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