1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 150 -o - %s
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s
8 
9 void foo() {
10 }
11 
12 bool foobool(int argc) {
13   return argc;
14 }
15 
16 void foobar(int &ref) {
17 #pragma omp target
18 #pragma omp teams
19 #pragma omp distribute simd reduction(+:ref)
20   for (int i = 0; i < 10; ++i)
21     foo();
22 }
23 
24 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
25 extern S1 a;
26 class S2 {
27   mutable int a;
28   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
29 
30 public:
31   S2() : a(0) {}
32   S2(S2 &s2) : a(s2.a) {}
33   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
34   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
35 };
36 const float S2::S2sc = 0;
37 S2 b;                     // expected-note 3 {{'b' defined here}}
38 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
39 class S3 {
40   int a;
41 
42 public:
43   int b;
44   S3() : a(0) {}
45   S3(const S3 &s3) : a(s3.a) {}
46   S3 operator+(const S3 &arg1) { return arg1; }
47 };
48 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
49 S3 c;               // expected-note 3 {{'c' defined here}}
50 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
51 extern const int f; // expected-note 4 {{'f' declared here}}
52 class S4 {
53   int a;
54   S4(); // expected-note {{implicitly declared private here}}
55   S4(const S4 &s4);
56   S4 &operator+(const S4 &arg) { return (*this); }
57 
58 public:
59   S4(int v) : a(v) {}
60 };
61 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
62 class S5 {
63   int a;
64   S5() : a(0) {} // expected-note {{implicitly declared private here}}
65   S5(const S5 &s5) : a(s5.a) {}
66   S5 &operator+(const S5 &arg);
67 
68 public:
69   S5(int v) : a(v) {}
70 };
71 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
72 #if __cplusplus >= 201103L // C++11 or later
73 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
74 #endif
75   int a;
76 
77 public:
78   S6() : a(6) {}
79   operator int() { return 6; }
80 } o;
81 
82 S3 h, k;
83 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
84 
85 template <class T>       // expected-note {{declared here}}
86 T tmain(T argc) {
87   const T d = T();       // expected-note 4 {{'d' defined here}}
88   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
89   T qa[5] = {T()};
90   T i;
91   T &j = i;                        // expected-note 4 {{'j' defined here}}
92   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
93   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
94   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
95   T fl;
96 #pragma omp target
97 #pragma omp teams
98 #pragma omp distribute simd reduction // expected-error {{expected '(' after 'reduction'}}
99   for (int i = 0; i < 10; ++i)
100     foo();
101 #pragma omp target
102 #pragma omp teams
103 #pragma omp distribute simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp distribute simd' are ignored}}
104   for (int i = 0; i < 10; ++i)
105     foo();
106 #pragma omp target
107 #pragma omp teams
108 #pragma omp distribute simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
109   for (int i = 0; i < 10; ++i)
110     foo();
111 #pragma omp target
112 #pragma omp teams
113 #pragma omp distribute simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
114   for (int i = 0; i < 10; ++i)
115     foo();
116 #pragma omp target
117 #pragma omp teams
118 #pragma omp distribute simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
119   for (int i = 0; i < 10; ++i)
120     foo();
121 #pragma omp target
122 #pragma omp teams
123 #pragma omp distribute simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
124   for (int i = 0; i < 10; ++i)
125     foo();
126 #pragma omp target
127 #pragma omp teams
128 #pragma omp distribute simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
129   for (int i = 0; i < 10; ++i)
130     foo();
131 #pragma omp target
132 #pragma omp teams
133 #pragma omp distribute simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
134   for (int i = 0; i < 10; ++i)
135     foo();
136 #pragma omp target
137 #pragma omp teams
138 #pragma omp distribute simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
139   for (int i = 0; i < 10; ++i)
140     foo();
141 #pragma omp target
142 #pragma omp teams
143 #pragma omp distribute simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
144   for (int i = 0; i < 10; ++i)
145     foo();
146 #pragma omp target
147 #pragma omp teams
148 #pragma omp distribute simd reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
149   for (int i = 0; i < 10; ++i)
150     foo();
151 #pragma omp target
152 #pragma omp teams
153 #pragma omp distribute simd reduction(&& : argc)
154   for (int i = 0; i < 10; ++i)
155     foo();
156 #pragma omp target
157 #pragma omp teams
158 #pragma omp distribute simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
159   for (int i = 0; i < 10; ++i)
160     foo();
161 #pragma omp target
162 #pragma omp teams
163 #pragma omp distribute simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified list item cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}} expected-warning 2 {{Non-trivial type 'S2' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-warning 2 {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}}
164   for (int i = 0; i < 10; ++i)
165     foo();
166 #pragma omp target
167 #pragma omp teams
168 #pragma omp distribute simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified list item cannot be reduction}}
169   for (int i = 0; i < 10; ++i)
170     foo();
171 #pragma omp target
172 #pragma omp teams
