1 // RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s 2 3 static int sii; 4 // expected-note@+1 {{defined as threadprivate or thread local}} 5 #pragma omp threadprivate(sii) 6 static int globalii; 7 8 int test_iteration_spaces() { 9 const int N = 100; 10 float a[N], b[N], c[N]; 11 int ii, jj, kk; 12 float fii; 13 double dii; 14 #pragma omp target 15 #pragma omp teams 16 #pragma omp distribute simd 17 for (int i = 0; i < 10; i+=1) { 18 c[i] = a[i] + b[i]; 19 } 20 #pragma omp target 21 #pragma omp teams 22 #pragma omp distribute simd 23 for (char i = 0; i < 10; i++) { 24 c[i] = a[i] + b[i]; 25 } 26 #pragma omp target 27 #pragma omp teams 28 #pragma omp distribute simd 29 for (char i = 0; i < 10; i+='\1') { 30 c[i] = a[i] + b[i]; 31 } 32 #pragma omp target 33 #pragma omp teams 34 #pragma omp distribute simd 35 for (long long i = 0; i < 10; i++) { 36 c[i] = a[i] + b[i]; 37 } 38 #pragma omp target 39 #pragma omp teams 40 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} 41 #pragma omp distribute simd 42 for (long long i = 0; i < 10; i+=1.5) { 43 c[i] = a[i] + b[i]; 44 } 45 #pragma omp target 46 #pragma omp teams 47 #pragma omp distribute simd 48 for (long long i = 0; i < 'z'; i+=1u) { 49 c[i] = a[i] + b[i]; 50 } 51 #pragma omp target 52 #pragma omp teams 53 // expected-error@+2 {{variable must be of integer or random access iterator type}} 54 #pragma omp distribute simd 55 for (float fi = 0; fi < 10.0; fi++) { 56 c[(int)fi] = a[(int)fi] + b[(int)fi]; 57 } 58 #pragma omp target 59 #pragma omp teams 60 // expected-error@+2 {{variable must be of integer or random access iterator type}} 61 #pragma omp distribute simd 62 for (double fi = 0; fi < 10.0; fi++) { 63 c[(int)fi] = a[(int)fi] + b[(int)fi]; 64 } 65 #pragma omp target 66 #pragma omp teams 67 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 68 #pragma omp distribute simd 69 for (int &ref = ii; ref < 10; ref++) { 70 } 71 #pragma omp target 72 #pragma omp teams 73 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 74 #pragma omp distribute simd 75 for (int i; i < 10; i++) 76 c[i] = a[i]; 77 78 #pragma omp target 79 #pragma omp teams 80 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 81 #pragma omp distribute simd 82 for (int i = 0, j = 0; i < 10; ++i) 83 c[i] = a[i]; 84 85 #pragma omp target 86 #pragma omp teams 87 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 88 #pragma omp distribute simd 89 for (;ii < 10; ++ii) 90 c[ii] = a[ii]; 91 92 #pragma omp target 93 #pragma omp teams 94 // expected-warning@+3 {{expression result unused}} 95 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 96 #pragma omp distribute simd 97 for (ii + 1;ii < 10; ++ii) 98 c[ii] = a[ii]; 99 100 #pragma omp target 101 #pragma omp teams 102 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 103 #pragma omp distribute simd 104 for (c[ii] = 0;ii < 10; ++ii) 105 c[ii] = a[ii]; 106 107 // Ok to skip parenthesises. 108 #pragma omp target 109 #pragma omp teams 110 #pragma omp distribute simd 111 for (((ii)) = 0;ii < 10; ++ii) 112 c[ii] = a[ii]; 113 114 #pragma omp target 115 #pragma omp teams 116 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 117 #pragma omp distribute simd 118 for (int i = 0; i; i++) 119 c[i] = a[i]; 120 121 #pragma omp target 122 #pragma omp teams 123 // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 124 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} 125 #pragma omp distribute simd 126 for (int i = 0; jj < kk; ii++) 127 c[i] = a[i]; 128 129 #pragma omp target 130 #pragma omp teams 131 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 132 #pragma omp distribute simd 133 for (int i = 0; !!i; i++) 134 c[i] = a[i]; 135 136 #pragma omp target 137 #pragma omp teams 138 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 139 #pragma