1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -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) // expected-note {{defined as threadprivate or thread local}} 14 15 int test_iteration_spaces() { 16 const int N = 100; 17 float a[N], b[N], c[N]; 18 int ii, jj, kk; 19 float fii; 20 double dii; 21 #pragma omp parallel 22 #pragma omp for 23 for (int i = 0; i < 10; i += 1) { 24 c[i] = a[i] + b[i]; 25 } 26 #pragma omp parallel 27 #pragma omp for 28 for (char i = 0; i < 10; i++) { 29 c[i] = a[i] + b[i]; 30 } 31 #pragma omp parallel 32 #pragma omp for 33 for (char i = 0; i < 10; i += '\1') { 34 c[i] = a[i] + b[i]; 35 } 36 #pragma omp parallel 37 #pragma omp for 38 for (long long i = 0; i < 10; i++) { 39 c[i] = a[i] + b[i]; 40 } 41 #pragma omp parallel 42 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} 43 #pragma omp for 44 for (long long i = 0; i < 10; i += 1.5) { 45 c[i] = a[i] + b[i]; 46 } 47 #pragma omp parallel 48 #pragma omp for 49 for (long long i = 0; i < 'z'; i += 1u) { 50 c[i] = a[i] + b[i]; 51 } 52 #pragma omp parallel 53 // expected-error@+2 {{variable must be of integer or random access iterator type}} 54 #pragma omp for 55 for (float fi = 0; fi < 10.0; fi++) { 56 c[(int)fi] = a[(int)fi] + b[(int)fi]; 57 } 58 #pragma omp parallel 59 // expected-error@+2 {{variable must be of integer or random access iterator type}} 60 #pragma omp for 61 for (double fi = 0; fi < 10.0; fi++) { 62 c[(int)fi] = a[(int)fi] + b[(int)fi]; 63 } 64 #pragma omp parallel 65 // expected-error@+2 {{variable must be of integer or random access iterator type}} 66 #pragma omp for 67 for (int &ref = ii; ref < 10; ref++) { 68 } 69 #pragma omp parallel 70 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 71 #pragma omp for 72 for (int i; i < 10; i++) 73 c[i] = a[i]; 74 75 #pragma omp parallel 76 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 77 #pragma omp for 78 for (int i = 0, j = 0; i < 10; ++i) 79 c[i] = a[i]; 80 81 #pragma omp parallel 82 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 83 #pragma omp for 84 for (; ii < 10; ++ii) 85 c[ii] = a[ii]; 86 87 #pragma omp parallel 88 // expected-warning@+3 {{expression result unused}} 89 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 90 #pragma omp for 91 for (ii + 1; ii < 10; ++ii) 92 c[ii] = a[ii]; 93 94 #pragma omp parallel 95 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 96 #pragma omp for 97 for (c[ii] = 0; ii < 10; ++ii) 98 c[ii] = a[ii]; 99 100 #pragma omp parallel 101 // Ok to skip parenthesises. 102 #pragma omp for 103 for (((ii)) = 0; ii < 10; ++ii) 104 c[ii] = a[ii]; 105 106 #pragma omp parallel 107 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 108 #pragma omp for 109 for (int i = 0; i; i++) 110 c[i] = a[i]; 111 112 #pragma omp parallel 113 // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 114 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} 115 #pragma omp for 116 for (int i = 0; jj < kk; ii++) 117 c[i] = a[i]; 118 119 #pragma omp parallel 120 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 121 #pragma omp for 122 for (int i = 0; !!i; i++) 123 c[i] = a[i]; 124 125 #pragma omp parallel 126 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 127 #pragma omp for 128 for (int i = 0; i != 1; i++) 129 c[i] = a[i]; 130 131 #pragma omp parallel 132 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 133 #pragma omp for 134 for (int i = 0;; i++) 135 c[i] = a[i]; 136 137 #pragma omp parallel 138 // Ok. 139 #pragma omp for 140 for (int i = 11; i > 10; i--) 141 c[i] = a[i]; 142 143 #pragma omp parallel 144 // Ok. 145 #pragma omp for 146 for (int i = 0; i < 10; ++i) 147 c[i] = a[i]; 148 149 #pragma omp parallel 150 // Ok. 151 #pragma omp for 152 for (ii = 0; ii < 10; ++ii) 153 c[ii] = a[ii]; 154 155 #pragma omp parallel 156 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 157 #pragma omp for 158 for (ii = 0; ii < 10; ++jj) 159 c[ii] = a[jj]; 160 161 #pragma omp parallel 162 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 163 #pragma omp for 164 for (ii = 0; ii < 10; ++++ii) 165 c[ii] = a[ii]; 166 167 #pragma omp parallel 168 // Ok but undefined behavior (in general, cannot check that incr 169 // is really loop-invariant). 