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
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
12 bool foobool(int argc) {
16 void foobar(int &ref) {
17 #pragma omp parallel for reduction(+:ref)
18 for (int i = 0; i < 10; ++i)
22 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
26 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
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}}
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}}
43 S3(const S3 &s3) : a(s3.a) {}
44 S3 operator+(const S3 &arg1) { return arg1; }
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}}
52 S4(); // expected-note {{implicitly declared private here}}
54 S4 &operator+(const S4 &arg) { return (*this); }
59 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
62 S5() : a(0) {} // expected-note {{implicitly declared private here}}
63 S5(const S5 &s5) : a(s5.a) {}
64 S5 &operator+(const S5 &arg);
69 #pragma omp parallel private(a) // expected-note {{defined as private}}
70 #pragma omp for reduction(+:a) // expected-error {{reduction variable must be shared}}
71 for (int i = 0; i < 10; ++i)
75 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}}
76 #if __cplusplus >= 201103L // C++11 or later
77 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
83 operator int() { return 6; }
87 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
89 template <class T> // expected-note {{declared here}}
91 const T d = T(); // expected-note 4 {{'d' defined here}}
92 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
95 T &j = i; // expected-note 4 {{'j' defined here}}
96 S3 &p = k; // expected-note 2 {{'p' defined here}}
97 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
98 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
100 #pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}
101 for (int i = 0; i < 10; ++i)
103 #pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
104 for (int i = 0; i < 10; ++i)
106 #pragma omp parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
107 for (int i = 0; i < 10; ++i)
109 #pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
110 for (int i = 0; i < 10; ++i)
112 #pragma omp parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
113 for (int i = 0; i < 10; ++i)
115 #pragma omp parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
116 for (int i = 0; i < 10; ++i)
118 #pragma omp parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
119 for (int i = 0; i < 10; ++i)
121 #pragma omp parallel for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
122 for (int i = 0; i < 10; ++i)
124 #pragma omp parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
125 for (int i = 0; i < 10; ++i)
127 #pragma omp parallel for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
128 for (int i = 0; i < 10; ++i)
130 #pragma omp parallel for 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'}}
131 for (int i = 0; i < 10; ++i)
133 #pragma omp parallel for reduction(&& : argc)
134 for (int i = 0; i < 10; ++i)
136 #pragma omp parallel for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
137 for (int i = 0; i < 10; ++i)
139 #pragma omp parallel for 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'}}
140 for (int i = 0; i < 10; ++i)
142 #pragma omp parallel for 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}}
143 for (int i = 0; i < 10; ++i)
145 #pragma omp parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
146 for (int i = 0; i < 10; ++i)
148 #pragma omp parallel for reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
149 for (int i = 0; i < 10; ++i)
151 #pragma omp parallel for reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
152 for (int i = 0; i < 10; ++i)
154 #pragma omp parallel for reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
155 for (int i = 0; i < 10; ++i)
157 #pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
158 for (int i = 0; i < 10; ++i)
160 #pragma omp parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
161 for (int i = 0; i < 10; ++i)
163 #pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
164 for (int i = 0; i < 10; ++i)
166 #pragma omp parallel for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
167 for (int i = 0; i < 10; ++i)
169 #pragma omp parallel for reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
170 for (int i = 0; i < 10; ++i)
172 #pragma omp parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
173 for (int i = 0; i < 10; ++i)
175 #pragma omp parallel private(k)
176 #pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
177 for (int i = 0; i < 10; ++i)
179 #pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
180 for (int i = 0; i < 10; ++i)
182 #pragma omp parallel for reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
183 for (int i = 0; i < 10; ++i)
185 #pragma omp parallel shared(i)
186 #pragma omp parallel reduction(min : i)
187 #pragma omp parallel for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
188 for (int i = 0; i < 10; ++i)
190 #pragma omp parallel private(fl)
191 #pragma omp parallel for reduction(+ : fl)
192 for (int i = 0; i < 10; ++i)
194 #pragma omp parallel reduction(* : fl)
195 #pragma omp parallel for reduction(+ : fl)
196 for (int i = 0; i < 10; ++i)
204 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
210 int main(int argc, char **argv) {
211 const int d = 5; // expected-note 2 {{'d' defined here}}
212 const int da[5] = {0}; // expected-note {{'da' defined here}}
217 int &j = i; // expected-note 2 {{'j' defined here}}
218 S3 &p = k; // expected-note 2 {{'p' defined here}}
219 const int &r = da[i]; // expected-note {{'r' defined here}}
220 int &q = qa[i]; // expected-note {{'q' defined here}}
222 #pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}
223 for (int i = 0; i < 10; ++i)
225 #pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
226 for (int i = 0; i < 10; ++i)
228 #pragma omp parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
229 for (int i = 0; i < 10; ++i)
231 #pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
232 for (int i = 0; i < 10; ++i)
234 #pragma omp parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
235 for (int i = 0; i < 10; ++i)
237 #pragma omp parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
238 for (int i = 0; i < 10; ++i)
240 #pragma omp parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
241 for (int i = 0; i < 10; ++i)
243 #pragma omp parallel for reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
244 for (int i = 0; i < 10; ++i)
246 #pragma omp parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
247 for (int i = 0; i < 10; ++i)
249 #pragma omp parallel for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
250 for (int i = 0; i < 10; ++i)
252 #pragma omp parallel for reduction(~ : argc) // expected-error {{expected unqualified-id}}
253 for (int i = 0; i < 10; ++i)
255 #pragma omp parallel for reduction(&& : argc)
256 for (int i = 0; i < 10; ++i)
258 #pragma omp parallel for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
259 for (int i = 0; i < 10; ++i)
261 #pragma omp parallel for 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'}}
262 for (int i = 0; i < 10; ++i)
264 #pragma omp parallel for 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}}
265 for (int i = 0; i < 10; ++i)
267 #pragma omp parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
268 for (int i = 0; i < 10; ++i)
270 #pragma omp parallel for reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
271 for (int i = 0; i < 10; ++i)
273 #pragma omp parallel for reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
274 for (int i = 0; i < 10; ++i)
276 #pragma omp parallel for reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
277 for (int i = 0; i < 10; ++i)
279 #pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
280 for (int i = 0; i < 10; ++i)
282 #pragma omp parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
283 for (int i = 0; i < 10; ++i)
285 #pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
286 for (int i = 0; i < 10; ++i)
288 #pragma omp parallel for 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')}}
289 for (int i = 0; i < 10; ++i)
291 #pragma omp parallel for reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
292 for (int i = 0; i < 10; ++i)
294 #pragma omp parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}
295 for (int i = 0; i < 10; ++i)
297 #pragma omp parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
298 for (int i = 0; i < 10; ++i)
300 #pragma omp parallel private(k)
301 #pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
302 for (int i = 0; i < 10; ++i)
304 #pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
305 for (int i = 0; i < 10; ++i)
307 #pragma omp parallel for reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
308 for (int i = 0; i < 10; ++i)
310 #pragma omp parallel shared(i)
311 #pragma omp parallel reduction(min : i)
312 #pragma omp parallel for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
313 for (int i = 0; i < 10; ++i)
315 #pragma omp parallel private(fl)
316 #pragma omp parallel for reduction(+ : fl)
317 for (int i = 0; i < 10; ++i)
319 #pragma omp parallel reduction(* : fl)
320 #pragma omp parallel for reduction(+ : fl)
321 for (int i = 0; i < 10; ++i)
324 #pragma omp parallel for reduction(+ : m) // OK
325 for (int i = 0; i < 10; ++i)
328 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}}