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
117
118
119
120
121
122
|
// RUN: %clang_cc1 -std=c++11 -verify %s
// Note that this puts the expected lines before the directives to work around
// limitations in the -verify mode.
void test(int *List, int Length) {
int i = 0;
#pragma unroll
while (i + 1 < Length) {
List[i] = i;
}
#pragma nounroll
while (i < Length) {
List[i] = i;
}
#pragma unroll 4
while (i - 1 < Length) {
List[i] = i;
}
#pragma unroll(8)
while (i - 2 < Length) {
List[i] = i;
}
/* expected-error {{expected ')'}} */ #pragma unroll(4
/* expected-error {{missing argument; expected an integer value}} */ #pragma unroll()
/* expected-warning {{extra tokens at end of '#pragma unroll'}} */ #pragma unroll 1 2
while (i-6 < Length) {
List[i] = i;
}
/* expected-warning {{extra tokens at end of '#pragma nounroll'}} */ #pragma nounroll 1
while (i-7 < Length) {
List[i] = i;
}
/* expected-error {{expected ')'}} */ #pragma unroll(()
/* expected-error {{expected expression}} */ #pragma unroll -
/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll(0)
/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll 0
/* expected-error {{value '3000000000' is too large}} */ #pragma unroll(3000000000)
/* expected-error {{value '3000000000' is too large}} */ #pragma unroll 3000000000
while (i-8 < Length) {
List[i] = i;
}
#pragma unroll
/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int j = Length;
#pragma unroll 4
/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int k = Length;
#pragma nounroll
/* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll'}} */ int l = Length;
switch (i) {
case 1:
#pragma unroll
/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ [[fallthrough]];
case 2:
for (int i = 0; i < 10; ++i);
break;
}
#pragma unroll 4
/* expected-error {{incompatible directives 'unroll(disable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(disable)
while (i-10 < Length) {
List[i] = i;
}
#pragma unroll(4)
/* expected-error {{incompatible directives 'unroll(full)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(full)
while (i-11 < Length) {
List[i] = i;
}
#pragma unroll(4)
/* expected-error {{incompatible directives 'unroll(enable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(enable)
while (i-11 < Length) {
List[i] = i;
}
#pragma unroll(4)
/* expected-error {{incompatible directives '#pragma unroll' and '#pragma unroll(4)'}} */ #pragma unroll
while (i-11 < Length) {
List[i] = i;
}
#pragma clang loop unroll_count(4)
/* expected-error {{incompatible directives '#pragma nounroll' and 'unroll_count(4)'}} */ #pragma nounroll
while (i-12 < Length) {
List[i] = i;
}
#pragma nounroll
/* expected-error {{duplicate directives '#pragma nounroll' and '#pragma nounroll'}} */ #pragma nounroll
while (i-13 < Length) {
List[i] = i;
}
#pragma unroll
/* expected-error {{duplicate directives '#pragma unroll' and '#pragma unroll'}} */ #pragma unroll
while (i-14 < Length) {
List[i] = i;
}
#pragma unroll
/* expected-error {{duplicate directives '#pragma unroll' and 'unroll(full)'}} */ #pragma clang loop unroll(full)
while (i-15 < Length) {
List[i] = i;
}
#pragma unroll 4
/* expected-error {{duplicate directives '#pragma unroll(4)' and '#pragma unroll(4)'}} */ #pragma unroll(4)
while (i-16 < Length) {
List[i] = i;
}
#pragma unroll
/* expected-error {{expected statement}} */ }
|
