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 simd 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 simd 28 for (char i = 0; i < 10; i++) { 29 c[i] = a[i] + b[i]; 30 } 31 #pragma omp parallel 32 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 134 for (int i = 0;; i++) 135 c[i] = a[i]; 136 137 #pragma omp parallel 138 // Ok. 139 #pragma omp for simd 140 for (int i = 11; i > 10; i--) 141 c[i] = a[i]; 142 143 #pragma omp parallel 144 // Ok. 145 #pragma omp for simd 146 for (int i = 0; i < 10; ++i) 147 c[i] = a[i]; 148 149 #pragma omp parallel 150 // Ok. 151 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd' directive may not be firstprivate, predetermined as linear}} 283 #pragma omp for simd firstprivate(ii) 284 for (ii = 0; ii < 10; ii++) 285 c[ii] = a[ii]; 286 287 #pragma omp parallel 288 #pragma omp for simd linear(ii) 289 for (ii = 0; ii < 10; ii++) 290 c[ii] = a[ii]; 291 292 #pragma omp parallel 293 // expected-note@+2 {{defined as private}} 294 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be private, predetermined as linear}} 295 #pragma omp for simd private(ii) 296 for (ii = 0; ii < 10; ii++) 297 c[ii] = a[ii]; 298 299 #pragma omp parallel 300 // expected-note@+2 {{defined as lastprivate}} 301 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be lastprivate, predetermined as linear}} 302 #pragma omp for simd lastprivate(ii) 303 for (ii = 0; ii < 10; ii++) 304 c[ii] = a[ii]; 305 306 #pragma omp parallel 307 { 308 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp for simd' directive may not be threadprivate or thread local, predetermined as linear}} 309 #pragma omp for simd 310 for (sii = 0; sii < 10; sii += 1) 311 c[sii] = a[sii]; 312 } 313 314 #pragma omp parallel 315 // expected-error@+2 {{statement after '#pragma omp for simd' must be a for loop}} 316 #pragma omp for simd 317 for (auto &item : a) { 318 item = item + 1; 319 } 320 321 #pragma omp parallel 322 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 323 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 324 #pragma omp for simd 325 for (unsigned i = 9; i < 10; i--) { 326 c[i] = a[i] + b[i]; 327 } 328 329 int(*lb)[4] = nullptr; 330 #pragma omp parallel 331 #pragma omp for simd 332 for (int(*p)[4] = lb; p < lb + 8; ++p) { 333 } 334 335 #pragma omp parallel 336 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 337 #pragma omp for simd 338 for (int a{0}; a < 10; ++a) { 339 } 340 341 return 0; 342 } 343 344 // Iterators allowed in openmp for-loops. 345 namespace std { 346 struct random_access_iterator_tag {}; 347 template <class Iter> 348 struct iterator_traits { 349 typedef typename Iter::difference_type difference_type; 350 typedef typename Iter::iterator_category iterator_category; 351 }; 352 template <class Iter> 353 typename iterator_traits<Iter>::difference_type 354 distance(Iter first, Iter last) { return first - last; } 355 } 356 class Iter0 { 357 public: 358 Iter0() {} 359 Iter0(const Iter0 &) {} 360 Iter0 operator++() { return *this; } 361 Iter0 operator--() { return *this; } 362 bool operator<(Iter0 a) { return true; } 363 }; 364 int operator-(Iter0 a, Iter0 b) { return 0; } 365 class Iter1 { 366 public: 367 Iter1(float f = 0.0f, double d = 0.0) {} 368 Iter1(const Iter1 &) {} 369 Iter1 operator++() { return *this; } 370 Iter1 operator--() { return *this; } 371 bool operator<(Iter1 a) { return true; } 372 bool operator>=(Iter1 a) { return false; } 373 }; 374 class GoodIter { 375 public: 376 GoodIter() {} 377 GoodIter(const GoodIter &) {} 378 GoodIter(int fst, int snd) {} 379 GoodIter &operator=(const GoodIter &that) { return *this; } 380 GoodIter &operator=(const Iter0 &that) { return *this; } 381 GoodIter &operator+=(int x) { return *this; } 382 explicit GoodIter(void *) {} 383 GoodIter operator++() { return *this; } 384 GoodIter operator--() { return *this; } 385 bool operator!