1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wno-openmp-target -Wuninitialized
8 
9 extern int omp_default_mem_alloc;
10 void xxx(int argc) {
11   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
12 #pragma omp distribute parallel for simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
13   for (int i = 0; i < 10; ++i)
14     ;
15 }
16 
17 void foo() {
18 }
19 
20 bool foobool(int argc) {
21   return argc;
22 }
23 
24 void foobar(int &ref) {
25 #pragma omp target
26 #pragma omp teams
27 #pragma omp distribute parallel for simd reduction(+:ref)
28   for (int i = 0; i < 10; ++i)
29     foo();
30 }
31 
32 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
33 extern S1 a;
34 class S2 {
35   mutable int a;
36   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
37 
38 public:
39   S2() : a(0) {}
40   S2(S2 &s2) : a(s2.a) {}
41   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
42   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
43 };
44 const float S2::S2sc = 0;
45 S2 b;                     // expected-note 3 {{'b' defined here}}
46 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
47 class S3 {
48   int a;
49 
50 public:
51   int b;
52   S3() : a(0) {}
53   S3(const S3 &s3) : a(s3.a) {}
54   S3 operator+(const S3 &arg1) { return arg1; }
55 };
56 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
57 S3 c;               // expected-note 3 {{'c' defined here}}
58 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
59 extern const int f; // expected-note 4 {{'f' declared here}}
60 class S4 {
61   int a;
62   S4(); // expected-note {{implicitly declared private here}}
63   S4(const S4 &s4);
64   S4 &operator+(const S4 &arg) { return (*this); }
65 
66 public:
67   S4(int v) : a(v) {}
68 };
69 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
70 class S5 {
71   int a;
72   S5() : a(0) {} // expected-note {{implicitly declared private here}}
73   S5(const S5 &s5) : a(s5.a) {}
74   S5 &operator+(const S5 &arg);
75 
76 public:
77   S5(int v) : a(v) {}
78 };
79 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}}
80 #if __cplusplus >= 201103L // C++11 or later
81 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
82 #endif
83   int a;
84 
85 public:
86   S6() : a(6) {}
87   operator int() { return 6; }
88 } o;
89 
90 S3 h, k;
91 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
92 
93 template <class T>       // expected-note {{declared here}}
94 T tmain(T argc) {
95   const T d = T();       // expected-note 4 {{'d' defined here}}
96   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
97   T qa[5] = {T()};
98   T i, z;
99   T &j = i;                        // expected-note 4 {{'j' defined here}}
100   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
101   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
102   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
103   T fl;
104 #pragma omp target
105 #pragma omp teams
106 #pragma omp distribute parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
107   for (int i = 0; i < 10; ++i)
108     foo();
109 #pragma omp target
110 #pragma omp teams
111 #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}}
112   for (int i = 0; i < 10; ++i)
113     foo();
114 #pragma omp target
115 #pragma omp teams
116 #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 '('}}
117   for (int i = 0; i < 10; ++i)
118     foo();
119 #pragma omp target
120 #pragma omp teams
121 #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 '('}}
122   for (int i = 0; i < 10; ++i)
123     foo();
124 #pragma omp target
125 #pragma omp teams
126 #pragma omp distribute parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
127   for (int i = 0; i < 10; ++i)
128     foo();
129 #pragma omp target
130 #pragma omp teams
131 #pragma omp distribute parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
132   for (int i = 0; i < 10; ++i)
133     foo();
134 #pragma omp target
135 #pragma omp teams
136 #pragma omp distribute parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
137   for (int i = 0; i < 10; ++i)
138     foo();
139 #pragma omp target
140 #pragma omp teams
141 #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')}}
142   for (int i = 0; i < 10; ++i)
143     foo();
144 #pragma omp target
145 #pragma omp teams
146 #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')}}
147   for (int i = 0; i < 10; ++i)
148     foo();
149 #pragma omp target
150 #pragma omp teams
151 #pragma omp distribute parallel for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
152   for (int i = 0; i < 10; ++i)
153     foo();
154 #pragma omp target
155 #pragma omp teams
156 #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'}}
157   for (int i = 0; i < 10; ++i)
158     foo();
159 #pragma omp target
160 #pragma omp teams
161 #pragma omp distribute parallel for simd reduction(&& : argc, z)
162   for (int i = 0; i < 10; ++i)
163     foo();
164 #pragma omp target
165 #pragma omp teams
166 #pragma omp distribute parallel for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
167   for (int i = 0; i < 10; ++i)
168     foo();
169 #pragma omp target
170 #pragma omp teams
