1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s -Wuninitialized 2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 4 5 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized 6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 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 parallel sections reduction(+:ref) 19 { 20 foo(); 21 } 22 } 23 24 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}} 25 extern S1 a; 26 class S2 { 27 mutable int a; 28 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}} 29 30 public: 31 S2() : a(0) {} 32 S2(S2 &s2) : a(s2.a) {} 33 static float S2s; // expected-note 2 {{static data member is predetermined as shared}} 34 static const float S2sc; // expected-note 2 {{'S2sc' declared here}} 35 }; 36 const float S2::S2sc = 0; 37 S2 b; // expected-note 3 {{'b' defined here}} 38 const S2 ba[5]; // expected-note 2 {{'ba' defined here}} 39 class S3 { 40 int a; 41 42 public: 43 int b; 44 S3() : a(0) {} 45 S3(const S3 &s3) : a(s3.a) {} 46 S3 operator+(const S3 &arg1) { return arg1; } 47 }; 48 int operator+(const S3 &arg1, const S3 &arg2) { return 5; } 49 S3 c; // expected-note 3 {{'c' defined here}} 50 const S3 ca[5]; // expected-note 2 {{'ca' defined here}} 51 extern const int f; // expected-note 4 {{'f' declared here}} 52 class S4 { 53 int a; 54 S4(); // expected-note {{implicitly declared private here}} 55 S4(const S4 &s4); 56 S4 &operator+(const S4 &arg) { return (*this); } 57 58 public: 59 S4(int v) : a(v) {} 60 }; 61 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; } 62 class S5 { 63 int a; 64 S5() : a(0) {} // expected-note {{implicitly declared private here}} 65 S5(const S5 &s5) : a(s5.a) {} 66 S5 &operator+(const S5 &arg); 67 68 public: 69 S5(int v) : a(v) {} 70 }; 71 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}} 72 #if __cplusplus >= 201103L // C++11 or later 73 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}} 74 #endif 75 int a; 76 77 public: 78 S6() : a(6) {} 79 operator int() { return 6; } 80 } o; 81 82 S3 h, k; 83 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}} 84 85 template <class T> // expected-note {{declared here}} 86 T tmain(T argc) { 87 const T d = T(); // expected-note 4 {{'d' defined here}} 88 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}} 89 T qa[5] = {T()}; 90 T i, z; 91 T &j = i; // expected-note 4 {{'j' defined here}} 92 S3 &p = k; // expected-note 2 {{'p' defined here}} 93 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}} 94 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}} 95 T fl; 96 #pragma omp parallel sections reduction // expected-error {{expected '(' after 'reduction'}} 97 { 98 foo(); 99 } 100 #pragma omp parallel sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 101 { 102 foo(); 103 } 104 #pragma omp parallel sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 105 { 106 foo(); 107 } 108 #pragma omp parallel sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 109 { 110 foo(); 111 } 112 #pragma omp parallel sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 113 { 114 foo(); 115 } 116 #pragma omp parallel sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 117 { 118 foo(); 119 } 120 #pragma omp parallel sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 121 { 122 foo(); 123 } 124 #pragma omp parallel sections reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 125 { 126 foo(); 127 } 128 #pragma omp parallel sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 129 { 130 foo(); 131 } 132 #pragma omp parallel sections reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}} 133 { 134 foo(); 135 } 136 #pragma omp parallel sections 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'}} 137 { 138 foo(); 139 } 140 #pragma omp parallel sections 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 '('}} 141 { 142 foo(); 143 } 144 #pragma omp parallel sections reduction(^ : T) // expected-error {{'T' does not refer to a value}} 145 { 146 foo(); 147 } 148 #pragma omp parallel sections 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'}} 149 { 150 foo(); 151 } 152 #pragma omp parallel sections 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 { 154 foo(); 155 } 156 #pragma omp parallel sections reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 157 { 158 foo(); 159 } 160 #pragma omp parallel sections reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 161 { 162 foo(); 163 } 164 #pragma omp parallel sections reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 165 { 166 foo(); 167 } 168 #pragma omp parallel sections reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}} 169 { 170 foo(); 171 } 172 #pragma omp parallel sections reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 173 { 174 foo(); 175 } 176 #pragma omp parallel sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 177 { 178 foo(); 179 } 180 #pragma omp parallel sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 181 { 182 foo(); 183 } 184 #pragma omp parallel sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} 185 { 186 foo(); 187 } 188 #pragma omp parallel sections reduction(+ : o) // expected-error 2 {{no viable overloaded '='}} 189 { 190 foo(); 191 } 192 #pragma omp parallel sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 