1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wno-openmp-mapping -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -o - %s -Wno-openmp-mapping -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
7 
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wno-openmp-mapping -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -o - %s -Wno-openmp-mapping -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
14 
15 extern int omp_default_mem_alloc;
16 void xxx(int argc) {
17   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
18 #pragma omp target
19 #pragma omp teams reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
20   for (int i = 0; i < 10; ++i)
21     ;
22 }
23 
24 void foo() {
25 }
26 
27 bool foobool(int argc) {
28   return argc;
29 }
30 
31 void foobar(int &ref) {
32 #pragma omp target
33 #pragma omp teams reduction(+:ref)
34   foo();
35 }
36 
37 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
38 extern S1 a;
39 class S2 {
40   mutable int a;
41   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
42 
43 public:
44   S2() : a(0) {}
45   S2(S2 &s2) : a(s2.a) {}
46   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
47   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
48 };
49 const float S2::S2sc = 0;
50 S2 b;                     // expected-note 3 {{'b' defined here}}
51 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
52 class S3 {
53   int a;
54 
55 public:
56   int b;
57   S3() : a(0) {}
58   S3(const S3 &s3) : a(s3.a) {}
59   S3 operator+(const S3 &arg1) { return arg1; }
60 };
61 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
62 S3 c;               // expected-note 3 {{'c' defined here}}
63 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
64 extern const int f; // expected-note 4 {{'f' declared here}}
65 class S4 {
66   int a;
67   S4(); // expected-note {{implicitly declared private here}}
68   S4(const S4 &s4);
69   S4 &operator+(const S4 &arg) { return (*this); }
70 
71 public:
72   S4(int v) : a(v) {}
73 };
74 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
75 class S5 {
76   int a;
77   S5() : a(0) {} // expected-note {{implicitly declared private here}}
78   S5(const S5 &s5) : a(s5.a) {}
79   S5 &operator+(const S5 &arg);
80 
81 public:
82   S5(int v) : a(v) {}
83 };
84 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}}
85 #if __cplusplus >= 201103L // C++11 or later
86 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
87 #endif
88   int a;
89 
90 public:
91   S6() : a(6) {}
92   operator int() { return 6; }
93 } o;
94 
95 S3 h, k;
96 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
97 
98 template <class T>       // expected-note {{declared here}}
99 T tmain(T argc) {
100   const T d = T();       // expected-note 4 {{'d' defined here}}
101   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
102   T qa[5] = {T()};
103   T i, z;
104   T &j = i;                    // expected-note 4 {{'j' defined here}}
105   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
106   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
107   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
108   T fl;
109 #pragma omp target
110 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
111   foo();
112 #pragma omp target
113 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
114   foo();
115 #pragma omp target
116 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
117   foo();
118 #pragma omp target
119 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
120   foo();
121 #pragma omp target
122 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
123   foo();
124 #pragma omp target
125 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
126   foo();
127 #pragma omp target
128 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
129   foo();
130 #pragma omp target
131 #pragma omp teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
132   foo();
133 #pragma omp target
134 #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')}}
135   foo();
136 #pragma omp target
137 #pragma omp teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
138   foo();
139 #pragma omp target
140 #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'}}
141   foo();
142 #pragma omp target
143 #pragma omp teams 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 '('}}
144   foo();
145 #pragma omp target
146 #pragma omp teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
147   foo();
148 #pragma omp target
149 #pragma omp teams reduction(+ : z, 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'}}
150   foo();
151 #pragma omp target
152 #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}}
153   foo();
154 #pragma omp target
155 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
156   foo();
157 #pragma omp target
158 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
159   foo();
160 #pragma omp target
161 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
162   foo();
163 #pragma omp target
164 #pragma omp teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
165   foo();
166 #pragma omp target
167 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
168   foo();
169 #pragma omp target
170 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
171   foo();
172 #pragma omp target
173 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
174   foo();
175 #pragma omp target
176 #pragma omp teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
177   foo();
178 #pragma omp target
179 #pragma omp teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
180   foo();
181 #pragma omp target
182 #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}}
183   foo();
