1 // RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s 2 3 class S { 4 int a; 5 S() : a(0) {} 6 7 public: 8 S(int v) : a(v) {} 9 S(const S &s) : a(s.a) {} 10 }; 11 12 static int sii; 13 #pragma omp threadprivate(sii) 14 static int globalii; 15 16 int test_iteration_spaces() { 17 const int N = 100; 18 float a[N], b[N], c[N]; 19 int ii, jj, kk; 20 float fii; 21 double dii; 22 #pragma omp parallel for 23 for (int i = 0; i < 10; i += 1) { 24 c[i] = a[i] + b[i]; 25 } 26 #pragma omp parallel for 27 for (char i = 0; i < 10; i++) { 28 c[i] = a[i] + b[i]; 29 } 30 #pragma omp parallel for 31 for (char i = 0; i < 10; i += '\1') { 32 c[i] = a[i] + b[i]; 33 } 34 #pragma omp parallel for 35 for (long long i = 0; i < 10; i++) { 36 c[i] = a[i] + b[i]; 37 } 38 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} 39 #pragma omp parallel for 40 for (long long i = 0; i < 10; i += 1.5) { 41 c[i] = a[i] + b[i]; 42 } 43 #pragma omp parallel for 44 for (long long i = 0; i < 'z'; i += 1u) { 45 c[i] = a[i] + b[i]; 46 } 47 // expected-error@+2 {{variable must be of integer or random access iterator type}} 48 #pragma omp parallel for 49 for (float fi = 0; fi < 10.0; fi++) { 50 c[(int)fi] = a[(int)fi] + b[(int)fi]; 51 } 52 // expected-error@+2 {{variable must be of integer or random access iterator type}} 53 #pragma omp parallel for 54 for (double fi = 0; fi < 10.0; fi++) { 55 c[(int)fi] = a[(int)fi] + b[(int)fi]; 56 } 57 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 58 #pragma omp parallel for 59 for (int &ref = ii; ref < 10; ref++) { 60 } 61 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 62 #pragma omp parallel for 63 for (int i; i < 10; i++) 64 c[i] = a[i]; 65 66 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 67 #pragma omp parallel for 68 for (int i = 0, j = 0; i < 10; ++i) 69 c[i] = a[i]; 70 71 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 72 #pragma omp parallel for 73 for (; ii < 10; ++ii) 74 c[ii] = a[ii]; 75 76 // expected-warning@+3 {{expression result unused}} 77 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 78 #pragma omp parallel for 79 for (ii + 1; ii < 10; ++ii) 80 c[ii] = a[ii]; 81 82 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 83 #pragma omp parallel for 84 for (c[ii] = 0; ii < 10; ++ii) 85 c[ii] = a[ii]; 86 87 // Ok to skip parenthesises. 88 #pragma omp parallel for 89 for (((ii)) = 0; ii < 10; ++ii) 90 c[ii] = a[ii]; 91 92 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 93 #pragma omp parallel for 94 for (int i = 0; i; i++) 95 c[i] = a[i]; 96 97 // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 98 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} 99 #pragma omp parallel for 100 for (int i = 0; jj < kk; ii++) 101 c[i] = a[i]; 102 103 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 104 #pragma omp parallel for 105 for (int i = 0; !!i; i++) 106 c[i] = a[i]; 107 108 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 109 #pragma omp parallel for 110 for (int i = 0; i != 1; i++) 111 c[i] = a[i]; 112 113 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 114 #pragma omp parallel for 115 for (int i = 0;; i++) 116 c[i] = a[i]; 117 118 // Ok. 119 #pragma omp parallel for 120 for (int i = 11; i > 10; i--) 121 c[i] = a[i]; 122 123 // Ok. 124 #pragma omp parallel for 125 for (int i = 0; i < 10; ++i) 126 c[i] = a[i]; 127 128 // Ok. 129 #pragma omp parallel for 130 for (ii = 0; ii < 10; ++ii) 131 c[ii] = a[ii]; 132 133 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 134 #pragma omp parallel for 135 for (ii = 0; ii < 10; ++jj) 136 c[ii] = a[jj]; 137 138 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 139 #pragma omp parallel for 140 for (ii = 0; ii < 10; ++++ii) 141 c[ii] = a[ii]; 142 143 // Ok but undefined behavior (in general, cannot check that incr 144 // is really loop-invariant). 145 #pragma omp parallel for 146 for (ii = 0; ii < 10; ii = ii + ii) 147 c[ii] = a[ii]; 148 149 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} 150 #pragma omp parallel for 151 for (ii = 0; ii < 10; ii = ii + 1.0f) 152 c[ii] = a[ii]; 153 154 // Ok - step was converted to integer type. 155 #pragma omp parallel for 156 for (ii = 0; ii < 10; ii = ii + (int)1.1f) 157 c[ii] = a[ii]; 158 159 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 160 #pragma omp parallel for 161 for (ii = 0; ii < 10; jj = ii + 2) 162 c[ii] = a[ii]; 163 164 // expected-warning@+3 {{relational comparison result unused}} 165 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 166 #pragma omp parallel for 167 for (ii = 0; ii<10; jj> kk + 2) 168 c[ii] = a[ii]; 169 170 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 171 #pragma omp parallel for 172 for (ii = 0; ii < 10;) 173 c[ii] = a[ii]; 174 175 // expected-warning@+3 {{expression result unused}} 176 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 177 #pragma omp parallel for 178 for (ii = 0; ii < 10; !ii) 179 c[ii] = a[ii]; 180 181 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 182 #pragma omp parallel for 183 for (ii = 0; ii < 10; ii ? ++ii : ++jj) 184 c[ii] = a[ii]; 185 186 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 187 #pragma omp parallel for 188 for (ii = 0; ii < 10; ii = ii < 10) 189 c[ii] = a[ii]; 190 191 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 192 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 193 #pragma omp parallel for 194 for (ii = 0; ii < 10; ii = ii + 0) 195 c[ii] = a[ii]; 196 197 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 198 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 199 #pragma omp parallel for 200 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) 201 c[ii] = a[ii]; 202 203 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 204 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 205 #pragma omp parallel for 206 for (ii = 0; (ii) < 10; ii -= 25) 207 c[ii] = a[ii]; 208 209 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 210 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 211 #pragma omp parallel for 212 for (ii = 0; (ii < 10); ii -= 0) 213 c[ii] = a[ii]; 214 215 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 216 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 217 #pragma omp parallel for 218 for (ii = 0; ii > 10; (ii += 0)) 219 c[ii] = a[ii]; 220 221 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 222 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 223 #pragma omp parallel for 224 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii)) 225 c[ii] = a[ii]; 226 227 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 228 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 229 #pragma omp parallel for 230 for ((ii = 0); ii > 10; (ii -= 0)) 231 c[ii] = a[ii]; 232 233 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 234 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 235 #pragma omp parallel for 236 for (ii = 0; (ii < 10); (ii -= 0)) 237 c[ii] = a[ii]; 238 239 // expected-note@+2 {{defined as firstprivate}} 240 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}} 241 #pragma omp parallel for firstprivate(ii) 242 for (ii = 0; ii < 10; ii++) 243 c[ii] = a[ii]; 244 245 // expected-note@+2 {{defined as linear}} 246 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be linear, predetermined as private}} 247 #pragma omp parallel for linear(ii) 248 for (ii = 0; ii < 10; ii++) 249 c[ii] = a[ii]; 250 251 #pragma omp parallel for private(ii) 252 for (ii = 0; ii < 10; ii++) 253 c[ii] = a[ii]; 254 255 #pragma omp parallel for lastprivate(ii) 256 for (ii = 0; ii < 10; ii++) 257 c[ii] = a[ii]; 258 259 { 260 #pragma omp parallel for 261 for (sii = 0; sii < 10; sii += 1) 262 c[sii] = a[sii]; 263 } 264 265 { 266 #pragma omp parallel for 267 for (globalii = 0; globalii < 10; globalii += 1) 268 c[globalii] = a[globalii]; 269 } 270 271 { 272 #pragma omp parallel for collapse(2) 273 for (ii = 0; ii < 10; ii += 1) 274 for (globalii = 0; globalii < 10; globalii += 1) 275 c[globalii] += a[globalii] + ii; 276 } 277 278 // expected-error@+2 {{statement after '#pragma omp parallel for' must be a for loop}} 279 #pragma omp parallel for 280 for (auto &item : a) { 281 item = item + 1; 282 } 283 284 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 285 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 286 #pragma omp parallel for 287 for (unsigned i = 9; i < 10; i--) { 288 c[i] = a[i] + b[i]; 289 } 290 291 int(*lb)[4] = nullptr; 292 #pragma omp parallel for 293 for (int(*p)[4] = lb; p < lb + 8; ++p) { 294 } 295 296 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 297 #pragma omp parallel for 298 for (int a{0}; a < 10; ++a) { 299 } 300 301 return 0; 302 } 303 304 // Iterators allowed in openmp for-loops. 