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