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