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