1// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s 2 3class S { 4 int a; 5 S() : a(0) {} 6 7public: 8 S(int v) : a(v) {} 9 S(const S &s) : a(s.a) {} 10}; 11 12static int sii; 13// expected-note@+1 {{defined as threadprivate or thread local}} 14#pragma omp threadprivate(sii) 15static int globalii; 16 17// Currently, we cannot use "0" for global register variables. 18// register int reg0 __asm__("0"); 19int reg0; 20 21int test_iteration_spaces() { 22 const int N = 100; 23 float a[N], b[N], c[N]; 24 int ii, jj, kk; 25 float fii; 26 double dii; 27 register int reg; // expected-warning {{'register' storage class specifier is deprecated}} 28#pragma omp parallel 29#pragma omp taskloop simd 30 for (int i = 0; i < 10; i += 1) { 31 c[i] = a[i] + b[i]; 32 } 33#pragma omp parallel 34#pragma omp taskloop simd 35 for (char i = 0; i < 10; i++) { 36 c[i] = a[i] + b[i]; 37 } 38#pragma omp parallel 39#pragma omp taskloop simd 40 for (char i = 0; i < 10; i += '\1') { 41 c[i] = a[i] + b[i]; 42 } 43#pragma omp parallel 44#pragma omp taskloop simd 45 for (long long i = 0; i < 10; i++) { 46 c[i] = a[i] + b[i]; 47 } 48#pragma omp parallel 49// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}} 50#pragma omp taskloop simd 51 for (long long i = 0; i < 10; i += 1.5) { 52 c[i] = a[i] + b[i]; 53 } 54#pragma omp parallel 55#pragma omp taskloop simd 56 for (long long i = 0; i < 'z'; i += 1u) { 57 c[i] = a[i] + b[i]; 58 } 59#pragma omp parallel 60// expected-error@+2 {{variable must be of integer or random access iterator type}} 61#pragma omp taskloop simd 62 for (float fi = 0; fi < 10.0; fi++) { 63 c[(int)fi] = a[(int)fi] + b[(int)fi]; 64 } 65#pragma omp parallel 66// expected-error@+2 {{variable must be of integer or random access iterator type}} 67#pragma omp taskloop simd 68 for (double fi = 0; fi < 10.0; fi++) { 69 c[(int)fi] = a[(int)fi] + b[(int)fi]; 70 } 71#pragma omp parallel 72// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 73#pragma omp taskloop simd 74 for (int &ref = ii; ref < 10; ref++) { 75 } 76#pragma omp parallel 77// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 78#pragma omp taskloop simd 79 for (int i; i < 10; i++) 80 c[i] = a[i]; 81 82#pragma omp parallel 83// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 84#pragma omp taskloop simd 85 for (int i = 0, j = 0; i < 10; ++i) 86 c[i] = a[i]; 87 88#pragma omp parallel 89// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 90#pragma omp taskloop simd 91 for (; ii < 10; ++ii) 92 c[ii] = a[ii]; 93 94#pragma omp parallel 95// expected-warning@+3 {{expression result unused}} 96// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 97#pragma omp taskloop simd 98 for (ii + 1; ii < 10; ++ii) 99 c[ii] = a[ii]; 100 101#pragma omp parallel 102// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 103#pragma omp taskloop simd 104 for (c[ii] = 0; ii < 10; ++ii) 105 c[ii] = a[ii]; 106 107#pragma omp parallel 108// Ok to skip parenthesises. 109#pragma omp taskloop simd 110 for (((ii)) = 0; ii < 10; ++ii) 111 c[ii] = a[ii]; 112 113#pragma omp parallel 114// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 115#pragma omp taskloop simd 116 for (int i = 0; i; i++) 117 c[i] = a[i]; 118 119#pragma omp parallel 120// expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 121// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}} 122#pragma omp taskloop simd 123 for (int i = 0; jj < kk; ii++) 124 c[i] = a[i]; 125 126#pragma omp parallel 127// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 128#pragma omp taskloop simd 129 for (int i = 0; !!i; i++) 130 c[i] = a[i]; 131 132#pragma omp parallel 133// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 134#pragma omp taskloop simd 135 for (int i = 0; i != 1; i++) 136 c[i] = a[i]; 