173 #pragma omp distribute simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
174   for (int i = 0; i < 10; ++i)
175     foo();
176 #pragma omp target
177 #pragma omp teams
178 #pragma omp distribute simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
179   for (int i = 0; i < 10; ++i)
180     foo();
181 #pragma omp target
182 #pragma omp teams
183 #pragma omp distribute simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
184   for (int i = 0; i < 10; ++i)
185     foo();
186 #pragma omp target
187 #pragma omp teams
188 #pragma omp distribute simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
189   for (int i = 0; i < 10; ++i)
190     foo();
191 #pragma omp target
192 #pragma omp teams
193 #pragma omp distribute simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
194   for (int i = 0; i < 10; ++i)
195     foo();
196 #pragma omp target
197 #pragma omp teams
198 #pragma omp distribute simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
199   for (int i = 0; i < 10; ++i)
200     foo();
201 #pragma omp target
202 #pragma omp teams
203 #pragma omp distribute simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
204   for (int i = 0; i < 10; ++i)
205     foo();
206 #pragma omp target
207 #pragma omp teams
208 #pragma omp distribute simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} expected-warning 2 {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}}
209   for (int i = 0; i < 10; ++i)
210     foo();
211 #pragma omp target
212 #pragma omp teams
213 #pragma omp distribute simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
214   for (int i = 0; i < 10; ++i)
215     foo();
216 #pragma omp target
217 #pragma omp teams
218 #pragma omp distribute simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
219   for (int i = 0; i < 10; ++i)
220     foo();
221 #pragma omp parallel private(k)
222 #pragma omp target
223 #pragma omp teams
224 #pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
225   for (int i = 0; i < 10; ++i)
226     foo();
227 #pragma omp target
228 #pragma omp teams
229 #pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
230   for (int i = 0; i < 10; ++i)
231     foo();
232 #pragma omp target
233 #pragma omp teams
234 #pragma omp distribute simd reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
235   for (int i = 0; i < 10; ++i)
236     foo();
237 #pragma omp parallel shared(i)
238 #pragma omp parallel reduction(min : i)
239 #pragma omp target
240 #pragma omp teams
241 #pragma omp distribute simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
242   for (int i = 0; i < 10; ++i)
243     foo();
244 #pragma omp parallel private(fl)
245 #pragma omp target
246 #pragma omp teams
247 #pragma omp distribute simd reduction(+ : fl)
248   for (int i = 0; i < 10; ++i)
249     foo();
250 #pragma omp parallel reduction(* : fl)
251 #pragma omp target
252 #pragma omp teams
253 #pragma omp distribute simd reduction(+ : fl)
254   for (int i = 0; i < 10; ++i)
255     foo();
256 
257   return T();
258 }
259 
260 namespace A {
261 double x;
262 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
263 }
264 namespace B {
265 using A::x;
266 }
267 
268 int main(int argc, char **argv) {
269   const int d = 5;       // expected-note 2 {{'d' defined here}}
270   const int da[5] = {0}; // expected-note {{'da' defined here}}
271   int qa[5] = {0};
272   S4 e(4);
273   S5 g(5);
274   int i;
275   int &j = i;                      // expected-note 2 {{'j' defined here}}
276   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
277   const int &r = da[i];            // expected-note {{'r' defined here}}
278   int &q = qa[i];                  // expected-note {{'q' defined here}}
279   float fl;
280 #pragma omp target
281 #pragma omp teams
282 #pragma omp distribute simd reduction // expected-error {{expected '(' after 'reduction'}}
283   for (int i = 0; i < 10; ++i)
284     foo();
285 #pragma omp target
286 #pragma omp teams
287 #pragma omp distribute simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp distribute simd' are ignored}}
288   for (int i = 0; i < 10; ++i)
289     foo();
290 #pragma omp target
291 #pragma omp teams
292 #pragma omp distribute simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
293   for (int i = 0; i < 10; ++i)
294     foo();
295 #pragma omp target
296 #pragma omp teams
297 #pragma omp distribute simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
298   for (int i = 0; i < 10; ++i)
299     foo();
300 #pragma omp target
301 #pragma omp teams
302 #pragma omp distribute simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
303   for (int i = 0; i < 10; ++i)
304     foo();
305 #pragma omp target
306 #pragma omp teams
307 #pragma omp distribute simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
308   for (int i = 0; i < 10; ++i)
309     foo();
310 #pragma omp target
311 #pragma omp teams
312 #pragma omp distribute simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
313   for (int i = 0; i < 10; ++i)
314     foo();
315 #pragma omp target
316 #pragma omp teams
317 #pragma omp distribute simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
318   for (int i = 0; i < 10; ++i)
319     foo();
320 #pragma omp target
321 #pragma omp teams
322 #pragma omp distribute simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
323   for (int i = 0; i < 10; ++i)
324     foo();
325 #pragma omp target
326 #pragma omp teams
327 #pragma omp distribute simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
328   for (int i = 0; i < 10; ++i)
329     foo();
330 #pragma omp target
331 #pragma omp teams
332 #pragma omp distribute simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
