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 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
9 
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 task in_reduction(+:ref)
20   foo();
21 }
22 
23 void foobar1(int &ref) {
24 #pragma omp taskgroup task_reduction(+:ref)
25 #pragma omp task in_reduction(-:ref)
26   foo();
27 }
28 
29 #pragma omp declare reduction (red:int:omp_out += omp_in)
30 
31 void foobar2(int &ref) {
32 #pragma omp taskgroup task_reduction(+:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
33 #pragma omp task in_reduction(red:ref) // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
34   foo();
35 }
36 
37 void foobar3(int &ref) {
38 #pragma omp taskgroup task_reduction(red:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
39 #pragma omp task in_reduction(min:ref)  // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
40   foo();
41 }
42 
43 void foobar4(int &ref) {
44 #pragma omp task in_reduction(min:ref) // expected-error {{in_reduction variable must appear in a task_reduction clause}}
45   foo();
46 }
47 
48 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
49 extern S1 a;
50 class S2 {
51   mutable int a;
52   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
53 
54 public:
55   S2() : a(0) {}
56   S2(S2 &s2) : a(s2.a) {}
57   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
58   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
59 };
60 const float S2::S2sc = 0;
61 S2 b;                     // expected-note 3 {{'b' defined here}}
62 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
63 class S3 {
64   int a;
65 
66 public:
67   int b;
68   S3() : a(0) {}
69   S3(const S3 &s3) : a(s3.a) {}
70   S3 operator+(const S3 &arg1) { return arg1; }
71 };
72 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
73 S3 c;               // expected-note 3 {{'c' defined here}}
74 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
75 extern const int f; // expected-note 4 {{'f' declared here}}
76 class S4 {
77   int a;
78   S4(); // expected-note {{implicitly declared private here}}
79   S4(const S4 &s4);
80   S4 &operator+(const S4 &arg) { return (*this); }
81 
82 public:
83   S4(int v) : a(v) {}
84 };
85 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
86 class S5 {
87   int a;
88   S5() : a(0) {} // expected-note {{implicitly declared private here}}
89   S5(const S5 &s5) : a(s5.a) {}
90   S5 &operator+(const S5 &arg);
91 
92 public:
93   S5(int v) : a(v) {}
94 };
95 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}}
96 #if __cplusplus >= 201103L // C++11 or later
97 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
98 #endif
99   int a;
100 
101 public:
102   S6() : a(6) {}
103   operator int() { return 6; }
104 } o;
105 
106 S3 h, k;
107 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
108 
109 template <class T>       // expected-note {{declared here}}
110 T tmain(T argc) {
111   const T d = T();       // expected-note 4 {{'d' defined here}}
112   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
113   T qa[5] = {T()};
114   T i;
115   T &j = i;                    // expected-note 2 {{'j' defined here}}
116   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
117   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
118   T &q = qa[(int)i];
119   T fl;
120 #pragma omp taskgroup task_reduction(+:argc)
121 #pragma omp task in_reduction // expected-error {{expected '(' after 'in_reduction'}}
122   foo();
123 #pragma omp taskgroup task_reduction(+:argc)
124 #pragma omp task in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
125   foo();
126 #pragma omp taskgroup task_reduction(+:argc)
127 #pragma omp task in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
128   foo();
129 #pragma omp taskgroup task_reduction(+:argc)
130 #pragma omp task in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
131   foo();
132 #pragma omp taskgroup task_reduction(+:argc)
133 #pragma omp task in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
134   foo();
135 #pragma omp taskgroup task_reduction(+:argc)
136 #pragma omp task in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
137   foo();
138 #pragma omp taskgroup task_reduction(+:argc)
139 #pragma omp task in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
140   foo();
141 #pragma omp taskgroup task_reduction(&:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
142 #pragma omp task in_reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
143   foo();
144 #pragma omp taskgroup task_reduction(|:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
145 #pragma omp task 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')}}
146   foo();
147 #pragma omp task in_reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
148   foo();
149 #pragma omp task 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'}}
150   foo();
151 #pragma omp taskgroup task_reduction(&&:argc)
152 #pragma omp task in_reduction(&& : argc)
153   foo();
154 #pragma omp task in_reduction(^ : T) // expected-error {{'T' does not refer to a value}}
155   foo();
156 #pragma omp taskgroup task_reduction(+:c)
157 #pragma omp task in_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'}} expected-error 2 {{in_reduction variable must appear in a task_reduction clause}}
158   foo();
159 #pragma omp task 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 list item cannot be reduction}}
160   foo();
161 #pragma omp task in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
162   foo();
