1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 extern int omp_default_mem_alloc;
6 void foo() {
7 }
8 
9 bool foobool(int argc) {
10   return argc;
11 }
12 
13 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
14 extern S1 a;
15 class S2 {
16   mutable int a;
17 
18 public:
19   S2() : a(0) {}
20   S2(const S2 &s2) : a(s2.a) {}
21   static float S2s;
22   static const float S2sc;
23 };
24 const float S2::S2sc = 0;
25 const S2 b;
26 const S2 ba[5];
27 class S3 {
28   int a;
29   S3 &operator=(const S3 &s3);
30 
31 public:
32   S3() : a(0) {}
33   S3(const S3 &s3) : a(s3.a) {}
34 };
35 const S3 c;
36 const S3 ca[5];
37 extern const int f;
38 class S4 {
39   int a;
40   S4();
41   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
42 
43 public:
44   S4(int v) : a(v) {}
45 };
46 class S5 {
47   int a;
48   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
49 
50 public:
51   S5() : a(0) {}
52   S5(int v) : a(v) {}
53 };
54 class S6 {
55   int a;
56   S6() : a(0) {}
57 
58 public:
59   S6(const S6 &s6) : a(s6.a) {}
60   S6(int v) : a(v) {}
61 };
62 
63 S3 h;
64 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
65 
66 template <class I, class C>
67 int foomain(int argc, char **argv) {
68   I e(4);
69   C g(5);
70   int i, z;
71   int &j = i;
72 #pragma omp parallel sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
73   {
74     foo();
75   }
76 #pragma omp parallel sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
77   {
78     foo();
79   }
80 #pragma omp parallel sections firstprivate() // expected-error {{expected expression}}
81   {
82     foo();
83   }
84 #pragma omp parallel sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
85   {
86     foo();
87   }
88 #pragma omp parallel sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
89   {
90     foo();
91   }
92 #pragma omp parallel sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
93   {
94     foo();
95   }
96 #pragma omp parallel sections firstprivate(argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
97   {
98     foo();
99   }
100 #pragma omp parallel sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
101   {
102     foo();
103   }
104 #pragma omp parallel sections firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
105   {
106     foo();
107   }
108 #pragma omp parallel sections firstprivate(argv[1]) // expected-error {{expected variable name}}
109   {
110     foo();
111   }
112 #pragma omp parallel sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
113   {
114     foo();
115   }
116 #pragma omp parallel sections firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
117   {
118     foo();
119   }
120 #pragma omp parallel sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel sections'}}
121   {
122     foo();
123   }
124 #pragma omp parallel
125   {
126     int v = 0;
127     int i;
128 #pragma omp parallel sections firstprivate(i)
129     {
130       foo();
131     }
132     v += i;
133   }
134 #pragma omp parallel shared(i)
135 #pragma omp parallel private(i)
136 #pragma omp parallel sections firstprivate(j)
137   {
138     foo();
139   }
140 #pragma omp parallel sections firstprivate(i)
141   {
142     foo();
143   }
144 #pragma omp parallel sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
145   {
146     foo();
147   }
148 #pragma omp parallel private(i)
149 #pragma omp parallel sections firstprivate(i)
150   {
151     foo();
152   }
153 #pragma omp parallel reduction(+ : i)
154 #pragma omp parallel sections firstprivate(i)
155   {
156     foo();
157   }
158   return 0;
159 }
160 
161 namespace A {
162 double x;
163 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
164 }
165 namespace B {
166 using A::x;
167 }
168 
169 int main(int argc, char **argv) {
170   const int d = 5;
171   const int da[5] = {0};
172   S4 e(4);
173   S5 g(5);
174   S3 m;
175   S6 n(2);
176   int i, z;
177   int &j = i;
178 #pragma omp parallel sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
179   {
180     foo();
181   }
182 #pragma omp parallel sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
183   {
184     foo();
185   }
186 #pragma omp parallel sections firstprivate() // expected-error {{expected expression}}
187   {
188     foo();
189   }
190 #pragma omp parallel sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
191   {
192     foo();
193   }
194 #pragma omp parallel sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
195   {
196     foo();
197   }
198 #pragma omp parallel sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
199   {
200     foo();
201   }
202 #pragma omp parallel sections firstprivate(argc, z)
203   {
204     foo();
205   }
206 #pragma omp parallel sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
207   {
208     foo();
209   }
210 #pragma omp parallel sections firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
211   {
212     foo();
213   }
214 #pragma omp parallel sections firstprivate(argv[1]) // expected-error {{expected variable name}}
215   {
216     foo();
217   }
218 #pragma omp parallel sections firstprivate(2 * 2) // expected-error {{expected variable name}}
219   {
220     foo();
221   }
222 #pragma omp parallel sections firstprivate(ba) // OK
223   {
224     foo();
225   }
226 #pragma omp parallel sections firstprivate(ca) // OK
227   {
228     foo();
229   }
230 #pragma omp parallel sections firstprivate(da) // OK
231   {
232     foo();
233   }
234   int xa;
235 #pragma omp parallel sections firstprivate(xa) // OK
236   {
237     foo();
238   }
239 #pragma omp parallel sections firstprivate(S2::S2s) // OK
240   {
241     foo();
242   }
243 #pragma omp parallel sections firstprivate(S2::S2sc) // OK
244   {
245     foo();
246   }
247 #pragma omp parallel sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp parallel sections'}}
248   {
249     foo();
250   }
251 #pragma omp parallel sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
252   {
253     foo();
254   }
255 #pragma omp parallel sections firstprivate(m) // OK
256   {
257     foo();
258   }
259 #pragma omp parallel sections firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
260   {
261     foo();
262   }
263 #pragma omp parallel sections private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
264   {
265     foo();
266   }
267 #pragma omp parallel shared(xa)
268 #pragma omp parallel sections firstprivate(xa) // OK: may be firstprivate
269   {
270     foo();
271   }
272 #pragma omp parallel sections firstprivate(j)
273   {
274     foo();
275   }
276 #pragma omp parallel sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
277   {
278     foo();
279   }
280 #pragma omp parallel sections lastprivate(n) firstprivate(n) // OK
281   {
282     foo();
283   }
284 #pragma omp parallel
285   {
286     int v = 0;
287     int i;
288 #pragma omp parallel sections firstprivate(i)
289     {
290       foo();
291     }
292     v += i;
293   }
294 #pragma omp parallel private(i)
295 #pragma omp parallel sections firstprivate(i)
296   {
297     foo();
298   }
299 #pragma omp parallel reduction(+ : i)
300 #pragma omp parallel sections firstprivate(i)
301   {
302     foo();
303   }
304   static int r;
305 #pragma omp parallel sections firstprivate(r) // OK
306   {
307     foo();
308   }
309 
310   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
311 }
312