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