1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
2
foo()3 void foo() {
4 }
5
foobool(int argc)6 bool foobool(int argc) {
7 return argc;
8 }
9
10 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
11 extern S1 a;
12 class S2 {
13 mutable int a;
operator +=(const S2 & arg)14 S2 &operator+=(const S2 &arg) { return (*this); }
15
16 public:
S2()17 S2() : a(0) {}
S2(S2 & s2)18 S2(S2 &s2) : a(s2.a) {}
19 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
20 static const float S2sc;
21 };
22 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
23 S2 b; // expected-note 2 {{'b' defined here}}
24 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
25 class S3 {
26 int a;
27
28 public:
S3()29 S3() : a(0) {}
S3(const S3 & s3)30 S3(const S3 &s3) : a(s3.a) {}
operator +=(const S3 & arg1)31 S3 operator+=(const S3 &arg1) { return arg1; }
32 };
operator +=(const S3 & arg1,const S3 & arg2)33 int operator+=(const S3 &arg1, const S3 &arg2) { return 5; }
34 S3 c; // expected-note 2 {{'c' defined here}}
35 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
36 extern const int f; // expected-note 4 {{'f' declared here}}
37 class S4 { // expected-note {{'S4' declared here}}
38 int a;
39 S4();
40 S4(const S4 &s4);
operator +=(const S4 & arg)41 S4 &operator+=(const S4 &arg) { return (*this); }
42
43 public:
S4(int v)44 S4(int v) : a(v) {}
45 };
operator &=(S4 & arg1,S4 & arg2)46 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
47 class S5 {
48 int a;
S5()49 S5() : a(0) {}
S5(const S5 & s5)50 S5(const S5 &s5) : a(s5.a) {}
51 S5 &operator+=(const S5 &arg);
52
53 public:
S5(int v)54 S5(int v) : a(v) {}
55 };
56 class S6 {
57 int a;
58
59 public:
S6()60 S6() : a(6) {}
operator int()61 operator int() { return 6; }
62 } o; // expected-note 2 {{'o' defined here}}
63
64 S3 h, k;
65 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
66
67 template <class T> // expected-note {{declared here}}
tmain(T argc)68 T tmain(T argc) { // expected-note 2 {{'argc' defined here}}
69 const T d = T(); // expected-note 4 {{'d' defined here}}
70 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
71 T qa[5] = {T()};
72 T i;
73 T &j = i; // expected-note 4 {{'j' defined here}}
74 S3 &p = k; // expected-note 2 {{'p' defined here}}
75 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
76 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
77 T fl; // expected-note {{'fl' defined here}}
78 #pragma omp parallel
79 #pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
80 {
81 foo();
82 }
83 #pragma omp parallel
84 #pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
85 {
86 foo();
87 }
88 #pragma omp parallel
89 #pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
90 {
91 foo();
92 }
93 #pragma omp parallel
94 #pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
95 {
96 foo();
97 }
98 #pragma omp parallel
99 #pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
100 {
101 foo();
102 }
103 #pragma omp parallel
104 #pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
105 {
106 foo();
107 }
108 #pragma omp parallel
109 #pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
110 {
111 foo();
112 }
113 #pragma omp parallel
114 #pragma omp sections reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
115 {
116 foo();
117 }
118 #pragma omp parallel
119 #pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
120 {
121 foo();
122 }
123 #pragma omp parallel
124 #pragma omp sections reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
125 {
126 foo();
127 }
128 #pragma omp parallel
129 #pragma omp sections reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
130 {
131 foo();
132 }
133 #pragma omp parallel
134 #pragma omp sections reduction(&& : argc)
135 {
136 foo();
137 }
138 #pragma omp parallel
139 #pragma omp sections reduction(^ : T) // expected-error {{'T' does not refer to a value}}
140 {
141 foo();
142 }
143 #pragma omp parallel
144 #pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}}
145 {
146 foo();
147 }
148 #pragma omp parallel
149 #pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
150 {
151 foo();
152 }
153 #pragma omp parallel
154 #pragma omp sections reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
155 {
156 foo();
157 }
158 #pragma omp parallel
159 #pragma omp sections reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
160 {
161 foo();
162 }
163 #pragma omp parallel
164 #pragma omp sections reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
165 {
166 foo();
167 }
168 #pragma omp parallel
169 #pragma omp sections reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}} expected-error {{a reduction variable with array type 'const float [5]'}}
170 {
171 foo();
172 }
173 #pragma omp parallel
174 #pragma omp sections reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
175 {
176 foo();
177 }
178 #pragma omp parallel
179 #pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
180 {
181 foo();
182 }
183 #pragma omp parallel
184 #pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
185 {
186 foo();
187 }
188 #pragma omp parallel
189 #pragma omp sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
190 {
191 foo();
192 }
193 #pragma omp parallel
194 #pragma omp sections reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
195 {
196 foo();
197 }
198 #pragma omp parallel
199 #pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
200 {
201 foo();
202 }
203 #pragma omp parallel private(k)
204 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
205 {
206 foo();
