; SSSE3-SLOW-LABEL: pair_sum_v4i32_v4i32:
; SSSE3-SLOW: # %bb.0:
; SSSE3-SLOW-NEXT: phaddd %xmm1, %xmm0
-; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm0[0,2,1,3]
-; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,3,1,3]
+; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,1,3]
+; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSSE3-SLOW-NEXT: paddd %xmm1, %xmm0
; SSSE3-SLOW-NEXT: phaddd %xmm2, %xmm3
; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm3[2,3,2,3]
; AVX1-SLOW-LABEL: pair_sum_v4i32_v4i32:
; AVX1-SLOW: # %bb.0:
; AVX1-SLOW-NEXT: vphaddd %xmm1, %xmm0, %xmm0
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[0,2,1,3]
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,3,1,3]
-; AVX1-SLOW-NEXT: vpaddd %xmm0, %xmm1, %xmm0
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[1,3,1,3]
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX1-SLOW-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; AVX1-SLOW-NEXT: vphaddd %xmm2, %xmm2, %xmm1
; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm2 = xmm1[1,1,1,1]
; AVX1-SLOW-NEXT: vpaddd %xmm2, %xmm1, %xmm1
; SSSE3-SLOW: # %bb.0:
; SSSE3-SLOW-NEXT: haddps %xmm1, %xmm0
; SSSE3-SLOW-NEXT: movaps %xmm0, %xmm1
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[1,3]
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,3,1,3]
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,3],xmm0[1,3]
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSSE3-SLOW-NEXT: addps %xmm1, %xmm0
-; SSSE3-SLOW-NEXT: movaps %xmm2, %xmm1
-; SSSE3-SLOW-NEXT: haddps %xmm3, %xmm1
-; SSSE3-SLOW-NEXT: haddps %xmm2, %xmm3
+; SSSE3-SLOW-NEXT: movaps %xmm3, %xmm1
+; SSSE3-SLOW-NEXT: haddps %xmm2, %xmm1
; SSSE3-SLOW-NEXT: haddps %xmm4, %xmm5
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[2,0]
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm3 = xmm3[3,1],xmm5[3,1]
-; SSSE3-SLOW-NEXT: addps %xmm1, %xmm3
-; SSSE3-SLOW-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm3[0]
+; SSSE3-SLOW-NEXT: haddps %xmm3, %xmm2
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,2],xmm5[2,0]
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1],xmm5[3,1]
+; SSSE3-SLOW-NEXT: addps %xmm2, %xmm1
+; SSSE3-SLOW-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSSE3-SLOW-NEXT: haddps %xmm7, %xmm6
; SSSE3-SLOW-NEXT: haddps %xmm6, %xmm6
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm3 = xmm3[2,3],xmm6[0,3]
-; SSSE3-SLOW-NEXT: movaps %xmm3, %xmm1
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,3],xmm6[0,3]
; SSSE3-SLOW-NEXT: retq
;
; SSSE3-FAST-LABEL: pair_sum_v8f32_v4f32:
; SSSE3-FAST: # %bb.0:
; SSSE3-FAST-NEXT: haddps %xmm1, %xmm0
; SSSE3-FAST-NEXT: haddps %xmm0, %xmm0
-; SSSE3-FAST-NEXT: movaps %xmm2, %xmm1
-; SSSE3-FAST-NEXT: haddps %xmm3, %xmm1
-; SSSE3-FAST-NEXT: haddps %xmm2, %xmm3
+; SSSE3-FAST-NEXT: movaps %xmm3, %xmm1
+; SSSE3-FAST-NEXT: haddps %xmm2, %xmm1
; SSSE3-FAST-NEXT: haddps %xmm4, %xmm5
-; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[2,0]
-; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm3 = xmm3[3,1],xmm5[3,1]
