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   return argc;
16 }
17 
18 struct S1;
19 
20 template <class T, typename S, int N, int ST>
21 T tmain(T argc, S **argv) {
22   #pragma omp taskloop simd collapse // expected-error {{expected '(' after 'collapse'}}
23   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
24   #pragma omp taskloop simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
25   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
26   #pragma omp taskloop simd collapse () // expected-error {{expected expression}}
27   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
28   // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
29   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
30   #pragma omp taskloop simd collapse (argc
31   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
32   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
33   #pragma omp taskloop simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
34   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
35   #pragma omp taskloop simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
36   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
37   #pragma omp taskloop simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
38   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 taskloop simd', but found only 1}}
39   // expected-error@+3 2 {{directive '#pragma omp taskloop simd' cannot contain more than one 'collapse' clause}}
40   // expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
41   // expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
42   #pragma omp taskloop simd collapse (foobool(argc)), collapse (true), collapse (-5)
43   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
44   #pragma omp taskloop simd collapse (S) // expected-error {{'S' does not refer to a value}}
45   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
46 #if __cplusplus <= 199711L
47   // expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
48 #else
49   // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
50 #endif
51   #pragma omp taskloop simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
52   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
53   #pragma omp taskloop simd collapse (1)
54   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
55   #pragma omp taskloop simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
56   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
57   #pragma omp taskloop simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
58   foo(); // expected-error {{expected 2 for loops after '#pragma omp taskloop simd'}}
59   return argc;
60 }
61 
62 int main(int argc, char **argv) {
63   #pragma omp taskloop simd collapse // expected-error {{expected '(' after 'collapse'}}
64   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
65   #pragma omp taskloop simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
66   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
67   #pragma omp taskloop simd collapse () // expected-error {{expected expression}}
68   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
69   #pragma omp taskloop simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
70   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 taskloop simd', but found only 1}}
71   #pragma omp taskloop simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}  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 taskloop simd', but found only 1}}
73   // expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
74   #pragma omp taskloop simd collapse (foobool(1) > 0 ? 1 : 2)
75   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
76   // expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
77   // expected-error@+2 2 {{directive '#pragma omp taskloop simd' cannot contain more than one 'collapse' clause}}
78   // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
79   #pragma omp taskloop simd collapse (foobool(argc)), collapse (true), collapse (-5)
80   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
81   #pragma omp taskloop simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
82   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
83 #if __cplusplus <= 199711L
84   // expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
85 #else
86   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
87 #endif
88   #pragma omp taskloop simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
89   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
90   // expected-error@+3 {{statement after '#pragma omp taskloop simd' must be a for loop}}
91   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
92   #pragma omp taskloop simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
93   foo();
94   #pragma omp taskloop simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
95   foo(); // expected-error {{expected 2 for loops after '#pragma omp taskloop simd'}}
96   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
97   return tmain<int, char, 1, 0>(argc, argv);
98 }
99 
100