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 extern int omp_default_mem_alloc;
10 void foo() {
11 }
12 
13 bool foobool(int argc) {
14   return argc;
15 }
16 
17 void foobar(int &ref) {
18 #pragma omp taskgroup task_reduction(+:ref)
19 #pragma omp taskloop simd in_reduction(+:ref)
20   for (int i = 0; i < 10; ++i)
21   foo();
22 }
23 
24 void foobar1(int &ref) {
25 #pragma omp taskgroup task_reduction(+:ref)
26 #pragma omp taskloop simd in_reduction(-:ref)
27   for (int i = 0; i < 10; ++i)
28   foo();
29 }
30 
31 #pragma omp declare reduction (red:int:omp_out += omp_in)
32 
33 void foobar2(int &ref) {
34 #pragma omp taskgroup task_reduction(+:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
35 #pragma omp taskloop simd in_reduction(red:ref) // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
36   for (int i = 0; i < 10; ++i)
37   foo();
38 }
39 
40 void foobar3(int &ref) {
41 #pragma omp taskgroup task_reduction(red:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
42 #pragma omp taskloop simd in_reduction(min:ref)  // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
43   for (int i = 0; i < 10; ++i)
44   foo();
45 }
46 
47 void foobar4(int &ref) {
48 #pragma omp taskloop simd in_reduction(min:ref) // expected-error {{in_reduction variable must appear in a task_reduction clause}}
49   for (int i = 0; i < 10; ++i)
50   foo();
51 }
52 
53 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
54 extern S1 a;
55 class S2 {
56   mutable int a;
57   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
58 
59 public:
60   S2() : a(0) {}
61   S2(S2 &s2) : a(s2.a) {}
62   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
63   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
64 };
65 const float S2::S2sc = 0;
66 S2 b;                     // expected-note 3 {{'b' defined here}}
67 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
68 class S3 {
69   int a;
70 
71 public:
72   int b;
73   S3() : a(0) {}
74   S3(const S3 &s3) : a(s3.a) {}
75   S3 operator+(const S3 &arg1) { return arg1; }
76 };
77 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
78 S3 c;               // expected-note 3 {{'c' defined here}}
79 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
80 extern const int f; // expected-note 4 {{'f' declared here}}
81 class S4 {
82   int a;
83   S4(); // expected-note {{implicitly declared private here}}
84   S4(const S4 &s4);
85   S4 &operator+(const S4 &arg) { return (*this); }
86 
87 public:
88   S4(int v) : a(v) {}
89 };
90 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
91 class S5 {
92   int a;
93   S5() : a(0) {} // expected-note {{implicitly declared private here}}
94   S5(const S5 &s5) : a(s5.a) {}
95   S5 &operator+(const S5 &arg);
96 
97 public:
98   S5(int v) : a(v) {}
99 };
100 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}}
101 #if __cplusplus >= 201103L // C++11 or later
102 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
103 #endif
104   int a;
105 
106 public:
107   S6() : a(6) {}
108   operator int() { return 6; }
109 } o;
110 
111 S3 h, k;
112 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
113 
114 template <class T>       // expected-note {{declared here}}
115 T tmain(T argc) {
116   const T d = T();       // expected-note 4 {{'d' defined here}}
117   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
118   T qa[5] = {T()};
119   T i;
120   T &j = i;                    // expected-note 2 {{'j' defined here}}
121   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
122   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
123   T &q = qa[(int)i];
124   T fl;
125 #pragma omp taskgroup task_reduction(+:argc)
126 #pragma omp taskloop simd in_reduction // expected-error {{expected '(' after 'in_reduction'}}
127   for (int i = 0; i < 10; ++i)
128   foo();
129 #pragma omp taskgroup task_reduction(+:argc)
130 #pragma omp taskloop simd in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
131   for (int i = 0; i < 10; ++i)
132   foo();
133 #pragma omp taskgroup task_reduction(+:argc)
134 #pragma omp taskloop simd in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
135   for (int i = 0; i < 10; ++i)
136   foo();
137 #pragma omp taskgroup task_reduction(+:argc)
138 #pragma omp taskloop simd in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
139   for (int i = 0; i < 10; ++i)
140   foo();
141 #pragma omp taskgroup task_reduction(+:argc)
142 #pragma omp taskloop simd in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
143   for (int i = 0; i < 10; ++i)
144   foo();
145 #pragma omp taskgroup task_reduction(+:argc)
146 #pragma omp taskloop simd in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
147   for (int i = 0; i < 10; ++i)
148   foo();
149 #pragma omp taskgroup task_reduction(+:argc)
150 #pragma omp taskloop simd in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
151   for (int i = 0; i < 10; ++i)
152   foo();
153 #pragma omp taskgroup task_reduction(&:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
