1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s 2 3 static int sii; 4 #pragma omp threadprivate(sii) // expected-note {{defined as threadprivate or thread local}} 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 {{variable must be of integer or random access iterator type}} 49 #pragma omp simd 50 for (int &ref = ii; ref < 10; ref++) { 51 } 52 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the 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 must be of the 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 must be of the 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 must be of the 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 must be of the 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 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be threadprivate or thread local, predetermined as linear}} 256 #pragma omp simd 257 for (sii = 0; sii < 10; sii+=1) 258 c[sii] = a[sii]; 259 } 260 261 #pragma omp parallel 262 { 263 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be a variable with global storage without being explicitly marked as linear}} 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 // expected-error@+3 {{loop iteration variable in the associated loop of 'omp simd' directive may not be a variable with global storage without being explicitly marked as lastprivate}} 272 #pragma omp simd collapse(2) 273 for (ii = 0; ii < 10; ii += 1) 274 for (globalii = 0; globalii < 10; globalii += 1) 275 c[globalii] += a[globalii] + ii; 276 } 277 278 // expected-error@+2 {{statement after '#pragma omp simd' must be a for loop}} 279 #pragma omp simd 280 for (auto &item : a) { 281 item = item + 1; 282 } 283 284 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 285 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 286 #pragma omp simd 287 for (unsigned i = 9; i < 10; i--) { 288 c[i] = a[i] + b[i]; 289 } 290 291 int (*lb)[4] = nullptr; 292 #pragma omp simd 293 for (int (*p)[4] = lb; p < lb + 8; ++p) { 294 } 295 296 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 297 #pragma omp simd 298 for (int a{0}; a<10; ++a) { 299 } 300 301 return 0; 302 } 303 304 // Iterators allowed in openmp for-loops. 305 namespace std { 306 struct random_access_iterator_tag { }; 307 template <class Iter> struct iterator_traits { 308 typedef typename Iter::difference_type difference_type; 309 typedef typename Iter::iterator_category iterator_category; 310 }; 311 template <class Iter> 312 typename iterator_traits<Iter>::difference_type 313 distance(Iter first, Iter last) { return first - last; } 314 } 315 class Iter0 { 316 public: 317 Iter0() { } 318 Iter0(const Iter0 &) { } 319 Iter0 operator ++() { return *this; } 320 Iter0 operator --() { return *this; } 321 Iter0 operator + (int delta) { return *this; } 322 bool operator <(Iter0 a) { return true; } 323 }; 324 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}} 325 int operator -(Iter0 a, Iter0 b) { return 0; } 326 class Iter1 { 327 public: 328 Iter1(float f=0.0f, double d=0.0) { } 329 Iter1(const Iter1 &) { } 330 Iter1 operator ++() { return *this; } 331 Iter1 operator --() { return *this; } 332 bool operator <(Iter1 a) { return true; } 333 bool operator >=(Iter1 a) { return false; } 334 }; 335 class GoodIter { 336 public: 337 GoodIter() { } 338 GoodIter(const GoodIter &) { } 339 GoodIter(int fst, int snd) { } 340 GoodIter &operator =(const GoodIter &that) { return *this; } 341 GoodIter &operator =(const Iter0 &that) { return *this; } 342 GoodIter &operator +=(int x) { return *this; } 343 explicit GoodIter(void *) { } 344 GoodIter operator ++() { return *this; } 345 GoodIter operator --() { return *this; } 346 bool operator !() { return true; } 347 bool operator <(GoodIter a) { return true; } 348 bool operator <=(GoodIter a) { return true; } 349 bool operator >=(GoodIter a) { return false; } 350 typedef int difference_type; 351 typedef std::random_access_iterator_tag iterator_category; 352 }; 353 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 354 int operator -(GoodIter a, GoodIter b) { return 0; } 355 // expected-note@+1 2 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}} 356 GoodIter operator -(GoodIter a) { return a; } 357 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 358 GoodIter operator -(GoodIter a, int v) { return GoodIter(); } 359 GoodIter operator +(GoodIter a, int v) { return GoodIter(); } 360 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}} 361 GoodIter operator -(int v, GoodIter a) { return GoodIter(); } 362 GoodIter operator +(int v, GoodIter a) { return GoodIter(); } 363 364 int test_with_random_access_iterator() { 365 GoodIter begin, end; 366 Iter0 begin0, end0; 367 #pragma omp simd 368 for (GoodIter I = begin; I < end; ++I) 369 ++I; 370 // expected-error@+2 {{variable must be of integer or random access iterator type}} 371 #pragma omp simd 372 for (GoodIter &I = begin; I < end; ++I) 373 ++I; 374 #pragma omp simd 375 for (GoodIter I = begin; I >= end; --I) 376 ++I; 377 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 378 #pragma omp simd 379 for (GoodIter I(begin); I < end; ++I) 380 ++I; 381 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 382 #pragma omp simd 383 for (GoodIter I(nullptr); I < end; ++I) 384 ++I; 385 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 386 #pragma omp simd 387 for (GoodIter I(0); I < end; ++I) 388 ++I; 389 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 390 #pragma omp simd 391 for (GoodIter I(1,2); I < end; ++I) 392 ++I; 393 #pragma omp simd 394 for (begin = GoodIter(0); begin < end; ++begin) 395 ++begin; 396 #pragma omp simd 397 for (begin = GoodIter(1,2); begin < end; ++begin) 398 ++begin; 399 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}} 