1 // RUN: %clang_cc1 -verify -fopenmp %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
4 
5 void foo() {
6 }
7 
8 #if __cplusplus >= 201103L
9 // expected-note@+2 4 {{declared here}}
10 #endif
11 bool foobool(int argc) {
12   return argc;
13 }
14 
15 struct S1; // expected-note {{declared here}}
16 
17 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
18 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
19 #pragma omp target
20 #pragma omp teams
21 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
22   for (int i = ST; i < N; i++)
23     argv[0][i] = argv[0][i] - argv[0][i-ST];
24 
25 #pragma omp target
26 #pragma omp teams
27 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
28   for (int i = ST; i < N; i++)
29     argv[0][i] = argv[0][i] - argv[0][i-ST];
30 
31 #pragma omp target
32 #pragma omp teams
33 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
34   for (int i = ST; i < N; i++)
35     argv[0][i] = argv[0][i] - argv[0][i-ST];
36 
37 // expected-error@+5 {{expected ')'}} expected-note@+5 {{to match this '('}}
38 // expected-error@+4 2 {{expression is not an integral constant expression}}
39 // expected-note@+3 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
40 #pragma omp target
41 #pragma omp teams
42 #pragma omp distribute parallel for simd simdlen (argc
43   for (int i = ST; i < N; i++)
44     argv[0][i] = argv[0][i] - argv[0][i-ST];
45 
46 // expected-error@+3 {{argument to 'simdlen' clause must be a strictly positive integer value}}
47 #pragma omp target
48 #pragma omp teams
49 #pragma omp distribute parallel for simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
50   for (int i = ST; i < N; i++)
51     argv[0][i] = argv[0][i] - argv[0][i-ST];
52 
53 #pragma omp target
54 #pragma omp teams
55 #pragma omp distribute parallel for simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
56   for (int i = ST; i < N; i++)
57     argv[0][i] = argv[0][i] - argv[0][i-ST];
58 
59 #pragma omp target
60 #pragma omp teams
61 #pragma omp distribute parallel for simd simdlen ((ST > 0) ? 1 + ST : 2)
62   for (int i = ST; i < N; i++)
63     argv[0][i] = argv[0][i] - argv[0][i-ST];
64 
65 #if __cplusplus >= 201103L
66   // expected-note@+4 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
67 #endif
68 #pragma omp target
69 #pragma omp teams
70 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}} expected-error 2 {{argument to 'simdlen' clause must be a strictly positive integer value}} expected-error 2 {{expression is not an integral constant expression}}
71   for (int i = ST; i < N; i++)
72     argv[0][i] = argv[0][i] - argv[0][i-ST];
73 
74 #pragma omp target
75 #pragma omp teams
76 #pragma omp distribute parallel for simd simdlen (S) // expected-error {{'S' does not refer to a value}}
77   for (int i = ST; i < N; i++)
78     argv[0][i] = argv[0][i] - argv[0][i-ST];
79 
80 #if __cplusplus <= 199711L
81   // expected-error@+6 2 {{expression is not an integral constant expression}}
82 #else
83   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
84 #endif
85 #pragma omp target
86 #pragma omp teams
87 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
88   for (int i = ST; i < N; i++)
89     argv[0][i] = argv[0][i] - argv[0][i-ST];
90 
91 #pragma omp target
92 #pragma omp teams
93 #pragma omp distribute parallel for simd simdlen (4)
94   for (int i = ST; i < N; i++)
95     argv[0][i] = argv[0][i] - argv[0][i-ST];
96 
97 #pragma omp target
98 #pragma omp teams
99 #pragma omp distribute parallel for simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a strictly positive integer value}}
100   for (T i = ST; i < N; i++)
101     argv[0][i] = argv[0][i] - argv[0][i-ST];
102 
103   return argc;
104 }
105 
106 int main(int argc, char **argv) {
107 #pragma omp target
108 #pragma omp teams
109 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
110   for (int i = 4; i < 12; i++)
111     argv[0][i] = argv[0][i] - argv[0][i-4];
112 
113 #pragma omp target
114 #pragma omp teams
115 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
116   for (int i = 4; i < 12; i++)
117     argv[0][i] = argv[0][i] - argv[0][i-4];
118 
119 #pragma omp target
120 #pragma omp teams
121 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
122   for (int i = 4; i < 12; i++)
123     argv[0][i] = argv[0][i] - argv[0][i-4];
124 
125 #pragma omp target
126 #pragma omp teams
127 #pragma omp distribute parallel for simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
128   for (int i = 4; i < 12; i++)
129     argv[0][i] = argv[0][i] - argv[0][i-4];
130 
131 #pragma omp target
132 #pragma omp teams
133 #pragma omp distribute parallel for simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
134   for (int i = 4; i < 12; i++)
135     argv[0][i] = argv[0][i] - argv[0][i-4];
136 
137 #if __cplusplus >= 201103L
138   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
139 #endif
140 #pragma omp target
141 #pragma omp teams
142 #pragma omp distribute parallel for simd simdlen (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
143   for (int i = 4; i < 12; i++)
144     argv[0][i] = argv[0][i] - argv[0][i-4];
145 
146 
147 #if __cplusplus >= 201103L
148   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
149 #endif
150 #pragma omp target
151 #pragma omp teams
152 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5) // expected-error {{expression is not an integral constant expression}} expected-error 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}} expected-error 2 {{argument to 'simdlen' clause must be a strictly positive integer value}}
153   for (int i = 4; i < 12; i++)
154     argv[0][i] = argv[0][i] - argv[0][i-4];
155 
156 #pragma omp target
157 #pragma omp teams
158 #pragma omp distribute parallel for simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
159   for (int i = 4; i < 12; i++)
160     argv[0][i] = argv[0][i] - argv[0][i-4];
161 
162 #if __cplusplus <= 199711L
163   // expected-error@+6 {{expression is not an integral constant expression}}
164 #else
165   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
166 #endif
167 #pragma omp target
168 #pragma omp teams
169 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
170   for (int i = 4; i < 12; i++)
171     argv[0][i] = argv[0][i] - argv[0][i-4];
172 
173 #pragma omp target
174 #pragma omp teams
175 #pragma omp distribute parallel for simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} expected-note {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
176   foo(); // expected-error {{statement after '#pragma omp distribute parallel for simd' must be a for loop}}
177 
178   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
179   return tmain<int, char, 12, 4>(argc, argv);
180 }
181 
182