1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 %s -Wuninitialized
7
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 %s -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 %s -Wuninitialized
14
15 // expected-note@* 0+{{declared here}}
16
foo()17 void foo() {
18 }
19
foobool(int argc)20 bool foobool(int argc) {
21 return argc;
22 }
23
24 struct S1;
25
26 template <class T, typename S, int N, int ST>
tmain(T argc,S ** argv)27 T tmain(T argc, S **argv) {
28 #pragma omp for collapse // expected-error {{expected '(' after 'collapse'}}
29 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
30 #pragma omp for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
31 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
32 #pragma omp for collapse () // expected-error {{expected expression}}
33 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
34 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
35 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
36 #pragma omp for collapse (argc
37 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
38 // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
39 #pragma omp for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
40 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
41 #pragma omp for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
42 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
43 #pragma omp for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
44 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp for', but found only 1}}
45 // expected-error@+3 2 {{directive '#pragma omp for' cannot contain more than one 'collapse' clause}}
46 // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
47 // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
48 #pragma omp for collapse (foobool(argc)), collapse (true), collapse (-5)
49 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
50 #pragma omp for collapse (S) // expected-error {{'S' does not refer to a value}}
51 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
52 #if __cplusplus <= 199711L
53 // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
54 #else
55 // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
56 #endif
57 #pragma omp for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
58 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
59 #pragma omp for collapse (1)
60 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
61 #pragma omp for collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
62 for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
63 #pragma omp for collapse (2) // expected-note {{as specified in 'collapse' clause}}
64 foo(); // expected-error {{expected 2 for loops after '#pragma omp for'}}
65 return argc;
66 }
67
main(int argc,char ** argv)68 int main(int argc, char **argv) {
69 #pragma omp for collapse // expected-error {{expected '(' after 'collapse'}}
70 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
71 #pragma omp for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
72 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
73 #pragma omp for collapse () // expected-error {{expected expression}}
74 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
75 #pragma omp for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
76 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
77 #pragma omp for collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}} expected-note {{as specified in 'collapse' clause}}
78 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
79 // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
80 #pragma omp for collapse (foobool(1) > 0 ? 1 : 2)
81 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
82 // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
83 // expected-error@+2 2 {{directive '#pragma omp for' cannot contain more than one 'collapse' clause}}
84 // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
85 #pragma omp for collapse (foobool(argc)), collapse (true), collapse (-5)
86 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
87 #pragma omp for collapse (S1) // expected-error {{'S1' does not refer to a value}}
88 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
89 #if __cplusplus <= 199711L
90 // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
91 #else
92 // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
93 #endif
94 #pragma omp for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
95 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
96 // expected-error@+3 {{statement after '#pragma omp for' must be a for loop}}
97 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
98 #pragma omp for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
99 foo();
100 #pragma omp for collapse (2) // expected-note {{as specified in 'collapse' clause}}
101 foo(); // expected-error {{expected 2 for loops after '#pragma omp for'}}
102 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
103 return tmain<int, char, 1, 0>(argc, argv);
104 }
105
imperfectlyNestedLoops()106 void imperfectlyNestedLoops() {
107 #pragma omp for collapse(2) // expected-note {{as specified in 'collapse' clause}}
108 for (int i = 0; i < 10; ++i) { // expected-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
109 for (int j = 0; j < 10; ++j)
110 ;
111 for (int j = 0; j < 10; ++j)
112 ;
113 }
114 #pragma omp for collapse(2) // expected-note {{as specified in 'collapse' clause}}
115 for (int i = 0; i < 10; ++i) { // expected-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
116 {
117 for (int j = 0; j < 10; ++j)
118 ;
119 for (int j = 0; j < 10; ++j)
120 ;
121 }
122 {
123 for (int j = 0; j < 10; ++j)
124 ;
125 for (int j = 0; j < 10; ++j)
126 ;
127 }
128 }
129 #pragma omp for collapse(2) // omp45-note {{as specified in 'collapse' clause}}
130 for (int i = 0; i < 10; ++i) { // omp45-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
131 int a, b, c;
132 for (int j = 0; j < 10; ++j)
133 ;
134 {
135 for (int j = 0; j < 10; ++j)
136 ;
137 for (int j = 0; j < 10; ++j)
138 ;
139 }
140 }
141 }
142