207 }
208 #pragma omp parallel
209 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
210 {
211 foo();
212 }
213 #pragma omp parallel
214 #pragma omp sections reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
215 {
216 foo();
217 }
218 #pragma omp parallel shared(i)
219 #pragma omp parallel reduction(min : i)
220 #pragma omp sections reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
221 {
222 foo();
223 }
224 #pragma omp parallel private(fl) // expected-note 2 {{defined as private}}
225 #pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
226 {
227 foo();
228 }
229 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
230 #pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
231 {
232 foo();
233 }
234
235 return T();
236 }
237
main(int argc,char ** argv)238 int main(int argc, char **argv) {
239 const int d = 5; // expected-note 2 {{'d' defined here}}
240 const int da[5] = {0}; // expected-note {{'da' defined here}}
241 int qa[5] = {0};
242 S4 e(4); // expected-note {{'e' defined here}}
243 S5 g(5); // expected-note {{'g' defined here}}
244 int i;
245 int &j = i; // expected-note 2 {{'j' defined here}}
246 S3 &p = k; // expected-note 2 {{'p' defined here}}
247 const int &r = da[i]; // expected-note {{'r' defined here}}
248 int &q = qa[i]; // expected-note {{'q' defined here}}
249 float fl; // expected-note {{'fl' defined here}}
250 #pragma omp parallel
251 #pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
252 {
253 foo();
254 }
255 #pragma omp parallel
256 #pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
257 {
258 foo();
259 }
260 #pragma omp parallel
261 #pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
262 {
263 foo();
264 }
265 #pragma omp parallel
266 #pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
267 {
268 foo();
269 }
270 #pragma omp parallel
271 #pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
272 {
273 foo();
274 }
275 #pragma omp parallel
276 #pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
277 {
278 foo();
279 }
280 #pragma omp parallel
281 #pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
282 {
283 foo();
284 }
285 #pragma omp parallel
286 #pragma omp sections reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
287 {
288 foo();
289 }
290 #pragma omp parallel
291 #pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
292 {
293 foo();
294 }
295 #pragma omp parallel
296 #pragma omp sections reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
297 {
298 foo();
299 }
300 #pragma omp parallel
301 #pragma omp sections reduction(~ : argc) // expected-error {{expected unqualified-id}}
302 {
303 foo();
304 }
305 #pragma omp parallel
306 #pragma omp sections reduction(&& : argc)
307 {
308 foo();
309 }
310 #pragma omp parallel
311 #pragma omp sections reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
312 {
313 foo();
314 }
315 #pragma omp parallel
316 #pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}}
317 {
318 foo();
319 }
320 #pragma omp parallel
321 #pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
322 {
323 foo();
324 }
325 #pragma omp parallel
326 #pragma omp sections reduction(max : argv[1]) // expected-error {{expected variable name}}
327 {
328 foo();
329 }
330 #pragma omp parallel
331 #pragma omp sections reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
332 {
333 foo();
334 }
335 #pragma omp parallel
336 #pragma omp sections reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
337 {
338 foo();
339 }
340 #pragma omp parallel
341 #pragma omp sections reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
342 {
343 foo();
344 }
345 #pragma omp parallel
346 #pragma omp sections reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
347 {
348 foo();
349 }
350 #pragma omp parallel
351 #pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
352 {
353 foo();
354 }
355 #pragma omp parallel
356 #pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
357 {
358 foo();
359 }
360 #pragma omp parallel
361 #pragma omp sections reduction(& : e, g) // expected-error {{reduction variable must have an accessible, unambiguous default constructor}} expected-error {{variable of type 'S5' is not valid for specified reduction operation}}
362 {
363 foo();
364 }
365 #pragma omp parallel
366 #pragma omp sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
367 {
368 foo();
369 }
370 #pragma omp parallel
371 #pragma omp sections reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
372 {
373 foo();
374 }
375 #pragma omp parallel
376 #pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
377 {
378 foo();
379 }
380 #pragma omp parallel private(k)
381 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
382 {
383 foo();
384 }
385 #pragma omp parallel
386 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
387 {
388 foo();
389 }
390 #pragma omp parallel
391 #pragma omp sections reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
392 {
393 foo();
394 }
395 #pragma omp parallel shared(i)
396 #pragma omp parallel reduction(min : i)
397 #pragma omp sections reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
398 {
399 foo();
400 }
401 #pragma omp parallel private(fl) // expected-note {{defined as private}}
402 #pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
403 {
404 foo();
405 }
406 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
407 #pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
408 {
409 foo();
410 }
411
412 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
413 }
414