forked from OSchip/llvm-project
66 lines
2.3 KiB
LLVM
66 lines
2.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mcpu=nehalem | FileCheck %s
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define <4 x float> @a(<4 x float>* %y) nounwind {
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; CHECK-LABEL: a:
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; CHECK: # BB#0:
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; CHECK-NEXT: movups (%rdi), %xmm0
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; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,2,1,0]
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; CHECK-NEXT: retq
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%x = load <4 x float>* %y, align 4
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%a = extractelement <4 x float> %x, i32 0
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%b = extractelement <4 x float> %x, i32 1
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%c = extractelement <4 x float> %x, i32 2
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%d = extractelement <4 x float> %x, i32 3
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%p = insertelement <4 x float> undef, float %d, i32 0
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%q = insertelement <4 x float> %p, float %c, i32 1
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%r = insertelement <4 x float> %q, float %b, i32 2
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%s = insertelement <4 x float> %r, float %a, i32 3
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ret <4 x float> %s
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}
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define <4 x float> @b(<4 x float>* %y, <4 x float> %z) nounwind {
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; CHECK-LABEL: b:
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; CHECK: # BB#0:
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; CHECK-NEXT: movups (%rdi), %xmm1
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; CHECK-NEXT: unpckhps {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3]
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; CHECK-NEXT: retq
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%x = load <4 x float>* %y, align 4
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%a = extractelement <4 x float> %x, i32 2
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%b = extractelement <4 x float> %x, i32 3
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%c = extractelement <4 x float> %z, i32 2
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%d = extractelement <4 x float> %z, i32 3
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%p = insertelement <4 x float> undef, float %c, i32 0
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%q = insertelement <4 x float> %p, float %a, i32 1
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%r = insertelement <4 x float> %q, float %d, i32 2
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%s = insertelement <4 x float> %r, float %b, i32 3
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ret <4 x float> %s
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}
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define <2 x double> @c(<2 x double>* %y) nounwind {
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; CHECK-LABEL: c:
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; CHECK: # BB#0:
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; CHECK-NEXT: movupd (%rdi), %xmm0
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; CHECK-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0]
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; CHECK-NEXT: retq
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%x = load <2 x double>* %y, align 8
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%a = extractelement <2 x double> %x, i32 0
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%c = extractelement <2 x double> %x, i32 1
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%p = insertelement <2 x double> undef, double %c, i32 0
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%r = insertelement <2 x double> %p, double %a, i32 1
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ret <2 x double> %r
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}
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define <2 x double> @d(<2 x double>* %y, <2 x double> %z) nounwind {
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; CHECK-LABEL: d:
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; CHECK: # BB#0:
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; CHECK-NEXT: movupd (%rdi), %xmm1
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; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
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; CHECK-NEXT: retq
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%x = load <2 x double>* %y, align 8
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%a = extractelement <2 x double> %x, i32 1
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%c = extractelement <2 x double> %z, i32 1
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%p = insertelement <2 x double> undef, double %c, i32 0
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%r = insertelement <2 x double> %p, double %a, i32 1
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ret <2 x double> %r
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}
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