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 // RUN: %clang_cc1 -verify -fopenmp-simd %s
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s
8 
9 void foo() {
10 }
11 
12 #if __cplusplus >= 201103L
13 // expected-note@+2 4 {{declared here}}
14 #endif
15 bool foobool(int argc) {
16   return argc;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
22 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
23 
24 #pragma omp target
25 #pragma omp teams
26 #pragma omp distribute simd safelen // expected-error {{expected '(' after 'safelen'}}
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
32 #pragma omp distribute simd safelen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
33   for (int i = ST; i < N; i++)
34     argv[0][i] = argv[0][i] - argv[0][i-ST];
35 
36 #pragma omp target
37 #pragma omp teams
38 #pragma omp distribute simd safelen () // expected-error {{expected expression}}
39   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
40 
41 #pragma omp target
42 #pragma omp teams
43 #pragma omp 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 ')'}}
44   for (int i = ST; i < N; i++)
45     argv[0][i] = argv[0][i] - argv[0][i-ST];
46 
47 #pragma omp target
48 #pragma omp teams
49 #pragma omp 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 '('}}
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 simd safelen (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute 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 simd safelen ((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 simd safelen (foobool(argc)), safelen (true), safelen (-5) // expected-error 2 {{directive '#pragma omp 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}}
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 simd safelen (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 simd safelen (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 simd safelen (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 simd safelen (N) // expected-error {{argument to 'safelen' 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 parallel for simd safelen // expected-error {{expected '(' after 'safelen'}}
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 parallel for simd safelen ( // 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 parallel for simd safelen () // 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 parallel for simd safelen (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 parallel for simd safelen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp 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 parallel for simd safelen (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 #if __cplusplus >= 201103L
147   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
148 #endif
149 #pragma omp target
150 #pragma omp teams
151 #pragma omp parallel for 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 parallel for simd' cannot contain more than one 'safelen' clause}} expected-error {{expression is not an integral constant expression}}
152   for (int i = 4; i < 12; i++)
153     argv[0][i] = argv[0][i] - argv[0][i-4];
154 
155 #pragma omp target
156 #pragma omp teams
157 #pragma omp parallel for simd safelen (S1) // expected-error {{'S1' does not refer to a value}}
158   for (int i = 4; i < 12; i++)
159     argv[0][i] = argv[0][i] - argv[0][i-4];
160 
161 #if __cplusplus <= 199711L
162   // expected-error@+6 {{expression is not an integral constant expression}}
163 #else
164   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
165 #endif
166 #pragma omp target
167 #pragma omp teams
168 #pragma omp distribute simd safelen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
169   for (int i = 4; i < 12; i++)
170     argv[0][i] = argv[0][i] - argv[0][i-4];
171 
172   // expected-note@+3 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
173 #pragma omp target
174 #pragma omp teams
175 #pragma omp distribute simd safelen(safelen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
176   foo(); // expected-error {{statement after '#pragma omp distribute 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