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 void foo() { 6 } 7 8 bool foobool(int argc) { 9 return argc; 10 } 11 12 void foobar(int &ref) { 13 #pragma omp taskloop reduction(+:ref) 14 for (int i = 0; i < 10; ++i) 15 foo(); 16 } 17 18 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}} 19 extern S1 a; 20 class S2 { 21 mutable int a; 22 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}} 23 24 public: 25 S2() : a(0) {} 26 S2(S2 &s2) : a(s2.a) {} 27 static float S2s; // expected-note 2 {{static data member is predetermined as shared}} 28 static const float S2sc; 29 }; 30 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}} 31 S2 b; // expected-note 3 {{'b' defined here}} 32 const S2 ba[5]; // expected-note 2 {{'ba' defined here}} 33 class S3 { 34 int a; 35 36 public: 37 int b; 38 S3() : a(0) {} 39 S3(const S3 &s3) : a(s3.a) {} 40 S3 operator+(const S3 &arg1) { return arg1; } 41 }; 42 int operator+(const S3 &arg1, const S3 &arg2) { return 5; } 43 S3 c; // expected-note 3 {{'c' defined here}} 44 const S3 ca[5]; // expected-note 2 {{'ca' defined here}} 45 extern const int f; // expected-note 4 {{'f' declared here}} 46 class S4 { 47 int a; 48 S4(); // expected-note {{implicitly declared private here}} 49 S4(const S4 &s4); 50 S4 &operator+(const S4 &arg) { return (*this); } 51 52 public: 53 S4(int v) : a(v) {} 54 }; 55 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; } 56 class S5 { 57 int a:32; 58 S5() : a(0) {} // expected-note {{implicitly declared private here}} 59 S5(const S5 &s5) : a(s5.a) {} 60 S5 &operator+(const S5 &arg); 61 62 public: 63 S5(int v) : a(v) {} 64 }; 65 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}} 66 #if __cplusplus >= 201103L // C++11 or later 67 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}} 68 #endif 69 int a; 70 71 public: 72 S6() : a(6) {} 73 operator int() { return 6; } 74 } o; 75 76 struct S7 { 77 int a: 32; 78 S7() { 79 #pragma omp taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}} 80 for (int i = 0; i < 10; ++i) 81 ++a; 82 } 83 }; 84 85 S3 h, k; 86 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}} 87 88 template <class T> // expected-note {{declared here}} 89 T tmain(T argc) { 90 const T d = T(); // expected-note 4 {{'d' defined here}} 91 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}} 92 T qa[5] = {T()}; 93 T i; 94 T &j = i; // expected-note 4 {{'j' defined here}} 95 S3 &p = k; // expected-note 2 {{'p' defined here}} 96 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}} 97 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}} 98 T fl; 99 #pragma omp taskloop reduction // expected-error {{expected '(' after 'reduction'}} 100 for (int i = 0; i < 10; ++i) 101 foo(); 102 #pragma omp taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}} 103 for (int i = 0; i < 10; ++i) 104 foo(); 105 #pragma omp taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 106 for (int i = 0; i < 10; ++i) 107 foo(); 108 #pragma omp taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 109 for (int i = 0; i < 10; ++i) 110 foo(); 111 #pragma omp taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 112 for (int i = 0; i < 10; ++i) 113 foo(); 114 #pragma omp taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 115 for (int i = 0; i < 10; ++i) 116 foo(); 117 #pragma omp taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 118 for (int i = 0; i < 10; ++i) 119 foo(); 120 #pragma omp taskloop reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 121 for (int i = 0; i < 10; ++i) 122 foo(); 123 #pragma omp taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 124 for (int i = 0; i < 10; ++i) 125 foo(); 126 #pragma omp taskloop reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}} 127 for (int i = 0; i < 10; ++i) 128 foo(); 129 #pragma omp taskloop 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'}} 130 for (int i = 0; i < 10; ++i) 131 foo(); 132 #pragma omp taskloop reduction(&& : argc) 133 for (int i = 0; i < 10; ++i) 134 foo(); 135 #pragma omp taskloop reduction(^ : T) // expected-error {{'T' does not refer to a value}} 136 for (int i = 0; i < 10; ++i) 137 foo(); 138 #pragma omp taskloop 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'}} 139 for (int i = 0; i < 10; ++i) 140 foo(); 141 #pragma omp taskloop 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}} 142 for (int i = 0; i < 10; ++i) 143 foo(); 144 #pragma omp taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 145 for (int i = 0; i < 10; ++i) 146 foo(); 147 #pragma omp taskloop reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}} 148 for (int i = 0; i < 10; ++i) 149 foo(); 150 #pragma omp taskloop reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}} 151 for (int i = 0; i < 10; ++i) 152 foo(); 153 #pragma omp taskloop reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}} 154 for (int i = 0; i < 10; ++i) 155 foo(); 156 #pragma omp taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 157 for (int i = 0; i < 10; ++i) 158 foo(); 159 #pragma omp taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 160 for (int i = 0; i < 10; ++i) 161 foo(); 162 #pragma omp taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}} 163 for (int i = 0; i < 10; ++i) 164 foo(); 165 #pragma omp taskloop reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} 166 for (int i = 0; i < 10; ++i) 167 foo(); 168 #pragma omp taskloop reduction(+ : o) // expected-error 2 {{no viable overloaded '='}} 169 for (int i = 0; i < 10; ++i) 170 foo(); 171 #pragma omp taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 172 for (int i = 0; i < 10; ++i) 173 foo(); 174 #pragma omp parallel private(k) 175 #pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 