627 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 distribute simd28 for (int i = 0; i < 10; i += 1) {29 c[i] = a[i] + b[i];30 }31#pragma omp target teams distribute simd32 for (char i = 0; i < 10; i++) {33 c[i] = a[i] + b[i];34 }35#pragma omp target teams distribute simd36 for (char i = 0; i < 10; i += '\1') {37 c[i] = a[i] + b[i];38 }39#pragma omp target teams distribute simd40 for (long long i = 0; i < 10; i++) {41 c[i] = a[i] + b[i];42 }43#pragma omp target teams distribute simd44// 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 distribute simd49 for (long long i = 0; i < 'z'; i += 1u) {50 c[i] = a[i] + b[i];51 }52#pragma omp target teams distribute simd53// 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 distribute simd58// 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 distribute simd63// 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 distribute simd67// 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 distribute simd72// 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 distribute simd77// 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 distribute simd82// 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 distribute simd88// 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 distribute simd93// Ok to skip parenthesises.94 for (((ii)) = 0; ii < 10; ++ii)95 c[ii] = a[ii];96 97#pragma omp target teams distribute simd98// omp4-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on 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; jj < kk; ii++)100 c[i] = a[i];101 102#pragma omp target teams distribute simd103// 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'}}104 for (int i = 0; !!i; i++)105 c[i] = a[i];106 107// omp4-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}108#pragma omp target teams distribute simd109 for (int i = 0; i != 1; i++)110 c[i] = a[i];111 112#pragma omp target teams distribute simd113// 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'}}114 for (int i = 0;; i++)115 c[i] = a[i];116 117// Ok.118#pragma omp target teams distribute simd119 for (int i = 11; i > 10; i--)120 c[i] = a[i];121 122// Ok.123#pragma omp target teams distribute simd124 for (int i = 0; i < 10; ++i)125 c[i] = a[i];126 127// Ok.128#pragma omp target teams distribute simd129 for (ii = 0; ii < 10; ++ii)130 c[ii] = a[ii];131 132#pragma omp target teams distribute simd133// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}134 for (ii = 0; ii < 10; ++jj)135 c[ii] = a[jj];136 137#pragma omp target teams distribute simd138// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}139 for (ii = 0; ii < 10; ++++ii)140 c[ii] = a[ii];141 142// Ok but undefined behavior (in general, cannot check that incr143// is really loop-invariant).144#pragma omp target teams distribute simd145 for (ii = 0; ii < 10; ii = ii + ii)146 c[ii] = a[ii];147 148#pragma omp target teams distribute simd149// expected-error@+1 {{expression must have integral or unscoped enumeration type, not 'float'}}150 for (ii = 0; ii < 10; ii = ii + 1.0f)151 c[ii] = a[ii];152 153// Ok - step was converted to integer type.154#pragma omp target teams distribute simd155 for (ii = 0; ii < 10; ii = ii + (int)1.1f)156 c[ii] = a[ii];157 158#pragma omp target teams distribute simd159// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}160 for (ii = 0; ii < 10; jj = ii + 2)161 c[ii] = a[ii];162 163#pragma omp target teams distribute simd164// expected-warning@+2 {{relational comparison result unused}}165// 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> kk + 2)167 c[ii] = a[ii];168 169#pragma omp target teams distribute simd170// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}171 for (ii = 0; ii < 10;)172 c[ii] = a[ii];173 174#pragma omp target teams distribute simd175// expected-warning@+2 {{expression result unused}}176// 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; !ii)178 c[ii] = a[ii];179 180#pragma omp target teams distribute simd181// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}182 for (ii = 0; ii < 10; ii ? ++ii : ++jj)183 c[ii] = a[ii];184 185#pragma omp target teams distribute simd186// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}187 for (ii = 0; ii < 10; ii = ii < 10)188 c[ii] = a[ii];189 190#pragma omp target teams distribute simd191// expected-note@+2 {{loop step is expected to be positive due to this condition}}192// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}193 for (ii = 0; ii < 10; ii = ii + 0)194 c[ii] = a[ii];195 196#pragma omp target teams distribute simd197// 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 + (int)(0.8 - 0.45))200 c[ii] = a[ii];201 202#pragma omp target teams distribute simd203// 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 -= 25)206 c[ii] = a[ii];207 208#pragma omp target teams distribute simd209// 