1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s
4 
5 void foo() {
6 }
7 
8 bool foobool(int argc) {
9   return argc;
10 }
11 
12 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
13 extern S1 a;
14 class S2 {
15   mutable int a;
16 
17 public:
18   S2() : a(0) {}
19   S2(const S2 &s2) : a(s2.a) {}
20   static float S2s;
21   static const float S2sc;
22 };
23 const float S2::S2sc = 0;
24 const S2 b;
25 const S2 ba[5];
26 class S3 {
27   int a;
28   S3 &operator=(const S3 &s3);
29 
30 public:
31   S3() : a(0) {}
32   S3(const S3 &s3) : a(s3.a) {}
33 };
34 const S3 c;
35 const S3 ca[5];
36 extern const int f;
37 class S4 {
38   int a;
39   S4();
40   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
41 
42 public:
43   S4(int v) : a(v) {}
44 };
45 class S5 {
46   int a;
47   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
48 
49 public:
50   S5() : a(0) {}
51   S5(int v) : a(v) {}
52 };
53 class S6 {
54   int a;
55   S6() : a(0) {}
56 
57 public:
58   S6(const S6 &s6) : a(s6.a) {}
59   S6(int v) : a(v) {}
60 };
61 
62 S3 h;
63 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
64 
65 template <class I, class C>
66 int foomain(int argc, char **argv) {
67   I e(4);
68   C g(5);
69   int i;
70   int &j = i;
71 #pragma omp parallel
72 #pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
73   foo();
74 #pragma omp parallel
75 #pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
76   foo();
77 #pragma omp parallel
78 #pragma omp single firstprivate() // expected-error {{expected expression}}
79   foo();
80 #pragma omp parallel
81 #pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
82   foo();
83 #pragma omp parallel
84 #pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
85   foo();
86 #pragma omp parallel
87 #pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
88   foo();
89 #pragma omp parallel
90 #pragma omp single firstprivate(argc)
91   foo();
92 #pragma omp parallel
93 #pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
94   foo();
95 #pragma omp parallel
96 #pragma omp single firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
97   foo();
98 #pragma omp parallel
99 #pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
100   foo();
101 #pragma omp parallel
102 #pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
103   foo();
104 #pragma omp parallel
105 #pragma omp single firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
106   foo();
107 #pragma omp parallel
108 #pragma omp single linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp single'}}
109   foo();
110 #pragma omp parallel
111   {
112     int v = 0;
113     int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
114 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
115     foo();
116     v += i;
117   }
118 #pragma omp parallel shared(i)
119 #pragma omp parallel private(i)
120 #pragma omp single firstprivate(j)
121   foo();
122 #pragma omp parallel
123 #pragma omp single firstprivate(i)
124   foo();
125 #pragma omp parallel
126 #pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
127   foo();
128 #pragma omp parallel private(i)    // expected-note {{defined as private}}
129 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
130   foo();
131 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
132 #pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
133   foo();
134   return 0;
135 }
136 
137 namespace A {
138 double x;
139 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
140 }
141 namespace B {
142 using A::x;
143 }
144 
145 int main(int argc, char **argv) {
146   const int d = 5;
147   const int da[5] = {0};
148   S4 e(4);
149   S5 g(5);
150   S3 m;
151   S6 n(2);
152   int i;
153   int &j = i;
154 #pragma omp parallel
155 #pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
156   foo();
157 #pragma omp parallel
158 #pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
159   foo();
160 #pragma omp parallel
161 #pragma omp single firstprivate() // expected-error {{expected expression}}
162   foo();
163 #pragma omp parallel
164 #pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
165   foo();
166 #pragma omp parallel
167 #pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
168   foo();
169 #pragma omp parallel
170 #pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
171   foo();
172 #pragma omp parallel
173 #pragma omp single firstprivate(argc)
174   foo();
175 #pragma omp parallel
176 #pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
177   foo();
178 #pragma omp parallel
179 #pragma omp single firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
180   foo();
181 #pragma omp parallel
182 #pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
183   foo();
184 #pragma omp parallel
185 #pragma omp single firstprivate(2 * 2) // expected-error {{expected variable name}}
186   foo();
187 #pragma omp parallel
188 #pragma omp single firstprivate(ba) // OK
189   foo();
190 #pragma omp parallel
191 #pragma omp single firstprivate(ca) // OK
192   foo();
193 #pragma omp parallel
194 #pragma omp single firstprivate(da) // OK
195   foo();
196   int xa;
197 #pragma omp parallel
198 #pragma omp single firstprivate(xa) // OK
199   foo();
200 #pragma omp parallel
201 #pragma omp single firstprivate(S2::S2s) // OK
202   foo();
203 #pragma omp parallel
204 #pragma omp single firstprivate(S2::S2sc) // OK
205   foo();
206 #pragma omp parallel
207 #pragma omp single safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp single'}}
208   foo();
209 #pragma omp parallel
210 #pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
211   foo();
212 #pragma omp parallel
213 #pragma omp single firstprivate(m) // OK
214   foo();
215 #pragma omp parallel
216 #pragma omp single firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
217   foo();
218 #pragma omp parallel
219 #pragma omp single private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
220   foo();
221 #pragma omp parallel shared(xa)
222 #pragma omp single firstprivate(xa) // OK: may be firstprivate
223   foo();
224 #pragma omp parallel
225 #pragma omp single firstprivate(j)
226   foo();
227 #pragma omp parallel
228 #pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
229   foo();
230 #pragma omp parallel
231 #pragma omp single firstprivate(n) // OK
232   foo();
233 #pragma omp parallel
234   {
235     int v = 0;
236     int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
237 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
238     foo();
239     v += i;
240   }
241 #pragma omp parallel private(i)    // expected-note {{defined as private}}
242 #pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
243   foo();
244 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
245 #pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
246   foo();
247   static int t;
248 #pragma omp single firstprivate(t)    // OK
249   foo();
250 
251   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
252 }
253