1 // RUN: %clang_cc1 -verify -fopenmp %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
3 
4 // RUN: %clang_cc1 -verify -fopenmp-simd %s
5 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s
6 
7 void foo() {
8 }
9 
10 #if __cplusplus >= 201103L
11 // expected-note@+2 4 {{declared here}}
12 #endif
13 bool foobool(int argc) {
14   return argc;
15 }
16 
17 struct S1; // expected-note {{declared here}}
18 
19 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
20 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
21   int j; // expected-note {{declared here}}
22   #pragma omp target 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 target 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 target 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@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
29   // expected-error@+2 2 {{expression is not an integral constant expression}}
30   // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
31   #pragma omp target simd 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 simd 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 simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' are ignored}}
37   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
38   #pragma omp target simd 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 simd', but found only 1}}
40 #if __cplusplus >= 201103L
41   // expected-note@+5 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
42 #endif
43   // expected-error@+3 2 {{directive '#pragma omp target simd' cannot contain more than one 'collapse' clause}}
44   // expected-error@+2 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
45   // expected-error@+1 2 {{expression is not an integral constant expression}}
46   #pragma omp target simd collapse (foobool(argc)), collapse (true), collapse (-5)
47   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
48   #pragma omp target simd collapse (S) // expected-error {{'S' does not refer to a value}}
49   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
50   // expected-note@+2 {{read of non-const variable 'j' is not allowed in a constant expression}}
51   // expected-error@+1 {{expression is not an integral constant expression}}
52   #pragma omp target simd collapse (j=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
53   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
54   #pragma omp target simd collapse (1)
55   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
56   #pragma omp target simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
57   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
58   #pragma omp target simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
59   foo(); // expected-error {{expected 2 for loops after '#pragma omp target simd'}}
60   return argc;
61 }
62 
63 int main(int argc, char **argv) {
64   int j; // expected-note {{declared here}}
65   #pragma omp target simd 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 simd 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 simd 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 simd 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 simd', but found only 1}}
73   #pragma omp target simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target simd' 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 simd', but found only 1}}
75 #if __cplusplus >= 201103L
76   // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
77 #endif
78   #pragma omp target simd collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
79   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
80 #if __cplusplus >= 201103L
81   // expected-note@+5 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
82 #endif
83   // expected-error@+3 {{expression is not an integral constant expression}}
84   // expected-error@+2 2 {{directive '#pragma omp target simd' cannot contain more than one 'collapse' clause}}
85   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
86   #pragma omp target simd collapse (foobool(argc)), collapse (true), collapse (-5)
87   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
88   #pragma omp target simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
89   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
90   // expected-note@+2 {{read of non-const variable 'j' is not allowed in a constant expression}}
91   // expected-error@+1 {{expression is not an integral constant expression}}
92   #pragma omp target simd collapse (j=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
93   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
94   // expected-error@+3 {{statement after '#pragma omp target simd' must be a for loop}}
95   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
96   #pragma omp target simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
97   foo();
98   #pragma omp target simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
99   foo(); // expected-error {{expected 2 for loops after '#pragma omp target simd'}}
100   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
101   return tmain<int, char, 1, 0>(argc, argv);
102 }
103 
104