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