193 { 194 foo(); 195 } 196 #pragma omp parallel private(k) 197 #pragma omp parallel sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 198 { 199 foo(); 200 } 201 #pragma omp parallel sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}} 202 { 203 foo(); 204 } 205 #pragma omp parallel sections reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}} 206 { 207 foo(); 208 } 209 #pragma omp parallel shared(i) 210 #pragma omp parallel reduction(min : i) 211 #pragma omp parallel sections reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 212 { 213 foo(); 214 } 215 #pragma omp parallel private(fl) 216 #pragma omp parallel sections reduction(+ : fl) 217 { 218 foo(); 219 } 220 #pragma omp parallel reduction(* : fl) 221 #pragma omp parallel sections reduction(+ : fl) 222 { 223 foo(); 224 } 225 226 return T(); 227 } 228 229 namespace A { 230 double x; 231 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}} 232 } 233 namespace B { 234 using A::x; 235 } 236 237 int main(int argc, char **argv) { 238 const int d = 5; // expected-note 2 {{'d' defined here}} 239 const int da[5] = {0}; // expected-note {{'da' defined here}} 240 int qa[5] = {0}; 241 S4 e(4); 242 S5 g(5); 243 int i, z; 244 int &j = i; // expected-note 2 {{'j' defined here}} 245 S3 &p = k; // expected-note 2 {{'p' defined here}} 246 const int &r = da[i]; // expected-note {{'r' defined here}} 247 int &q = qa[i]; // expected-note {{'q' defined here}} 248 float fl; 249 #pragma omp parallel sections reduction // expected-error {{expected '(' after 'reduction'}} 250 { 251 foo(); 252 } 253 #pragma omp parallel sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 254 { 255 foo(); 256 } 257 #pragma omp parallel sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 258 { 259 foo(); 260 } 261 #pragma omp parallel sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 262 { 263 foo(); 264 } 265 #pragma omp parallel sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 266 { 267 foo(); 268 } 269 #pragma omp parallel sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 270 { 271 foo(); 272 } 273 #pragma omp parallel sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 274 { 275 foo(); 276 } 277 #pragma omp parallel sections reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} 278 { 279 foo(); 280 } 281 #pragma omp parallel sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 282 { 283 foo(); 284 } 285 #pragma omp parallel sections reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}} 286 { 287 foo(); 288 } 289 #pragma omp parallel sections reduction(~ : argc) // expected-error {{expected unqualified-id}} 290 { 291 foo(); 292 } 293 #pragma omp parallel sections reduction(&& : argc) 294 { 295 foo(); 296 } 297 #pragma omp parallel sections reduction(^ : S1) // expected-error {{'S1' does not refer to a value}} 298 { 299 foo(); 300 } 301 #pragma omp parallel sections 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'}} 302 { 303 foo(); 304 } 305 #pragma omp parallel sections 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}} 306 { 307 foo(); 308 } 309 #pragma omp parallel sections reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 310 { 311 foo(); 312 } 313 #pragma omp parallel sections reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 314 { 315 foo(); 316 } 317 #pragma omp parallel sections reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 318 { 319 foo(); 320 } 321 #pragma omp parallel sections reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} 322 { 323 foo(); 324 } 325 #pragma omp parallel sections reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 326 { 327 foo(); 328 } 329 #pragma omp parallel sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 330 { 331 foo(); 332 } 333 #pragma omp parallel sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 334 { 335 foo(); 336 } 337 #pragma omp parallel sections 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')}} 338 { 339 foo(); 340 } 341 #pragma omp parallel sections reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} 342 { 343 foo(); 344 } 345 #pragma omp parallel sections reduction(+ : o, z) // expected-error {{no viable overloaded '='}} 346 { 347 foo(); 348 } 349 #pragma omp parallel sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 350 { 351 foo(); 352 } 353 #pragma omp parallel private(k) 354 #pragma omp parallel sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 355 { 356 foo(); 357 } 358 #pragma omp parallel sections reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}} 359 { 360 foo(); 361 } 362 #pragma omp parallel sections reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}} 363 { 364 foo(); 365 } 366 #pragma omp parallel shared(i) 367 #pragma omp parallel reduction(min : i) 368 #pragma omp parallel sections reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 369 { 370 foo(); 371 } 372 #pragma omp parallel private(fl) 373 #pragma omp parallel sections reduction(+ : fl) 374 { 375 foo(); 376 } 377 #pragma omp parallel reduction(* : fl) 378 #pragma omp parallel sections reduction(+ : fl) 379 { 380 foo(); 381 } 382 static int m; 383 #pragma omp parallel sections reduction(+ : m) // OK 384 { 385 foo(); 386 } 387 388 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}} 389 } 390