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 -= 0)212 c[ii] = a[ii];213 214#pragma omp target teams distribute simd215// expected-note@+2 {{loop step is expected to be negative due to this condition}}216// expected-error@+1 {{increment expression must cause 'ii' to decrease 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 distribute simd221// expected-note@+2 {{loop step is expected to be positive due to this condition}}222// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}223 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))224 c[ii] = a[ii];225 226#pragma omp target teams distribute simd227// expected-note@+2 {{loop step is expected to be negative due to this condition}}228// expected-error@+1 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}229 for ((ii = 0); ii > 10; (ii -= 0))230 c[ii] = a[ii];231 232#pragma omp target teams distribute simd233// expected-note@+2 {{loop step is expected to be positive due to this condition}}234// expected-error@+1 {{increment expression must cause 'ii' to increase 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 distribute simd firstprivate(ii) // expected-note {{defined as firstprivate}}239// expected-error@+1 {{loop iteration variable in the associated loop of 'omp target teams distribute simd' directive may not be firstprivate, predetermined as linear}}240 for (ii = 0; ii < 10; ii++)241 c[ii] = a[ii];242 243#pragma omp target teams distribute simd private(ii) // omp4-note {{defined as private}}244// omp4-error@+1 {{loop iteration variable in the associated loop of 'omp target teams distribute simd' directive may not be private, predetermined as linear}}245 for (ii = 0; ii < 10; ii++)246 c[ii] = a[ii];247 248#pragma omp target teams distribute simd lastprivate(ii) // omp4-note {{defined as lastprivate}}249// omp4-error@+1 {{loop iteration variable in the associated loop of 'omp target teams distribute simd' directive may not be lastprivate, predetermined as linear}}250 for (ii = 0; ii < 10; ii++)251 c[ii] = a[ii];252 253#pragma omp target teams distribute simd254// 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}}255 for (sii = 0; sii < 10; sii++)256 c[sii] = a[sii];257 258 {259#pragma omp target teams distribute simd collapse(2)260 for (ii = 0; ii < 10; ii += 1)261 for (globalii = 0; globalii < 10; globalii += 1)262 c[globalii] += a[globalii] + ii;263 }264 265#pragma omp target teams distribute simd266// omp4-error@+1 {{statement after '#pragma omp target teams distribute simd' must be a for loop}}267 for (auto &item : a) {268 item = item + 1;269 }270 271#pragma omp target teams distribute simd272// expected-note@+2 {{loop step is expected to be positive due to this condition}}273// expected-error@+1 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}274 for (unsigned i = 9; i < 10; i--) {275 c[i] = a[i] + b[i];276 }277 278 int(*lb)[4] = nullptr;279#pragma omp target teams distribute simd280 for (int(*p)[4] = lb; p < lb + 8; ++p) {281 }282 283#pragma omp target teams distribute simd284// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}285 for (int a{0}; a < 10; ++a) {286 }287 288 return 0;289}290 291// Iterators allowed in openmp for-loops.292namespace std {293struct random_access_iterator_tag {};294template <class Iter>295struct iterator_traits {296 typedef typename Iter::difference_type difference_type;297 typedef typename Iter::iterator_category iterator_category;298};299template <class Iter>300typename iterator_traits<Iter>::difference_type301distance(Iter first, Iter last) { return first - last; }302}303class Iter0 {304public:305 Iter0() {}306 Iter0(const Iter0 &) {}307 Iter0 operator++() { return *this; }308 Iter0 operator--() { return *this; }309 bool operator<(Iter0 a) { return true; }310};311// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}312// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}313int operator-(Iter0 a, Iter0 b) { return 0; }314class Iter1 {315public:316 Iter1(float f = 0.0f, double d = 0.0) {}317 Iter1(const Iter1 &) {}318 Iter1 operator++() { return *this; }319 Iter1 operator--() { return *this; }320 bool operator<(Iter1 a) { return true; }321 bool operator>=(Iter1 a) { return false; }322};323class GoodIter {324public:325 GoodIter() {}326 GoodIter(const GoodIter &) {}327 GoodIter(int fst, int snd) {}328 GoodIter &operator=(const GoodIter &that) { return *this; }329 GoodIter &operator=(const Iter0 &that) { return *this; }330 GoodIter &operator+=(int x) { return *this; }331 explicit GoodIter(void *) {}332 GoodIter operator++() { return *this; }333 GoodIter operator--() { return *this; }334 bool operator!