1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mcpu=nehalem | FileCheck %s 3 4define <4 x float> @a(<4 x float>* %y) nounwind { 5; CHECK-LABEL: a: 6; CHECK: # BB#0: 7; CHECK-NEXT: movups (%rdi), %xmm0 8; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,2,1,0] 9; CHECK-NEXT: retq 10 %x = load <4 x float>, <4 x float>* %y, align 4 11 %a = extractelement <4 x float> %x, i32 0 12 %b = extractelement <4 x float> %x, i32 1 13 %c = extractelement <4 x float> %x, i32 2 14 %d = extractelement <4 x float> %x, i32 3 15 %p = insertelement <4 x float> undef, float %d, i32 0 16 %q = insertelement <4 x float> %p, float %c, i32 1 17 %r = insertelement <4 x float> %q, float %b, i32 2 18 %s = insertelement <4 x float> %r, float %a, i32 3 19 ret <4 x float> %s 20} 21 22define <4 x float> @b(<4 x float>* %y, <4 x float> %z) nounwind { 23; CHECK-LABEL: b: 24; CHECK: # BB#0: 25; CHECK-NEXT: movups (%rdi), %xmm1 26; CHECK-NEXT: unpckhps {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3] 27; CHECK-NEXT: retq 28 %x = load <4 x float>, <4 x float>* %y, align 4 29 %a = extractelement <4 x float> %x, i32 2 30 %b = extractelement <4 x float> %x, i32 3 31 %c = extractelement <4 x float> %z, i32 2 32 %d = extractelement <4 x float> %z, i32 3 33 %p = insertelement <4 x float> undef, float %c, i32 0 34 %q = insertelement <4 x float> %p, float %a, i32 1 35 %r = insertelement <4 x float> %q, float %d, i32 2 36 %s = insertelement <4 x float> %r, float %b, i32 3 37 ret <4 x float> %s 38} 39 40define <2 x double> @c(<2 x double>* %y) nounwind { 41; CHECK-LABEL: c: 42; CHECK: # BB#0: 43; CHECK-NEXT: movupd (%rdi), %xmm0 44; CHECK-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0] 45; CHECK-NEXT: retq 46 %x = load <2 x double>, <2 x double>* %y, align 8 47 %a = extractelement <2 x double> %x, i32 0 48 %c = extractelement <2 x double> %x, i32 1 49 %p = insertelement <2 x double> undef, double %c, i32 0 50 %r = insertelement <2 x double> %p, double %a, i32 1 51 ret <2 x double> %r 52} 53 54define <2 x double> @d(<2 x double>* %y, <2 x double> %z) nounwind { 55; CHECK-LABEL: d: 56; CHECK: # BB#0: 57; CHECK-NEXT: movupd (%rdi), %xmm1 58; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1] 59; CHECK-NEXT: retq 60 %x = load <2 x double>, <2 x double>* %y, align 8 61 %a = extractelement <2 x double> %x, i32 1 62 %c = extractelement <2 x double> %z, i32 1 63 %p = insertelement <2 x double> undef, double %c, i32 0 64 %r = insertelement <2 x double> %p, double %a, i32 1 65 ret <2 x double> %r 66} 67