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