170 #pragma omp for 171 for (ii = 0; ii < 10; ii = ii + ii) 172 c[ii] = a[ii]; 173 174 #pragma omp parallel 175 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} 176 #pragma omp for 177 for (ii = 0; ii < 10; ii = ii + 1.0f) 178 c[ii] = a[ii]; 179 180 #pragma omp parallel 181 // Ok - step was converted to integer type. 182 #pragma omp for 183 for (ii = 0; ii < 10; ii = ii + (int)1.1f) 184 c[ii] = a[ii]; 185 186 #pragma omp parallel 187 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 188 #pragma omp for 189 for (ii = 0; ii < 10; jj = ii + 2) 190 c[ii] = a[ii]; 191 192 #pragma omp parallel 193 // expected-warning@+3 {{relational comparison result unused}} 194 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 195 #pragma omp for 196 for (ii = 0; ii<10; jj> kk + 2) 197 c[ii] = a[ii]; 198 199 #pragma omp parallel 200 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 201 #pragma omp for 202 for (ii = 0; ii < 10;) 203 c[ii] = a[ii]; 204 205 #pragma omp parallel 206 // expected-warning@+3 {{expression result unused}} 207 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 208 #pragma omp for 209 for (ii = 0; ii < 10; !ii) 210 c[ii] = a[ii]; 211 212 #pragma omp parallel 213 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 214 #pragma omp for 215 for (ii = 0; ii < 10; ii ? ++ii : ++jj) 216 c[ii] = a[ii]; 217 218 #pragma omp parallel 219 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 220 #pragma omp for 221 for (ii = 0; ii < 10; ii = ii < 10) 222 c[ii] = a[ii]; 223 224 #pragma omp parallel 225 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 226 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 227 #pragma omp for 228 for (ii = 0; ii < 10; ii = ii + 0) 229 c[ii] = a[ii]; 230 231 #pragma omp parallel 232 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 233 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 234 #pragma omp for 235 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) 236 c[ii] = a[ii]; 237 238 #pragma omp parallel 239 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 240 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 241 #pragma omp for 242 for (ii = 0; (ii) < 10; ii -= 25) 243 c[ii] = a[ii]; 244 245 #pragma omp parallel 246 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 247 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 248 #pragma omp for 249 for (ii = 0; (ii < 10); ii -= 0) 250 c[ii] = a[ii]; 251 252 #pragma omp parallel 253 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 254 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 255 #pragma omp for 256 for (ii = 0; ii > 10; (ii += 0)) 257 c[ii] = a[ii]; 258 259 #pragma omp parallel 260 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 261 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 262 #pragma omp for 263 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii)) 264 c[ii] = a[ii]; 265 266 #pragma omp parallel 267 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 268 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 269 #pragma omp for 270 for ((ii = 0); ii > 10; (ii -= 0)) 271 c[ii] = a[ii]; 272 273 #pragma omp parallel 274 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 275 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 276 #pragma omp for 277 for (ii = 0; (ii < 10); (ii -= 0)) 278 c[ii] = a[ii]; 279 280 #pragma omp parallel 281 // expected-note@+2 {{defined as firstprivate}} 282 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be