137 138#pragma omp parallel 139// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} 140#pragma omp taskloop simd 141 for (int i = 0;; i++) 142 c[i] = a[i]; 143 144#pragma omp parallel 145// Ok. 146#pragma omp taskloop simd 147 for (int i = 11; i > 10; i--) 148 c[i] = a[i]; 149 150#pragma omp parallel 151// Ok. 152#pragma omp taskloop simd 153 for (int i = 0; i < 10; ++i) 154 c[i] = a[i]; 155 156#pragma omp parallel 157// Ok. 158#pragma omp taskloop simd 159 for (ii = 0; ii < 10; ++ii) 160 c[ii] = a[ii]; 161 162#pragma omp parallel 163// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 164#pragma omp taskloop simd 165 for (ii = 0; ii < 10; ++jj) 166 c[ii] = a[jj]; 167 168#pragma omp parallel 169// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 170#pragma omp taskloop simd 171 for (ii = 0; ii < 10; ++++ii) 172 c[ii] = a[ii]; 173 174#pragma omp parallel 175// Ok but undefined behavior (in general, cannot check that incr 176// is really loop-invariant). 177#pragma omp taskloop simd 178 for (ii = 0; ii < 10; ii = ii + ii) 179 c[ii] = a[ii]; 180 181#pragma omp parallel 182// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}} 183#pragma omp taskloop simd 184 for (ii = 0; ii < 10; ii = ii + 1.0f) 185 c[ii] = a[ii]; 186 187#pragma omp parallel 188// Ok - step was converted to integer type. 189#pragma omp taskloop simd 190 for (ii = 0; ii < 10; ii = ii + (int)1.1f) 191 c[ii] = a[ii]; 192 193#pragma omp parallel 194// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 195#pragma omp taskloop simd 196 for (ii = 0; ii < 10; jj = ii + 2) 197 c[ii] = a[ii]; 198 199#pragma omp parallel 200// expected-warning@+3 {{relational comparison result unused}} 201// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 202#pragma omp taskloop simd 203 for (ii = 0; ii<10; jj> kk + 2) 204 c[ii] = a[ii]; 205 206#pragma omp parallel 207// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 208#pragma omp taskloop simd 209 for (ii = 0; ii < 10;) 210 c[ii] = a[ii]; 211 212#pragma omp parallel 213// expected-warning@+3 {{expression result unused}} 214// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 215#pragma omp taskloop simd 216 for (ii = 0; ii < 10; !ii) 217 c[ii] = a[ii]; 218 219#pragma omp parallel 220// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 221#pragma omp taskloop simd 222 for (ii = 0; ii < 10; ii ? ++ii : ++jj) 223 c[ii] = a[ii]; 224 225#pragma omp parallel 226// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}} 227#pragma omp taskloop simd 228 for (ii = 0; ii < 10; ii = ii < 10) 229 c[ii] = a[ii]; 230 231#pragma omp parallel 232// expected-note@+3 {{loop step is expected to be positive due to this condition}} 233// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 234#pragma omp taskloop simd 235 for (ii = 0; ii < 10; ii = ii + 0) 236 c[ii] = a[ii]; 237 238#pragma omp parallel 239// expected-note@+3 {{loop step is expected to be positive due to this condition}} 240// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 241#pragma omp taskloop simd 242 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45)) 243 c[ii] = a[ii]; 244 245#pragma omp parallel 246// expected-note@+3 {{loop step is expected to be positive due to this condition}} 247// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 248#pragma omp taskloop simd 249 for (ii = 0; (ii) < 10; ii -= 25) 250 c[ii] = a[ii]; 251 252#pragma omp parallel 253// expected-note@+3 {{loop step is expected to be positive due to this condition}} 254// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 255#pragma omp taskloop simd 256 for (ii = 0; (ii < 10); ii -= 0) 257 c[ii] = a[ii]; 258 259#pragma omp parallel 260// expected-note@+3 {{loop step is expected to be negative due to this condition}} 261// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 262#pragma omp taskloop simd 263 for (ii = 0; ii > 10; (ii += 0)) 264 c[ii] = a[ii]; 265 266#pragma omp parallel 267// expected-note@+3 {{loop step is expected to be positive due to this condition}} 268// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 269#pragma omp taskloop simd 270 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii)) 271 c[ii] = a[ii]; 272 273#pragma omp parallel 274// expected-note@+3 {{loop step is expected to be negative due to this condition}} 275// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}} 276#pragma omp taskloop simd 277 for ((ii = 0); ii > 10; (ii -= 0)) 278 c[ii] = a[ii]; 279 280#pragma omp parallel 281// expected-note@+3 {{loop step is expected to be positive due to this condition}} 282// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}} 283#pragma omp taskloop simd 284 for (ii = 0; (ii < 10); (ii -= 0)) 285 c[ii] = a[ii]; 286 287#pragma omp parallel 288// expected-note@+2 {{defined as firstprivate}} 289// expected-error@+2 {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be firstprivate, predetermined as linear}} 290#pragma omp taskloop simd firstprivate(ii) 291 for (ii = 0; ii < 10; ii++) 292 c[ii] = a[ii]; 293 294#pragma omp parallel 295#pragma omp taskloop simd linear(ii) 296 for (ii = 0; ii < 10; ii++) 297 c[ii] = a[ii]; 298 299// expected-note@+3 {{defined as private}} 300// expected-error@+3 {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be private, predetermined as linear}} 301#pragma omp parallel 302#pragma omp taskloop simd private(ii) 303 for (ii = 0; ii < 10; ii++) 304 c[ii] = a[ii]; 305 306// expected-note@+3 {{defined as lastprivate}} 307// expected-error@+3 {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be lastprivate, predetermined as linear}} 308#pragma omp parallel 309#pragma omp taskloop simd lastprivate(ii) 310 for (ii = 0; ii < 10; ii++) 311 c[ii] = a[ii]; 312 313#pragma omp parallel 314 { 315// expected-error@+2 {{loop iteration variable in the associated loop of 'omp taskloop simd' directive may not be threadprivate or thread local, predetermined as linear}} 316#pragma omp taskloop simd 317 for (sii = 0; sii < 10; sii += 1) 318 c[sii] = a[sii]; 319 } 320 321#pragma omp parallel 322 { 323#pragma omp taskloop simd 324 for (reg0 = 0; reg0 < 10; reg0 += 1) 325 c[reg0] = a[reg0]; 326 } 327 328#pragma omp parallel 329 { 330#pragma omp taskloop simd 331 for (reg = 0; reg < 10; reg += 1) 332 c[reg] = a[reg]; 333 } 334 335#pragma omp parallel 336 { 337#pragma omp taskloop simd 338 for (globalii = 0; globalii < 10; globalii += 1) 339 c[globalii] = a[globalii]; 340 } 341 342#pragma omp parallel 343 { 344#pragma omp taskloop simd collapse(2) 345 for (ii = 0; ii < 10; ii += 1) 346 for (globalii = 0; globalii < 10; globalii += 1) 347 c[globalii] += a[globalii] + ii; 348 } 349 350#pragma omp parallel 351// expected-error@+2 {{statement after '#pragma omp taskloop simd' must be a for loop}} 352#pragma omp taskloop simd 353 for (auto &item : a) { 354 item = item + 1; 355 } 356 357#pragma omp parallel 358// expected-note@+3 {{loop step is expected to be positive due to this condition}} 359// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}} 360#pragma omp taskloop simd 361 for (unsigned i = 9; i < 10; i--) { 362 c[i] = a[i] + b[i]; 363 } 364 365 int(*lb)[4] = nullptr; 366#pragma omp parallel 367#pragma omp taskloop simd 368 for (int(*p)[4] = lb; p < lb + 8; ++p) { 369 } 370 371#pragma omp parallel 372// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 373#pragma omp taskloop simd 374 for (int a{0}; a < 10; ++a) { 375 } 376 377 return 0; 378} 379 380// Iterators allowed in openmp for-loops. 