171 #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 variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
172   for (int i = 0; i < 10; ++i)
173     foo();
174 #pragma omp target
175 #pragma omp teams
176 #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 variable cannot be reduction}}
177   for (int i = 0; i < 10; ++i)
178     foo();
179 #pragma omp target
180 #pragma omp teams
181 #pragma omp distribute parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
182   for (int i = 0; i < 10; ++i)
183     foo();
184 #pragma omp target
185 #pragma omp teams
186 #pragma omp distribute parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
187   for (int i = 0; i < 10; ++i)
188     foo();
189 #pragma omp target
190 #pragma omp teams
191 #pragma omp distribute parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
192   for (int i = 0; i < 10; ++i)
193     foo();
194 #pragma omp target
195 #pragma omp teams
196 #pragma omp distribute parallel for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
197   for (int i = 0; i < 10; ++i)
198     foo();
199 #pragma omp target
200 #pragma omp teams
201 #pragma omp distribute parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
202   for (int i = 0; i < 10; ++i)
203     foo();
204 #pragma omp target
205 #pragma omp teams
206 #pragma omp distribute parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
207   for (int i = 0; i < 10; ++i)
208     foo();
209 #pragma omp target
210 #pragma omp teams
211 #pragma omp distribute parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
212   for (int i = 0; i < 10; ++i)
213     foo();
214 #pragma omp target
215 #pragma omp teams
216 #pragma omp distribute parallel for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
217   for (int i = 0; i < 10; ++i)
218     foo();
219 #pragma omp target
220 #pragma omp teams
221 #pragma omp distribute parallel for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
222   for (int i = 0; i < 10; ++i)
223     foo();
224 #pragma omp target
225 #pragma omp teams
226 #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}}
227   for (int i = 0; i < 10; ++i)
228     foo();
229 #pragma omp parallel private(k)
230 #pragma omp target
231 #pragma omp teams
232 #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}}
233   for (int i = 0; i < 10; ++i)
234     foo();
235 #pragma omp target
236 #pragma omp teams
237 #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}}
238   for (int i = 0; i < 10; ++i)
239     foo();
240 #pragma omp target
241 #pragma omp teams
242 #pragma omp distribute parallel for simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
243   for (int i = 0; i < 10; ++i)
244     foo();
245 #pragma omp parallel shared(i)
246 #pragma omp parallel reduction(min : i)
247 #pragma omp target
248 #pragma omp teams
249 #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}}
250   for (int i = 0; i < 10; ++i)
251     foo();
252 #pragma omp parallel private(fl)
253 #pragma omp target
254 #pragma omp teams
255 #pragma omp distribute parallel for simd reduction(+ : fl)
256   for (int i = 0; i < 10; ++i)
257     foo();
258 #pragma omp parallel reduction(* : fl)
259 #pragma omp target
260 #pragma omp teams
261 #pragma omp distribute parallel for simd reduction(+ : fl)
262   for (int i = 0; i < 10; ++i)
263     foo();
264 
265   return T();
266 }
267 
268 namespace A {
269 double x;
270 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
271 }
272 namespace B {
273 using A::x;
274 }
275 
276 int main(int argc, char **argv) {
277   const int d = 5;       // expected-note 2 {{'d' defined here}}
278   const int da[5] = {0}; // expected-note {{'da' defined here}}
279   int qa[5] = {0};
280   S4 e(4);
281   S5 g(5);
282   int i, z;
283   int &j = i;                      // expected-note 2 {{'j' defined here}}
284   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
285   const int &r = da[i];            // expected-note {{'r' defined here}}
286   int &q = qa[i];                  // expected-note {{'q' defined here}}
287   float fl;
288 #pragma omp target
289 #pragma omp teams
290 #pragma omp distribute parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
291   for (int i = 0; i < 10; ++i)
292     foo();
293 #pragma omp target
294 #pragma omp teams
295 #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}}
296   for (int i = 0; i < 10; ++i)
297     foo();
298 #pragma omp target
299 #pragma omp teams
300 #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 '('}}
301   for (int i = 0; i < 10; ++i)
302     foo();
303 #pragma omp target
304 #pragma omp teams
305 #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 '('}}
306   for (int i = 0; i < 10; ++i)
307     foo();
308 #pragma omp target
309 #pragma omp teams
310 #pragma omp distribute parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
311   for (int i = 0; i < 10; ++i)
312     foo();
313 #pragma omp target
314 #pragma omp teams
315 #pragma omp distribute parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
316   for (int i = 0; i < 10; ++i)
317     foo();
318 #pragma omp target
319 #pragma omp teams
320 #pragma omp distribute parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
