1 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mcpu=nehalem | FileCheck %s 2 3 define <4 x float> @a(<4 x float>* %y) nounwind { 4 ; CHECK-LABEL: a: 5 ; CHECK: # BB#0: 6 ; CHECK-NEXT: movups (%rdi), %xmm0 7 ; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,2,1,0] 8 ; CHECK-NEXT: retq 9 %x = load <4 x float>, <4 x float>* %y, align 4 10 %a = extractelement <4 x float> %x, i32 0 11 %b = extractelement <4 x float> %x, i32 1 12 %c = extractelement <4 x float> %x, i32 2 13 %d = extractelement <4 x float> %x, i32 3 14 %p = insertelement <4 x float> undef, float %d, i32 0 15 %q = insertelement <4 x float> %p, float %c, i32 1 16 %r = insertelement <4 x float> %q, float %b, i32 2 17 %s = insertelement <4 x float> %r, float %a, i32 3 18 ret <4 x float> %s 19 } 20 21 define <4 x float> @b(<4 x float>* %y, <4 x float> %z) nounwind { 22 ; CHECK-LABEL: b: 23 ; CHECK: # BB#0: 24 ; CHECK-NEXT: movups (%rdi), %xmm1 25 ; CHECK-NEXT: unpckhps {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3] 26 ; CHECK-NEXT: retq 27 %x = load <4 x float>, <4 x float>* %y, align 4 28 %a = extractelement <4 x float> %x, i32 2 29 %b = extractelement <4 x float> %x, i32 3 30 %c = extractelement <4 x float> %z, i32 2 31 %d = extractelement <4 x float> %z, i32 3 32 %p = insertelement <4 x float> undef, float %c, i32 0 33 %q = insertelement <4 x float> %p, float %a, i32 1 34 %r = insertelement <4 x float> %q, float %d, i32 2 35 %s = insertelement <4 x float> %r, float %b, i32 3 36 ret <4 x float> %s 37 } 38 39 define <2 x double> @c(<2 x double>* %y) nounwind { 40 ; CHECK-LABEL: c: 41 ; CHECK: # BB#0: 42 ; CHECK-NEXT: movupd (%rdi), %xmm0 43 ; CHECK-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0] 44 ; CHECK-NEXT: retq 45 %x = load <2 x double>, <2 x double>* %y, align 8 46 %a = extractelement <2 x double> %x, i32 0 47 %c = extractelement <2 x double> %x, i32 1 48 %p = insertelement <2 x double> undef, double %c, i32 0 49 %r = insertelement <2 x double> %p, double %a, i32 1 50 ret <2 x double> %r 51 } 52 53 define <2 x double> @d(<2 x double>* %y, <2 x double> %z) nounwind { 54 ; CHECK-LABEL: d: 55 ; CHECK: # BB#0: 56 ; CHECK-NEXT: movupd (%rdi), %xmm1 57 ; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1] 58 ; CHECK-NEXT: retq 59 %x = load <2 x double>, <2 x double>* %y, align 8 60 %a = extractelement <2 x double> %x, i32 1 61 %c = extractelement <2 x double> %z, i32 1 62 %p = insertelement <2 x double> undef, double %c, i32 0 63 %r = insertelement <2 x double> %p, double %a, i32 1 64 ret <2 x double> %r 65 } 66