firstprivate, predetermined as private}} 283 #pragma omp for firstprivate(ii) 284 for (ii = 0; ii < 10; ii++) 285 c[ii] = a[ii]; 286 287 #pragma omp parallel 288 // expected-error@+3 {{unexpected OpenMP clause 'linear' in directive '#pragma omp for'}} 289 // expected-note@+2 {{defined as linear}} 290 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be linear, predetermined as private}} 291 #pragma omp for linear(ii) 292 for (ii = 0; ii < 10; ii++) 293 c[ii] = a[ii]; 294 295 #pragma omp parallel 296 #pragma omp for private(ii) 297 for (ii = 0; ii < 10; ii++) 298 c[ii] = a[ii]; 299 300 #pragma omp parallel 301 #pragma omp for lastprivate(ii) 302 for (ii = 0; ii < 10; ii++) 303 c[ii] = a[ii]; 304 305 #pragma omp parallel 306 { 307 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for' directive may not be threadprivate or thread local, predetermined as private}} 308 #pragma omp for 309 for (sii = 0; sii < 10; sii += 1) 310 c[sii] = a[sii]; 311 } 312 313 #pragma omp parallel 314 // expected-error@+2 {{statement after '#pragma omp for' must be a for loop}} 315 #pragma omp for 316 for (auto &item : a) { 317 item = item + 1; 318 } 319 320 #pragma omp parallel 321 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 322 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 323 #pragma omp for 324 for (unsigned i = 9; i < 10; i--) { 325 c[i] = a[i] + b[i]; 326 } 327 328 int(*lb)[4] = nullptr; 329 #pragma omp parallel 330 #pragma omp for 331 for (int(*p)[4] = lb; p < lb + 8; ++p) { 332 } 333 334 #pragma omp parallel 335 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 336 #pragma omp for 337 for (int a{0}; a < 10; ++a) { 338 } 339 340 return 0; 341 } 342 343 // Iterators allowed in openmp for-loops. 344 namespace std { 345 struct random_access_iterator_tag {}; 346 template <class Iter> 347 struct iterator_traits { 348 typedef typename Iter::difference_type difference_type; 349 typedef typename Iter::iterator_category iterator_category; 350 }; 351 template <class Iter> 352 typename iterator_traits<Iter>::difference_type 353 distance(Iter first, Iter last) { return first - last; } 354 } 355 class Iter0 { 356 public: 357 Iter0() {} 358 Iter0(const Iter0 &) {} 359 Iter0 operator++() { return *this; } 360 Iter0 operator--() { return *this; } 361 bool operator<(Iter0 a) { return true; } 362 }; 363 int operator-(Iter0 a, Iter0 b) { return 0; } 364 class Iter1 { 365 public: 366 Iter1(float f = 0.0f, double d = 0.0) {} 367 Iter1(const Iter1 &) {} 368 Iter1 operator++() { return *this; } 369 Iter1 operator--() { return *this; } 370 bool operator<(Iter1 a) { return true; } 371 bool operator>=(Iter1 a) { return false; } 372 }; 373 class GoodIter { 374 public: 375 GoodIter() {} 376 GoodIter(const GoodIter &) {} 377 GoodIter(int fst, int snd) {} 378 GoodIter &operator=(const GoodIter &that) { return *this; } 379 GoodIter &operator=(const Iter0 &that) { return *this; } 380 GoodIter &operator+=(int x) { return *this; } 381 explicit GoodIter(void *) {} 382 GoodIter operator++() { return *this; } 383 GoodIter operator--() { return *this; } 384 bool operator!() { return true; } 385 bool operator<(GoodIter a) { return true; } 386 bool operator<=(GoodIter a) { return true; } 387 bool operator>=(GoodIter a) { return false; } 388 typedef int difference_type; 389 typedef std::random_access_iterator_tag iterator_category; 390 }; 391 int operator-(GoodIter a, GoodIter b) { return 0; } 392 GoodIter operator-(GoodIter a) { return a; } 393 GoodIter operator-(GoodIter a, int v) { return GoodIter(); } 394 GoodIter operator+(GoodIter a, int v) { return GoodIter(); } 395 GoodIter operator-(int v, GoodIter a) { return GoodIter(); } 396 GoodIter operator+(int v, GoodIter a) { return GoodIter(); } 397 398 int test_with_random_access_iterator() { 399 GoodIter begin, end; 400 Iter0 begin0, end0; 401 #pragma omp