omp distribute simd 140 for (int i = 0; i != 1; i++) 141 c[i] = a[i]; 142 143 #pragma omp target 144 #pragma omp teams 145 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 146 #pragma omp distribute simd 147 for (int i = 0; ; i++) 148 c[i] = a[i]; 149 150 // Ok. 151 #pragma omp target 152 #pragma omp teams 153 #pragma omp distribute simd 154 for (int i = 11; i > 10; i--) 155 c[i] = a[i]; 156 157 // Ok. 158 #pragma omp target 159 #pragma omp teams 160 #pragma omp distribute simd 161 for (int i = 0; i < 10; ++i) 162 c[i] = a[i]; 163 164 // Ok. 165 #pragma omp target 166 #pragma omp teams 167 #pragma omp distribute simd 168 for (ii = 0; ii < 10; ++ii) 169 c[ii] = a[ii]; 170 171 #pragma omp target 172 #pragma omp teams 173 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 174 #pragma omp distribute simd 175 for (ii = 0; ii < 10; ++jj) 176 c[ii] = a[jj]; 177 178 #pragma omp target 179 #pragma omp teams 180 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 181 #pragma omp distribute simd 182 for (ii = 0; ii < 10; ++ ++ ii) 183 c[ii] = a[ii]; 184 185 // Ok but undefined behavior (in general, cannot check that incr 186 // is really loop-invariant). 187 #pragma omp target 188 #pragma omp teams 189 #pragma omp distribute simd 190 for (ii = 0; ii < 10; ii = ii + ii) 191 c[ii] = a[ii]; 192 193 #pragma omp target 194 #pragma omp teams 195 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} 196 #pragma omp distribute simd 197 for (ii = 0; ii < 10; ii = ii + 1.0f) 198 c[ii] = a[ii]; 199 200 // Ok - step was converted to integer type. 201 #pragma omp target 202 #pragma omp teams 203 #pragma omp distribute simd 204 for (ii = 0; ii < 10; ii = ii + (int)1.1f) 205 c[ii] = a[ii]; 206 207 #pragma omp target 208 #pragma omp teams 209 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 210 #pragma omp distribute simd 211 for (ii = 0; ii < 10; jj = ii + 2) 212 c[ii] = a[ii]; 213 214 #pragma omp target 215 #pragma omp teams 216 // expected-warning@+3 {{relational comparison result unused}} 217 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 218 #pragma omp distribute simd 219 for (ii = 0; ii < 10; jj > kk + 2) 220 c[ii] = a[ii]; 221 222 #pragma omp target 223 #pragma omp teams 224 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 225 #pragma omp distribute simd 226 for (ii = 0; ii < 10;) 227 c[ii] = a[ii]; 228 229 #pragma omp target 230 #pragma omp teams 231 // expected-warning@+3 {{expression result unused}} 232 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 233 #pragma omp distribute simd 234 for (ii = 0; ii < 10; !ii) 235 c[ii] = a[ii]; 236 237 #pragma omp target 238 #pragma omp teams 239 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 240 #pragma omp distribute simd 241 for (ii = 0; ii < 10; ii ? ++ii : ++jj) 242 c[ii] = a[ii]; 243 244 #pragma omp target 245 #pragma omp teams 246 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 247 #pragma omp distribute simd 248 for (ii = 0; ii < 10; ii = ii < 10) 249 c[ii] = a[ii]; 250 251 #pragma omp target 252 #pragma omp teams 253 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 254 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 255 #pragma omp distribute simd 256 for (ii = 0; ii < 10; ii = ii + 0) 257 c[ii] = a[ii]; 258 259 #pragma omp target 260 #pragma omp teams 261 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 262 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 263 #pragma omp distribute simd 264 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) 265 c[ii] = a[ii]; 266 267 #pragma omp target 268 #pragma omp teams 269 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 270 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 271 #pragma omp distribute simd 272 for (ii = 0; (ii) < 10; ii-=25) 273 c[ii] = a[ii]; 274 275 #pragma omp target 276 #pragma omp teams 277 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 278 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 279 #pragma omp distribute simd 280 for (ii = 0; (ii < 10); ii-=0) 281 c[ii] = a[ii]; 282 283 #pragma omp target 284 #pragma omp teams 285 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 286 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 287 #pragma omp distribute simd 288 for (ii = 0; ii > 10; (ii+=0)) 289 c[ii] = a[ii]; 290 291 #pragma omp target 292 #pragma omp teams 293 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 294 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 295 #pragma omp distribute simd 296 for (ii = 0; ii < 10; (ii) = (1-1)+(ii)) 297 c[ii] = a[ii]; 298 299 #pragma omp target 300 #pragma omp teams 301 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 302 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 303 #pragma omp distribute simd 304 for ((ii = 0); ii > 10; (ii-=0)) 305 c[ii] = a[ii]; 306 307 #pragma omp target 308 #pragma omp teams 309 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 310 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 311 #pragma omp distribute simd 312 for (ii = 0; (ii < 10); (ii-=0)) 313 c[ii] = a[ii]; 314 315 #pragma omp target 316 #pragma omp teams 317 // expected-note@+2 {{defined as private}} 318 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be private, predetermined as linear}} 319 #pragma omp distribute simd private(ii) 320 for (ii = 0; ii < 10; ii++) 321 c[ii] = a[ii]; 322 323 #pragma omp target 324 #pragma omp teams 325 // expected-error@+3 {{unexpected OpenMP clause 'shared' in directive '#pragma omp distribute simd'}} 326 // expected-note@+2 {{defined as shared}} 327 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be shared, predetermined as linear}} 328 #pragma omp distribute simd shared(ii) 329 for (ii = 0; ii < 10; ii++) 330 c[ii] = a[ii]; 331 332 #pragma omp target 333 #pragma omp teams 334 #pragma omp distribute simd linear(ii) 335 for (ii = 0; ii < 10; ii++) 336 c[ii] = a[ii]; 337 338 #pragma omp target 339 #pragma omp teams 340 #pragma omp distribute simd lastprivate(ii) linear(jj) collapse(2) // expected-note {{defined as linear}} 341 for (ii = 0; ii < 10; ii++) 342 for (jj = 0; jj < 10; jj++) // expected-error {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be linear, predetermined as lastprivate}} 343 c[ii] = a[jj]; 344 345 346 #pragma omp parallel 347 { 348 #pragma omp target 349 #pragma omp teams 350 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be threadprivate or thread local, predetermined as linear}} 351 #pragma omp distribute simd 352 for (sii = 0; sii < 10; sii+=1) 353 c[sii] = a[sii]; 354 } 355 356 #pragma omp parallel 357 { 358 #pragma omp target 359 #pragma omp teams 360 #pragma omp distribute simd 361 for (globalii = 0; globalii < 10; globalii+=1) 362 c[globalii] = a[globalii]; 363 } 364 365 #pragma omp parallel 366 { 367 #pragma omp target 368 #pragma omp teams 369 #pragma omp distribute simd collapse(2) 370 for (ii = 0; ii < 10; ii += 1) 371 for (globalii = 0; globalii < 10; globalii += 1) 372 c[globalii] += a[globalii] + ii; 373 } 374 375 #pragma omp target 376 #pragma omp teams 377 // expected-error@+2 {{statement after '#pragma omp distribute simd' must be a for loop}} 378 #pragma omp distribute simd 379 for (auto &item : a) { 380 item = item + 1; 381 } 382 383 #pragma omp target 384 #pragma omp teams 385 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 386 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 387 #pragma omp distribute simd 388 for (unsigned i = 9; i < 10; i--) { 389 c[i] = a[i] + b[i]; 390 } 391 392 int (*lb)[4] = nullptr; 393 #pragma omp target 394 #pragma omp teams 395 #pragma omp distribute simd 396 for (int (*p)[4] = lb; p < lb + 8; ++p) { 397 } 398 399 #pragma omp target 400 #pragma omp teams 401 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 402 #pragma omp distribute simd 403 for (int a{0}; a<10; ++a) { 404 } 405 406 return 0; 407 } 408 409 // Iterators allowed in openmp for-loops. 