400 #pragma omp simd 401 for (++begin; begin < end; ++begin) 402 ++begin; 403 #pragma omp simd 404 for (begin = end; begin < end; ++begin) 405 ++begin; 406 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 407 #pragma omp simd 408 for (GoodIter I = begin; I - I; ++I) 409 ++I; 410 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 411 #pragma omp simd 412 for (GoodIter I = begin; begin < end; ++I) 413 ++I; 414 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 415 #pragma omp simd 416 for (GoodIter I = begin; !I; ++I) 417 ++I; 418 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 419 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 420 #pragma omp simd 421 for (GoodIter I = begin; I >= end; I = I + 1) 422 ++I; 423 #pragma omp simd 424 for (GoodIter I = begin; I >= end; I = I - 1) 425 ++I; 426 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 427 #pragma omp simd 428 for (GoodIter I = begin; I >= end; I = -I) 429 ++I; 430 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 431 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 432 #pragma omp simd 433 for (GoodIter I = begin; I >= end; I = 2 + I) 434 ++I; 435 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 436 #pragma omp simd 437 for (GoodIter I = begin; I >= end; I = 2 - I) 438 ++I; 439 #pragma omp simd 440 for (Iter0 I = begin0; I < end0; ++I) 441 ++I; 442 443 // Initializer is constructor without params. 444 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 445 #pragma omp simd 446 for (Iter0 I; I < end0; ++I) 447 ++I; 448 449 Iter1 begin1, end1; 450 // expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} 451 // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 452 #pragma omp simd 453 for (Iter1 I = begin1; I < end1; ++I) 454 ++I; 455 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 456 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 457 #pragma omp simd 458 for (Iter1 I = begin1; I >= end1; ++I) 459 ++I; 460 461 // Initializer is constructor with all default params. 462 // expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} 463 // expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 464 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 465 #pragma omp simd 466 for (Iter1 I; I < end1; ++I) { 467 } 468 469 return 0; 470 } 471 472 template <typename IT, int ST> class TC { 473 public: 474 int dotest_lt(IT begin, IT end) { 475 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 476 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 477 #pragma omp simd 478 for (IT I = begin; I < end; I = I + ST) { 479 ++I; 480 } 481 // expected-note@+3 {{loop step is expected to be positive due to this condition}} 482 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 483 #pragma omp simd 484 for (IT I = begin; I <= end; I += ST) { 485 ++I; 486 } 487 #pragma omp simd 488 for (IT I = begin; I < end; ++I) { 489 ++I; 490 } 491 } 492 493 static IT step() { 494 return IT(ST); 495 } 496 }; 497 template <typename IT, int ST=0> int dotest_gt(IT begin, IT end) { 498 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 499 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 500 #pragma omp simd 501 for (IT I = begin; I >= end; I = I + ST) { 502 ++I; 503 } 504 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 505 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 506 #pragma omp simd 507 for (IT I = begin; I >= end; I += ST) { 508 ++I; 509 } 510 511 // expected-note@+3 {{loop step is expected to be negative due to this condition}} 512 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 513 #pragma omp simd 514 for (IT I = begin; I >= end; ++I) { 515 ++I; 516 } 517 518 #pragma omp simd 519 for (IT I = begin; I < end; I+=TC<int,ST>::step()) { 520 ++I; 521 } 522 } 523 524 void test_with_template() { 525 GoodIter begin, end; 526 TC<GoodIter, 100> t1; 527 TC<GoodIter, -100> t2; 528 t1.dotest_lt(begin, end); 529 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 530 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 531 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 532 } 533 534 void test_loop_break() { 535 const int N = 100; 536 float a[N], b[N], c[N]; 537 #pragma omp simd 538 for (int i = 0; i < 10; i++) { 539 c[i] = a[i] + b[i]; 540 for (int j = 0; j < 10; ++j) { 541 if (a[i] > b[j]) 542 break; // OK in nested loop 543 } 544 switch(i) { 545 case 1: 546 b[i]++; 547 break; 548 default: 549 break; 550 } 551 if (c[i] > 10) 552 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 553 554 if (c[i] > 11) 555 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 556 } 557 558 #pragma omp simd 559 for (int i = 0; i < 10; i++) { 560 for (int j = 0; j < 10; j++) { 561 c[i] = a[i] + b[i]; 562 if (c[i] > 10) { 563 if (c[i] < 20) { 564 break; // OK 565 } 566 } 567 } 568 } 569 } 570 571 void test_loop_eh() { 572 const int N = 100; 573 float a[N], b[N], c[N]; 574 #pragma omp simd 575 for (int i = 0; i < 10; i++) { 576 c[i] = a[i] + b[i]; 577 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}} 578 for (int j = 0; j < 10; ++j) { 579 if (a[i] > b[j]) 580 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 581 } 582 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 583 } 584 catch (float f) { 585 if (f > 0.1) 586 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 587 return; // expected-error {{cannot return from OpenMP region}} 588 } 589 switch(i) { 590 case 1: 591 b[i]++; 592 break; 593 default: 594 break; 595 } 596 for (int j = 0; j < 10; j++) { 597 if (c[i] > 10) 598 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 599 } 600 } 601 if (c[9] > 10) 602 throw c[9]; // OK 603 604 #pragma omp simd 605 for (int i = 0; i < 10; ++i) { 606 struct S { 607 void g() { throw 0; } 608 }; 609 } 610 } 611 612
