626 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp4 %s -Wno-openmp-mapping -Wuninitialized2// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp5 %s -Wno-openmp-mapping -Wuninitialized3 4// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp4 %s -Wno-openmp-mapping -Wuninitialized5// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp5 %s -Wno-openmp-mapping -Wuninitialized6 7class S {8 int a;9 S() : a(0) {} // expected-note {{implicitly declared private here}}10 11public:12 S(int v) : a(v) {}13 S(const S &s) : a(s.a) {}14};15 16static int sii;17// expected-note@+1 {{defined as threadprivate or thread local}}18#pragma omp threadprivate(sii)19static int globalii;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#pragma omp target teams distribute28 for (int i = 0; i < 10; i += 1) {29 c[i] = a[i] + b[i];30 }31#pragma omp target teams distribute32 for (char i = 0; i < 10; i++) {33 c[i] = a[i] + b[i];34 }35#pragma omp target teams distribute36 for (char i = 0; i < 10; i += '\1') {37 c[i] = a[i] + b[i];38 }39#pragma omp target teams distribute40 for (long long i = 0; i < 10; i++) {41 c[i] = a[i] + b[i];42 }43#pragma omp target teams distribute44// expected-error@+1 {{expression must have integral or unscoped enumeration type, not 'double'}}45 for (long long i = 0; i < 10; i += 1.5) {46 c[i] = a[i] + b[i];47 }48#pragma omp target teams distribute49 for (long long i = 0; i < 'z'; i += 1u) {50 c[i] = a[i] + b[i];51 }52#pragma omp target teams distribute53// expected-error@+1 {{variable must be of integer or random access iterator type}}54 for (float fi = 0; fi < 10.0; fi++) {55 c[(int)fi] = a[(int)fi] + b[(int)fi];56 }57#pragma omp target teams distribute58// expected-error@+1 {{variable must be of integer or random access iterator type}}59 for (double fi = 0; fi < 10.0; fi++) {60 c[(int)fi] = a[(int)fi] + b[(int)fi];61 }62#pragma omp target teams distribute63// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}64 for (int &ref = ii; ref < 10; ref++) {65 }66#pragma omp target teams distribute67// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}68 for (int i; i < 10; i++)69 c[i] = a[i];70 71#pragma omp target teams distribute72// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}73 for (int i = 0, j = 0; i < 10; ++i)74 c[i] = a[i];75 76#pragma omp target teams distribute77// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}78 for (; ii < 10; ++ii)79 c[ii] = a[ii];80 81#pragma omp target teams distribute82// expected-warning@+2 {{expression result unused}}83// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}84 for (ii + 1; ii < 10; ++ii)85 c[ii] = a[ii];86 87#pragma omp target teams distribute88// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}89 for (c[ii] = 0; ii < 10; ++ii)90 c[ii] = a[ii];91 92#pragma omp target teams distribute93// Ok to skip parenthesises.94 for (((ii)) = 0; ii < 10; ++ii)95 c[ii] = a[ii];96 97#pragma omp target teams distribute98// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}99 for (int i = 0; i; i++)100 c[i] = a[i];101 102#pragma omp target teams distribute103// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}104// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}105 for (int i = 0; jj < kk; ii++)106 c[i] = a[i];107 108#pragma omp target teams distribute109// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}110 for (int i = 0; !!i; i++)111 c[i] = a[i];112 113// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}114#pragma omp target teams distribute115 for (int i = 0; i != 1; i++)116 c[i] = a[i];117 118#pragma omp target teams distribute119// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}120 for (int i = 0;; i++)121 c[i] = a[i];122 123// Ok.124#pragma omp target teams distribute125 for (int i = 11; i > 10; i--)126 c[i] = a[i];127 128// Ok.129#pragma omp target teams distribute130 for (int i = 0; i < 10; ++i)131 c[i] = a[i];132 133// Ok.134#pragma omp target teams distribute135 for (ii = 0; ii < 10; ++ii)136 c[ii] = a[ii];137 138#pragma omp target teams distribute139// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}140 for (ii = 0; ii < 10; ++jj)141 c[ii] = a[jj];142 143#pragma omp target teams distribute144// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}145 for (ii = 0; ii < 10; ++++ii)146 c[ii] = a[ii];147 148// Ok but undefined behavior (in general, cannot check that incr149// is really loop-invariant).150#pragma omp target teams distribute151 for (ii = 0; ii < 10; ii = ii + ii)152 c[ii] = a[ii];153 154#pragma omp target teams distribute155// expected-error@+1 {{expression must have integral or unscoped enumeration type, not 'float'}}156 for (ii = 0; ii < 10; ii = ii + 1.0f)157 c[ii] = a[ii];158 159// Ok - step was converted to integer type.160#pragma omp target teams distribute161 for (ii = 0; ii < 10; ii = ii + (int)1.1f)162 c[ii] = a[ii];163 164#pragma omp target teams distribute165// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}166 for (ii = 0; ii < 10; jj = ii + 2)167 c[ii] = a[ii];168 169#pragma omp target teams distribute170// expected-warning@+2 {{relational comparison