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