() { return true; }335 bool operator<(GoodIter a) { return true; }336 bool operator<=(GoodIter a) { return true; }337 bool operator>=(GoodIter a) { return false; }338 typedef int difference_type;339 typedef std::random_access_iterator_tag iterator_category;340};341// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}342// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}343int operator-(GoodIter a, GoodIter b) { return 0; }344// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}345GoodIter operator-(GoodIter a) { return a; }346// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}347// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}348GoodIter operator-(GoodIter a, int v) { return GoodIter(); }349// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}350GoodIter operator+(GoodIter a, int v) { return GoodIter(); }351// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}352// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}353GoodIter operator-(int v, GoodIter a) { return GoodIter(); }354// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}355GoodIter operator+(int v, GoodIter a) { return GoodIter(); }356 357int test_with_random_access_iterator() {358 GoodIter begin, end;359 Iter0 begin0, end0;360#pragma omp target teams distribute simd361 for (GoodIter I = begin; I < end; ++I)362 ++I;363#pragma omp target teams distribute simd364// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}365 for (GoodIter &I = begin; I < end; ++I)366 ++I;367#pragma omp target teams distribute simd368 for (GoodIter I = begin; I >= end; --I)369 ++I;370#pragma omp target teams distribute simd371// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}372 for (GoodIter I(begin); I < end; ++I)373 ++I;374#pragma omp target teams distribute simd375// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}376 for (GoodIter I(nullptr); I < end; ++I)377 ++I;378#pragma omp target teams distribute simd379// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}380 for (GoodIter I(0); I < end; ++I)381 ++I;382#pragma omp target teams distribute simd383// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}384 for (GoodIter I(1, 2); I < end; ++I)385 ++I;386#pragma omp target teams distribute simd387 for (begin = GoodIter(0); begin < end; ++begin)388 ++begin;389#pragma omp target teams distribute simd390// expected-error@+2 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}391// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}392 for (begin = begin0; begin < end; ++begin)393 ++begin;394#pragma omp target teams distribute simd395// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}396 for (++begin; begin < end; ++begin)397 ++begin;398#pragma omp target teams distribute simd399 for (begin = end; begin < end; ++begin)400 ++begin;401#pragma omp target teams distribute simd402// 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'}}403 for (GoodIter I = begin; I - I; ++I)404 ++I;405#pragma omp target teams distribute simd406// 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'}}407 for (GoodIter I = begin; begin < end; ++I)408 ++I;409#pragma omp target teams distribute simd410// 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'}}411 for (GoodIter I = begin; !I; ++I)412 ++I;413#pragma omp target teams distribute simd414// expected-note@+2 {{loop step is expected to be negative due to this condition}}415// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}416 for (GoodIter I = begin; I >= end; I = I + 1)417 ++I;418#pragma omp target teams distribute simd419 for (GoodIter I = begin; I >= end; I = I - 1)420 ++I;421#pragma omp target teams distribute simd422// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}423 for (GoodIter I = begin; I >= end; I = -I)424 ++I;425#pragma omp target teams distribute simd426// expected-note@+2 {{loop step is expected to be negative due to this condition}}427// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}428 for (GoodIter I = begin; I >= end; I = 2 + I)429 ++I;430#pragma omp target teams distribute simd431// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}432 for (GoodIter I = begin; I >= end; I = 2 - I)433 ++I;434#pragma omp target teams distribute simd435// expected-error@+1 {{invalid operands to binary expression ('Iter0' and 'int')}}436 for (Iter0 I = begin0; I < end0; ++I)437 ++I;438#pragma omp target teams distribute simd439// Initializer is constructor without params.440// expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}}441// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}442 for (Iter0 I; I < end0; ++I)443 ++I;444 Iter1 begin1, end1;445#pragma omp target teams distribute simd446// expected-error@+2 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}447// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}448 for (Iter1 I = begin1; I < end1; ++I)449 ++I;450#pragma omp target teams distribute simd451// expected-note@+2 {{loop step is expected to be negative due to this condition}}452// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}453 