result unused}}171// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}172 for (ii = 0; ii<10; jj> kk + 2)173 c[ii] = a[ii];174 175#pragma omp target teams distribute176// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}177 for (ii = 0; ii < 10;)178 c[ii] = a[ii];179 180#pragma omp target teams distribute181// expected-warning@+2 {{expression result unused}}182// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}183 for (ii = 0; ii < 10; !ii)184 c[ii] = a[ii];185 186#pragma omp target teams distribute187// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}188 for (ii = 0; ii < 10; ii ? ++ii : ++jj)189 c[ii] = a[ii];190 191#pragma omp target teams distribute192// 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; ii = ii < 10)194 c[ii] = a[ii];195 196#pragma omp target teams distribute197// expected-note@+2 {{loop step is expected to be positive due to this condition}}198// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}199 for (ii = 0; ii < 10; ii = ii + 0)200 c[ii] = a[ii];201 202#pragma omp target teams distribute203// expected-note@+2 {{loop step is expected to be positive due to this condition}}204// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}205 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))206 c[ii] = a[ii];207 208#pragma omp target teams distribute209// expected-note@+2 {{loop step is expected to be positive due to this condition}}210// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}211 for (ii = 0; (ii) < 10; ii -= 25)212 c[ii] = a[ii];213 214#pragma omp target teams distribute215// expected-note@+2 {{loop step is expected to be positive due to this condition}}216// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}217 for (ii = 0; (ii < 10); ii -= 0)218 c[ii] = a[ii];219 220#pragma omp target teams distribute221// expected-note@+2 {{loop step is expected to be negative due to this condition}}222// expected-error@+1 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}223 for (ii = 0; ii > 10; (ii += 0))224 c[ii] = a[ii];225 226#pragma omp target teams distribute227// expected-note@+2 {{loop step is expected to be positive due to this condition}}228// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}229 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))230 c[ii] = a[ii];231 232#pragma omp target teams distribute233// expected-note@+2 {{loop step is expected to be negative due to this condition}}234// expected-error@+1 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}235 for ((ii = 0); ii > 10; (ii -= 0))236 c[ii] = a[ii];237 238#pragma omp target teams distribute239// expected-note@+2 {{loop step is expected to be positive due to this condition}}240// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}241 for (ii = 0; (ii < 10); (ii -= 0))242 c[ii] = a[ii];243 244#pragma omp target teams distribute firstprivate(ii) // expected-note {{defined as firstprivate}}245// expected-error@+1 {{loop iteration variable in the associated loop of 'omp target teams distribute' directive may not be firstprivate, predetermined as private}}246 for (ii = 0; ii < 10; ii++)247 c[ii] = a[ii];248 249#pragma omp target teams distribute private(ii)250// OK251 for (ii = 0; ii < 10; ii++)252 c[ii] = a[ii];253 254#pragma omp target teams distribute lastprivate(ii)255// OK256 for (ii = 0; ii < 10; ii++)257 c[ii] = a[ii];258 259#pragma omp target teams distribute260// expected-error@+1 {{loop iteration variable in the associated loop of 'omp target teams distribute' directive may not be threadprivate or thread local, predetermined as private}}261 for (sii = 0; sii < 10; sii++)262 c[sii] = a[sii];263 264 {265#pragma omp target teams distribute collapse(2)266 for (ii = 0; ii < 10; ii += 1)267 for (globalii = 0; globalii < 10; globalii += 1)268 c[globalii] += a[globalii] + ii;269 }270 271#pragma omp target teams distribute272// omp4-error@+1 {{statement after '#pragma omp target teams distribute' must be a for loop}}273 for (auto &item : a) {274 item = item + 1;275 }276 277#pragma omp target teams distribute278// expected-note@+2 {{loop step is expected to be positive due to this condition}}279// expected-error@+1 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}280 for (unsigned i = 9; i < 10; i--) {281 c[i] = a[i] + b[i];282 }283 284 int(*lb)[4] = nullptr;285#pragma omp target teams distribute286 for (int(*p)[4] = lb; p < lb + 8; ++p) {287 }288 289#pragma omp target teams distribute290// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}291 for (int a{0}; a < 10; ++a) {292 }293 294 return 0;295}296 297// Iterators allowed in openmp for-loops.298namespace std {299struct random_access_iterator_tag {};300template <class Iter>301struct iterator_traits {302 typedef typename Iter::difference_type difference_type;303 typedef typename Iter::iterator_category iterator_category;304};305template <class Iter>306typename iterator_traits<Iter>::difference_type307distance(Iter first, Iter last) { return first - last; }308}309class Iter0 {310public:311 Iter0() {}312 Iter0(const Iter0 &) {}313 Iter0 operator++() { return *this; }314 Iter0 