410 namespace std { 411 struct random_access_iterator_tag { }; 412 template <class Iter> struct iterator_traits { 413 typedef typename Iter::difference_type difference_type; 414 typedef typename Iter::iterator_category iterator_category; 415 }; 416 template <class Iter> 417 typename iterator_traits<Iter>::difference_type 418 distance(Iter first, Iter last) { return first - last; } 419 } 420 class Iter0 { 421 public: 422 Iter0() { } 423 Iter0(const Iter0 &) { } 424 Iter0 operator ++() { return *this; } 425 Iter0 operator --() { return *this; } 426 Iter0 operator + (int delta) { return *this; } 427 bool operator <(Iter0 a) { return true; } 428 }; 429 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}} 430 int operator -(Iter0 a, Iter0 b) { return 0; } 431 class Iter1 { 432 public: 433 Iter1(float f=0.0f, double d=0.0) { } 434 Iter1(const Iter1 &) { } 435 Iter1 operator ++() { return *this; } 436 Iter1 operator --() { return *this; } 437 bool operator <(Iter1 a) { return true; } 438 bool operator >=(Iter1 a) { return false; } 439 }; 440 class GoodIter { 441 public: 442 GoodIter() { } 443 GoodIter(const GoodIter &) { } 444 GoodIter(int fst, int snd) { } 445 GoodIter &operator =(const GoodIter &that) { return *this; } 446 GoodIter &operator =(const Iter0 &that) { return *this; } 447 GoodIter &operator +=(int x) { return *this; } 448 explicit GoodIter(void *) { } 449 GoodIter operator ++() { return *this; } 450 GoodIter operator --() { return *this; } 451 bool operator !() { return true; } 452 bool operator <(GoodIter a) { return true; } 453 bool operator <=(GoodIter a) { return true; } 454 bool operator >=(GoodIter a) { return false; } 455 typedef int difference_type; 456 typedef std::random_access_iterator_tag iterator_category; 457 }; 458 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 459 int operator -(GoodIter a, GoodIter b) { return 0; } 460 // expected-note@+1 2 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}} 461 GoodIter operator -(GoodIter a) { return a; } 462 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 463 GoodIter operator -(GoodIter a, int v) { return GoodIter(); } 464 GoodIter operator +(GoodIter a, int v) { return GoodIter(); } 465 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}} 466 GoodIter operator -(int v, GoodIter a) { return GoodIter(); } 467 GoodIter operator +(int v, GoodIter a) { return GoodIter(); } 468 469 int test_with_random_access_iterator() { 470 GoodIter begin, end; 471 Iter0 begin0, end0; 472 #pragma omp target 473 #pragma omp teams 474 #pragma omp distribute simd 475 for (GoodIter I = begin; I < end; ++I) 476 ++I; 477 #pragma omp target 478 #pragma omp teams 479 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 480 #pragma omp distribute simd 481 for (GoodIter &I = begin; I < end; ++I) 482 ++I; 483 #pragma omp target 484 #pragma omp teams 485 #pragma omp distribute simd 486 for (GoodIter I = begin; I >= end; --I) 487 ++I; 488 #pragma omp target 489 #pragma omp teams 490 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 491 #pragma omp distribute simd 492 for (GoodIter I(begin); I < end; ++I) 493 ++I; 494 #pragma omp target 495 #pragma omp teams 496 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 497 #pragma omp distribute simd 498 for (GoodIter I(nullptr); I < end; ++I) 499 ++I; 500 #pragma omp target 501 #pragma omp teams 502 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 503 #pragma omp distribute simd 504 for (GoodIter I(0); I < end; ++I) 