-; SSSE3-FAST-NEXT: addps %xmm1, %xmm3
-; SSSE3-FAST-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm3[0]
+; SSSE3-FAST-NEXT: haddps %xmm3, %xmm2
+; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,2],xmm5[2,0]
+; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1],xmm5[3,1]
+; SSSE3-FAST-NEXT: addps %xmm2, %xmm1
+; SSSE3-FAST-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSSE3-FAST-NEXT: haddps %xmm6, %xmm6
; SSSE3-FAST-NEXT: haddps %xmm7, %xmm7
; SSSE3-FAST-NEXT: haddps %xmm7, %xmm6
-; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm3 = xmm3[2,3],xmm6[0,2]
-; SSSE3-FAST-NEXT: movaps %xmm3, %xmm1
+; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,3],xmm6[0,2]
; SSSE3-FAST-NEXT: retq
;
; AVX1-SLOW-LABEL: pair_sum_v8f32_v4f32:
; AVX1-SLOW: # %bb.0:
; AVX1-SLOW-NEXT: vhaddps %xmm1, %xmm0, %xmm0
-; AVX1-SLOW-NEXT: vpermilps {{.*#+}} xmm8 = xmm0[0,2,1,3]
; AVX1-SLOW-NEXT: vxorps %xmm1, %xmm1, %xmm1
-; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[0,1]
-; AVX1-SLOW-NEXT: vaddps %xmm0, %xmm8, %xmm0
-; AVX1-SLOW-NEXT: vhaddps %xmm3, %xmm2, %xmm1
-; AVX1-SLOW-NEXT: vhaddps %xmm4, %xmm4, %xmm2
-; AVX1-SLOW-NEXT: vhaddps %xmm5, %xmm5, %xmm3
-; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm4 = xmm1[0,2],xmm2[0,1]
-; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm4 = xmm4[0,1,2],xmm3[0]
-; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm1 = xmm1[1,3],xmm2[1,1]
-; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1,2],xmm3[1]
-; AVX1-SLOW-NEXT: vaddps %xmm1, %xmm4, %xmm1
+; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm1 = xmm0[1,3],xmm1[0,1]
+; AVX1-SLOW-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX1-SLOW-NEXT: vaddps %xmm1, %xmm0, %xmm0
+; AVX1-SLOW-NEXT: vhaddps %xmm4, %xmm4, %xmm1
+; AVX1-SLOW-NEXT: vhaddps %xmm5, %xmm5, %xmm4
+; AVX1-SLOW-NEXT: vhaddps %xmm3, %xmm2, %xmm2
+; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm3 = xmm2[0,2],xmm1[0,1]
+; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm3 = xmm3[0,1,2],xmm4[0]
+; AVX1-SLOW-NEXT: vshufps {{.*#+}} xmm1 = xmm2[1,3],xmm1[1,1]
+; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1,2],xmm4[1]
+; AVX1-SLOW-NEXT: vaddps %xmm1, %xmm3, %xmm1
; AVX1-SLOW-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX1-SLOW-NEXT: vpermilpd {{.*#+}} xmm1 = xmm1[1,0]
; AVX1-SLOW-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm1
; AVX1-FAST-LABEL: pair_sum_v8f32_v4f32:
; AVX1-FAST: # %bb.0:
; AVX1-FAST-NEXT: vhaddps %xmm1, %xmm0, %xmm0
-; AVX1-FAST-NEXT: vhaddps %xmm0, %xmm0, %xmm0
-; AVX1-FAST-NEXT: vhaddps %xmm3, %xmm2, %xmm1
-; AVX1-FAST-NEXT: vhaddps %xmm2, %xmm2, %xmm2
-; AVX1-FAST-NEXT: vhaddps %xmm3, %xmm3, %xmm3
-; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm2 = xmm2[1],xmm3[1],zero,zero
-; AVX1-FAST-NEXT: vhaddps %xmm4, %xmm4, %xmm3
+; AVX1-FAST-NEXT: vhaddps %xmm0, %xmm0, %xmm8
+; AVX1-FAST-NEXT: vhaddps %xmm2, %xmm2, %xmm1
+; AVX1-FAST-NEXT: vhaddps %xmm3, %xmm3, %xmm0
+; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[1],xmm0[1],zero,zero
+; AVX1-FAST-NEXT: vhaddps %xmm4, %xmm4, %xmm1
