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 void foo() {
6 }
7 
8 #if __cplusplus >= 201103L
9 // expected-note@+2 4 {{declared here}}
10 #endif
11 bool foobool(int argc) {
12   return argc;
13 }
14 
15 struct S1; // expected-note {{declared here}}
16 
17 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
18 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
19   #pragma omp taskloop simd safelen // expected-error {{expected '(' after 'safelen'}}
20   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
21   #pragma omp taskloop simd safelen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
22   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
23   #pragma omp taskloop simd safelen () // expected-error {{expected expression}}
24   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
25   // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
26   // expected-error@+2 2 {{expression is not an integral constant expression}}
27   // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
28   #pragma omp taskloop simd safelen (argc
29   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
30   // expected-error@+1 {{argument to 'safelen' clause must be a strictly positive integer value}}
31   #pragma omp taskloop simd safelen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
32   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
33   #pragma omp taskloop simd safelen (1)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
34   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
35   #pragma omp taskloop simd safelen ((ST > 0) ? 1 + ST : 2)
36   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
37   // expected-error@+6 2 {{directive '#pragma omp taskloop simd' cannot contain more than one 'safelen' clause}}
38   // expected-error@+5 2 {{argument to 'safelen' clause must be a strictly positive integer value}}
39   // expected-error@+4 2 {{expression is not an integral constant expression}}
40 #if __cplusplus >= 201103L
41   // expected-note@+2 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
42 #endif
43   #pragma omp taskloop simd safelen (foobool(argc)), safelen (true), safelen (-5)
44   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
45   #pragma omp taskloop simd safelen (S) // expected-error {{'S' does not refer to a value}}
46   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
47 #if __cplusplus <= 199711L
48   // expected-error@+4 2 {{expression is not an integral constant expression}}
49 #else
50   // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
51 #endif
52   #pragma omp taskloop simd safelen (argv[1]=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 taskloop simd safelen (4)
55   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
56   #pragma omp taskloop simd safelen (N) // expected-error {{argument to 'safelen' 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   return argc;
59 }
60 
61 int main(int argc, char **argv) {
62   #pragma omp taskloop simd safelen // expected-error {{expected '(' after 'safelen'}}
63   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
64   #pragma omp taskloop simd safelen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
65   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
66   #pragma omp taskloop simd safelen () // expected-error {{expected expression}}
67   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
68   #pragma omp taskloop simd safelen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
69   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
70   #pragma omp taskloop simd safelen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
71   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
72   // expected-error@+4 {{expression is not an integral constant expression}}
73 #if __cplusplus >= 201103L
74   // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
75 #endif
76   #pragma omp taskloop simd safelen (foobool(1) > 0 ? 1 : 2)
77   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
78   // expected-error@+6 {{expression is not an integral constant expression}}
79 #if __cplusplus >= 201103L
80   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
81 #endif
82   // expected-error@+2 2 {{directive '#pragma omp taskloop simd' cannot contain more than one 'safelen' clause}}
83   // expected-error@+1 2 {{argument to 'safelen' clause must be a strictly positive integer value}}
84   #pragma omp taskloop simd safelen (foobool(argc)), safelen (true), safelen (-5)
85   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
86   #pragma omp taskloop simd safelen (S1) // expected-error {{'S1' does not refer to a value}}
87   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
88 #if __cplusplus <= 199711L
89   // expected-error@+4 {{expression is not an integral constant expression}}
90 #else
91   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
92 #endif
93   #pragma omp taskloop simd safelen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
94   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
95   // expected-error@+3 {{statement after '#pragma omp taskloop simd' must be a for loop}}
96   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
97   #pragma omp taskloop simd safelen(safelen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
98   foo();
99   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
100   return tmain<int, char, 12, 4>(argc, argv);
101 }
102 
103