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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
| ; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
define <8 x i16> @vshlls8(<8 x i8>* %A) nounwind {
;CHECK-LABEL: vshlls8:
;CHECK: vshll.s8
%tmp1 = load <8 x i8>, <8 x i8>* %A
%sext = sext <8 x i8> %tmp1 to <8 x i16>
%shift = shl <8 x i16> %sext, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7>
ret <8 x i16> %shift
}
define <4 x i32> @vshlls16(<4 x i16>* %A) nounwind {
;CHECK-LABEL: vshlls16:
;CHECK: vshll.s16
%tmp1 = load <4 x i16>, <4 x i16>* %A
%sext = sext <4 x i16> %tmp1 to <4 x i32>
%shift = shl <4 x i32> %sext, <i32 15, i32 15, i32 15, i32 15>
ret <4 x i32> %shift
}
define <2 x i64> @vshlls32(<2 x i32>* %A) nounwind {
;CHECK-LABEL: vshlls32:
;CHECK: vshll.s32
%tmp1 = load <2 x i32>, <2 x i32>* %A
%sext = sext <2 x i32> %tmp1 to <2 x i64>
%shift = shl <2 x i64> %sext, <i64 31, i64 31>
ret <2 x i64> %shift
}
define <8 x i16> @vshllu8(<8 x i8>* %A) nounwind {
;CHECK-LABEL: vshllu8:
;CHECK: vshll.u8
%tmp1 = load <8 x i8>, <8 x i8>* %A
%zext = zext <8 x i8> %tmp1 to <8 x i16>
%shift = shl <8 x i16> %zext, <i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7, i16 7>
ret <8 x i16> %shift
}
define <4 x i32> @vshllu16(<4 x i16>* %A) nounwind {
;CHECK-LABEL: vshllu16:
;CHECK: vshll.u16
%tmp1 = load <4 x i16>, <4 x i16>* %A
%zext = zext <4 x i16> %tmp1 to <4 x i32>
%shift = shl <4 x i32> %zext, <i32 15, i32 15, i32 15, i32 15>
ret <4 x i32> %shift
}
define <2 x i64> @vshllu32(<2 x i32>* %A) nounwind {
;CHECK-LABEL: vshllu32:
;CHECK: vshll.u32
%tmp1 = load <2 x i32>, <2 x i32>* %A
%zext = zext <2 x i32> %tmp1 to <2 x i64>
%shift = shl <2 x i64> %zext, <i64 31, i64 31>
ret <2 x i64> %shift
}
; The following tests use the maximum shift count, so the signedness is
; irrelevant. Test both signed and unsigned versions.
define <8 x i16> @vshlli8(<8 x i8>* %A) nounwind {
;CHECK-LABEL: vshlli8:
;CHECK: vshll.i8
%tmp1 = load <8 x i8>, <8 x i8>* %A
%sext = sext <8 x i8> %tmp1 to <8 x i16>
%shift = shl <8 x i16> %sext, <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8>
ret <8 x i16> %shift
}
define <4 x i32> @vshlli16(<4 x i16>* %A) nounwind {
;CHECK-LABEL: vshlli16:
;CHECK: vshll.i16
%tmp1 = load <4 x i16>, <4 x i16>* %A
%zext = zext <4 x i16> %tmp1 to <4 x i32>
%shift = shl <4 x i32> %zext, <i32 16, i32 16, i32 16, i32 16>
ret <4 x i32> %shift
}
define <2 x i64> @vshlli32(<2 x i32>* %A) nounwind {
;CHECK-LABEL: vshlli32:
;CHECK: vshll.i32
%tmp1 = load <2 x i32>, <2 x i32>* %A
%zext = zext <2 x i32> %tmp1 to <2 x i64>
%shift = shl <2 x i64> %zext, <i64 32, i64 32>
ret <2 x i64> %shift
}
; And these have a shift just out of range so separate vmovl and vshl
; instructions are needed.
define <8 x i16> @vshllu8_bad(<8 x i8>* %A) nounwind {
; CHECK-LABEL: vshllu8_bad:
; CHECK: vmovl.u8
; CHECK: vshl.i16
%tmp1 = load <8 x i8>, <8 x i8>* %A
%zext = zext <8 x i8> %tmp1 to <8 x i16>
%shift = shl <8 x i16> %zext, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9>
ret <8 x i16> %shift
}
define <4 x i32> @vshlls16_bad(<4 x i16>* %A) nounwind {
; CHECK-LABEL: vshlls16_bad:
; CHECK: vmovl.u16
; CHECK: vshl.i32
%tmp1 = load <4 x i16>, <4 x i16>* %A
%sext = sext <4 x i16> %tmp1 to <4 x i32>
%shift = shl <4 x i32> %sext, <i32 17, i32 17, i32 17, i32 17>
ret <4 x i32> %shift
}
define <2 x i64> @vshllu32_bad(<2 x i32>* %A) nounwind {
; CHECK-LABEL: vshllu32_bad:
; CHECK: vmovl.u32
; CHECK: vshl.i64
%tmp1 = load <2 x i32>, <2 x i32>* %A
%zext = zext <2 x i32> %tmp1 to <2 x i64>
%shift = shl <2 x i64> %zext, <i64 33, i64 33>
ret <2 x i64> %shift
}
|