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