163 #pragma omp task in_reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
164   foo();
165 #pragma omp task in_reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
166   foo();
167 #pragma omp task in_reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
168   foo();
169 #pragma omp task 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}}
170   foo();
171 #pragma omp task in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
172   foo();
173 #pragma omp task in_reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
174   foo();
175 #pragma omp taskgroup task_reduction(+:k)
176 #pragma omp task in_reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
177   foo();
178 #pragma omp task in_reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
179   foo();
180 #pragma omp parallel private(k)
181 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
182   foo();
183 #pragma omp taskgroup task_reduction(+:p)
184 #pragma omp task 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}}
185   foo();
186 #pragma omp task in_reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
187   foo();
188 #pragma omp parallel shared(i)
189 #pragma omp parallel reduction(min : i)
190 #pragma omp task in_reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
191   foo();
192 #pragma omp taskgroup task_reduction(+:fl)
193 #pragma omp task in_reduction(+ : fl)
194     foo();
195 #pragma omp parallel
196 #pragma omp for reduction(- : fl)
197   for (int i = 0; i < 10; ++i)
198 #pragma omp taskgroup task_reduction(+:fl)
199 #pragma omp task in_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 {{'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];
224   float fl;
225 #pragma omp task in_reduction // expected-error {{expected '(' after 'in_reduction'}}
226   foo();
227 #pragma omp task in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
228   foo();
229 #pragma omp task in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
230   foo();
231 #pragma omp task in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
232   foo();
233 #pragma omp task in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
234   foo();
235 #pragma omp task in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
236   foo();
237 #pragma omp task in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
238   foo();
239 #pragma omp task in_reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
240   foo();
241 #pragma omp taskgroup task_reduction(|:argc)
242 {
243 #pragma omp taskgroup task_reduction(+:argc) // expected-note {{previously marked as task_reduction with different reduction operation}}
244 {
245 #pragma omp task in_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
246   foo();
247 }
248 #pragma omp task in_reduction(| : argc)
249   foo();
250 }
251 #pragma omp task in_reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
252   foo();
253 #pragma omp task in_reduction(~ : argc) // expected-error {{expected unqualified-id}}
254   foo();
255 #pragma omp taskgroup task_reduction(&&:argc)
256 #pragma omp task in_reduction(&& : argc)
257   foo();
258 #pragma omp task in_reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
259   foo();
260 #pragma omp taskgroup task_reduction(+:c)
261 #pragma omp task in_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'}} expected-error {{in_reduction variable must appear in a task_reduction clause}}
262   foo();
263 #pragma omp task 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 list item cannot be reduction}}
264   foo();
265 #pragma omp task in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
266   foo();
267 #pragma omp task in_reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
268   foo();
269 #pragma omp task in_reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
270   foo();
271 #pragma omp task in_reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
272   foo();
273 #pragma omp task in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
274   foo();
275 #pragma omp task in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
276   foo();
277 #pragma omp task in_reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
278   foo();
279 #pragma omp task 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')}}
280   foo();
281 #pragma omp taskgroup task_reduction(+:k)
282 #pragma omp task in_reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
283   foo();
284 #pragma omp task in_reduction(+ : o) // expected-error {{no viable overloaded '='}}
285   foo();
286 #pragma omp parallel private(k)
287 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
288   foo();
289 #pragma omp taskgroup task_reduction(+:p)
290 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note {{previously referenced here}}
291   foo();
292 #pragma omp task in_reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
293   foo();
294 #pragma omp parallel shared(i)
295 #pragma omp parallel reduction(min : i)
296 #pragma omp task in_reduction(max : j) // expected-error {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
297   foo();
298 #pragma omp parallel
299 #pragma omp for private(fl)
300   for (int i = 0; i < 10; ++i)
301 #pragma omp taskgroup task_reduction(+:fl)
302 #pragma omp task in_reduction(+ : fl)
303     foo();
304 #pragma omp taskgroup task_reduction(+:fl)
305 #pragma omp task in_reduction(+ : fl)
306     foo();
307   static int m;
308 #pragma omp taskgroup task_reduction(+:m)
309 #pragma omp task in_reduction(+ : m) // OK
310   m++;
311 
312   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}}
313 }
314