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;
foo()6 void foo() {
7 }
8
foobool(int argc)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:
S2()19 S2() : a(0) {}
S2(const S2 & s2)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:
S3()32 S3() : a(0) {}
S3(const S3 & s3)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:
S4(int v)44 S4(int v) : a(v) {}
45 };
46 class S5 {
47 int a;
S5(const S5 & s5)48 S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
49
50 public:
S5()51 S5() : a(0) {}
S5(int v)52 S5(int v) : a(v) {}
53 };
54 class S6 {
55 int a;
S6()56 S6() : a(0) {}
57
58 public:
S6(const S6 & s6)59 S6(const S6 &s6) : a(s6.a) {}
S6(int v)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>
foomain(int argc,char ** argv)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
73 #pragma omp sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
74 {
75 foo();
76 }
77 #pragma omp parallel
78 #pragma omp sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
79 {
80 foo();
81 }
82 #pragma omp parallel
83 #pragma omp sections firstprivate() // expected-error {{expected expression}}
84 {
85 foo();
86 }
87 #pragma omp parallel
88 #pragma omp sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
89 {
90 foo();
91 }
92 #pragma omp parallel
93 #pragma omp sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
94 {
95 foo();
96 }
97 #pragma omp parallel
98 #pragma omp sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
99 {
100 foo();
101 }
102 #pragma omp parallel
103 #pragma omp 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 '('}}
104 {
105 foo();
106 }
107 #pragma omp parallel
108 #pragma omp sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
109 {
110 foo();
111 }
112 #pragma omp parallel
113 #pragma omp sections firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
114 {
115 foo();
116 }
117 #pragma omp parallel
118 #pragma omp sections firstprivate(argv[1]) // expected-error {{expected variable name}}
119 {
120 foo();
121 }
122 #pragma omp parallel
123 #pragma omp sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
124 {
125 foo();
126 }
127 #pragma omp parallel
128 #pragma omp sections firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
129 {
130 foo();
131 }
132 #pragma omp parallel
133 #pragma omp sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
134 {
135 foo();
136 }
137 #pragma omp parallel
138 {
139 int v = 0;
140 int i; // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
141 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
142 {
143 foo();
144 }
145 v += i;
146 }
147 #pragma omp parallel shared(i)
148 #pragma omp parallel private(i)
149 #pragma omp sections firstprivate(j)
150 {
151 foo();
152 }
153 #pragma omp parallel
154 #pragma omp sections firstprivate(i)
155 {
156 foo();
157 }
158 #pragma omp parallel
159 #pragma omp sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
160 {
161 foo();
162 }
163 #pragma omp parallel private(i) // expected-note {{defined as private}}
164 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
165 {
166 foo();
167 }
168 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
169 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
170 {
171 foo();
172 }
173 return 0;
174 }
175
176 namespace A {
177 double x;
178 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
179 }
180 namespace B {
181 using A::x;
182 }
183
main(int argc,char ** argv)184 int main(int argc, char **argv) {
185 const int d = 5;
186 const int da[5] = {0};
187 S4 e(4);
188 S5 g(5);
189 S3 m;
190 S6 n(2);
191 int i, z;
192 int &j = i;
193 #pragma omp parallel
194 #pragma omp sections firstprivate // expected-error {{expected '(' after 'firstprivate'}}
195 {
196 foo();
197 }
198 #pragma omp parallel
199 #pragma omp sections firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
200 {
201 foo();
202 }
203 #pragma omp parallel
204 #pragma omp sections firstprivate() // expected-error {{expected expression}}
205 {
206 foo();
207 }
208 #pragma omp parallel
209 #pragma omp sections firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
210 {
211 foo();
212 }
213 #pragma omp parallel
214 #pragma omp sections firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
215 {
216 foo();
217 }
218 #pragma omp parallel
219 #pragma omp sections firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
220 {
221 foo();
222 }
223 #pragma omp parallel
224 #pragma omp sections firstprivate(argc, z)
225 {
226 foo();
227 }
228 #pragma omp parallel
229 #pragma omp sections firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
230 {
231 foo();
232 }
233 #pragma omp parallel
234 #pragma omp sections firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
235 {
236 foo();
237 }
238 #pragma omp parallel
239 #pragma omp sections firstprivate(argv[1]) // expected-error {{expected variable name}}
240 {
241 foo();
242 }
243 #pragma omp parallel
244 #pragma omp sections firstprivate(2 * 2) // expected-error {{expected variable name}}
245 {
246 foo();
247 }
248 #pragma omp parallel
249 #pragma omp sections firstprivate(ba) // OK
250 {
251 foo();
252 }
253 #pragma omp parallel
254 #pragma omp sections firstprivate(ca) // OK
255 {
256 foo();
257 }
258 #pragma omp parallel
259 #pragma omp sections firstprivate(da) // OK
260 {
261 foo();
262 }
263 int xa;
264 #pragma omp parallel
265 #pragma omp sections firstprivate(xa) // OK
266 {
267 foo();
268 }
269 #pragma omp parallel
270 #pragma omp sections firstprivate(S2::S2s) // OK
271 {
272 foo();
273 }
274 #pragma omp parallel
275 #pragma omp sections firstprivate(S2::S2sc) // OK
276 {
277 foo();
278 }
279 #pragma omp parallel
280 #pragma omp sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp sections'}}
281 {
282 foo();
283 }
284 #pragma omp parallel
285 #pragma omp sections firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
286 {
287 foo();
288 }
289 #pragma omp parallel
290 #pragma omp sections firstprivate(m) // OK
291 {
292 foo();
293 }
294 #pragma omp parallel
295 #pragma omp sections firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
296 {
297 foo();
298 }
299 #pragma omp parallel
300 #pragma omp sections private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
301 {
302 foo();
303 }
304 #pragma omp parallel shared(xa)
305 #pragma omp sections firstprivate(xa) // OK: may be firstprivate
306 {
307 foo();
308 }
309 #pragma omp parallel
310 #pragma omp sections firstprivate(j)
311 {
312 foo();
313 }
314 #pragma omp parallel
315 #pragma omp sections lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
316 {
317 foo();
318 }
319 #pragma omp parallel
320 #pragma omp sections lastprivate(n) firstprivate(n) // OK
321 {
322 foo();
323 }
324 #pragma omp parallel
325 {
326 int v = 0;
327 int i; // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
328 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
329 {
330 foo();
331 }
332 v += i;
333 }
334 #pragma omp parallel private(i) // expected-note {{defined as private}}
335 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
336 {
337 foo();
338 }
339 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
340 #pragma omp sections firstprivate(i) // expected-error {{firstprivate variable must be shared}}
341 {
342 foo();
343 }
344 static int r;
345 #pragma omp sections firstprivate(r) // OK
346 {
347 foo();
348 }
349
350 return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
351 }
352