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 
8 void foo() {
9 }
10 
11 #if __cplusplus >= 201103L
12 // expected-note@+2 4 {{declared here}}
13 #endif
14 bool foobool(int argc) {
15   return argc;
16 }
17 
18 struct S1; // expected-note {{declared here}}
19 
20 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
21 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
22 #pragma omp target
23 #pragma omp teams
24 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
25   for (int i = ST; i < N; i++)
26     argv[0][i] = argv[0][i] - argv[0][i-ST];
27 
28 #pragma omp target
29 #pragma omp teams
30 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
31   for (int i = ST; i < N; i++)
32     argv[0][i] = argv[0][i] - argv[0][i-ST];
33 
34 #pragma omp target
35 #pragma omp teams
36 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
37   for (int i = ST; i < N; i++)
38     argv[0][i] = argv[0][i] - argv[0][i-ST];
39 
40 // expected-error@+5 {{expected ')'}} expected-note@+5 {{to match this '('}}
41 // expected-error@+4 2 {{expression is not an integral constant expression}}
42 // expected-note@+3 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
43 #pragma omp target
44 #pragma omp teams
45 #pragma omp distribute parallel for simd simdlen (argc
46   for (int i = ST; i < N; i++)
47     argv[0][i] = argv[0][i] - argv[0][i-ST];
48 
49 // expected-error@+3 {{argument to 'simdlen' clause must be a strictly positive integer value}}
50 #pragma omp target
51 #pragma omp teams
52 #pragma omp distribute parallel for simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
53   for (int i = ST; i < N; i++)
54     argv[0][i] = argv[0][i] - argv[0][i-ST];
55 
56 #pragma omp target
57 #pragma omp teams
58 #pragma omp distribute parallel for simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
59   for (int i = ST; i < N; i++)
60     argv[0][i] = argv[0][i] - argv[0][i-ST];
61 
62 #pragma omp target
63 #pragma omp teams
64 #pragma omp distribute parallel for simd simdlen ((ST > 0) ? 1 + ST : 2)
65   for (int i = ST; i < N; i++)
66     argv[0][i] = argv[0][i] - argv[0][i-ST];
67 
68 #if __cplusplus >= 201103L
69   // expected-note@+7 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
70 #endif
71 #pragma omp target
72 #pragma omp teams
73 // expected-error@+3 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}}
74 // expected-error@+2 {{argument to 'simdlen' clause must be a strictly positive integer value}}
75 // expected-error@+1 2 {{expression is not an integral constant expression}}
76 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
77   for (int i = ST; i < N; i++)
78     argv[0][i] = argv[0][i] - argv[0][i-ST];
79 
80 #pragma omp target
81 #pragma omp teams
82 #pragma omp distribute parallel for simd simdlen (S) // expected-error {{'S' does not refer to a value}}
83   for (int i = ST; i < N; i++)
84     argv[0][i] = argv[0][i] - argv[0][i-ST];
85 
86 #if __cplusplus <= 199711L
87   // expected-error@+6 2 {{expression is not an integral constant expression}}
88 #else
89   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
90 #endif
91 #pragma omp target
92 #pragma omp teams
93 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
94   for (int i = ST; i < N; i++)
95     argv[0][i] = argv[0][i] - argv[0][i-ST];
96 
97 #pragma omp target
98 #pragma omp teams
99 #pragma omp distribute parallel for simd simdlen (4)
100   for (int i = ST; i < N; i++)
101     argv[0][i] = argv[0][i] - argv[0][i-ST];
102 
103 #pragma omp target
104 #pragma omp teams
105 #pragma omp distribute parallel for simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a strictly positive integer value}}
106   for (T i = ST; i < N; i++)
107     argv[0][i] = argv[0][i] - argv[0][i-ST];
108 
109   return argc;
110 }
111 
112 int main(int argc, char **argv) {
113 #pragma omp target
114 #pragma omp teams
115 #pragma omp distribute parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
116   for (int i = 4; i < 12; i++)
117     argv[0][i] = argv[0][i] - argv[0][i-4];
118 
119 #pragma omp target
120 #pragma omp teams
121 #pragma omp distribute parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
122   for (int i = 4; i < 12; i++)
123     argv[0][i] = argv[0][i] - argv[0][i-4];
124 
125 #pragma omp target
126 #pragma omp teams
127 #pragma omp distribute parallel for simd simdlen () // expected-error {{expected expression}}
128   for (int i = 4; i < 12; i++)
129     argv[0][i] = argv[0][i] - argv[0][i-4];
130 
131 #pragma omp target
132 #pragma omp teams
133 #pragma omp distribute parallel for simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
134   for (int i = 4; i < 12; i++)
135     argv[0][i] = argv[0][i] - argv[0][i-4];
136 
137 #pragma omp target
138 #pragma omp teams
139 #pragma omp distribute parallel for simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
140   for (int i = 4; i < 12; i++)
141     argv[0][i] = argv[0][i] - argv[0][i-4];
142 
143 #if __cplusplus >= 201103L
144   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
145 #endif
146 #pragma omp target
147 #pragma omp teams
148 #pragma omp distribute parallel for simd simdlen (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
149   for (int i = 4; i < 12; i++)
150     argv[0][i] = argv[0][i] - argv[0][i-4];
151 
152 
153 #if __cplusplus >= 201103L
154   // expected-note@+7 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
155 #endif
156 #pragma omp target
157 #pragma omp teams
158 // expected-error@+3 {{expression is not an integral constant expression}}
159 // expected-error@+2 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'simdlen' clause}}
160 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
161 #pragma omp distribute parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
162   for (int i = 4; i < 12; i++)
163     argv[0][i] = argv[0][i] - argv[0][i-4];
164 
165 #pragma omp target
166 #pragma omp teams
167 #pragma omp distribute parallel for simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
168   for (int i = 4; i < 12; i++)
169     argv[0][i] = argv[0][i] - argv[0][i-4];
170 
171 #if __cplusplus <= 199711L
172   // expected-error@+6 {{expression is not an integral constant expression}}
173 #else
174   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
175 #endif
176 #pragma omp target
177 #pragma omp teams
178 #pragma omp distribute parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
179   for (int i = 4; i < 12; i++)
180     argv[0][i] = argv[0][i] - argv[0][i-4];
181 
182 #pragma omp target
183 #pragma omp teams
184 #pragma omp distribute parallel for simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} expected-note {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
185   foo(); // expected-error {{statement after '#pragma omp distribute parallel for simd' must be a for loop}}
186 
187   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
188   return tmain<int, char, 12, 4>(argc, argv);
189 }
190 
191