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