-NEXT:    leaq -1(%rax,%rbx), %rbx
; AVX512-NEXT:    vpextrq $1, %xmm4, %rbp
; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
; AVX512-NEXT:    leaq -1(%rax,%rbp), %rbp
; AVX512-NEXT:    vmovq %xmm1, %rdi
; AVX512-NEXT:    leaq -1(%r13,%rdi), %rdi
; AVX512-NEXT:    vpextrq $1, %xmm1, %rax
; AVX512-NEXT:    leaq -1(%r14,%rax), %rax
; AVX512-NEXT:    vmovq %xmm0, %rcx
; AVX512-NEXT:    vextracti128 $1, %ymm1, %xmm1
; AVX512-NEXT:    vmovq %xmm1, %r13
; AVX512-NEXT:    leaq -1(%rcx,%r13), %r13
; AVX512-NEXT:    vpextrq $1, %xmm0, %rcx
; AVX512-NEXT:    vpextrq $1, %xmm1, %r14
; AVX512-NEXT:    leaq -1(%rcx,%r14), %rcx
; AVX512-NEXT:    shrq %rsi
; AVX512-NEXT:    vmovd %esi, %xmm0
; AVX512-NEXT:    shrq %rdx
; AVX512-NEXT:    vpinsrb $1, %edx, %xmm0, %xmm0
; AVX512-NEXT:    shrq %rbx
; AVX512-NEXT:    vpinsrb $2, %ebx, %xmm0, %xmm0
; AVX512-NEXT:    shrq %rbp
; AVX512-NEXT:    vpinsrb $3, %ebp, %xmm0, %xmm0
; AVX512-NEXT:    shrq %rdi
; AVX512-NEXT:    vpinsrb $4, %edi, %xmm0, %xmm0
; AVX512-NEXT:    shrq %rax
; AVX512-NEXT:    vpinsrb $5, %eax, %xmm0, %xmm0
; AVX512-NEXT:    shrq %r13
; AVX512-NEXT:    vpinsrb $6, %r13d, %xmm0, %xmm0
; AVX512-NEXT:    shrq %rcx
; AVX512-NEXT:    vpinsrb $7, %ecx, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r12d
; AVX512-NEXT:    vpinsrb $8, %r12d, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r15d
; AVX512-NEXT:    vpinsrb $9, %r15d, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r8d
; AVX512-NEXT:    vpinsrb $10, %r8d, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r9d
; AVX512-NEXT:    vpinsrb $11, %r9d, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r10d
; AVX512-NEXT:    vpinsrb $12, %r10d, %xmm0, %xmm0
; AVX512-NEXT:    shrl %r11d
; AVX512-NEXT:    vpinsrb $13, %r11d, %xmm0, %xmm0
; AVX512-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX512-NEXT:    shrl %eax
; AVX512-NEXT:    vpinsrb $14, %eax, %xmm0, %xmm0
; AVX512-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; AVX512-NEXT:    shrl %eax
; AVX512-NEXT:    vpinsrb $15, %eax, %xmm0, %xmm0
; AVX512-NEXT:    vmovdqu %xmm0, (%rax)
; AVX512-NEXT:    popq %rbx
; AVX512-NEXT:    popq %r12
; AVX512-NEXT:    popq %r13
; AVX512-NEXT:    popq %r14
; AVX512-NEXT:    popq %r15
; AVX512-NEXT:    popq %rbp
; AVX512-NEXT:    vzeroupper
; AVX512-NEXT:    retq
  %1 = load <16 x i8>, <16 x i8>* %a
  %2 = load <16 x i8>, <16 x i8>* %b
  %3 = zext <16 x i8> %1 to <16 x i128>
  %4 = zext <16 x i8> %2 to <16 x i128>
  %5 = add nuw nsw <16 x i128> %3, <i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1, i128 -1>
  %6 = add nuw nsw <16 x i128> %5, %4
  %7 = lshr <16 x i128> %6, <i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1, i128 1>
  %8 = trunc <16 x i128> %7 to <16 x i8>
  store <16 x i8> %8, <16 x i8>* undef, align 4
  ret void
}

; Make sure we don't fail on single element vectors.
define <1 x i8> @avg_v1i8(<1 x i8> %x, <1 x i8> %y) {
; SSE2-LABEL: avg_v1i8:
; SSE2:       # %bb.0:
; SSE2-NEXT:    movzbl %dil, %eax
; SSE2-NEXT:    movzbl %sil, %ecx
; SSE2-NEXT:    leal 1(%rax,%rcx), %eax
; SSE2-NEXT:    shrl %eax
; SSE2-NEXT:    # kill: def $al killed $al killed $eax
; SSE2-NEXT:    retq
;
; AVX-LABEL: avg_v1i8:
; AVX:       # %bb.0:
; AVX-NEXT:    movzbl %dil, %eax
; AVX-NEXT:    movzbl %sil, %ecx
; AVX-NEXT:    leal 1(%rax,%rcx), %eax
; AVX-NEXT:    shrl %eax
; AVX-NEXT:    # kill: def $al killed $al killed $eax
; AVX-NEXT:    retq
  %a = zext <1 x i8> %x to <1 x i16>
  %b = zext <1 x i8> %y to <1 x i16>
  %c = add <1 x i16> %a, %b
  %d = add <1 x i16> %c, <i16 1>
  %e = lshr <1 x i16> %d, <i16 1>
  %f = trunc <1 x i16> %e to <1 x i8>
  ret <1 x i8> %f
}