1 // RUN: %clang_cc1 -verify -fopenmp -o - %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -o - %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -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 reduction(+:ref)
15   foo();
16 }
17 
18 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
19 extern S1 a;
20 class S2 {
21   mutable int a;
22   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
23 
24 public:
25   S2() : a(0) {}
26   S2(S2 &s2) : a(s2.a) {}
27   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
28   static const float S2sc;
29 };
30 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
31 S2 b;                     // expected-note 3 {{'b' defined here}}
32 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
33 class S3 {
34   int a;
35 
36 public:
37   int b;
38   S3() : a(0) {}
39   S3(const S3 &s3) : a(s3.a) {}
40   S3 operator+(const S3 &arg1) { return arg1; }
41 };
42 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
43 S3 c;               // expected-note 3 {{'c' defined here}}
44 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
45 extern const int f; // expected-note 4 {{'f' declared here}}
46 class S4 {
47   int a;
48   S4(); // expected-note {{implicitly declared private here}}
49   S4(const S4 &s4);
50   S4 &operator+(const S4 &arg) { return (*this); }
51 
52 public:
53   S4(int v) : a(v) {}
54 };
55 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
56 class S5 {
57   int a;
58   S5() : a(0) {} // expected-note {{implicitly declared private here}}
59   S5(const S5 &s5) : a(s5.a) {}
60   S5 &operator+(const S5 &arg);
61 
62 public:
63   S5(int v) : a(v) {}
64 };
65 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}}
66 #if __cplusplus >= 201103L // C++11 or later
67 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
68 #endif
69   int a;
70 
71 public:
72   S6() : a(6) {}
73   operator int() { return 6; }
74 } o;
75 
76 S3 h, k;
77 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
78 
79 template <class T>       // expected-note {{declared here}}
80 T tmain(T argc) {
81   const T d = T();       // expected-note 4 {{'d' defined here}}
82   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
83   T qa[5] = {T()};
84   T i;
85   T &j = i;                    // expected-note 4 {{'j' defined here}}
86   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
87   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
88   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
89   T fl;
90 #pragma omp target
91 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
92   foo();
93 #pragma omp target
94 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
95   foo();
96 #pragma omp target
97 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
98   foo();
99 #pragma omp target
100 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
101   foo();
102 #pragma omp target
103 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
104   foo();
105 #pragma omp target
106 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
107   foo();
108 #pragma omp target
109 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
110   foo();
111 #pragma omp target
112 #pragma omp teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
113   foo();
114 #pragma omp target
115 #pragma omp teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
116   foo();
117 #pragma omp target
118 #pragma omp teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
119   foo();
120 #pragma omp target
121 #pragma omp teams 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'}}
122   foo();
123 #pragma omp target
124 #pragma omp teams reduction(&& : argc)
125   foo();
126 #pragma omp target
127 #pragma omp teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
128   foo();
129 #pragma omp target
130 #pragma omp teams 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'}}
131   foo();
132 #pragma omp target
133 #pragma omp teams 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}}
134   foo();
135 #pragma omp target
136 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
137   foo();
138 #pragma omp target
139 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
140   foo();
141 #pragma omp target
142 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
143   foo();
144 #pragma omp target
145 #pragma omp teams reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
146   foo();
147 #pragma omp target
148 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
149   foo();
150 #pragma omp target
151 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
152   foo();
153 #pragma omp target
154 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
155   foo();
156 #pragma omp target
157 #pragma omp teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
158   foo();
159 #pragma omp target
160 #pragma omp teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
161   foo();
162 #pragma omp target
163 #pragma omp teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
164   foo();
165 #pragma omp parallel private(k)
166 #pragma omp target
167 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
168   foo();
169 #pragma omp target
170 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