505 ++I; 506 #pragma omp target 507 #pragma omp teams 508 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 509 #pragma omp distribute simd 510 for (GoodIter I(1,2); I < end; ++I) 511 ++I; 512 #pragma omp target 513 #pragma omp teams 514 #pragma omp distribute simd 515 for (begin = GoodIter(0); begin < end; ++begin) 516 ++begin; 517 #pragma omp target 518 #pragma omp teams 519 #pragma omp distribute simd 520 for (begin = GoodIter(1,2); begin < end; ++begin) 521 ++begin; 522 #pragma omp target 523 #pragma omp teams 524 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 525 #pragma omp distribute simd 526 for (++begin; begin < end; ++begin) 527 ++begin; 528 #pragma omp target 529 #pragma omp teams 530 #pragma omp distribute simd 531 for (begin = end; begin < end; ++begin) 532 ++begin; 533 #pragma omp target 534 #pragma omp teams 535 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 536 #pragma omp distribute simd 537 for (GoodIter I = begin; I - I; ++I) 538 ++I; 539 #pragma omp target 540 #pragma omp teams 541 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 542 #pragma omp distribute simd 543 for (GoodIter I = begin; begin < end; ++I) 544 ++I; 545 #pragma omp target 546 #pragma omp teams 547 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 548 #pragma omp distribute simd 549 for (GoodIter I = begin; !I; ++I) 550 ++I; 551 #pragma omp target 552 #pragma omp teams 553 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 554 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 555 #pragma omp distribute simd 556 for (GoodIter I = begin; I >= end; I = I + 1) 557 ++I; 558 #pragma omp target 559 #pragma omp teams 560 #pragma omp distribute simd 561 for (GoodIter I = begin; I >= end; I = I - 1) 562 ++I; 563 #pragma omp target 564 #pragma omp teams 565 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 566 #pragma omp distribute simd 567 for (GoodIter I = begin; I >= end; I = -I) 568 ++I; 569 #pragma omp target 570 #pragma omp teams 571 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 572 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 573 #pragma omp distribute simd 574 for (GoodIter I = begin; I >= end; I = 2 + I) 575 ++I; 576 #pragma omp target 577 #pragma omp teams 578 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 579 #pragma omp distribute simd 580 for (GoodIter I = begin; I >= end; I = 2 - I) 581 ++I; 582 #pragma omp target 583 #pragma omp teams 584 #pragma omp distribute simd 585 for (Iter0 I = begin0; I < end0; ++I) 586 ++I; 587 588 #pragma omp target 589 #pragma omp teams 590 // Initializer is constructor without params. 591 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 592 #pragma omp distribute simd 593 for (Iter0 I; I < end0; ++I) 594 ++I; 595 596 Iter1 begin1, end1; 597 #pragma omp target 598 #pragma omp teams 599 // expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} 600 // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 601 #pragma omp distribute simd 602 for (Iter1 I = begin1; I < end1; ++I) 603 ++I; 604 #pragma omp target 605 #pragma omp teams 606 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 607 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 608 #pragma omp distribute simd 609 for (Iter1 I = begin1; I >= end1; ++I) 610 ++I; 611 612 // Initializer is constructor with all default params. 