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