171   foo();
172 #pragma omp target
173 #pragma omp teams reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
174   foo();
175 #pragma omp parallel shared(i)
176 #pragma omp parallel reduction(min : i)
177 #pragma omp target
178 #pragma omp teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
179   foo();
180 #pragma omp target
181 #pragma omp teams
182 #pragma omp parallel for private(fl)
183   for (int i = 0; i < 10; ++i)
184   {}
185 #pragma omp target
186 #pragma omp teams reduction(+ : fl)
187     foo();
188 #pragma omp target
189 #pragma omp teams
190 #pragma omp parallel for reduction(- : fl)
191   for (int i = 0; i < 10; ++i)
192   {}
193 #pragma omp target
194 #pragma omp teams reduction(+ : fl)
195     foo();
196 
197   return T();
198 }
199 
200 namespace A {
201 double x;
202 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
203 }
204 namespace B {
205 using A::x;
206 }
207 
208 int main(int argc, char **argv) {
209   const int d = 5;       // expected-note 2 {{'d' defined here}}
210   const int da[5] = {0}; // expected-note {{'da' defined here}}
211   int qa[5] = {0};
212   S4 e(4);
213   S5 g(5);
214   int i;
215   int &j = i;                  // expected-note 2 {{'j' defined here}}
216   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
217   const int &r = da[i];        // expected-note {{'r' defined here}}
218   int &q = qa[i];              // expected-note {{'q' defined here}}
219   float fl;
220 #pragma omp target
221 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
222   foo();
223 #pragma omp target
224 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
225   foo();
226 #pragma omp target
227 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
228   foo();
229 #pragma omp target
230 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
231   foo();
232 #pragma omp target
233 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
234   foo();
235 #pragma omp target
236 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
237   foo();
238 #pragma omp target
239 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
240   foo();
241 #pragma omp target
242 #pragma omp teams reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
243   foo();
244 #pragma omp target
245 #pragma omp teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
246   foo();
247 #pragma omp target
248 #pragma omp teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
249   foo();
250 #pragma omp target
251 #pragma omp teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
252   foo();
253 #pragma omp target
254 #pragma omp teams reduction(&& : argc)
255   foo();
256 #pragma omp target
257 #pragma omp teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
258   foo();
259 #pragma omp target
260 #pragma omp teams 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'}}
261   foo();
262 #pragma omp target
263 #pragma omp teams 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}}
264   foo();
265 #pragma omp target
266 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
267   foo();
268 #pragma omp target
269 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
270   foo();
271 #pragma omp target
272 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
273   foo();
274 #pragma omp target
275 #pragma omp teams reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
276   foo();
277 #pragma omp target
278 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
279   foo();
280 #pragma omp target
281 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
282   foo();
283 #pragma omp target
284 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
285   foo();
286 #pragma omp target
287 #pragma omp teams 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')}}
288   foo();
289 #pragma omp target
290 #pragma omp teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
291   foo();
292 #pragma omp target
293 #pragma omp teams reduction(+ : o) // expected-error {{no viable overloaded '='}}
294   foo();
295 #pragma omp target
296 #pragma omp teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
297   foo();
298 #pragma omp parallel private(k)
299 #pragma omp target
300 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
301   foo();
302 #pragma omp target
303 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
304   foo();
305 #pragma omp target
306 #pragma omp teams reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
307   foo();
308 #pragma omp parallel shared(i)
309 #pragma omp parallel reduction(min : i)
310 #pragma omp target
311 #pragma omp teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
312   foo();
313 #pragma omp target
314 #pragma omp teams
315 #pragma omp parallel for private(fl)
316   for (int i = 0; i < 10; ++i)
317   {}
318 #pragma omp target
319 #pragma omp teams reduction(+ : fl)
320     foo();
321 #pragma omp target
322 #pragma omp teams
323 #pragma omp parallel for reduction(- : fl)
324   for (int i = 0; i < 10; ++i)
325   {}
326 #pragma omp target
327 #pragma omp teams reduction(+ : fl)
328     foo();
329   static int m;
330 #pragma omp target
331 #pragma omp teams reduction(+ : m) // OK
332   foo();
333 
334   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}}
335 }
336