333   for (int i = 0; i < 10; ++i)
334     foo();
335 #pragma omp target
336 #pragma omp teams
337 #pragma omp distribute simd reduction(&& : argc)
338   for (int i = 0; i < 10; ++i)
339     foo();
340 #pragma omp target
341 #pragma omp teams
342 #pragma omp distribute simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
343   for (int i = 0; i < 10; ++i)
344     foo();
345 #pragma omp target
346 #pragma omp teams
347 #pragma omp distribute simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified list item cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}} expected-warning {{Non-trivial type 'S2' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-warning {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}}
348   for (int i = 0; i < 10; ++i)
349     foo();
350 #pragma omp target
351 #pragma omp teams
352 #pragma omp distribute simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item 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 list item cannot be reduction}} expected-warning {{Non-trivial type 'S2' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-warning {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}}
353   for (int i = 0; i < 10; ++i)
354     foo();
355 #pragma omp target
356 #pragma omp teams
357 #pragma omp distribute simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
358   for (int i = 0; i < 10; ++i)
359     foo();
360 #pragma omp target
361 #pragma omp teams
362 #pragma omp distribute simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}} expected-warning {{Non-trivial type 'const S2 [5]' is mapped, only trivial types are guaranteed to be mapped correctly}}
363   for (int i = 0; i < 10; ++i)
364     foo();
365 #pragma omp target
366 #pragma omp teams
367 #pragma omp distribute simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}} expected-warning {{Non-trivial type 'const S3 [5]' is mapped, only trivial types are guaranteed to be mapped correctly}}
368   for (int i = 0; i < 10; ++i)
369     foo();
370 #pragma omp target
371 #pragma omp teams
372 #pragma omp distribute simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
373   for (int i = 0; i < 10; ++i)
374     foo();
375 #pragma omp target
376 #pragma omp teams
377 #pragma omp distribute simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
378   for (int i = 0; i < 10; ++i)
379     foo();
380 #pragma omp target
381 #pragma omp teams
382 #pragma omp distribute simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
383   for (int i = 0; i < 10; ++i)
384     foo();
385 #pragma omp target
386 #pragma omp teams
387 #pragma omp distribute simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
388   for (int i = 0; i < 10; ++i)
389     foo();
390 #pragma omp target
391 #pragma omp teams
392 #pragma omp distribute simd reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{invalid operands to binary expression ('S4' and 'S4')}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}} expected-warning {{Non-trivial type 'S4' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-warning {{Non-trivial type 'S5' is mapped, only trivial types are guaranteed to be mapped correctly}}}
393   for (int i = 0; i < 10; ++i)
394     foo();
395 #pragma omp target
396 #pragma omp teams
397 #pragma omp distribute simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} expected-warning {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}}
398   for (int i = 0; i < 10; ++i)
399     foo();
400 #pragma omp target
401 #pragma omp teams
402 #pragma omp distribute simd reduction(+ : o) // expected-error {{no viable overloaded '='}} expected-warning {{Non-trivial type 'class S6' is mapped, only trivial types are guaranteed to be mapped correctly}}
403   for (int i = 0; i < 10; ++i)
404     foo();
405 #pragma omp target
406 #pragma omp teams
407 #pragma omp distribute simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
408   for (int i = 0; i < 10; ++i)
409     foo();
410 #if __cplusplus < 201103L // < C++11
411 // expected-warning@+5 {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}}
412 #endif
413 #pragma omp parallel private(k)
414 #pragma omp target
415 #pragma omp teams
416 #pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
417   for (int i = 0; i < 10; ++i)
418     foo();
419 #if __cplusplus < 201103L // < C++11
420 // expected-warning@+4 {{Non-trivial type 'S3' is mapped, only trivial types are guaranteed to be mapped correctly}}
421 #endif
422 #pragma omp target
423 #pragma omp teams
424 #pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
425   for (int i = 0; i < 10; ++i)
426     foo();
427 #pragma omp target
428 #pragma omp teams
429 #pragma omp distribute simd reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
430   for (int i = 0; i < 10; ++i)
431     foo();
432 #pragma omp parallel shared(i)
433 #pragma omp parallel reduction(min : i)
434 #pragma omp target
435 #pragma omp teams
436 #pragma omp distribute simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
437   for (int i = 0; i < 10; ++i)
438     foo();
439 #pragma omp parallel private(fl)
440 #pragma omp target
441 #pragma omp teams
442 #pragma omp distribute simd reduction(+ : fl)
443   for (int i = 0; i < 10; ++i)
444     foo();
445 #pragma omp parallel reduction(* : fl)
446 #pragma omp target
447 #pragma omp teams
448 #pragma omp distribute simd reduction(+ : fl)
449   for (int i = 0; i < 10; ++i)
450     foo();
451   static int m;
452 #pragma omp target
453 #pragma omp teams
454 #pragma omp distribute simd reduction(+ : m) // OK
455   for (int i = 0; i < 10; ++i)
456     m++;
457 
458   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}}
459 }
460