1 // RUN: %clang_cc1 -verify -fopenmp -o - %s -Wno-openmp-target
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -o - %s -Wno-openmp-target
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wno-openmp-target
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -o - %s -Wno-openmp-target
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -o - %s -Wno-openmp-target
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wno-openmp-target
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 reduction(+:ref)
19   foo();
20 }
21 
22 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
23 extern S1 a;
24 class S2 {
25   mutable int a;
26   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
27 
28 public:
29   S2() : a(0) {}
30   S2(S2 &s2) : a(s2.a) {}
31   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
32   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
33 };
34 const float S2::S2sc = 0;
35 S2 b;                     // expected-note 3 {{'b' defined here}}
36 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
37 class S3 {
38   int a;
39 
40 public:
41   int b;
42   S3() : a(0) {}
43   S3(const S3 &s3) : a(s3.a) {}
44   S3 operator+(const S3 &arg1) { return arg1; }
45 };
46 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
47 S3 c;               // expected-note 3 {{'c' defined here}}
48 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
49 extern const int f; // expected-note 4 {{'f' declared here}}
50 class S4 {
51   int a;
52   S4(); // expected-note {{implicitly declared private here}}
53   S4(const S4 &s4);
54   S4 &operator+(const S4 &arg) { return (*this); }
55 
56 public:
57   S4(int v) : a(v) {}
58 };
59 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
60 class S5 {
61   int a;
62   S5() : a(0) {} // expected-note {{implicitly declared private here}}
63   S5(const S5 &s5) : a(s5.a) {}
64   S5 &operator+(const S5 &arg);
65 
66 public:
67   S5(int v) : a(v) {}
68 };
69 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}}
70 #if __cplusplus >= 201103L // C++11 or later
71 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
72 #endif
73   int a;
74 
75 public:
76   S6() : a(6) {}
77   operator int() { return 6; }
78 } o;
79 
80 S3 h, k;
81 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
82 
83 template <class T>       // expected-note {{declared here}}
84 T tmain(T argc) {
85   const T d = T();       // expected-note 4 {{'d' defined here}}
86   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
87   T qa[5] = {T()};
88   T i;
89   T &j = i;                    // expected-note 4 {{'j' defined here}}
90   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
91   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
92   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
93   T fl;
94 #pragma omp target
95 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
96   foo();
97 #pragma omp target
98 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
99   foo();
100 #pragma omp target
101 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
102   foo();
103 #pragma omp target
104 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
105   foo();
106 #pragma omp target
107 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
108   foo();
109 #pragma omp target
110 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
111   foo();
112 #pragma omp target
113 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
114   foo();
115 #pragma omp target
116 #pragma omp teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
117   foo();
118 #pragma omp target
119 #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')}}
120   foo();
121 #pragma omp target
122 #pragma omp teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
123   foo();
124 #pragma omp target
125 #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'}}
126   foo();
127 #pragma omp target
128 #pragma omp teams reduction(&& : argc)
129   foo();
130 #pragma omp target
131 #pragma omp teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
132   foo();
133 #pragma omp target
134 #pragma omp teams 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'}}
135   foo();
136 #pragma omp target
137 #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 variable cannot be reduction}}
138   foo();
139 #pragma omp target
140 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
141   foo();
142 #pragma omp target
143 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
144   foo();
145 #pragma omp target
146 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
147   foo();
148 #pragma omp target
149 #pragma omp teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
150   foo();
151 #pragma omp target
152 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
153   foo();
154 #pragma omp target
155 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
156   foo();
157 #pragma omp target
158 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
159   foo();
160 #pragma omp target
161 #pragma omp teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
162   foo();
163 #pragma omp target
164 #pragma omp teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
165   foo();
166 #pragma omp target
167 #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}}
168   foo();
169 #pragma omp parallel private(k)
170 #pragma omp target
