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