() { return true; } 386 bool operator<(GoodIter a) { return true; } 387 bool operator<=(GoodIter a) { return true; } 388 bool operator>=(GoodIter a) { return false; } 389 typedef int difference_type; 390 typedef std::random_access_iterator_tag iterator_category; 391 }; 392 int operator-(GoodIter a, GoodIter b) { return 0; } 393 GoodIter operator-(GoodIter a) { return a; } 394 GoodIter operator-(GoodIter a, int v) { return GoodIter(); } 395 GoodIter operator+(GoodIter a, int v) { return GoodIter(); } 396 GoodIter operator-(int v, GoodIter a) { return GoodIter(); } 397 GoodIter operator+(int v, GoodIter a) { return GoodIter(); } 398 399 int test_with_random_access_iterator() { 400 GoodIter begin, end; 401 Iter0 begin0, end0; 402 #pragma omp parallel 403 #pragma omp for simd 404 for (GoodIter I = begin; I < end; ++I) 405 ++I; 406 #pragma omp parallel 407 // expected-error@+2 {{variable must be of integer or random access iterator type}} 408 #pragma omp for simd 409 for (GoodIter &I = begin; I < end; ++I) 410 ++I; 411 #pragma omp parallel 412 #pragma omp for simd 413 for (GoodIter I = begin; I >= end; --I) 414 ++I; 415 #pragma omp parallel 416 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 417 #pragma omp for simd 418 for (GoodIter I(begin); I < end; ++I) 419 ++I; 420 #pragma omp parallel 421 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 422 #pragma omp for simd 423 for (GoodIter I(nullptr); I < end; ++I) 424 ++I; 425 #pragma omp parallel 426 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 427 #pragma omp for simd 428 for (GoodIter I(0); I < end; ++I) 429 ++I; 430 #pragma omp parallel 431 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 432 #pragma omp for simd 433 for (GoodIter I(1, 2); I < end; ++I) 434 ++I; 435 #pragma omp parallel 436 #pragma omp for simd 437 for (begin = GoodIter(0); begin < end; ++begin) 438 ++begin; 439 #pragma omp parallel 440 #pragma omp for simd 441 for (begin = begin0; begin < end; ++begin) 442 ++begin; 443 #pragma omp parallel 444 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 445 #pragma omp for simd 446 for (++begin; begin < end; ++begin) 447 ++begin; 448 #pragma omp parallel 449 #pragma omp for simd 450 for (begin = end; begin < end; ++begin) 451 ++begin; 452 #pragma omp parallel 453 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 454 #pragma omp for simd 455 for (GoodIter I = begin; I - I; ++I) 456 ++I; 457 #pragma omp parallel 458 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 459 #pragma omp for simd 460 for (GoodIter I = begin; begin < end; ++I) 461 ++I; 462 #pragma omp parallel 463 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 464 #pragma omp for simd 465 for (GoodIter I = begin; !I; ++I) 466 ++I; 467 #pragma omp parallel 468 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 469 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 470 #pragma omp for simd 471 for (GoodIter I = begin; I >= end; I = I + 1) 472 ++I; 473 #pragma omp parallel 474 #pragma omp for simd 475 for (GoodIter I = begin; I >= end; I = I - 1) 476 ++I; 477 #pragma omp parallel 478 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 479 #pragma omp for simd 480 for (GoodIter I = begin; I >= end; I = -I) 481 ++I; 482 #pragma omp parallel 483 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 484 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 485 #pragma omp for simd 486 for (GoodIter I = begin; I >= end; I = 2 + I) 487 ++I; 488 #pragma omp parallel 489 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 490 #pragma omp for simd 491 for (GoodIter I = begin; I >= end; I = 2 - I) 492 ++I; 493 #pragma omp parallel 494 #pragma omp for simd 495 for (Iter0 I = begin0; I < end0; ++I) 496 ++I; 497 #pragma omp parallel 498 // Initializer is constructor without params. 499 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 500 #pragma omp for simd 501 for (Iter0 I; I < end0; ++I) 502 ++I; 503 Iter1 begin1, end1; 504 #pragma omp parallel 505 #pragma omp for simd 506 for (Iter1 I = begin1; I < end1; ++I) 507 ++I; 508 #pragma omp parallel 509 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 510 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 511 #pragma omp for simd 512 for (Iter1 I = begin1; I >= end1; ++I) 513 ++I; 514 #pragma omp parallel 515 // Initializer is constructor with all default params. 