for (Iter1 I = begin1; I >= end1; ++I)454 ++I;455#pragma omp target teams distribute simd456// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'float')}}457// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}458// Initializer is constructor with all default params.459// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}460 for (Iter1 I; I < end1; ++I) {461 }462 return 0;463}464 465template <typename IT, int ST>466class TC {467public:468 int dotest_lt(IT begin, IT end) {469#pragma omp target teams distribute simd470// expected-note@+2 {{loop step is expected to be positive due to this condition}}471// expected-error@+1 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}472 for (IT I = begin; I < end; I = I + ST) {473 ++I;474 }475#pragma omp target teams distribute simd476// 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 += ST) {479 ++I;480 }481#pragma omp target teams distribute simd482 for (IT I = begin; I < end; ++I) {483 ++I;484 }485 }486 487 static IT step() {488 return IT(ST);489 }490};491template <typename IT, int ST = 0>492int dotest_gt(IT begin, IT end) {493#pragma omp target teams distribute simd494// expected-note@+2 2 {{loop step is expected to be negative due to this condition}}495// expected-error@+1 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}496 for (IT I = begin; I >= end; I = I + ST) {497 ++I;498 }499#pragma omp target teams distribute simd500// 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 += ST) {503 ++I;504 }505 506#pragma omp target teams distribute simd507// expected-note@+2 {{loop step is expected to be negative due to this condition}}508// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}509 for (IT I = begin; I >= end; ++I) {510 ++I;511 }512 513#pragma omp target teams distribute simd514 for (IT I = begin; I < end; I += TC<int, ST>::step()) {515 ++I;516 }517}518 519void test_with_template() {520 GoodIter begin, end;521 TC<GoodIter, 100> t1;522 TC<GoodIter, -100> t2;523 t1.dotest_lt(begin, end);524 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}525 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}526 dotest_gt<unsigned, 10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, 10>' requested here}}527}528 529void test_loop_break() {530 const int N = 100;531 float a[N], b[N], c[N];532#pragma omp target teams distribute simd533 for (int i = 0; i < 10; i++) {534 c[i] = a[i] + b[i];535 for (int j = 0; j < 10; ++j) {536 if (a[i] > b[j])537 break; // OK in nested loop538 }539 switch (i) {540 case 1:541 b[i]++;542 break;543 default:544 break;545 }546 if (c[i] > 10)547 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}548 549 if (c[i] > 11)550 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}551 }552 553#pragma omp target teams distribute simd554 for (int i = 0; i < 10; i++) {555 for (int j = 0; j < 10; j++) {556 c[i] = a[i] + b[i];557 if (c[i] > 10) {558 if (c[i] < 20) {559 break; // OK560 }561 }562 }563 }564}565 566void test_loop_eh() {567 const int N = 100;568 float a[N], b[N], c[N];569#pragma omp target teams distribute simd570 for (int i = 0; i < 10; i++) {571 c[i] = a[i] + b[i];572 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}573 for (int j = 0; j < 10; ++j) {574 if (a[i] > b[j])575 throw a[i]; // expected-error {{throw' statement cannot be used in OpenMP simd region}}576 }577 throw a[i]; // expected-error {{throw' statement cannot be used in OpenMP simd region}}578 } catch (float f) {579 if (f > 0.1)580 throw a[i]; // expected-error {{throw' statement cannot be used in OpenMP simd region}}581 return; // expected-error {{cannot return from OpenMP region}}582 }583 switch (i) {584 case 1:585 b[i]++;586 break;587 default:588 break;589 }590 for (int j = 0; j < 10; j++) {591 if (c[i] > 10)592 throw c[i]; // expected-error {{throw' statement cannot be used in OpenMP simd region}}593 }594 }595 if (c[9] > 10)596 throw c[9]; // OK597 598#pragma omp target teams distribute simd599 for (int i = 0; i < 10; ++i) {600 struct S {601 void g() { throw 0; }602 };603 }604}605 606void test_loop_firstprivate_lastprivate() {607 S s(4);608// expected-error@+1 {{lastprivate variable cannot be firstprivate}} expected-note@+1 {{defined as lastprivate}}609#pragma omp target teams distribute simd lastprivate(s) firstprivate(s) // expected-error {{calling a private constructor of class 'S'}}610 for (int i = 0; i < 16; ++i)611 ;612}613 614void test_ordered() {615#pragma omp target teams distribute simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute simd'}}616 for (int i = 0; i < 16; ++i)617 ;618}619 620void test_nowait() {621// expected-error@+1 {{directive '#pragma omp target teams distribute simd' cannot contain more than one 'nowait' clause}}622#pragma omp target teams distribute simd nowait nowait623 for (int i = 0; i < 16; ++i)624 ;625}626 627