1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp %s -Wuninitialized
3 
4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-version=50 -fopenmp-simd %s -Wuninitialized
6 
7 extern int omp_default_mem_alloc;
8 void foo() {
9 }
10 
11 bool foobool(int argc) {
12   return argc;
13 }
14 
15 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
16 extern S1 a;
17 class S2 {
18   mutable int a;
19 
20 public:
21   S2() : a(0) {}
22   S2(S2 &s2) : a(s2.a) {}
23   const S2 &operator=(const S2 &) const;
24   static float S2s; // expected-note {{static data member is predetermined as shared}}
25   static const float S2sc; // expected-note {{'S2sc' declared here}}
26 };
27 const float S2::S2sc = 0;
28 const S2 b;
29 const S2 ba[5];
30 class S3 {
31   int a;
32   S3 &operator=(const S3 &s3); // expected-note 2 {{implicitly declared private here}}
33 
34 public:
35   S3() : a(0) {}
36   S3(S3 &s3) : a(s3.a) {}
37 };
38 const S3 c;         // expected-note {{'c' defined here}}
39 const S3 ca[5];     // expected-note {{'ca' defined here}}
40 extern const int f; // expected-note {{'f' declared here}}
41 class S4 {
42   int a;
43   S4();             // expected-note 3 {{implicitly declared private here}}
44   S4(const S4 &s4);
45 
46 public:
47   S4(int v) : a(v) {}
48 };
49 class S5 {
50   int a;
51   S5() : a(0) {} // expected-note {{implicitly declared private here}}
52 
53 public:
54   S5(const S5 &s5) : a(s5.a) {}
55   S5(int v) : a(v) {}
56 };
57 class S6 {
58   int a;
59   S6() : a(0) {}
60 
61 public:
62   S6(const S6 &s6) : a(s6.a) {}
63   S6(int v) : a(v) {}
64 };
65 
66 S3 h;
67 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
68 
69 template <class I, class C>
70 int foomain(int argc, char **argv) {
71   I e(4); // omp50-note {{'e' defined here}}
72   I g(5);
73   int i;
74   int &j = i;
75 #pragma omp parallel sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
76   {
77     foo();
78   }
79 #pragma omp parallel sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
80   {
81     foo();
82   }
83 #pragma omp parallel sections lastprivate() // expected-error {{expected expression}}
84   {
85     foo();
86   }
87 #pragma omp parallel sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
88   {
89     foo();
90   }
91 #pragma omp parallel sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
92   {
93     foo();
94   }
95 #pragma omp parallel sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
96   {
97     foo();
98   }
99 #pragma omp parallel sections lastprivate(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 '('}}
100   {
101     foo();
102   }
103 #pragma omp parallel sections lastprivate(conditional: e,argc) lastprivate(conditional: // omp50-error {{expected expression}} omp45-error 2 {{use of undeclared identifier 'conditional'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
104   {
105     foo();
106   }
107 #pragma omp parallel sections lastprivate(foo:argc) // omp50-error {{expected 'conditional' in OpenMP clause 'lastprivate'}} omp45-error {{expected ',' or ')' in 'lastprivate' clause}} omp45-error {{expected ')'}} omp45-error {{expected variable name}} omp45-note {{to match this '('}}
108   {
109     foo();
110   }
111 #pragma omp parallel sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
112   {
113     foo();
114   }
115 #pragma omp parallel sections lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
116   {
117     foo();
118   }
119 #pragma omp parallel sections lastprivate(argv[1]) // expected-error {{expected variable name}}
120   {
121     foo();
122   }
123 #pragma omp parallel sections lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}}
124   {
125     foo();
126   }
127 #pragma omp parallel sections lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
128   {
129     foo();
130   }
131 #pragma omp parallel sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel sections'}}
132   {
133     foo();
134   }
135 #pragma omp parallel
136   {
137     int v = 0;
138     int i;
139 #pragma omp parallel sections lastprivate(i)
140     {
141       foo();
142     }
143     v += i;
144   }
145 #pragma omp parallel shared(i)
146 #pragma omp parallel private(i)