381namespace std { 382struct random_access_iterator_tag {}; 383template <class Iter> 384struct iterator_traits { 385 typedef typename Iter::difference_type difference_type; 386 typedef typename Iter::iterator_category iterator_category; 387}; 388template <class Iter> 389typename iterator_traits<Iter>::difference_type 390distance(Iter first, Iter last) { return first - last; } 391} 392class Iter0 { 393public: 394 Iter0() {} 395 Iter0(const Iter0 &) {} 396 Iter0 operator++() { return *this; } 397 Iter0 operator--() { return *this; } 398 bool operator<(Iter0 a) { return true; } 399}; 400// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}} 401// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}} 402int operator-(Iter0 a, Iter0 b) { return 0; } 403class Iter1 { 404public: 405 Iter1(float f = 0.0f, double d = 0.0) {} 406 Iter1(const Iter1 &) {} 407 Iter1 operator++() { return *this; } 408 Iter1 operator--() { return *this; } 409 bool operator<(Iter1 a) { return true; } 410 bool operator>=(Iter1 a) { return false; } 411}; 412class GoodIter { 413public: 414 GoodIter() {} 415 GoodIter(const GoodIter &) {} 416 GoodIter(int fst, int snd) {} 417 GoodIter &operator=(const GoodIter &that) { return *this; } 418 GoodIter &operator=(const Iter0 &that) { return *this; } 419 GoodIter &operator+=(int x) { return *this; } 420 GoodIter &operator-=(int x) { return *this; } 421 explicit GoodIter(void *) {} 422 GoodIter operator++() { return *this; } 423 GoodIter operator--() { return *this; } 424 bool operator!() { return true; } 425 bool operator<(GoodIter a) { return true; } 426 bool operator<=(GoodIter a) { return true; } 427 bool operator>=(GoodIter a) { return false; } 428 typedef int difference_type; 429 typedef std::random_access_iterator_tag iterator_category; 430}; 431// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}} 432// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 433int operator-(GoodIter a, GoodIter b) { return 0; } 434// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}} 435GoodIter operator-(GoodIter a) { return a; } 436// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}} 437// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}} 438GoodIter operator-(GoodIter a, int v) { return GoodIter(); } 439// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}} 440GoodIter operator+(GoodIter a, int v) { return GoodIter(); } 441// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}} 442// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}} 443GoodIter operator-(int v, GoodIter a) { return GoodIter(); } 444// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}} 445GoodIter operator+(int v, GoodIter a) { return GoodIter(); } 446 447int test_with_random_access_iterator() { 448 GoodIter begin, end; 449 Iter0 begin0, end0; 450#pragma omp parallel 451#pragma omp taskloop simd 452 for (GoodIter I = begin; I < end; ++I) 453 ++I; 454#pragma omp parallel 455// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 456#pragma omp taskloop simd 457 for (GoodIter &I = begin; I < end; ++I) 458 ++I; 459#pragma omp parallel 460#pragma omp taskloop simd 461 for (GoodIter I = begin; I >= end; --I) 462 ++I; 463#pragma omp parallel 464// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 465#pragma omp taskloop simd 466 for (GoodIter I(begin); I < end; ++I) 467 ++I; 468#pragma omp parallel 469// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 470#pragma omp taskloop simd 471 for (GoodIter I(nullptr); I < end; ++I) 472 ++I; 473#pragma omp parallel 474// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 475#pragma omp taskloop simd 476 for (GoodIter I(0); I < end; ++I) 477 ++I; 478#pragma omp parallel 479// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 480#pragma omp taskloop simd 481 for (GoodIter I(1, 2); I < end; ++I) 482 ++I; 483#pragma omp