operator--() { return *this; }315 bool operator<(Iter0 a) { return true; }316};317// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}318// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}319int operator-(Iter0 a, Iter0 b) { return 0; }320class Iter1 {321public:322 Iter1(float f = 0.0f, double d = 0.0) {}323 Iter1(const Iter1 &) {}324 Iter1 operator++() { return *this; }325 Iter1 operator--() { return *this; }326 bool operator<(Iter1 a) { return true; }327 bool operator>=(Iter1 a) { return false; }328};329class GoodIter {330public:331 GoodIter() {}332 GoodIter(const GoodIter &) {}333 GoodIter(int fst, int snd) {}334 GoodIter &operator=(const GoodIter &that) { return *this; }335 GoodIter &operator=(const Iter0 &that) { return *this; }336 GoodIter &operator+=(int x) { return *this; }337 explicit GoodIter(void *) {}338 GoodIter operator++() { return *this; }339 GoodIter operator--() { return *this; }340 bool operator!() { return true; }341 bool operator<(GoodIter a) { return true; }342 bool operator<=(GoodIter a) { return true; }343 bool operator>=(GoodIter a) { return false; }344 typedef int difference_type;345 typedef std::random_access_iterator_tag iterator_category;346};347// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}348// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}349int operator-(GoodIter a, GoodIter b) { return 0; }350// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}351GoodIter operator-(GoodIter a) { return a; }352// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}353// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}354GoodIter operator-(GoodIter a, int v) { return GoodIter(); }355// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}356GoodIter operator+(GoodIter a, int v) { return GoodIter(); }357// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}358// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}359GoodIter operator-(int v, GoodIter a) { return GoodIter(); }360// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}361GoodIter operator+(int v, GoodIter a) { return GoodIter(); }362 363int test_with_random_access_iterator() {364 GoodIter begin, end;365 Iter0 begin0, end0;366#pragma omp target teams distribute367 for (GoodIter I = begin; I < end; ++I)368 ++I;369#pragma omp target teams distribute370// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}371 for (GoodIter &I = begin; I < end; ++I)372 ++I;373#pragma omp target teams distribute374 for (GoodIter I = begin; I >= end; --I)375 ++I;376#pragma omp target teams distribute377// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}378 for (GoodIter I(begin); I < end; ++I)379 ++I;380#pragma omp target teams distribute381// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}382 for (GoodIter I(nullptr); I < end; ++I)383 ++I;384#pragma omp target teams distribute385// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}386 for (GoodIter I(0); I < end; ++I)387 ++I;388#pragma omp target teams distribute389// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}390 for (GoodIter I(1, 2); I < end; ++I)391 ++I;392#pragma omp target teams distribute393 for (begin = GoodIter(0); begin < end; ++begin)394 ++begin;395#pragma omp target teams distribute396// expected-error@+2 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}397// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}398 for (begin = begin0; begin < end; ++begin)399 ++begin;400#pragma omp target teams distribute401// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}402 for (++begin; begin < end; ++begin)403 ++begin;404#pragma omp target teams distribute405 for (begin = end; begin < end; ++begin)406 ++begin;407#pragma omp target teams distribute408// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}409 for (GoodIter I = begin; I - I; ++I)410 ++I;411#pragma omp target teams distribute412// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}413 for (GoodIter I = begin; begin < end; ++I)414 ++I;415#pragma omp target teams distribute416// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp5-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}417 for (GoodIter I = begin; !I; ++I)418 ++I;419#pragma omp target teams distribute420// expected-note@+2 {{loop step is expected to be negative due to this condition}}421// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}422 for (GoodIter I = begin; I >= end; I = I + 1)423 ++I;424#pragma omp target teams distribute425 for (GoodIter I = begin; I >= end; I = I - 1)426 ++I;427#pragma omp target teams distribute428// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}429 for (GoodIter I = begin; I >= end; I = -I)430 ++I;431#pragma omp target teams distribute432// expected-note@+2 {{loop step is expected to be negative due to this condition}}433// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}434 for (GoodIter I = begin; I >= end; I = 2 + I)435 ++I;436#pragma omp target teams distribute437// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}438 for (GoodIter I = begin; I >= end; I = 2 - I)439 ++I;440#pragma omp target teams distribute441// expected-error@+1 {{invalid operands to binary expression ('Iter0' and 'int')}}442 for (Iter0 I = begin0; I < end0; ++I)443 ++I;444#pragma omp target teams distribute445// Initializer is constructor without params.446// expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}}447// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}448 for (Iter0 I; I < end0; ++I)449 ++I;450 Iter1 begin1, end1;451#pragma omp target teams distribute452// expected-error@+2 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}453// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}454 for (Iter1 I = begin1; I < end1; ++I)455 ++I;456#pragma omp target teams distribute457// expected-note@+2 {{loop step is expected to be negative due to this condition}}458// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}459 for (Iter1 I = begin1; I >= end1; ++I)460 ++I;461#pragma omp target teams distribute462// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'float')}}463// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}464// Initializer is constructor with all default params.465// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}466 for (Iter1 I; I < end1; ++I) {467 }468 return 0;469}470 471template <typename IT, int ST>472class TC {473public:474 int dotest_lt(IT begin, IT end) {475#pragma omp target teams distribute476// expected-note@+2 {{loop step is expected to be positive due to this condition}}477// expected-error@+1 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}478 for (IT I = begin; I < end; I = I + ST) {479 ++I;480 }481#pragma omp target teams distribute482// expected-note@+2 {{loop step is expected to be positive due to this condition}}483// expected-error@+1 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}484 for (IT I = begin; I <= end; I += ST) {485 ++I;486 }487#pragma omp target teams distribute488 for (IT I = begin; I < end; ++I) {489 ++I;490 }491 }492 493 static IT step() {494 return IT(ST);495 }496};497template <typename IT, int ST = 0>498int dotest_gt(IT begin, IT end) {499#pragma omp target teams distribute500// expected-note@+2 2 {{loop step is expected to be negative due to this condition}}501// expected-error@+1 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}502 for (IT I = begin; I >= end; I = I + ST) {503 ++I;504 }505#pragma omp target teams distribute506// expected-note@+2 2 {{loop step is expected to be negative due to this condition}}507// expected-error@+1 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}508 for (IT I = begin; I >= end; I += ST) {509 ++I;510 }511 512#pragma omp target teams distribute513// expected-note@+2 {{loop step is expected to be negative due to this condition}}514// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}515 for (IT I = begin; I >= end; ++I) {516 ++I;517 }518 519#pragma omp target teams distribute520 for (IT I = begin; I < end; I += TC<int, ST>::step()) {521 ++I;522 }523}524 525void test_with_template() {526 GoodIter begin, end;527 TC<GoodIter, 100> t1;528 TC<GoodIter, -100> t2;529 t1.dotest_lt(begin, end);530 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}531 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}532 dotest_gt<unsigned, 10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, 10>' requested here}}533}534 535void test_loop_break() {536 const int N = 100;537 float a[N], b[N], c[N];538#pragma omp target teams distribute539 for (int i = 0; i < 10; i++) {540 c[i] = a[i] + b[i];541 for (int j = 0; j < 10; ++j) {542 if (a[i] > b[j])543 break; // OK in nested loop544 }545 switch (i) {546 case 1:547 b[i]++;548 break;549 default:550 break;551 }552 if (c[i] > 10)553 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}554 555 if (c[i] > 11)556 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}557 }558 559#pragma omp target teams distribute560 for (int i = 0; i < 10; i++) {561 for (int j = 0; j < 10; j++) {562 c[i] = a[i] + b[i];563 if (c[i] > 10) {564 if (c[i] < 20) {565 break; // OK566 }567 }568 }569 }570}571 572void test_loop_eh() {573 const int N = 100;574 float a[N], b[N], c[N];575#pragma omp target teams distribute576 for (int i = 0; i < 10; i++) {577 c[i] = a[i] + b[i];578 try { // OK579 for (int j = 0; j < 10; ++j) {580 if (a[i] > b[j])581 throw a[i]; // OK582 }583 throw a[i]; // OK584 } catch (float f) {585 if (f > 0.1)586 throw a[i]; // OK587 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]; // OK599 }600 }601 if (c[9] > 10)602 throw c[9]; // OK603 604#pragma omp target teams distribute605 for (int i = 0; i < 10; ++i) {606 struct S {607 void g() { throw 0; }608 };609 }610}611 612void test_loop_firstprivate_lastprivate() {613 S s(4);614// expected-error@+1 {{lastprivate variable cannot be firstprivate}} expected-note@+1 {{defined as lastprivate}}615#pragma omp target teams distribute lastprivate(s) firstprivate(s) // expected-error {{calling a private constructor of class 'S'}}616 for (int i = 0; i < 16; ++i)617 ;618}619 620void test_ordered() {621#pragma omp target teams distribute ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute'}}622 for (int i = 0; i < 16; ++i)623 ;624}625 626