147 #pragma omp parallel sections lastprivate(j)
148   {
149     foo();
150   }
151 #pragma omp parallel sections lastprivate(i)
152   {
153     foo();
154   }
155   return 0;
156 }
157 
158 namespace A {
159 double x;
160 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
161 }
162 namespace B {
163 using A::x;
164 }
165 
166 int main(int argc, char **argv) {
167   const int d = 5;       // expected-note {{'d' defined here}}
168   const int da[5] = {0}; // expected-note {{'da' defined here}}
169   S4 e(4);
170   S5 g(5);
171   S3 m;
172   S6 n(2);
173   int i;
174   int &j = i;
175 #pragma omp parallel sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
176   {
177     foo();
178   }
179 #pragma omp parallel sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
180   {
181     foo();
182   }
183 #pragma omp parallel sections lastprivate() // expected-error {{expected expression}}
184   {
185     foo();
186   }
187 #pragma omp parallel sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
188   {
189     foo();
190   }
191 #pragma omp parallel sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
192   {
193     foo();
194   }
195 #pragma omp parallel sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
196   {
197     foo();
198   }
199 #pragma omp parallel sections lastprivate(argc)
200   {
201     foo();
202   }
203 #pragma omp parallel sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
204   {
205     foo();
206   }
207 #pragma omp parallel sections lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be lastprivate}} expected-error 2 {{const-qualified variable cannot be lastprivate}}
208   {
209     foo();
210   }
211 #pragma omp parallel sections lastprivate(argv[1]) // expected-error {{expected variable name}}
212   {
213     foo();
214   }
215 #pragma omp parallel sections lastprivate(2 * 2) // expected-error {{expected variable name}}
216   {
217     foo();
218   }
219 #pragma omp parallel sections lastprivate(ba)
220   {
221     foo();
222   }
223 #pragma omp parallel sections lastprivate(ca) // expected-error {{const-qualified variable without mutable fields cannot be lastprivate}}
224   {
225     foo();
226   }
227 #pragma omp parallel sections lastprivate(da) // expected-error {{const-qualified variable cannot be lastprivate}}
228   {
229     foo();
230   }
231   int xa;
232 #pragma omp parallel sections lastprivate(xa) // OK
233   {
234     foo();
235   }
236 #pragma omp parallel sections lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
237   {
238     foo();
239   }
240 #pragma omp parallel sections lastprivate(S2::S2sc) // expected-error {{const-qualified variable cannot be lastprivate}}
241   {
242     foo();
243   }
244 #pragma omp parallel sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp parallel sections'}}
245   {
246     foo();
247   }
248 #pragma omp parallel sections lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
249   {
250     foo();
251   }
252 #pragma omp parallel sections lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
253   {
254     foo();
255   }
256 #pragma omp parallel sections lastprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be lastprivate}}
257   {
258     foo();
259   }
260 #pragma omp parallel sections private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
261   {
262     foo();
263   }
264 #pragma omp parallel sections lastprivate(i)
265   {
266     foo();
267   }
268 #pragma omp parallel private(xa)
269 #pragma omp parallel sections lastprivate(xa)
270   {
271     foo();
272   }
273 #pragma omp parallel reduction(+ : xa)
274 #pragma omp parallel sections lastprivate(xa)
275   {
276     foo();
277   }
278 #pragma omp parallel sections lastprivate(j)
279   {
280     foo();
281   }
282 #pragma omp parallel sections firstprivate(m) lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
283   {
284     foo();
285   }
286 #pragma omp parallel sections lastprivate(n) firstprivate(n) // OK
287   {
288     foo();
289   }
290   static int r;
291 #pragma omp parallel sections lastprivate(r) // OK
292   {
293     foo();
294   }
295   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
296 }
297