305 namespace std { 306 struct random_access_iterator_tag {}; 307 template <class Iter> 308 struct iterator_traits { 309 typedef typename Iter::difference_type difference_type; 310 typedef typename Iter::iterator_category iterator_category; 311 }; 312 template <class Iter> 313 typename iterator_traits<Iter>::difference_type 314 distance(Iter first, Iter last) { return first - last; } 315 } 316 class Iter0 { 317 public: 318 Iter0() {} 319 Iter0(const Iter0 &) {} 320 Iter0 operator++() { return *this; } 321 Iter0 operator--() { return *this; } 322 bool operator<(Iter0 a) { return true; } 323 }; 324 // expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}} 325 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}} 326 int operator-(Iter0 a, Iter0 b) { return 0; } 327 class Iter1 { 328 public: 329 Iter1(float f = 0.0f, double d = 0.0) {} 330 Iter1(const Iter1 &) {} 331 Iter1 operator++() { return *this; } 332 Iter1 operator--() { return *this; } 333 bool operator<(Iter1 a) { return true; } 334 bool operator>=(Iter1 a) { return false; } 335 }; 336 class GoodIter { 337 public: 338 GoodIter() {} 339 GoodIter(const GoodIter &) {} 340 GoodIter(int fst, int snd) {} 341 GoodIter &operator=(const GoodIter &that) { return *this; } 342 GoodIter &operator=(const Iter0 &that) { return *this; } 343 GoodIter &operator+=(int x) { return *this; } 344 GoodIter &operator-=(int x) { return *this; } 345 explicit GoodIter(void *) {} 346 GoodIter operator++() { return *this; } 347 GoodIter operator--() { return *this; } 348 bool operator!() { return true; } 349 bool operator<(GoodIter a) { return true; } 350 bool operator<=(GoodIter a) { return true; } 351 bool operator>=(GoodIter a) { return false; } 352 typedef int difference_type; 353 typedef std::random_access_iterator_tag iterator_category; 354 }; 355 // expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 2nd argument}} 356 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 357 int operator-(GoodIter a, GoodIter b) { return 0; } 358 // expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}} 359 GoodIter operator-(GoodIter a) { return a; } 360 // expected-note@+2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 2nd argument}} 361 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 362 GoodIter operator-(GoodIter a, int v) { return GoodIter(); } 363 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}} 364 GoodIter operator+(GoodIter a, int v) { return GoodIter(); } 365 // expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}} 366 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}} 367 GoodIter operator-(int v, GoodIter a) { return GoodIter(); } 368 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}} 369 GoodIter operator+(int v, GoodIter a) { return GoodIter(); } 370 371 int test_with_random_access_iterator() { 372 GoodIter begin, end; 373 Iter0 begin0, end0; 374 #pragma omp parallel for 375 for (GoodIter I = begin; I < end; ++I) 376 ++I; 377 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 378 #pragma omp parallel for 379 for (GoodIter &I = begin; I < end; ++I) 380 ++I; 381 #pragma omp parallel for 382 for (GoodIter I = begin; I >= end; --I) 383 ++I; 384 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 385 #pragma omp parallel for 386 for (GoodIter I(begin); I < end; ++I) 387 ++I; 388 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 389 #pragma omp parallel for 390 for (GoodIter I(nullptr); I < end; ++I) 391 ++I; 392 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 393 #pragma omp parallel for 394 for (GoodIter I(0); I < end; ++I) 395 ++I; 396 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 397 #pragma omp parallel for 398 for (GoodIter I(1, 2); I < end; ++I) 399 ++I; 400 #pragma omp parallel for 401 for (begin = GoodIter(0); begin < end; ++begin) 402 ++begin; 403 // expected-error@+3 {{invalid operands to binary expression ('GoodIter' and 'Iter0')}} 404 // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 405 #pragma omp parallel for 406 for (begin = begin0; begin < end; ++begin) 407 ++begin; 408 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 409 #pragma omp parallel for 410 for (++begin; begin < end; ++begin) 411 ++begin; 412 #pragma omp parallel for 413 for (begin = end; begin < end; ++begin) 414 ++begin; 415 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 416 #pragma omp parallel for 417 for (GoodIter I = begin; I - I; ++I) 418 ++I; 419 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 420 #pragma omp parallel for 421 for (GoodIter I = begin; begin < end; ++I) 422 ++I; 423 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 424 #pragma omp parallel for 425 for (GoodIter I = begin; !I; ++I) 426 ++I; 427 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 428 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 429 #pragma omp parallel for 430 for (GoodIter I = begin; I >= end; I = I + 1) 431 ++I; 432 #pragma omp parallel for 433 for (GoodIter I = begin; I >= end; I = I - 1) 434 ++I; 435 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 436 #pragma omp parallel for 437 for (GoodIter I = begin; I >= end; I = -I) 438 ++I; 439 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 440 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 441 #pragma omp parallel for 442 for (GoodIter I = begin; I >= end; I = 2 + I) 443 ++I; 444 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 445 #pragma omp parallel for 446 for (GoodIter I = begin; I >= end; I = 2 - I) 447 ++I; 448 // expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}} 449 #pragma omp parallel for 450 for (Iter0 I = begin0; I < end0; ++I) 451 ++I; 452 // Initializer is constructor without params. 