parallel 402 #pragma omp for 403 for (GoodIter I = begin; I < end; ++I) 404 ++I; 405 #pragma omp parallel 406 // expected-error@+2 {{variable must be of integer or random access iterator type}} 407 #pragma omp for 408 for (GoodIter &I = begin; I < end; ++I) 409 ++I; 410 #pragma omp parallel 411 #pragma omp for 412 for (GoodIter I = begin; I >= end; --I) 413 ++I; 414 #pragma omp parallel 415 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 416 #pragma omp for 417 for (GoodIter I(begin); I < end; ++I) 418 ++I; 419 #pragma omp parallel 420 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 421 #pragma omp for 422 for (GoodIter I(nullptr); I < end; ++I) 423 ++I; 424 #pragma omp parallel 425 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 426 #pragma omp for 427 for (GoodIter I(0); I < end; ++I) 428 ++I; 429 #pragma omp parallel 430 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 431 #pragma omp for 432 for (GoodIter I(1, 2); I < end; ++I) 433 ++I; 434 #pragma omp parallel 435 #pragma omp for 436 for (begin = GoodIter(0); begin < end; ++begin) 437 ++begin; 438 #pragma omp parallel 439 #pragma omp for 440 for (begin = begin0; begin < end; ++begin) 441 ++begin; 442 #pragma omp parallel 443 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 444 #pragma omp for 445 for (++begin; begin < end; ++begin) 446 ++begin; 447 #pragma omp parallel 448 #pragma omp for 449 for (begin = end; begin < end; ++begin) 450 ++begin; 451 #pragma omp parallel 452 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 453 #pragma omp for 454 for (GoodIter I = begin; I - I; ++I) 455 ++I; 456 #pragma omp parallel 457 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 458 #pragma omp for 459 for (GoodIter I = begin; begin < end; ++I) 460 ++I; 461 #pragma omp parallel 462 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 463 #pragma omp for 464 for (GoodIter I = begin; !I; ++I) 465 ++I; 466 #pragma omp parallel 467 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 468 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 469 #pragma omp for 470 for (GoodIter I = begin; I >= end; I = I + 1) 471 ++I; 472 #pragma omp parallel 473 #pragma omp for 474 for (GoodIter I = begin; I >= end; I = I - 1) 475 ++I; 476 #pragma omp parallel 477 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 478 #pragma omp for 479 for (GoodIter I = begin; I >= end; I = -I) 480 ++I; 481 #pragma omp parallel 482 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 483 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 484 #pragma omp for 485 for (GoodIter I = begin; I >= end; I = 2 + I) 486 ++I; 487 #pragma omp parallel 488 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 489 #pragma omp for 490 for (GoodIter I = begin; I >= end; I = 2 - I) 491 ++I; 492 #pragma omp parallel 493 #pragma omp for 494 for (Iter0 I = begin0; I < end0; ++I) 495 ++I; 496 #pragma omp parallel 497 // Initializer is constructor without params. 498 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 499 #pragma omp for 500 for (Iter0 I; I < end0; ++I) 501 ++I; 502 Iter1 begin1, end1; 503 #pragma omp parallel 504 #pragma omp for 505 for (Iter1 I = begin1; I < end1; ++I) 506 ++I; 507 #pragma omp parallel 508 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 509 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 510 #pragma omp for 511 for (Iter1 I = begin1; I >= end1; ++I) 512 ++I; 513 #pragma omp parallel 514 // Initializer is constructor with all default params. 