184 #pragma omp parallel private(k)
185 #pragma omp target
186 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
187   foo();
188 #pragma omp target
189 #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}}
190   foo();
191 #pragma omp target
192 #pragma omp teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
193   foo();
194 #pragma omp parallel shared(i)
195 #pragma omp parallel reduction(min : i)
196 #pragma omp target
197 #pragma omp teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
198   foo();
199 #pragma omp target
200 #pragma omp teams
201 #pragma omp parallel for private(fl)
202   for (int i = 0; i < 10; ++i)
203   {}
204 #pragma omp target
205 #pragma omp teams reduction(+ : fl)
206     foo();
207 #pragma omp target
208 #pragma omp teams
209 #pragma omp parallel for reduction(- : fl)
210   for (int i = 0; i < 10; ++i)
211   {}
212 #pragma omp target
213 #pragma omp teams reduction(+ : fl)
214     foo();
215 
216   return T();
217 }
218 
219 namespace A {
220 double x;
221 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
222 }
223 namespace B {
224 using A::x;
225 }
226 
227 int main(int argc, char **argv) {
228   const int d = 5;       // expected-note 2 {{'d' defined here}}
229   const int da[5] = {0}; // expected-note {{'da' defined here}}
230   int qa[5] = {0};
231   S4 e(4);
232   S5 g(5);
233   int i, z;
234   int &j = i;                  // expected-note 2 {{'j' defined here}}
235   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
236   const int &r = da[i];        // expected-note {{'r' defined here}}
237   int &q = qa[i];              // expected-note {{'q' defined here}}
238   float fl;
239 #pragma omp target
240 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
241   foo();
242 #pragma omp target
243 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
244   foo();
245 #pragma omp target
246 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
247   foo();
248 #pragma omp target
249 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
250   foo();
251 #pragma omp target
252 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
253   foo();
254 #pragma omp target
255 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
256   foo();
257 #pragma omp target
258 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
259   foo();
260 #pragma omp target
261 #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'}}
262   foo();
263 #pragma omp target
264 #pragma omp teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
265   foo();
266 #pragma omp target
267 #pragma omp teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
268   foo();
269 #pragma omp target
270 #pragma omp teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
271   foo();
272 #pragma omp target
273 #pragma omp teams reduction(&& : argc)
274   foo();
275 #pragma omp target
276 #pragma omp teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
277   foo();
278 #pragma omp target
279 #pragma omp teams reduction(+ : a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} 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'}}
280   foo();
281 #pragma omp target
282 #pragma omp teams reduction(min : a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} 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}}
283   foo();
284 #pragma omp target
285 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
286   foo();
287 #pragma omp target
288 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
289   foo();
290 #pragma omp target
291 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
292   foo();
293 #pragma omp target
294 #pragma omp teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
295   foo();
296 #pragma omp target
297 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
298   foo();
299 #pragma omp target
300 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
301   foo();
302 #pragma omp target
303 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
304   foo();
305 #pragma omp target
306 #pragma omp teams reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
307   foo();
308 #pragma omp target
309 #pragma omp teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
310   foo();
311 #pragma omp target
312 #pragma omp teams reduction(+ : z, o) // expected-error {{no viable overloaded '='}}
313   foo();
314 #pragma omp target
315 #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}}
316   foo();
317 #pragma omp parallel private(k)
318 #pragma omp target
319 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
320   foo();
321 #pragma omp target
322 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
323   foo();
324 #pragma omp target
325 #pragma omp teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
326   foo();
327 #pragma omp parallel shared(i)
328 #pragma omp parallel reduction(min : i)
329 #pragma omp target
330 #pragma omp teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
331   foo();
332 #pragma omp target
333 #pragma omp teams
334 #pragma omp parallel for private(fl)
335   for (int i = 0; i < 10; ++i)
336   {}
337 #pragma omp target
338 #pragma omp teams reduction(+ : fl)
339     foo();
340 #pragma omp target
341 #pragma omp teams
342 #pragma omp parallel for reduction(- : fl)
343   for (int i = 0; i < 10; ++i)
344   {}
345 #pragma omp target
346 #pragma omp teams reduction(+ : fl)
347     foo();
348   static int m;
349 #pragma omp target
350 #pragma omp teams reduction(+ : m) // OK
351   foo();
352 #pragma omp target
353 #pragma omp teams reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
354   foo();
355 
356   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}}
357 }
358