parallel 484#pragma omp taskloop simd 485 for (begin = GoodIter(0); begin < end; ++begin) 486 ++begin; 487// expected-error@+4 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}} 488// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 489#pragma omp parallel 490#pragma omp taskloop simd 491 for (begin = begin0; begin < end; ++begin) 492 ++begin; 493#pragma omp parallel 494// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 495#pragma omp taskloop simd 496 for (++begin; begin < end; ++begin) 497 ++begin; 498#pragma omp parallel 499#pragma omp taskloop simd 500 for (begin = end; begin < end; ++begin) 501 ++begin; 502#pragma omp parallel 503// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 504#pragma omp taskloop simd 505 for (GoodIter I = begin; I - I; ++I) 506 ++I; 507#pragma omp parallel 508// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 509#pragma omp taskloop simd 510 for (GoodIter I = begin; begin < end; ++I) 511 ++I; 512#pragma omp parallel 513// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} 514#pragma omp taskloop simd 515 for (GoodIter I = begin; !I; ++I) 516 ++I; 517#pragma omp parallel 518// expected-note@+3 {{loop step is expected to be negative due to this condition}} 519// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 520#pragma omp taskloop simd 521 for (GoodIter I = begin; I >= end; I = I + 1) 522 ++I; 523#pragma omp parallel 524#pragma omp taskloop simd 525 for (GoodIter I = begin; I >= end; I = I - 1) 526 ++I; 527#pragma omp parallel 528// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 529#pragma omp taskloop simd 530 for (GoodIter I = begin; I >= end; I = -I) 531 ++I; 532#pragma omp parallel 533// expected-note@+3 {{loop step is expected to be negative due to this condition}} 534// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 535#pragma omp taskloop simd 536 for (GoodIter I = begin; I >= end; I = 2 + I) 537 ++I; 538#pragma omp parallel 539// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}} 540#pragma omp taskloop simd 541 for (GoodIter I = begin; I >= end; I = 2 - I) 542 ++I; 543// In the following example, we cannot update the loop variable using '+=' 544// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}} 545#pragma omp parallel 546#pragma omp taskloop simd 547 for (Iter0 I = begin0; I < end0; ++I) 548 ++I; 549#pragma omp parallel 550// Initializer is constructor without params. 551// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}} 552// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 553#pragma omp taskloop simd 554 for (Iter0 I; I < end0; ++I) 555 ++I; 556 Iter1 begin1, end1; 557// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'Iter1')}} 558// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 559#pragma omp parallel 560#pragma omp taskloop simd 561 for (Iter1 I = begin1; I < end1; ++I) 562 ++I; 563#pragma omp parallel 564// expected-note@+3 {{loop step is expected to be negative due to this condition}} 565// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 566#pragma omp taskloop simd 567 for (Iter1 I = begin1; I >= end1; ++I) 568 ++I; 569#pragma omp parallel 570// expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}} 571// expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}} 572// Initializer is constructor with all default params. 573// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}} 574#pragma omp taskloop simd 575 for (Iter1 I; I < end1; ++I) { 576 } 577 return 0; 578} 579 580template <typename IT, int ST> 581class TC { 582public: 583 int dotest_lt(IT begin, IT end) { 584#pragma omp parallel 585// expected-note@+3 {{loop step is expected to be positive due to this condition}} 586// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 587#pragma omp taskloop simd 588 for (IT I = begin; I < end; I = I + ST) { 589 ++I; 590 } 591#pragma omp parallel 592// expected-note@+3 {{loop step is expected to be positive due to this condition}} 593// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}} 594#pragma omp taskloop simd 595 for (IT I = begin; I <= end; I += ST) { 596 ++I; 597 } 598#pragma omp parallel 599#pragma omp taskloop simd 600 for (IT I = begin; I < end; ++I) { 601 ++I; 602 } 603 } 604 605 static IT step() { 606 return IT(ST); 607 } 608}; 609template <typename IT, int ST = 0> 610int dotest_gt(IT begin, IT end) { 611#pragma omp parallel 612// expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 613// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 614#pragma omp taskloop simd 615 for (IT I = begin; I >= end; I = I + ST) { 616 ++I; 617 } 618#pragma omp parallel 619// expected-note@+3 2 {{loop step is expected to be negative due to this condition}} 620// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 621#pragma omp taskloop simd 622 for (IT I = begin; I >= end; I += ST) { 623 ++I; 624 } 625 626#pragma omp parallel 627// expected-note@+3 {{loop step is expected to be negative due to this condition}} 628// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}} 629#pragma omp taskloop simd 630 for (IT I = begin; I >= end; ++I) { 631 ++I; 632 } 633 634#pragma omp parallel 635#pragma omp taskloop simd 636 for (IT I = begin; I < end; I += TC<int, ST>::step()) { 637 ++I; 638 } 639} 640 641void test_with_template() { 642 GoodIter begin, end; 643 TC<GoodIter, 100> t1; 644 TC<GoodIter, -100> t2; 645 t1.dotest_lt(begin, end); 646 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}} 647 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}} 648 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}} 649} 650 651void test_loop_break() { 652 const int N = 100; 653 float a[N], b[N], c[N]; 654#pragma omp parallel 655#pragma omp taskloop simd 656 for (int i = 0; i < 10; i++) { 657 c[i] = a[i] + b[i]; 658 for (int j = 0; j < 10; ++j) { 659 if (a[i] > b[j]) 660 break; // OK in nested loop 661 } 662 switch (i) { 663 case 1: 664 b[i]++; 665 break; 666 default: 667 break; 668 } 669 if (c[i] > 10) 670 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 671 672 if (c[i] > 11) 673 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 674 } 675 676#pragma omp parallel 677#pragma omp taskloop simd 678 for (int i = 0; i < 10; i++) { 679 for (int j = 0; j < 10; j++) { 680 c[i] = a[i] + b[i]; 681 if (c[i] > 10) { 682 if (c[i] < 20) { 683 break; // OK 684 } 685 } 686 } 687 } 688} 689 690void test_loop_eh() { 691 const int N = 100; 692 float a[N], b[N], c[N]; 693#pragma omp parallel 694#pragma omp taskloop simd 695 for (int i = 0; i < 10; i++) { 696 c[i] = a[i] + b[i]; 697 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}} 698 for (int j = 0; j < 10; ++j) { 699 if (a[i] > b[j]) 700 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 701 } 702 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 703 } catch (float f) { 704 if (f > 0.1) 705 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 706 return; // expected-error {{cannot return from OpenMP region}} 707 } 708 switch (i) { 709 case 1: 710 b[i]++; 711 break; 712 default: 713 break; 714 } 715 for (int j = 0; j < 10; j++) { 716 if (c[i] > 10) 717 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}} 718 } 719 } 720 if (c[9] > 10) 721 throw c[9]; // OK 722 723#pragma omp parallel 724#pragma omp taskloop simd 725 for (int i = 0; i < 10; ++i) { 726 struct S { 727 void g() { throw 0; } 728 }; 729 } 730} 731 732void test_loop_firstprivate_lastprivate() { 733 S s(4); 734#pragma omp parallel 735#pragma omp taskloop simd lastprivate(s) firstprivate(s) 736 for (int i = 0; i < 16; ++i) 737 ; 738} 739 740