154 #pragma omp taskloop simd in_reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
155   for (int i = 0; i < 10; ++i)
156   foo();
157 #pragma omp taskgroup task_reduction(|:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
158 #pragma omp taskloop simd in_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
159   for (int i = 0; i < 10; ++i)
160   foo();
161 #pragma omp taskloop simd in_reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
162   for (int i = 0; i < 10; ++i)
163   foo();
164 #pragma omp taskloop simd in_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'}}
165   for (int i = 0; i < 10; ++i)
166   foo();
167 #pragma omp taskgroup task_reduction(&&:argc)
168 #pragma omp taskloop simd in_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 '('}}
169   for (int i = 0; i < 10; ++i)
170   foo();
171 #pragma omp taskloop simd in_reduction(^ : T) // expected-error {{'T' does not refer to a value}}
172   for (int i = 0; i < 10; ++i)
173   foo();
174 #pragma omp taskgroup task_reduction(+:c)
175 #pragma omp taskloop simd in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be in_reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}} expected-error 2 {{in_reduction variable must appear in a task_reduction clause}}
176   for (int i = 0; i < 10; ++i)
177   foo();
178 #pragma omp taskloop simd in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be in_reduction}}
179   for (int i = 0; i < 10; ++i)
180   foo();
181 #pragma omp taskloop simd in_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 taskloop simd in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
185   for (int i = 0; i < 10; ++i)
186   foo();
187 #pragma omp taskloop simd in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
188   for (int i = 0; i < 10; ++i)
189   foo();
190 #pragma omp taskloop simd in_reduction(- : da) // expected-error {{const-qualified variable cannot be in_reduction}} expected-error {{const-qualified variable cannot be in_reduction}}
191   for (int i = 0; i < 10; ++i)
192   foo();
193 #pragma omp taskloop simd in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} expected-error {{in_reduction variable must appear in a task_reduction clause}}
194   for (int i = 0; i < 10; ++i)
195   foo();
196 #pragma omp taskloop simd in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
197   for (int i = 0; i < 10; ++i)
198   foo();
199 #pragma omp taskloop simd in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
200   for (int i = 0; i < 10; ++i)
201   foo();
202 #pragma omp taskgroup task_reduction(+:k)
203 #pragma omp taskloop simd in_reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
204   for (int i = 0; i < 10; ++i)
205   foo();
206 #pragma omp taskloop simd in_reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
207   for (int i = 0; i < 10; ++i)
208   foo();
209 #pragma omp parallel private(k)
210 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
211   for (int i = 0; i < 10; ++i)
212   foo();
213 #pragma omp taskgroup task_reduction(+:p)
214 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note 2 {{previously referenced here}}
215   for (int i = 0; i < 10; ++i)
216   foo();
217 #pragma omp taskloop simd in_reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be in_reduction}}
218   for (int i = 0; i < 10; ++i)
219   foo();
220 #pragma omp parallel shared(i)
221 #pragma omp parallel reduction(min : i)
222 #pragma omp taskloop simd in_reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
223   for (int i = 0; i < 10; ++i)
224   foo();
225 #pragma omp taskgroup task_reduction(+:fl)
226 {
227 #pragma omp taskloop simd in_reduction(+ : fl)
228   for (int i = 0; i < 10; ++i)
229     foo();
230 #pragma omp taskgroup task_reduction(*:fl) // expected-note 2 {{previously marked as task_reduction with different reduction operation}}
231 {
232 #pragma omp taskloop simd in_reduction(+ : fl) // expected-error 2 {{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
233   for (int i = 0; i < 10; ++i)
234     foo();
235 }
236 }
237 #pragma omp parallel
238 #pragma omp for reduction(- : fl)
239   for (int i = 0; i < 10; ++i)
240 #pragma omp taskgroup task_reduction(+:fl)
241 #pragma omp taskloop simd in_reduction(+ : fl)
242   for (int j = 0; j < 10; ++j)
243     foo();
244 
245   return T();
246 }
247 
248 namespace A {
249 double x;
250 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
251 }
252 namespace B {
253 using A::x;
254 }
255 
256 int main(int argc, char **argv) {
257   const int d = 5;       // expected-note 2 {{'d' defined here}}
258   const int da[5] = {0}; // expected-note {{'da' defined here}}
259   int qa[5] = {0};
260   S4 e(4);
261   S5 g(5);
262   int i;
263   int &j = i;                  // expected-note {{'j' defined here}}
264   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
265   const int &r = da[i];        // expected-note {{'r' defined here}}
266   int &q = qa[i];
267   float fl;
268 #pragma omp taskloop simd in_reduction // expected-error {{expected '(' after 'in_reduction'}}
269   for (int i = 0; i < 10; ++i)