; AVX1-FAST-NEXT: vhaddps %xmm5, %xmm5, %xmm4
-; AVX1-FAST-NEXT: vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm3[0,1]
-; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1,2],xmm4[0]
-; AVX1-FAST-NEXT: vshufps {{.*#+}} xmm2 = xmm2[0,1],xmm3[1,3]
-; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm2 = xmm2[0,1,2],xmm4[1]
-; AVX1-FAST-NEXT: vaddps %xmm2, %xmm1, %xmm1
-; AVX1-FAST-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
-; AVX1-FAST-NEXT: vpermilpd {{.*#+}} xmm1 = xmm1[1,0]
-; AVX1-FAST-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm1
+; AVX1-FAST-NEXT: vhaddps %xmm3, %xmm2, %xmm2
+; AVX1-FAST-NEXT: vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm1[0,1]
+; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm2 = xmm2[0,1,2],xmm4[0]
+; AVX1-FAST-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[1,3]
+; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm4[1]
+; AVX1-FAST-NEXT: vaddps %xmm0, %xmm2, %xmm0
+; AVX1-FAST-NEXT: vmovlhps {{.*#+}} xmm1 = xmm8[0],xmm0[0]
+; AVX1-FAST-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
+; AVX1-FAST-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
; AVX1-FAST-NEXT: vhaddps %xmm7, %xmm6, %xmm2
; AVX1-FAST-NEXT: vhaddps %xmm0, %xmm2, %xmm2
-; AVX1-FAST-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
-; AVX1-FAST-NEXT: vshufpd {{.*#+}} ymm0 = ymm1[0],ymm0[1],ymm1[2],ymm0[2]
+; AVX1-FAST-NEXT: vinsertf128 $1, %xmm2, %ymm1, %ymm1
+; AVX1-FAST-NEXT: vshufpd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[2]
; AVX1-FAST-NEXT: retq
;
; AVX2-SLOW-LABEL: pair_sum_v8f32_v4f32:
; AVX2-SLOW: # %bb.0:
; AVX2-SLOW-NEXT: vhaddps %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT: vpermilps {{.*#+}} xmm8 = xmm0[0,2,1,3]
; AVX2-SLOW-NEXT: vxorps %xmm1, %xmm1, %xmm1
-; AVX2-SLOW-NEXT: vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[0,1]
-; AVX2-SLOW-NEXT: vaddps %xmm0, %xmm8, %xmm0
+; AVX2-SLOW-NEXT: vshufps {{.*#+}} xmm1 = xmm0[1,3],xmm1[0,1]
+; AVX2-SLOW-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-SLOW-NEXT: vaddps %xmm1, %xmm0, %xmm0
; AVX2-SLOW-NEXT: vhaddps %xmm4, %xmm4, %xmm1
; AVX2-SLOW-NEXT: vhaddps %xmm5, %xmm5, %xmm4
; AVX2-SLOW-NEXT: vhaddps %xmm3, %xmm2, %xmm2
; SSSE3-SLOW-LABEL: pair_sum_v8i32_v4i32:
; SSSE3-SLOW: # %bb.0:
; SSSE3-SLOW-NEXT: phaddd %xmm1, %xmm0
-; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm0[0,2,1,3]
-; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,3,1,3]
+; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,1,3]
+; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSSE3-SLOW-NEXT: paddd %xmm1, %xmm0
-; SSSE3-SLOW-NEXT: phaddd %xmm3, %xmm2
; SSSE3-SLOW-NEXT: phaddd %xmm4, %xmm5
; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm1 = xmm5[2,3,2,3]
-; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm3 = xmm5[0,1,0,1]
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm3 = xmm3[1,1],xmm1[1,1]
+; SSSE3-SLOW-NEXT: pshufd {{.*#+}} xmm4 = xmm5[0,1,0,1]
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm4 = xmm4[1,1],xmm1[1,1]
+; SSSE3-SLOW-NEXT: phaddd %xmm3, %xmm2