516 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 517 #pragma omp for simd 518 for (Iter1 I; I < end1; ++I) { 519 } 520 return 0; 521 } 522 523 template <typename IT, int ST> 524 class TC { 525 public: 526 int dotest_lt(IT begin, IT end) { 527 #pragma omp parallel 528 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 529 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 530 #pragma omp for simd 531 for (IT I = begin; I < end; I = I + ST) { 532 ++I; 533 } 534 #pragma omp parallel 535 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 536 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 537 #pragma omp for simd 538 for (IT I = begin; I <= end; I += ST) { 539 ++I; 540 } 541 #pragma omp parallel 542 #pragma omp for simd 543 for (IT I = begin; I < end; ++I) { 544 ++I; 545 } 546 } 547 548 static IT step() { 549 return IT(ST); 550 } 551 }; 552 template <typename IT, int ST = 0> 553 int dotest_gt(IT begin, IT end) { 554 #pragma omp parallel 555 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 556 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 557 #pragma omp for simd 558 for (IT I = begin; I >= end; I = I + ST) { 559 ++I; 560 } 561 #pragma omp parallel 562 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 563 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 564 #pragma omp for simd 565 for (IT I = begin; I >= end; I += ST) { 566 ++I; 567 } 568 569 #pragma omp parallel 570 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 571 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 572 #pragma omp for simd 573 for (IT I = begin; I >= end; ++I) { 574 ++I; 575 } 576 577 #pragma omp parallel 578 #pragma omp for simd 579 for (IT I = begin; I < end; I += TC<int, ST>::step()) { 580 ++I; 581 } 582 } 583 584 void test_with_template() { 585 GoodIter begin, end; 586 TC<GoodIter, 100> t1; 587 TC<GoodIter, -100> t2; 588 t1.dotest_lt(begin, end); 589 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 590 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 591 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 592 } 593 594 void test_loop_break() { 595 const int N = 100; 596 float a[N], b[N], c[N]; 597 #pragma omp parallel 598 #pragma omp for simd 599 for (int i = 0; i < 10; i++) { 600 c[i] = a[i] + b[i]; 601 for (int j = 0; j < 10; ++j) { 602 if (a[i] > b[j]) 603 break; // OK in nested loop 604 } 605 switch (i) { 606 case 1: 607 b[i]++; 608 break; 609 default: 610 break; 611 } 612 if (c[i] > 10) 613 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 614 615 if (c[i] > 11) 616 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 617 } 618 619 #pragma omp parallel 620 #pragma omp for simd 621 for (int i = 0; i < 10; i++) { 622 for (int j = 0; j < 10; j++) { 623 c[i] = a[i] + b[i]; 624 if (c[i] > 10) { 625 if (c[i] < 20) { 626 break; // OK 627 } 628 } 629 } 630 } 631 } 632 633 void test_loop_eh() { 634 const int N = 100; 635 float a[N], b[N], c[N]; 636 #pragma omp parallel 637 #pragma omp for simd 638 for (int i = 0; i < 10; i++) { 639 c[i] = a[i] + b[i]; 640 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}} 641 for (int j = 0; j < 10; ++j) { 642 if (a[i] > b[j]) 643 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 644 } 645 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 646 } 647 catch (float f) { 648 if (f > 0.1) 649 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 650 return; // expected-error {{cannot return from OpenMP region}} 651 } 652 switch (i) { 653 case 1: 654 b[i]++; 655 break; 656 default: 657 break; 658 } 659 for (int j = 0; j < 10; j++) { 660 if (c[i] > 10) 661 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 662 } 663 } 664 if (c[9] > 10) 665 throw c[9]; // OK 666 667 #pragma omp parallel 668 #pragma omp for simd 669 for (int i = 0; i < 10; ++i) { 670 struct S { 671 void g() { throw 0; } 672 }; 673 } 674 } 675 676 void test_loop_firstprivate_lastprivate() { 677 S s(4); 678 #pragma omp parallel 679 #pragma omp for simd lastprivate(s) firstprivate(s) 680 for (int i = 0; i < 16; ++i) 681 ; 682 } 683 684 void test_ordered() { 685 #pragma omp parallel 686 // expected-error@+1 2 {{unexpected OpenMP clause 'ordered' in directive '#pragma omp for simd'}} 687 #pragma omp for simd ordered ordered // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'ordered' clause}} 688 for (int i = 0; i < 16; ++i) 689 ; 690 } 691 692 void test_nowait() { 693 #pragma omp parallel 694 #pragma omp for simd nowait nowait // expected-error {{directive '#pragma omp for simd' cannot contain more than one 'nowait' clause}} 695 for (int i = 0; i < 16; ++i) 696 ; 697 } 698