613 #pragma omp target 614 #pragma omp teams 615 // expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'float')}} 616 // expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 617 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 618 #pragma omp distribute simd 619 for (Iter1 I; I < end1; ++I) { 620 } 621 622 return 0; 623 } 624 625 template <typename IT, int ST> class TC { 626 public: 627 int dotest_lt(IT begin, IT end) { 628 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 629 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 630 #pragma omp distribute simd 631 for (IT I = begin; I < end; I = I + ST) { 632 ++I; 633 } 634 #pragma omp target 635 #pragma omp teams 636 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 637 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 638 #pragma omp distribute simd 639 for (IT I = begin; I <= end; I += ST) { 640 ++I; 641 } 642 #pragma omp distribute simd 643 for (IT I = begin; I < end; ++I) { 644 ++I; 645 } 646 } 647 648 static IT step() { 649 return IT(ST); 650 } 651 }; 652 template <typename IT, int ST=0> int dotest_gt(IT begin, IT end) { 653 #pragma omp target 654 #pragma omp teams 655 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 656 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 657 #pragma omp distribute simd 658 for (IT I = begin; I >= end; I = I + ST) { 659 ++I; 660 } 661 #pragma omp target 662 #pragma omp teams 663 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 664 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 665 #pragma omp distribute simd 666 for (IT I = begin; I >= end; I += ST) { 667 ++I; 668 } 669 670 #pragma omp target 671 #pragma omp teams 672 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 673 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 674 #pragma omp distribute simd 675 for (IT I = begin; I >= end; ++I) { 676 ++I; 677 } 678 679 #pragma omp target 680 #pragma omp teams 681 #pragma omp distribute simd 682 for (IT I = begin; I < end; I+=TC<int,ST>::step()) { 683 ++I; 684 } 685 } 686 687 void test_with_template() { 688 GoodIter begin, end; 689 TC<GoodIter, 100> t1; 690 TC<GoodIter, -100> t2; 691 t1.dotest_lt(begin, end); 692 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 693 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 694 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 695 } 696 697 void test_loop_break() { 698 const int N = 100; 699 float a[N], b[N], c[N]; 700 #pragma omp target 701 #pragma omp teams 702 #pragma omp distribute simd 703 for (int i = 0; i < 10; i++) { 704 c[i] = a[i] + b[i]; 705 for (int j = 0; j < 10; ++j) { 706 if (a[i] > b[j]) 707 break; // OK in nested loop 708 } 709 switch(i) { 710 case 1: 711 b[i]++; 712 break; 713 default: 714 break; 715 } 716 if (c[i] > 10) 717 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 718 719 if (c[i] > 11) 720 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 721 } 722 723 #pragma omp target 724 #pragma omp teams 725 #pragma omp distribute simd 726 for (int i = 0; i < 10; i++) { 727 for (int j = 0; j < 10; j++) { 728 c[i] = a[i] + b[i]; 729 if (c[i] > 10) { 730 if (c[i] < 20) { 731 break; // OK 732 } 733 } 734 } 735 } 736 } 737 738 void test_loop_eh() { 739 const int N = 100; 740 float a[N], b[N], c[N]; 741 #pragma omp target 742 #pragma omp teams 743 #pragma omp distribute simd 744 for (int i = 0; i < 10; i++) { 745 c[i] = a[i] + b[i]; 746 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}} 747 for (int j = 0; j < 10; ++j) { 748 if (a[i] > b[j]) 749 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 750 } 751 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 752 } 753 catch (float f) { 754 if (f > 0.1) 755 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 756 return; // expected-error {{cannot return from OpenMP region}} 757 } 758 switch(i) { 759 case 1: 760 b[i]++; 761 break; 762 default: 763 break; 764 } 765 for (int j = 0; j < 10; j++) { 766 if (c[i] > 10) 767 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 768 } 769 } 770 if (c[9] > 10) 771 throw c[9]; // OK 772 773 #pragma omp target 774 #pragma omp teams 775 #pragma omp distribute simd 776 for (int i = 0; i < 10; ++i) { 777 struct S { 778 void g() { throw 0; } 779 }; 780 } 781 } 782 783
