1 | // RUN: %clang_cc1 -std=c++11 -verify %s |
2 | |
3 | // Note that this puts the expected lines before the directives to work around |
4 | // limitations in the -verify mode. |
5 | |
6 | void test(int *List, int Length) { |
7 | int i = 0; |
8 | |
9 | #pragma unroll |
10 | while (i + 1 < Length) { |
11 | List[i] = i; |
12 | } |
13 | |
14 | #pragma nounroll |
15 | while (i < Length) { |
16 | List[i] = i; |
17 | } |
18 | |
19 | #pragma unroll 4 |
20 | while (i - 1 < Length) { |
21 | List[i] = i; |
22 | } |
23 | |
24 | #pragma unroll(8) |
25 | while (i - 2 < Length) { |
26 | List[i] = i; |
27 | } |
28 | |
29 | /* expected-error {{expected ')'}} */ #pragma unroll(4 |
30 | /* expected-error {{missing argument; expected an integer value}} */ #pragma unroll() |
31 | /* expected-warning {{extra tokens at end of '#pragma unroll'}} */ #pragma unroll 1 2 |
32 | while (i-6 < Length) { |
33 | List[i] = i; |
34 | } |
35 | |
36 | /* expected-warning {{extra tokens at end of '#pragma nounroll'}} */ #pragma nounroll 1 |
37 | while (i-7 < Length) { |
38 | List[i] = i; |
39 | } |
40 | |
41 | /* expected-error {{expected ')'}} */ #pragma unroll(() |
42 | /* expected-error {{expected expression}} */ #pragma unroll - |
43 | /* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll(0) |
44 | /* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll 0 |
45 | /* expected-error {{value '3000000000' is too large}} */ #pragma unroll(3000000000) |
46 | /* expected-error {{value '3000000000' is too large}} */ #pragma unroll 3000000000 |
47 | while (i-8 < Length) { |
48 | List[i] = i; |
49 | } |
50 | |
51 | #pragma unroll |
52 | /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int j = Length; |
53 | #pragma unroll 4 |
54 | /* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int k = Length; |
55 | #pragma nounroll |
56 | /* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll'}} */ int l = Length; |
57 | |
58 | #pragma unroll 4 |
59 | /* expected-error {{incompatible directives 'unroll(disable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(disable) |
60 | while (i-10 < Length) { |
61 | List[i] = i; |
62 | } |
63 | |
64 | #pragma unroll(4) |
65 | /* expected-error {{incompatible directives 'unroll(full)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(full) |
66 | while (i-11 < Length) { |
67 | List[i] = i; |
68 | } |
69 | |
70 | #pragma unroll(4) |
71 | /* expected-error {{incompatible directives 'unroll(enable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(enable) |
72 | while (i-11 < Length) { |
73 | List[i] = i; |
74 | } |
75 | |
76 | #pragma unroll(4) |
77 | /* expected-error {{incompatible directives '#pragma unroll' and '#pragma unroll(4)'}} */ #pragma unroll |
78 | while (i-11 < Length) { |
79 | List[i] = i; |
80 | } |
81 | |
82 | #pragma clang loop unroll_count(4) |
83 | /* expected-error {{incompatible directives '#pragma nounroll' and 'unroll_count(4)'}} */ #pragma nounroll |
84 | while (i-12 < Length) { |
85 | List[i] = i; |
86 | } |
87 | |
88 | #pragma nounroll |
89 | /* expected-error {{duplicate directives '#pragma nounroll' and '#pragma nounroll'}} */ #pragma nounroll |
90 | while (i-13 < Length) { |
91 | List[i] = i; |
92 | } |
93 | |
94 | #pragma unroll |
95 | /* expected-error {{duplicate directives '#pragma unroll' and '#pragma unroll'}} */ #pragma unroll |
96 | while (i-14 < Length) { |
97 | List[i] = i; |
98 | } |
99 | |
100 | #pragma unroll |
101 | /* expected-error {{duplicate directives '#pragma unroll' and 'unroll(full)'}} */ #pragma clang loop unroll(full) |
102 | while (i-15 < Length) { |
103 | List[i] = i; |
104 | } |
105 | |
106 | #pragma unroll 4 |
107 | /* expected-error {{duplicate directives '#pragma unroll(4)' and '#pragma unroll(4)'}} */ #pragma unroll(4) |
108 | while (i-16 < Length) { |
109 | List[i] = i; |
110 | } |
111 | |
112 | #pragma unroll |
113 | /* expected-error {{expected statement}} */ } |
114 | |