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 // expected-note@* 0+{{declared here}}
10 
11 void foo() {
12 }
13 
14 bool foobool(int argc) {
15 
16   return argc;
17 }
18 
19 struct S1;
20 
21 template <class T, typename S, int N, int ST>
22 T tmain(T argc, S **argv) {
23   #pragma omp target parallel for collapse // expected-error {{expected '(' after 'collapse'}}
24   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
25   #pragma omp target parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
26   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
27   #pragma omp target parallel for collapse () // expected-error {{expected expression}}
28   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
29   // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
30   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
31   #pragma omp target parallel for collapse (argc
32   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
33   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
34   #pragma omp target parallel for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
35   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
36   #pragma omp target parallel for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
37   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
38   #pragma omp target parallel for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
39   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 target parallel for', but found only 1}}
40   // expected-error@+3 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'collapse' clause}}
41   // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
42   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
43   #pragma omp target parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
44 
45   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
46   #pragma omp target parallel for collapse (S) // expected-error {{'S' does not refer to a value}}
47   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
48 #if __cplusplus >= 201103L
49   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
50 #else
51   // expected-error@+2 2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
52 #endif
53   #pragma omp target parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
54   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
55   #pragma omp target parallel for collapse (1)
56   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
57   #pragma omp target parallel for collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
58   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
59   #pragma omp target parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
60   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
61   return argc;
62 }
63 
64 int main(int argc, char **argv) {
65   #pragma omp target parallel for collapse // expected-error {{expected '(' after 'collapse'}}
66   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
67   #pragma omp target parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
68   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
69   #pragma omp target parallel for collapse () // expected-error {{expected expression}}
70   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
71   #pragma omp target parallel for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
72   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 target parallel for', but found only 1}}
73   #pragma omp target parallel for collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}  expected-note {{as specified in 'collapse' clause}}
74   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 target parallel for', but found only 1}}
75   #pragma omp target parallel for collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}} expected-note 0+{{constant expression}}
76 
77   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
78   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
79   // expected-error@+2 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'collapse' clause}}
80   // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
81   #pragma omp target parallel for collapse (foobool(argc)), collapse (true), collapse (-5)
82 
83   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
84   #pragma omp target parallel for collapse (S1) // expected-error {{'S1' does not refer to a value}}
85   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
86 #if __cplusplus >= 201103L
87   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
88 #else
89   // expected-error@+2 {{integral constant expression}} expected-note@+2 0+{{constant expression}}
90 #endif
91   #pragma omp target parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
92   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
93   // expected-error@+3 {{statement after '#pragma omp target parallel for' must be a for loop}}
94   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
95   #pragma omp target parallel for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
96   foo();
97   #pragma omp target parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}}
98   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
99   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
100   return tmain<int, char, 1, 0>(argc, argv);
101 }
102 
103