; SSSE3-SLOW-NEXT: movdqa %xmm2, %xmm1
; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[2,0]
-; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,3],xmm3[2,0]
+; SSSE3-SLOW-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,3],xmm4[2,0]
; SSSE3-SLOW-NEXT: paddd %xmm1, %xmm2
; SSSE3-SLOW-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm2[0]
; SSSE3-SLOW-NEXT: phaddd %xmm7, %xmm6
; SSSE3-FAST: # %bb.0:
; SSSE3-FAST-NEXT: phaddd %xmm1, %xmm0
; SSSE3-FAST-NEXT: phaddd %xmm0, %xmm0
-; SSSE3-FAST-NEXT: phaddd %xmm3, %xmm2
; SSSE3-FAST-NEXT: movdqa %xmm5, %xmm1
; SSSE3-FAST-NEXT: phaddd %xmm4, %xmm5
; SSSE3-FAST-NEXT: phaddd %xmm4, %xmm4
; SSSE3-FAST-NEXT: phaddd %xmm1, %xmm1
; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1],xmm4[1,1]
+; SSSE3-FAST-NEXT: phaddd %xmm3, %xmm2
; SSSE3-FAST-NEXT: movdqa %xmm2, %xmm3
; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm3 = xmm3[0,2],xmm5[2,0]
; SSSE3-FAST-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,3],xmm1[2,0]
; AVX1-SLOW-LABEL: pair_sum_v8i32_v4i32:
; AVX1-SLOW: # %bb.0:
; AVX1-SLOW-NEXT: vphaddd %xmm1, %xmm0, %xmm0
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[0,2,1,3]
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,3,1,1]
-; AVX1-SLOW-NEXT: vpaddd %xmm0, %xmm1, %xmm0
-; AVX1-SLOW-NEXT: vphaddd %xmm3, %xmm2, %xmm1
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm2 = xmm1[0,2,1,3]
-; AVX1-SLOW-NEXT: vphaddd %xmm4, %xmm4, %xmm3
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[1,3,1,1]
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX1-SLOW-NEXT: vpaddd %xmm1, %xmm0, %xmm0
+; AVX1-SLOW-NEXT: vphaddd %xmm4, %xmm4, %xmm1
; AVX1-SLOW-NEXT: vphaddd %xmm5, %xmm5, %xmm4
-; AVX1-SLOW-NEXT: vpunpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
+; AVX1-SLOW-NEXT: vphaddd %xmm3, %xmm2, %xmm2
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm3 = xmm2[0,2,1,3]
+; AVX1-SLOW-NEXT: vpunpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm1[0]
; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm5 = xmm4[0,0,0,0]
-; AVX1-SLOW-NEXT: vpblendw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,5],xmm5[6,7]
-; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,3,1,1]
-; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm3[1],zero
+; AVX1-SLOW-NEXT: vpblendw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,5],xmm5[6,7]
+; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[1,3,1,1]
+; AVX1-SLOW-NEXT: vinsertps {{.*#+}} xmm1 = xmm2[0,1],xmm1[1],zero
; AVX1-SLOW-NEXT: vblendps {{.*#+}} xmm1 = xmm1[0,1,2],xmm4[3]
-; AVX1-SLOW-NEXT: vpaddd %xmm1, %xmm2, %xmm1
+; AVX1-SLOW-NEXT: vpaddd %xmm1, %xmm3, %xmm1
; AVX1-SLOW-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX1-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[2,3,2,3]
; AVX1-SLOW-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm1
; AVX1-FAST: # %bb.0:
; AVX1-FAST-NEXT: vphaddd %xmm1, %xmm0, %xmm0
; AVX1-FAST-NEXT: vphaddd %xmm0, %xmm0, %xmm8
-; AVX1-FAST-NEXT: vphaddd %xmm3, %xmm2, %xmm1
-; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,2,1,3]