176 for (int i = 0; i < 10; ++i) 177 foo(); 178 #pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}} 179 for (int i = 0; i < 10; ++i) 180 foo(); 181 #pragma omp taskloop reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}} 182 for (int i = 0; i < 10; ++i) 183 foo(); 184 #pragma omp parallel shared(i) 185 #pragma omp parallel reduction(min : i) 186 #pragma omp taskloop reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 187 for (int i = 0; i < 10; ++i) 188 foo(); 189 #pragma omp parallel private(fl) 190 #pragma omp taskloop reduction(+ : fl) 191 for (int i = 0; i < 10; ++i) 192 foo(); 193 #pragma omp parallel reduction(* : fl) 194 #pragma omp taskloop reduction(+ : fl) 195 for (int i = 0; i < 10; ++i) 196 foo(); 197 198 return T(); 199 } 200 201 namespace A { 202 double x; 203 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}} 204 } 205 namespace B { 206 using A::x; 207 } 208 209 int main(int argc, char **argv) { 210 const int d = 5; // expected-note 2 {{'d' defined here}} 211 const int da[5] = {0}; // expected-note {{'da' defined here}} 212 int qa[5] = {0}; 213 S4 e(4); 214 S5 g(5); 215 int i; 216 int &j = i; // expected-note 2 {{'j' defined here}} 217 S3 &p = k; // expected-note 2 {{'p' defined here}} 218 const int &r = da[i]; // expected-note {{'r' defined here}} 219 int &q = qa[i]; // expected-note {{'q' defined here}} 220 float fl; 221 #pragma omp taskloop reduction // expected-error {{expected '(' after 'reduction'}} 222 for (int i = 0; i < 10; ++i) 223 foo(); 224 #pragma omp taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}} 225 for (int i = 0; i < 10; ++i) 226 foo(); 227 #pragma omp taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 228 for (int i = 0; i < 10; ++i) 229 foo(); 230 #pragma omp taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 231 for (int i = 0; i < 10; ++i) 232 foo(); 233 #pragma omp taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 234 for (int i = 0; i < 10; ++i) 235 foo(); 236 #pragma omp taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 237 for (int i = 0; i < 10; ++i) 238 foo(); 239 #pragma omp taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 240 for (int i = 0; i < 10; ++i) 241 foo(); 242 #pragma omp taskloop reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} 243 for (int i = 0; i < 10; ++i) 244 foo(); 245 #pragma omp taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 246 for (int i = 0; i < 10; ++i) 247 foo(); 248 #pragma omp taskloop reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}} 249 for (int i = 0; i < 10; ++i) 250 foo(); 251 #pragma omp taskloop reduction(~ : argc) // expected-error {{expected unqualified-id}} 252 for (int i = 0; i < 10; ++i) 253 foo(); 254 #pragma omp taskloop reduction(&& : argc) 255 for (int i = 0; i < 10; ++i) 256 foo(); 257 #pragma omp taskloop reduction(^ : S1) // expected-error {{'S1' does not refer to a value}} 258 for (int i = 0; i < 10; ++i) 259 foo(); 260 #pragma omp taskloop 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'}} 261 for (int i = 0; i < 10; ++i) 262 foo(); 263 #pragma omp taskloop 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}} 264 for (int i = 0; i < 10; ++i) 265 foo(); 266 #pragma omp taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 267 for (int i = 0; i < 10; ++i) 268 foo(); 269 #pragma omp taskloop reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}} 270 for (int i = 0; i < 10; ++i) 271 foo(); 272 #pragma omp taskloop reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}} 273 for (int i = 0; i < 10; ++i) 274 foo(); 275 #pragma omp taskloop reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} 276 for (int i = 0; i < 10; ++i) 277 foo(); 278 #pragma omp taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 279 for (int i = 0; i < 10; ++i) 280 foo(); 281 #pragma omp taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 282 for (int i = 0; i < 10; ++i) 283 foo(); 284 #pragma omp taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}} 285 for (int i = 0; i < 10; ++i) 286 foo(); 287 #pragma omp taskloop 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')}} 288 for (int i = 0; i < 10; ++i) 289 foo(); 290 #pragma omp taskloop reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} 291 for (int i = 0; i < 10; ++i) 292 foo(); 293 #pragma omp taskloop reduction(+ : o) // expected-error {{no viable overloaded '='}} 294 for (int i = 0; i < 10; ++i) 295 foo(); 296 #pragma omp taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 297 for (int i = 0; i < 10; ++i) 298 foo(); 299 #pragma omp parallel private(k) 300 #pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 301 for (int i = 0; i < 10; ++i) 302 foo(); 303 #pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}} 304 for (int i = 0; i < 10; ++i) 305 foo(); 306 #pragma omp taskloop reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}} 307 for (int i = 0; i < 10; ++i) 308 foo(); 309 #pragma omp parallel shared(i) 310 #pragma omp parallel reduction(min : i) 311 #pragma omp taskloop reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 312 for (int i = 0; i < 10; ++i) 313 foo(); 314 #pragma omp parallel private(fl) 315 #pragma omp taskloop reduction(+ : fl) 316 for (int i = 0; i < 10; ++i) 317 foo(); 318 #pragma omp parallel reduction(* : fl) 319 #pragma omp taskloop reduction(+ : fl) 320 for (int i = 0; i < 10; ++i) 321 foo(); 322 static int m; 323 #pragma omp taskloop reduction(+ : m) // OK 324 for (int i = 0; i < 10; ++i) 325 m++; 326 #pragma omp taskloop nogroup reduction(+ : m) // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}} 327 for (int i = 0; i < 10; ++i) 328 m++; 329 330 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}} 331 } 332