1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
foo()3 void foo() {
4 }
5 
foobool(int argc)6 bool foobool(int argc) {
7   return argc;
8 }
9 
10 struct S1; // expected-note {{declared here}}
11 
12 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
tmain(T argc,S ** argv)13 T tmain(T argc, S **argv) {                   //expected-note 2 {{declared here}}
14 #pragma omp for ordered
15   for (int i = ST; i < N; i++)
16     argv[0][i] = argv[0][i] - argv[0][i - ST];
17 #pragma omp for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
18   for (int i = ST; i < N; i++)
19     argv[0][i] = argv[0][i] - argv[0][i - ST];
20 #pragma omp for ordered() // expected-error {{expected expression}}
21   for (int i = ST; i < N; i++)
22     argv[0][i] = argv[0][i] - argv[0][i - ST];
23 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
24 // expected-error@+2 2 {{expression is not an integral constant expression}}
25 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
26 #pragma omp for ordered(argc
27   for (int i = ST; i < N; i++)
28     argv[0][i] = argv[0][i] - argv[0][i - ST];
29 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
30 #pragma omp for ordered(ST // 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 #pragma omp for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
34   for (int i = ST; i < N; i++)
35     argv[0][i] = argv[0][i] - argv[0][i - ST];
36 #pragma omp for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
37   for (int i = ST; i < N; i++)
38     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}}
39 // expected-error@+3 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
40 // expected-error@+2 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
41 // expected-error@+1 2 {{expression is not an integral constant expression}}
42 #pragma omp for ordered(foobool(argc)), ordered(true), ordered(-5)
43   for (int i = ST; i < N; i++)
44     argv[0][i] = argv[0][i] - argv[0][i - ST];
45 #pragma omp for ordered(S) // expected-error {{'S' does not refer to a value}}
46   for (int i = ST; i < N; i++)
47     argv[0][i] = argv[0][i] - argv[0][i - ST];
48 // expected-error@+1 2 {{expression is not an integral constant expression}}
49 #pragma omp for ordered(argv[1] = 2) // 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 #pragma omp for ordered(1)
53   for (int i = ST; i < N; i++)
54     argv[0][i] = argv[0][i] - argv[0][i - ST];
55 #pragma omp for ordered(N-1) // expected-error 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
56   for (int i = ST; i < N; i++)
57     argv[0][i] = argv[0][i] - argv[0][i - ST];
58 #pragma omp for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
59   for (T i = ST; i < N; i++)
60     argv[0][i] = argv[0][i] - argv[0][i - ST];
61 #pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
62   foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
63 #pragma omp for ordered(N) collapse(N + 2) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}} expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
64   for (int i = ST; i < N; i++)
65     for (int j = ST; j < N; j++)
66       for (int k = ST; k < N; k++)
67         foo();
68   return argc;
69 }
70 
main(int argc,char ** argv)71 int main(int argc, char **argv) {
72 #pragma omp for ordered
73   for (int i = 4; i < 12; i++)
74     argv[0][i] = argv[0][i] - argv[0][i - 4];
75 #pragma omp for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
76   for (int i = 4; i < 12; i++)
77     argv[0][i] = argv[0][i] - argv[0][i - 4];
78 #pragma omp for ordered() // expected-error {{expected expression}}
79   for (int i = 4; i < 12; i++)
80     argv[0][i] = argv[0][i] - argv[0][i - 4];
81 #pragma omp for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
82   for (int i = 4; i < 12; i++)
83     argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
84 #pragma omp for ordered(2 + 2))              // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
85   for (int i = 4; i < 12; i++)
86     argv[0][i] = argv[0][i] - argv[0][i - 4];    // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
87 #pragma omp for ordered(foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
88   for (int i = 4; i < 12; i++)
89     argv[0][i] = argv[0][i] - argv[0][i - 4];
90 // expected-error@+3 {{expression is not an integral constant expression}}
91 // expected-error@+2 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
92 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
93 #pragma omp for ordered(foobool(argc)), ordered(true), ordered(-5)
94   for (int i = 4; i < 12; i++)
95     argv[0][i] = argv[0][i] - argv[0][i - 4];
96 #pragma omp for ordered(S1) // expected-error {{'S1' does not refer to a value}}
97   for (int i = 4; i < 12; i++)
98     argv[0][i] = argv[0][i] - argv[0][i - 4];
99 // expected-error@+1 {{expression is not an integral constant expression}}
100 #pragma omp for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
101   for (int i = 4; i < 12; i++)
102     argv[0][i] = argv[0][i] - argv[0][i - 4];
103 // expected-error@+3 {{statement after '#pragma omp for' must be a for loop}}
104 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
105 #pragma omp for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
106   foo();
107 #pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
108   foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
109 #pragma omp for ordered(0)              // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
110   for (int i = 4; i < 12; i++)
111     argv[0][i] = argv[0][i] - argv[0][i - 4];
112 #pragma omp for ordered(2) collapse(3) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}}
113   for (int i = 0; i < 10; i++)
114     for (int j = 0; j < 11; j++)
115       for (int k = 0; k < 12; k++)
116         foo();
117   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
118   return tmain<int, char, 1, 0>(argc, argv);
119 }
120 
121