270   foo();
271 #pragma omp taskloop simd in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
272   for (int i = 0; i < 10; ++i)
273   foo();
274 #pragma omp taskloop simd in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
275   for (int i = 0; i < 10; ++i)
276   foo();
277 #pragma omp taskloop simd in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
278   for (int i = 0; i < 10; ++i)
279   foo();
280 #pragma omp taskloop simd in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
281   for (int i = 0; i < 10; ++i)
282   foo();
283 #pragma omp taskloop simd in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
284   for (int i = 0; i < 10; ++i)
285   foo();
286 #pragma omp taskloop simd in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
287   for (int i = 0; i < 10; ++i)
288   foo();
289 #pragma omp taskloop simd in_reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
290   for (int i = 0; i < 10; ++i)
291   foo();
292 #pragma omp taskgroup task_reduction(|:argc)
293 #pragma omp taskloop simd in_reduction(| : argc, // 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 taskloop simd in_reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
297   for (int i = 0; i < 10; ++i)
298   foo();
299 #pragma omp taskloop simd in_reduction(~ : argc) // expected-error {{expected unqualified-id}}
300   for (int i = 0; i < 10; ++i)
301   foo();
302 #pragma omp taskgroup task_reduction(&&:argc)
303 #pragma omp taskloop simd in_reduction(&& : argc)
304   for (int i = 0; i < 10; ++i)
305   foo();
306 #pragma omp taskloop simd in_reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
307   for (int i = 0; i < 10; ++i)
308   foo();
309 #pragma omp taskgroup task_reduction(+:c)
310 #pragma omp taskloop simd in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be in_reduction}} expected-error {{'operator+' is a private member of 'S2'}} expected-error {{in_reduction variable must appear in a task_reduction clause}}
311   for (int i = 0; i < 10; ++i)
312   foo();
313 #pragma omp taskloop simd in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be in_reduction}}
314   for (int i = 0; i < 10; ++i)
315   foo();
316 #pragma omp taskloop simd in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
317   for (int i = 0; i < 10; ++i)
318   foo();
319 #pragma omp taskloop simd in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
320   for (int i = 0; i < 10; ++i)
321   foo();
322 #pragma omp taskloop simd in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
323   for (int i = 0; i < 10; ++i)
324   foo();
325 #pragma omp taskloop simd in_reduction(- : da) // expected-error {{const-qualified variable cannot be in_reduction}}
326   for (int i = 0; i < 10; ++i)
327   foo();
328 #pragma omp taskloop simd in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
329   for (int i = 0; i < 10; ++i)
330   foo();
331 #pragma omp taskloop simd in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
332   for (int i = 0; i < 10; ++i)
333   foo();
334 #pragma omp taskloop simd in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
335   for (int i = 0; i < 10; ++i)
336   foo();
337 #pragma omp taskloop simd in_reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{nvalid 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')}}
338   for (int i = 0; i < 10; ++i)
339   foo();
340 #pragma omp taskgroup task_reduction(+:k)
341 #pragma omp taskloop simd in_reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
342   for (int i = 0; i < 10; ++i)
343   foo();
344 #pragma omp taskloop simd in_reduction(+ : o) // expected-error {{no viable overloaded '='}}
345   for (int i = 0; i < 10; ++i)
346   foo();
347 #pragma omp parallel private(k)
348 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
349   for (int i = 0; i < 10; ++i)
350   foo();
351 #pragma omp taskgroup task_reduction(+:p)
352 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note {{previously referenced here}}
353   for (int i = 0; i < 10; ++i)
354   foo();
355 #pragma omp taskloop simd in_reduction(+ : r) // expected-error {{const-qualified variable cannot be in_reduction}}
356   for (int i = 0; i < 10; ++i)
357   foo();
358 #pragma omp parallel shared(i)
359 #pragma omp parallel reduction(min : i)
360 #pragma omp taskloop simd in_reduction(max : j) // expected-error {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
361   for (int i = 0; i < 10; ++i)
362   foo();
363 #pragma omp parallel
364 #pragma omp for private(fl)
365   for (int i = 0; i < 10; ++i)
366 #pragma omp taskgroup task_reduction(+:fl)
367 #pragma omp taskloop simd in_reduction(+ : fl)
368   for (int j = 0; j < 10; ++j)
369     foo();
370 #pragma omp taskgroup task_reduction(+:fl)
371 #pragma omp taskloop simd in_reduction(+ : fl)
372   for (int i = 0; i < 10; ++i)
373     foo();
374   static int m;
375 #pragma omp taskgroup task_reduction(+:m)
376 #pragma omp taskloop simd in_reduction(+ : m) // OK
377   for (int i = 0; i < 10; ++i)
378   m++;
379 
380   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}}
381 }
382