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
|
; RUN: llc < %s -march=x86-64
; PR 9267
define<4 x i16> @func_16_32() {
%F = load <4 x i32>, <4 x i32>* undef
%G = trunc <4 x i32> %F to <4 x i16>
%H = load <4 x i32>, <4 x i32>* undef
%Y = trunc <4 x i32> %H to <4 x i16>
%T = add <4 x i16> %Y, %G
store <4 x i16>%T , <4 x i16>* undef
ret <4 x i16> %T
}
define<4 x i16> @func_16_64() {
%F = load <4 x i64>, <4 x i64>* undef
%G = trunc <4 x i64> %F to <4 x i16>
%H = load <4 x i64>, <4 x i64>* undef
%Y = trunc <4 x i64> %H to <4 x i16>
%T = xor <4 x i16> %Y, %G
store <4 x i16>%T , <4 x i16>* undef
ret <4 x i16> %T
}
define<4 x i32> @func_32_64() {
%F = load <4 x i64>, <4 x i64>* undef
%G = trunc <4 x i64> %F to <4 x i32>
%H = load <4 x i64>, <4 x i64>* undef
%Y = trunc <4 x i64> %H to <4 x i32>
%T = or <4 x i32> %Y, %G
ret <4 x i32> %T
}
define<4 x i8> @func_8_16() {
%F = load <4 x i16>, <4 x i16>* undef
%G = trunc <4 x i16> %F to <4 x i8>
%H = load <4 x i16>, <4 x i16>* undef
%Y = trunc <4 x i16> %H to <4 x i8>
%T = add <4 x i8> %Y, %G
ret <4 x i8> %T
}
define<4 x i8> @func_8_32() {
%F = load <4 x i32>, <4 x i32>* undef
%G = trunc <4 x i32> %F to <4 x i8>
%H = load <4 x i32>, <4 x i32>* undef
%Y = trunc <4 x i32> %H to <4 x i8>
%T = sub <4 x i8> %Y, %G
ret <4 x i8> %T
}
define<4 x i8> @func_8_64() {
%F = load <4 x i64>, <4 x i64>* undef
%G = trunc <4 x i64> %F to <4 x i8>
%H = load <4 x i64>, <4 x i64>* undef
%Y = trunc <4 x i64> %H to <4 x i8>
%T = add <4 x i8> %Y, %G
ret <4 x i8> %T
}
define<4 x i16> @const_16_32() {
%G = trunc <4 x i32> <i32 0, i32 3, i32 8, i32 7> to <4 x i16>
ret <4 x i16> %G
}
define<4 x i16> @const_16_64() {
%G = trunc <4 x i64> <i64 0, i64 3, i64 8, i64 7> to <4 x i16>
ret <4 x i16> %G
}
define void @bugOnTruncBitwidthReduce() nounwind {
meh:
%0 = xor <4 x i64> zeroinitializer, zeroinitializer
%1 = trunc <4 x i64> %0 to <4 x i32>
%2 = lshr <4 x i32> %1, <i32 18, i32 18, i32 18, i32 18>
%3 = xor <4 x i32> %2, %1
ret void
}
|