453 // expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}} 454 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 455 #pragma omp parallel for 456 for (Iter0 I; I < end0; ++I) 457 ++I; 458 Iter1 begin1, end1; 459 // expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} 460 // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 461 #pragma omp parallel for 462 for (Iter1 I = begin1; I < end1; ++I) 463 ++I; 464 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 465 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 466 #pragma omp parallel for 467 for (Iter1 I = begin1; I >= end1; ++I) 468 ++I; 469 // expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}} 470 // expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 471 // Initializer is constructor with all default params. 472 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 473 #pragma omp parallel for 474 for (Iter1 I; I < end1; ++I) { 475 } 476 return 0; 477 } 478 479 template <typename IT, int ST> 480 class TC { 481 public: 482 int dotest_lt(IT begin, IT end) { 483 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 484 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 485 #pragma omp parallel for 486 for (IT I = begin; I < end; I = I + ST) { 487 ++I; 488 } 489 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 490 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 491 #pragma omp parallel for 492 for (IT I = begin; I <= end; I += ST) { 493 ++I; 494 } 495 #pragma omp parallel for 496 for (IT I = begin; I < end; ++I) { 497 ++I; 498 } 499 } 500 501 static IT step() { 502 return IT(ST); 503 } 504 }; 505 template <typename IT, int ST = 0> 506 int dotest_gt(IT begin, IT end) { 507 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 508 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 509 #pragma omp parallel for 510 for (IT I = begin; I >= end; I = I + ST) { 511 ++I; 512 } 513 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 514 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 515 #pragma omp parallel for 516 for (IT I = begin; I >= end; I += ST) { 517 ++I; 518 } 519 520 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 521 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 522 #pragma omp parallel for 523 for (IT I = begin; I >= end; ++I) { 524 ++I; 525 } 526 527 #pragma omp parallel for 528 for (IT I = begin; I < end; I += TC<int, ST>::step()) { 529 ++I; 530 } 531 } 532 533 void test_with_template() { 534 GoodIter begin, end; 535 TC<GoodIter, 100> t1; 536 TC<GoodIter, -100> t2; 537 t1.dotest_lt(begin, end); 538 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 539 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 540 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 541 } 542 543 void test_loop_break() { 544 const int N = 100; 545 float a[N], b[N], c[N]; 546 #pragma omp parallel for 547 for (int i = 0; i < 10; i++) { 548 c[i] = a[i] + b[i]; 549 for (int j = 0; j < 10; ++j) { 550 if (a[i] > b[j]) 551 break; // OK in nested loop 552 } 553 switch (i) { 554 case 1: 555 b[i]++; 556 break; 557 default: 558 break; 559 } 560 if (c[i] > 10) 561 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 562 563 if (c[i] > 11) 564 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 565 } 566 567 #pragma omp parallel for 568 for (int i = 0; i < 10; i++) { 569 for (int j = 0; j < 10; j++) { 570 c[i] = a[i] + b[i]; 571 if (c[i] > 10) { 572 if (c[i] < 20) { 573 break; // OK 574 } 575 } 576 } 577 } 578 } 579 580 void test_loop_eh() { 581 const int N = 100; 582 float a[N], b[N], c[N]; 583 #pragma omp parallel for 584 for (int i = 0; i < 10; i++) { 585 c[i] = a[i] + b[i]; 586 try { 587 for (int j = 0; j < 10; ++j) { 588 if (a[i] > b[j]) 589 throw a[i]; 590 } 591 throw a[i]; 592 } catch (float f) { 593 if (f > 0.1) 594 throw a[i]; 595 return; // expected-error {{cannot return from OpenMP region}} 596 } 597 switch (i) { 598 case 1: 599 b[i]++; 600 break; 601 default: 602 break; 603 } 604 for (int j = 0; j < 10; j++) { 605 if (c[i] > 10) 606 throw c[i]; 607 } 608 } 609 if (c[9] > 10) 610 throw c[9]; // OK 611 612 #pragma omp parallel for 613 for (int i = 0; i < 10; ++i) { 614 struct S { 615 void g() { throw 0; } 616 }; 617 } 618 } 619 620 void test_loop_firstprivate_lastprivate() { 621 S s(4); 622 #pragma omp parallel for lastprivate(s) firstprivate(s) 623 for (int i = 0; i < 16; ++i) 624 ; 625 } 626