1 // RUN: %clang_cc1 -verify -fopenmp %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd %s
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s
8 
9 void foo() {
10 }
11 
12 #if __cplusplus >= 201103L
13  // expected-note@+2 4 {{declared here}}
14 #endif
15 bool foobool(int argc) {
16   return argc;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
22 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
23   int j; // expected-note {{declared here}}
24   #pragma omp target parallel for simd collapse // expected-error {{expected '(' after 'collapse'}}
25   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
26   #pragma omp target parallel for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
27   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
28   #pragma omp target parallel for simd collapse () // expected-error {{expected expression}}
29   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
30   // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
31   // expected-error@+2 2 {{expression is not an integral constant expression}}
32   // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
33   #pragma omp target parallel for simd collapse (argc
34   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
35   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
36   #pragma omp target parallel for simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
37   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
38   #pragma omp target parallel for simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
39   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
40   #pragma omp target parallel for simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
41   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 simd', but found only 1}}
42 #if __cplusplus >= 201103L
43   // expected-note@+5 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
44 #endif
45   // expected-error@+3 2 {{directive '#pragma omp target parallel for simd' cannot contain more than one 'collapse' clause}}
46   // expected-error@+2 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
47   // expected-error@+1 2 {{expression is not an integral constant expression}}
48   #pragma omp target parallel for simd 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 target parallel for simd 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   // expected-note@+2 {{read of non-const variable 'j' is not allowed in a constant expression}}
53   // expected-error@+1 {{expression is not an integral constant expression}}
54   #pragma omp target parallel for simd collapse (j=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
55   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
56   #pragma omp target parallel for simd collapse (1)
57   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
58   #pragma omp target parallel for simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
59   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
60   #pragma omp target parallel for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
61   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for simd'}}
62   return argc;
63 }
64 
65 int main(int argc, char **argv) {
66   int j; // expected-note {{declared here}}
67   #pragma omp target parallel for simd collapse // expected-error {{expected '(' after 'collapse'}}
68   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
69   #pragma omp target parallel for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
70   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
71   #pragma omp target parallel for simd collapse () // expected-error {{expected expression}}
72   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
73   #pragma omp target parallel for simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} 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 simd', but found only 1}}
75   #pragma omp target parallel for simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}  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 target parallel for simd', but found only 1}}
77 #if __cplusplus >= 201103L
78   // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
79 #endif
80   #pragma omp target parallel for simd collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
81   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
82 #if __cplusplus >= 201103L
83   // expected-note@+5 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
84 #endif
85   // expected-error@+3 {{expression is not an integral constant expression}}
86   // expected-error@+2 2 {{directive '#pragma omp target parallel for simd' cannot contain more than one 'collapse' clause}}
87   // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
88   #pragma omp target parallel for simd collapse (foobool(argc)), collapse (true), collapse (-5)
89   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
90   #pragma omp target parallel for simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
91   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
92   // expected-note@+2 {{read of non-const variable 'j' is not allowed in a constant expression}}
93   // expected-error@+1 {{expression is not an integral constant expression}}
94   #pragma omp target parallel for simd collapse (j=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 target parallel for simd' 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 target parallel for simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
99   foo();
100   #pragma omp target parallel for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
101   foo(); // expected-error {{expected 2 for loops after '#pragma omp target parallel for simd'}}
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 
106