515 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 516 #pragma omp for 517 for (Iter1 I; I < end1; ++I) { 518 } 519 return 0; 520 } 521 522 template <typename IT, int ST> 523 class TC { 524 public: 525 int dotest_lt(IT begin, IT end) { 526 #pragma omp parallel 527 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 528 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 529 #pragma omp for 530 for (IT I = begin; I < end; I = I + ST) { 531 ++I; 532 } 533 #pragma omp parallel 534 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 535 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 536 #pragma omp for 537 for (IT I = begin; I <= end; I += ST) { 538 ++I; 539 } 540 #pragma omp parallel 541 #pragma omp for 542 for (IT I = begin; I < end; ++I) { 543 ++I; 544 } 545 } 546 547 static IT step() { 548 return IT(ST); 549 } 550 }; 551 template <typename IT, int ST = 0> 552 int dotest_gt(IT begin, IT end) { 553 #pragma omp parallel 554 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 555 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 556 #pragma omp for 557 for (IT I = begin; I >= end; I = I + ST) { 558 ++I; 559 } 560 #pragma omp parallel 561 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 562 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 563 #pragma omp for 564 for (IT I = begin; I >= end; I += ST) { 565 ++I; 566 } 567 568 #pragma omp parallel 569 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 570 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 571 #pragma omp for 572 for (IT I = begin; I >= end; ++I) { 573 ++I; 574 } 575 576 #pragma omp parallel 577 #pragma omp for 578 for (IT I = begin; I < end; I += TC<int, ST>::step()) { 579 ++I; 580 } 581 } 582 583 void test_with_template() { 584 GoodIter begin, end; 585 TC<GoodIter, 100> t1; 586 TC<GoodIter, -100> t2; 587 t1.dotest_lt(begin, end); 588 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 589 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 590 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 591 } 592 593 void test_loop_break() { 594 const int N = 100; 595 float a[N], b[N], c[N]; 596 #pragma omp parallel 597 #pragma omp for 598 for (int i = 0; i < 10; i++) { 599 c[i] = a[i] + b[i]; 600 for (int j = 0; j < 10; ++j) { 601 if (a[i] > b[j]) 602 break; // OK in nested loop 603 } 604 switch (i) { 605 case 1: 606 b[i]++; 607 break; 608 default: 609 break; 610 } 611 if (c[i] > 10) 612 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 613 614 if (c[i] > 11) 615 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 616 } 617 618 #pragma omp parallel 619 #pragma omp for 620 for (int i = 0; i < 10; i++) { 621 for (int j = 0; j < 10; j++) { 622 c[i] = a[i] + b[i]; 623 if (c[i] > 10) { 624 if (c[i] < 20) { 625 break; // OK 626 } 627 } 628 } 629 } 630 } 631 632 void test_loop_eh() { 633 const int N = 100; 634 float a[N], b[N], c[N]; 635 #pragma omp parallel 636 #pragma omp for 637 for (int i = 0; i < 10; i++) { 638 c[i] = a[i] + b[i]; 639 try { 640 for (int j = 0; j < 10; ++j) { 641 if (a[i] > b[j]) 642 throw a[i]; 643 } 644 throw a[i]; 645 } catch (float f) { 646 if (f > 0.1) 647 throw a[i]; 648 return; // expected-error {{cannot return from OpenMP region}} 649 } 650 switch (i) { 651 case 1: 652 b[i]++; 653 break; 654 default: 655 break; 656 } 657 for (int j = 0; j < 10; j++) { 658 if (c[i] > 10) 659 throw c[i]; 660 } 661 } 662 if (c[9] > 10) 663 throw c[9]; // OK 664 665 #pragma omp parallel 666 #pragma omp for 667 for (int i = 0; i < 10; ++i) { 668 struct S { 669 void g() { throw 0; } 670 }; 671 } 672 } 673 674 void test_loop_firstprivate_lastprivate() { 675 S s(4); 676 #pragma omp parallel 677 #pragma omp for lastprivate(s) firstprivate(s) 678 for (int i = 0; i < 16; ++i) 679 ; 680 } 681 682 void test_ordered() { 683 #pragma omp parallel 684 #pragma omp for ordered ordered // expected-error {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}} 685 for (int i = 0; i < 16; ++i) 686 ; 687 } 688 689 void test_nowait() { 690 #pragma omp parallel 691 #pragma omp for nowait nowait // expected-error {{directive '#pragma omp for' cannot contain more than one 'nowait' clause}} 692 for (int i = 0; i < 16; ++i) 693 ; 694 } 695