171 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
172   foo();
173 #pragma omp target
174 #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}}
175   foo();
176 #pragma omp target
177 #pragma omp teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
178   foo();
179 #pragma omp parallel shared(i)
180 #pragma omp parallel reduction(min : i)
181 #pragma omp target
182 #pragma omp teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
183   foo();
184 #pragma omp target
185 #pragma omp teams
186 #pragma omp parallel for private(fl)
187   for (int i = 0; i < 10; ++i)
188   {}
189 #pragma omp target
190 #pragma omp teams reduction(+ : fl)
191     foo();
192 #pragma omp target
193 #pragma omp teams
194 #pragma omp parallel for reduction(- : fl)
195   for (int i = 0; i < 10; ++i)
196   {}
197 #pragma omp target
198 #pragma omp teams reduction(+ : fl)
199     foo();
200 
201   return T();
202 }
203 
204 namespace A {
205 double x;
206 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
207 }
208 namespace B {
209 using A::x;
210 }
211 
212 int main(int argc, char **argv) {
213   const int d = 5;       // expected-note 2 {{'d' defined here}}
214   const int da[5] = {0}; // expected-note {{'da' defined here}}
215   int qa[5] = {0};
216   S4 e(4);
217   S5 g(5);
218   int i;
219   int &j = i;                  // expected-note 2 {{'j' defined here}}
220   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
221   const int &r = da[i];        // expected-note {{'r' defined here}}
222   int &q = qa[i];              // expected-note {{'q' defined here}}
223   float fl;
224 #pragma omp target
225 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
226   foo();
227 #pragma omp target
228 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
229   foo();
230 #pragma omp target
231 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
232   foo();
233 #pragma omp target
234 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
235   foo();
236 #pragma omp target
237 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
238   foo();
239 #pragma omp target
240 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
241   foo();
242 #pragma omp target
243 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
244   foo();
245 #pragma omp target
246 #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'}}
247   foo();
248 #pragma omp target
249 #pragma omp teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
250   foo();
251 #pragma omp target
252 #pragma omp teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
253   foo();
254 #pragma omp target
255 #pragma omp teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
256   foo();
257 #pragma omp target
258 #pragma omp teams reduction(&& : argc)
259   foo();
260 #pragma omp target
261 #pragma omp teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
262   foo();
263 #pragma omp target
264 #pragma omp teams 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'}}
265   foo();
266 #pragma omp target
267 #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 variable cannot be reduction}}
268   foo();
269 #pragma omp target
270 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
271   foo();
272 #pragma omp target
273 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
274   foo();
275 #pragma omp target
276 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
277   foo();
278 #pragma omp target
279 #pragma omp teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
280   foo();
281 #pragma omp target
282 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
283   foo();
284 #pragma omp target
285 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
286   foo();
287 #pragma omp target
288 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
289   foo();
290 #pragma omp target
291 #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')}}
292   foo();
293 #pragma omp target
294 #pragma omp teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
295   foo();
296 #pragma omp target
297 #pragma omp teams reduction(+ : o) // expected-error {{no viable overloaded '='}}
298   foo();
299 #pragma omp target
300 #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}}
301   foo();
302 #pragma omp parallel private(k)
303 #pragma omp target
304 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
305   foo();
306 #pragma omp target
307 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
308   foo();
309 #pragma omp target
310 #pragma omp teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
311   foo();
312 #pragma omp parallel shared(i)
313 #pragma omp parallel reduction(min : i)
314 #pragma omp target
315 #pragma omp teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
316   foo();
317 #pragma omp target
318 #pragma omp teams
319 #pragma omp parallel for private(fl)
320   for (int i = 0; i < 10; ++i)
321   {}
322 #pragma omp target
323 #pragma omp teams reduction(+ : fl)
324     foo();
325 #pragma omp target
326 #pragma omp teams
327 #pragma omp parallel for reduction(- : fl)
328   for (int i = 0; i < 10; ++i)
329   {}
330 #pragma omp target
331 #pragma omp teams reduction(+ : fl)
332     foo();
333   static int m;
334 #pragma omp target
335 #pragma omp teams reduction(+ : m) // OK
336   foo();
337 
338   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}}
339 }
340