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 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 
24 #pragma omp target
25 #pragma omp teams
26 #pragma omp distribute simd safelen // expected-error {{expected '(' after 'safelen'}}
27   for (int i = ST; i < N; i++)
28     argv[0][i] = argv[0][i] - argv[0][i-ST];
29 
30 #pragma omp target
31 #pragma omp teams
32 #pragma omp distribute simd safelen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
33   for (int i = ST; i < N; i++)
34     argv[0][i] = argv[0][i] - argv[0][i-ST];
35 
36 #pragma omp target
37 #pragma omp teams
38 #pragma omp distribute simd safelen () // expected-error {{expected expression}}
39   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
40 
41 #pragma omp target
42 #pragma omp teams
43 #pragma omp distribute simd safelen (argc  // expected-note {{to match this '('}} expected-error 2 {{integral constant expression}} expected-note 2 {{read of non-const variable 'argc' is not allowed in a constant expression}} expected-error {{expected ')'}}
44   for (int i = ST; i < N; i++)
45     argv[0][i] = argv[0][i] - argv[0][i-ST];
46 
47 #pragma omp target
48 #pragma omp teams
49 #pragma omp distribute simd safelen (ST // expected-error {{argument to 'safelen' clause must be a strictly positive integer value}} expected-error {{expected ')'}} expected-note {{to match this '('}}
50   for (int i = ST; i < N; i++)
51     argv[0][i] = argv[0][i] - argv[0][i-ST];
52 
53 #pragma omp target
54 #pragma omp teams
55 #pragma omp distribute simd safelen (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute simd' are ignored}}
56   for (int i = ST; i < N; i++)
57      argv[0][i] = argv[0][i] - argv[0][i-ST];
58 
59 #pragma omp target
60 #pragma omp teams
61 #pragma omp distribute simd safelen ((ST > 0) ? 1 + ST : 2)
62   for (int i = ST; i < N; i++)
63     argv[0][i] = argv[0][i] - argv[0][i-ST];
64 
65 #if __cplusplus >= 201103L
66   // expected-note@+7 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
67 #endif
68 #pragma omp target
69 #pragma omp teams
70 // expected-error@+3 2 {{directive '#pragma omp distribute simd' cannot contain more than one 'safelen' clause}}
71 // expected-error@+2 {{argument to 'safelen' clause must be a strictly positive integer value}}
72 // expected-error@+1 2 {{integral constant expression}}
73 #pragma omp distribute simd safelen (foobool(argc)), safelen (true), safelen (-5)
74   for (int i = ST; i < N; i++)
75     argv[0][i] = argv[0][i] - argv[0][i-ST];
76 
77 #pragma omp target
78 #pragma omp teams
79 #pragma omp distribute simd safelen (S) // expected-error {{'S' does not refer to a value}}
80   for (int i = ST; i < N; i++)
81     argv[0][i] = argv[0][i] - argv[0][i-ST];
82 
83 #if __cplusplus <= 199711L
84   // expected-error@+6 2 {{integral constant expression}}
85 #else
86   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
87 #endif
88 #pragma omp target
89 #pragma omp teams
90 #pragma omp distribute simd safelen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
91   for (int i = ST; i < N; i++)
92     argv[0][i] = argv[0][i] - argv[0][i-ST];
93 
94 #pragma omp target
95 #pragma omp teams
96 #pragma omp distribute simd safelen (4)
97   for (int i = ST; i < N; i++)
98     argv[0][i] = argv[0][i] - argv[0][i-ST];
99 
100 #pragma omp target
101 #pragma omp teams
102 #pragma omp distribute simd safelen (N) // expected-error {{argument to 'safelen' clause must be a strictly positive integer value}}
103   for (T i = ST; i < N; i++)
104     argv[0][i] = argv[0][i] - argv[0][i-ST];
105 
106   return argc;
107 }
108 
109 int main(int argc, char **argv) {
110 #pragma omp target
111 #pragma omp teams
112 #pragma omp parallel for simd safelen // expected-error {{expected '(' after 'safelen'}}
113   for (int i = 4; i < 12; i++)
114     argv[0][i] = argv[0][i] - argv[0][i-4];
115 
116 #pragma omp target
117 #pragma omp teams
118 #pragma omp parallel for simd safelen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
119   for (int i = 4; i < 12; i++)
120     argv[0][i] = argv[0][i] - argv[0][i-4];
121 
122 #pragma omp target
123 #pragma omp teams
124 #pragma omp parallel for simd safelen () // expected-error {{expected expression}}
125   for (int i = 4; i < 12; i++)
126     argv[0][i] = argv[0][i] - argv[0][i-4];
127 
128 #pragma omp target
129 #pragma omp teams
130 #pragma omp parallel for simd safelen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
131   for (int i = 4; i < 12; i++)
132     argv[0][i] = argv[0][i] - argv[0][i-4];
133 
134 #pragma omp target
135 #pragma omp teams
136 #pragma omp parallel for simd safelen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}
137   for (int i = 4; i < 12; i++)
138     argv[0][i] = argv[0][i] - argv[0][i-4];
139 
140 #if __cplusplus >= 201103L
141   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
142 #endif
143 #pragma omp target
144 #pragma omp teams
145 #pragma omp parallel for simd safelen (foobool(1) > 0 ? 1 : 2) // expected-error {{integral constant expression}}
146   for (int i = 4; i < 12; i++)
147     argv[0][i] = argv[0][i] - argv[0][i-4];
148 
149 #if __cplusplus >= 201103L
150   // expected-note@+7 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
151 #endif
152 #pragma omp target
153 #pragma omp teams
154 // expected-error@+3 {{argument to 'safelen' clause must be a strictly positive integer value}}
155 // expected-error@+2 2 {{directive '#pragma omp parallel for simd' cannot contain more than one 'safelen' clause}}
156 // expected-error@+1 {{integral constant expression}}
157 #pragma omp parallel for simd safelen (foobool(argc)), safelen (true), safelen (-5)
158   for (int i = 4; i < 12; i++)
159     argv[0][i] = argv[0][i] - argv[0][i-4];
160 
161 #pragma omp target
162 #pragma omp teams
163 #pragma omp parallel for simd safelen (S1) // expected-error {{'S1' does not refer to a value}}
164   for (int i = 4; i < 12; i++)
165     argv[0][i] = argv[0][i] - argv[0][i-4];
166 
167 #if __cplusplus <= 199711L
168   // expected-error@+6 {{integral constant expression}}
169 #else
170   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
171 #endif
172 #pragma omp target
173 #pragma omp teams
174 #pragma omp distribute simd safelen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
175   for (int i = 4; i < 12; i++)
176     argv[0][i] = argv[0][i] - argv[0][i-4];
177 
178   // expected-note@+3 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
179 #pragma omp target
180 #pragma omp teams
181 #pragma omp distribute simd safelen(safelen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
182   foo(); // expected-error {{statement after '#pragma omp distribute simd' must be a for loop}}
183 
184   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
185   return tmain<int, char, 12, 4>(argc, argv);
186 }
187 
188