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