321   for (int i = 0; i < 10; ++i)
322     foo();
323 #pragma omp target
324 #pragma omp teams
325 #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'}}
326   for (int i = 0; i < 10; ++i)
327     foo();
328 #pragma omp target
329 #pragma omp teams
330 #pragma omp distribute parallel for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
331   for (int i = 0; i < 10; ++i)
332     foo();
333 #pragma omp target
334 #pragma omp teams
335 #pragma omp distribute parallel for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
336   for (int i = 0; i < 10; ++i)
337     foo();
338 #pragma omp target
339 #pragma omp teams
340 #pragma omp distribute parallel for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
341   for (int i = 0; i < 10; ++i)
342     foo();
343 #pragma omp target
344 #pragma omp teams
345 #pragma omp distribute parallel for simd reduction(&& : 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 '('}}
346   for (int i = 0; i < 10; ++i)
347     foo();
348 #pragma omp target
349 #pragma omp teams
350 #pragma omp distribute parallel for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
351   for (int i = 0; i < 10; ++i)
352     foo();
353 #pragma omp target
354 #pragma omp teams
355 #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 variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}} expected-error {{incomplete type 'S1' where a complete type is required}}
356   for (int i = 0; i < 10; ++i)
357     foo();
358 #pragma omp target
359 #pragma omp teams
360 #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 variable cannot be reduction}} expected-error {{incomplete type 'S1' where a complete type is required}}
361   for (int i = 0; i < 10; ++i)
362     foo();
363 #pragma omp target
364 #pragma omp teams
365 #pragma omp distribute parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
366   for (int i = 0; i < 10; ++i)
367     foo();
368 #pragma omp target
369 #pragma omp teams
370 #pragma omp distribute parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
371   for (int i = 0; i < 10; ++i)
372     foo();
373 #pragma omp target
374 #pragma omp teams
375 #pragma omp distribute parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
376   for (int i = 0; i < 10; ++i)
377     foo();
378 #pragma omp target
379 #pragma omp teams
380 #pragma omp distribute parallel for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
381   for (int i = 0; i < 10; ++i)
382     foo();
383 #pragma omp target
384 #pragma omp teams
385 #pragma omp distribute parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
386   for (int i = 0; i < 10; ++i)
387     foo();
388 #pragma omp target
389 #pragma omp teams
390 #pragma omp distribute parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
391   for (int i = 0; i < 10; ++i)
392     foo();
393 #pragma omp target
394 #pragma omp teams
395 #pragma omp distribute parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
396   for (int i = 0; i < 10; ++i)
397     foo();
398 #pragma omp target
399 #pragma omp teams
400 #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')}}
401   for (int i = 0; i < 10; ++i)
402     foo();
403 #pragma omp target
404 #pragma omp teams
405 #pragma omp distribute parallel for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
406   for (int i = 0; i < 10; ++i)
407     foo();
408 #pragma omp target
409 #pragma omp teams
410 #pragma omp distribute parallel for simd reduction(+ : z, o) // expected-error {{no viable overloaded '='}}
411   for (int i = 0; i < 10; ++i)
412     foo();
413 #pragma omp target
414 #pragma omp teams
415 #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}}
416   for (int i = 0; i < 10; ++i)
417     foo();
418 #pragma omp parallel private(k)
419 #pragma omp target
420 #pragma omp teams
421 #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}}
422   for (int i = 0; i < 10; ++i)
423     foo();
424 #pragma omp target
425 #pragma omp teams
426 #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}}
427   for (int i = 0; i < 10; ++i)
428     foo();
429 #pragma omp target
430 #pragma omp teams
431 #pragma omp distribute parallel for simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
432   for (int i = 0; i < 10; ++i)
433     foo();
434 #pragma omp parallel shared(i)
435 #pragma omp parallel reduction(min : i)
436 #pragma omp target
437 #pragma omp teams
438 #pragma omp distribute parallel for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
439   for (int i = 0; i < 10; ++i)
440     foo();
441 #pragma omp parallel private(fl)
442 #pragma omp target
443 #pragma omp teams
444 #pragma omp distribute parallel for simd reduction(+ : fl)
445   for (int i = 0; i < 10; ++i)
446     foo();
447 #pragma omp parallel reduction(* : fl)
448 #pragma omp target
449 #pragma omp teams
450 #pragma omp distribute parallel for simd reduction(+ : fl)
451   for (int i = 0; i < 10; ++i)
452     foo();
453   static int m;
454 #pragma omp target
455 #pragma omp teams
456 #pragma omp distribute parallel for simd reduction(+ : m) // OK
457   for (int i = 0; i < 10; ++i)
458     m++;
459 
460   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}}
461 }
462