-; AVX1-FAST-NEXT: vphaddd %xmm2, %xmm2, %xmm2
-; AVX1-FAST-NEXT: vphaddd %xmm3, %xmm3, %xmm3
+; AVX1-FAST-NEXT: vphaddd %xmm2, %xmm2, %xmm1
+; AVX1-FAST-NEXT: vphaddd %xmm3, %xmm3, %xmm0
; AVX1-FAST-NEXT: vphaddd %xmm4, %xmm4, %xmm4
; AVX1-FAST-NEXT: vphaddd %xmm5, %xmm5, %xmm5
-; AVX1-FAST-NEXT: vpunpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm4[0]
-; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm0 = xmm5[0,0,0,0]
-; AVX1-FAST-NEXT: vpblendw {{.*#+}} xmm0 = xmm1[0,1,2,3,4,5],xmm0[6,7]
-; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm1 = xmm2[1,1,1,1]
-; AVX1-FAST-NEXT: vpblendw {{.*#+}} xmm1 = xmm1[0,1],xmm3[2,3],xmm1[4,5,6,7]
-; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm4[1],zero
-; AVX1-FAST-NEXT: vblendps {{.*#+}} xmm1 = xmm1[0,1,2],xmm5[3]
-; AVX1-FAST-NEXT: vpaddd %xmm1, %xmm0, %xmm0
+; AVX1-FAST-NEXT: vphaddd %xmm3, %xmm2, %xmm2
+; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[0,2,1,3]
+; AVX1-FAST-NEXT: vpunpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm4[0]
+; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm3 = xmm5[0,0,0,0]
+; AVX1-FAST-NEXT: vpblendw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,5],xmm3[6,7]
+; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,1,1]
+; AVX1-FAST-NEXT: vpblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3],xmm1[4,5,6,7]
+; AVX1-FAST-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm4[1],zero
+; AVX1-FAST-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1,2],xmm5[3]
+; AVX1-FAST-NEXT: vpaddd %xmm0, %xmm2, %xmm0
; AVX1-FAST-NEXT: vpunpcklqdq {{.*#+}} xmm1 = xmm8[0],xmm0[0]
; AVX1-FAST-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
; AVX1-FAST-NEXT: vinsertf128 $1, %xmm0, %ymm1, %ymm0
; AVX2-SLOW-LABEL: pair_sum_v8i32_v4i32:
; AVX2-SLOW: # %bb.0:
; AVX2-SLOW-NEXT: vphaddd %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[0,2,1,3]
-; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,3,1,1]
-; AVX2-SLOW-NEXT: vpaddd %xmm0, %xmm1, %xmm0
+; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm1 = xmm0[1,3,1,1]
+; AVX2-SLOW-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
+; AVX2-SLOW-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; AVX2-SLOW-NEXT: vphaddd %xmm4, %xmm4, %xmm1
; AVX2-SLOW-NEXT: vphaddd %xmm5, %xmm5, %xmm4
; AVX2-SLOW-NEXT: vphaddd %xmm3, %xmm2, %xmm2
; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm4 = xmm1[2,3,2,3]
; AVX-FAST-NEXT: vpaddd %xmm4, %xmm1, %xmm1
; AVX-FAST-NEXT: vphaddd %xmm1, %xmm0, %xmm0
-; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm1 = xmm2[2,3,2,3]
; AVX-FAST-NEXT: vpaddd %xmm1, %xmm2, %xmm1
; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm2 = xmm3[2,3,2,3]
; AVX-FAST-NEXT: vpaddd %xmm2, %xmm3, %xmm2
; AVX-FAST-NEXT: vphaddd %xmm2, %xmm1, %xmm1
; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,2,1,3]
+; AVX-FAST-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-FAST-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-FAST-NEXT: retq
%5 = call i32 @llvm.vector.reduce.add.i32.v4i32(<4 x i32> %0)