666 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp45 %s -Wno-openmp-mapping -Wuninitialized2// RUN: %clang_cc1 -fsyntax-only -fopenmp -fopenmp-version=50 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp50 %s -Wno-openmp-mapping -Wuninitialized3// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp51 %s -Wno-openmp-mapping -Wuninitialized4 5// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp45 %s -Wno-openmp-mapping -Wuninitialized6// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp50 %s -Wno-openmp-mapping -Wuninitialized7// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify=expected,omp51 %s -Wno-openmp-mapping -Wuninitialized8 9class S {10 int a;11 S() : a(0) {}12 13public:14 S(int v) : a(v) {}15 S(const S &s) : a(s.a) {}16};17 18static int sii;19// expected-note@+1 {{defined as threadprivate or thread local}}20#pragma omp threadprivate(sii)21static int globalii;22 23int test_iteration_spaces() {24 const int N = 100;25 float a[N], b[N], c[N];26 int ii, jj, kk;27 float fii;28 double dii;29#pragma omp target parallel for simd30 for (int i = 0; i < 10; i += 1) {31 c[i] = a[i] + b[i];32 }33#pragma omp target parallel for simd34 for (char i = 0; i < 10; i++) {35 c[i] = a[i] + b[i];36 }37#pragma omp target parallel for simd38 for (char i = 0; i < 10; i += '\1') {39 c[i] = a[i] + b[i];40 }41#pragma omp target parallel for simd42 for (long long i = 0; i < 10; i++) {43 c[i] = a[i] + b[i];44 }45// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}46#pragma omp target parallel for simd47 for (long long i = 0; i < 10; i += 1.5) {48 c[i] = a[i] + b[i];49 }50#pragma omp target parallel for simd51 for (long long i = 0; i < 'z'; i += 1u) {52 c[i] = a[i] + b[i];53 }54// expected-error@+2 {{variable must be of integer or random access iterator type}}55#pragma omp target parallel for simd56 for (float fi = 0; fi < 10.0; fi++) {57 c[(int)fi] = a[(int)fi] + b[(int)fi];58 }59// expected-error@+2 {{variable must be of integer or random access iterator type}}60#pragma omp target parallel for simd61 for (double fi = 0; fi < 10.0; fi++) {62 c[(int)fi] = a[(int)fi] + b[(int)fi];63 }64// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}65#pragma omp target parallel for simd66 for (int &ref = ii; ref < 10; ref++) {67 }68// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}69#pragma omp target parallel for simd70 for (int i; i < 10; i++)71 c[i] = a[i];72 73// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}74#pragma omp target parallel for simd75 for (int i = 0, j = 0; i < 10; ++i)76 c[i] = a[i];77 78// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}79#pragma omp target parallel for simd80 for (; ii < 10; ++ii)81 c[ii] = a[ii];82 83// expected-warning@+3 {{expression result unused}}84// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}85#pragma omp target parallel for simd86 for (ii + 1; ii < 10; ++ii)87 c[ii] = a[ii];88 89// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}90#pragma omp target parallel for simd91 for (c[ii] = 0; ii < 10; ++ii)92 c[ii] = a[ii];93 94// Ok to skip parenthesises.95#pragma omp target parallel for simd96 for (((ii)) = 0; ii < 10; ++ii)97 c[ii] = a[ii];98 99// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}100#pragma omp target parallel for simd101 for (int i = 0; i; i++)102 c[i] = a[i];103 104// omp45-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp50-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}} omp51-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}105// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}106#pragma omp target parallel for simd107 for (int i = 0; jj < kk; ii++)108 c[i] = a[i];109 110// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}111#pragma omp target parallel for simd112 for (int i = 0; !!i; i++)113 c[i] = a[i];114 115// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}116#pragma omp target parallel for simd117 for (int i = 0; i != 1; i++)118 c[i] = a[i];119 120// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}121#pragma omp target parallel for simd122 for (int i = 0;; i++)123 c[i] = a[i];124 125// Ok.126#pragma omp target parallel for simd127 for (int i = 11; i > 10; i--)128 c[i] = a[i];129 130// Ok.131#pragma omp target parallel for simd132 for (int i = 0; i < 10; ++i)133 c[i] = a[i];134 135// Ok.136#pragma omp target parallel for simd137 for (ii = 0; ii < 10; ++ii)138 c[ii] = a[ii];139 140// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}141#pragma omp target parallel for simd142 for (ii = 0; ii < 10; ++jj)143 c[ii] = a[jj];144 145// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}146#pragma omp target parallel for simd147 for (ii = 0; ii < 10; ++++ii)148 c[ii] = a[ii];149 150// Ok but undefined behavior (in general, cannot check that incr151// is really loop-invariant).152#pragma omp target parallel for simd153 for (ii = 0; ii < 10; ii = ii + ii)154 c[ii] = a[ii];155 156// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}157#pragma omp target parallel for simd158 for (ii = 0; ii < 10; ii = ii + 1.0f)159 c[ii] = a[ii];160 161// Ok - step was converted to integer type.162#pragma omp target parallel for simd163 for (ii = 0; ii < 10; ii = ii + (int)1.1f)164 c[ii] = a[ii];165 166// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}167#pragma omp target parallel for simd168 for (ii = 0; ii < 10; jj = ii + 2)169 c[ii] = a[ii];170 171// expected-warning@+3 {{relational comparison result unused}}172// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}173#pragma omp target parallel for simd174 for (ii = 0; ii<10; jj> kk + 2)175 c[ii] = a[ii];176 177// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}178#pragma omp target parallel for simd179 for (ii = 0; ii < 10;)180 c[ii] = a[ii];181 182// expected-warning@+3 {{expression result unused}}183// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}184#pragma omp target parallel for simd185 for (ii = 0; ii < 10; !ii)186 c[ii] = a[ii];187 188// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}189#pragma omp target parallel for simd190 for (ii = 0; ii < 10; ii ? ++ii : ++jj)191 c[ii] = a[ii];192 193// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}194#pragma omp target parallel for simd195 for (ii = 0; ii < 10; ii = ii < 10)196 c[ii] = a[ii];197 198// expected-note@+3 {{loop step is expected to be positive due to this condition}}199// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}200#pragma omp target parallel for simd201 for (ii = 0; ii < 10; ii = ii + 0)202 c[ii] = a[ii];203 204// expected-note@+3 {{loop step is expected to be positive due to this condition}}205// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}206#pragma omp target parallel for simd207 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))208 c[ii] = a[ii];209 210// expected-note@+3 {{loop step is expected to be positive due to this condition}}211// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}212#pragma omp target parallel for simd213 for (ii = 0; (ii) < 10; ii -= 25)214 c[ii] = a[ii];215 216// expected-note@+3 {{loop step is expected to be positive due to this condition}}217// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}218#pragma omp target parallel for simd219 for (ii = 0; (ii < 10); ii -= 0)220 c[ii] = a[ii];221 222// expected-note@+3 {{loop step is expected to be negative due to this condition}}223// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}224#pragma omp target parallel for simd225 for (ii = 0; ii > 10; (ii += 0))226 c[ii] = a[ii];227 228// expected-note@+3 {{loop step is expected to be positive due to this condition}}229// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}230#pragma omp target parallel for simd231 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))232 c[ii] = a[ii];233 234// expected-note@+3 {{loop step is expected to be negative due to this condition}}235// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}236#pragma omp target parallel for simd237 for ((ii = 0); ii > 10; (ii -= 0))238 c[ii] = a[ii];239 240// expected-note@+3 {{loop step is expected to be positive due to this condition}}241// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}242#pragma omp target parallel for simd243 for (ii = 0; (ii < 10); (ii -= 0))244 c[ii] = a[ii];245 246// expected-note@+2 {{defined as firstprivate}}247// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be firstprivate, predetermined as linear}}248#pragma omp target parallel for simd firstprivate(ii)249 for (ii = 0; ii < 10; ii++)250 c[ii] = a[ii];251 252#pragma omp target parallel for simd linear(ii)253 for (ii = 0; ii < 10; ii++)254 c[ii] = a[ii];255 256// omp45-note@+2 {{defined as private}}257// omp45-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be private, predetermined as linear}}258#pragma omp target parallel for simd private(ii)259 for (ii = 0; ii < 10; ii++)260 c[ii] = a[ii];261 262// omp45-note@+2 {{defined as lastprivate}}263// omp45-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be lastprivate, predetermined as linear}}264#pragma omp target parallel for simd lastprivate(ii)265 for (ii = 0; ii < 10; ii++)266 c[ii] = a[ii];267 268 {269// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target parallel for simd' directive may not be threadprivate or thread local, predetermined as linear}}270#pragma omp target parallel for simd271 for (sii = 0; sii < 10; sii += 1)272 c[sii] = a[sii];273 }274 275 {276#pragma omp target parallel for simd277 for (globalii = 0; globalii < 10; globalii += 1)278 c[globalii] = a[globalii];279 }280 281 {282#pragma omp target parallel for simd collapse(2)283 for (ii = 0; ii < 10; ii += 1)284 for (globalii = 0; globalii < 10; globalii += 1)285 c[globalii] += a[globalii] + ii;286 }287 288// omp45-error@+2 {{statement after '#pragma omp target parallel for simd' must be a for loop}}289#pragma omp target parallel for simd290 for (auto &item : a) {291 item = item + 1;292 }293 294// expected-note@+3 {{loop step is expected to be positive due to this condition}}295// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}296#pragma omp target parallel for simd297 for (unsigned i = 9; i < 10; i--) {298 c[i] = a[i] + b[i];299 }300 301 int(*lb)[4] = nullptr;302#pragma omp target parallel for simd303 for (int(*p)[4] = lb; p < lb + 8; ++p) {304 }305 306// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}307#pragma omp target parallel for simd308 for (int a{0}; a < 10; ++a) {309 }310 311 return 0;312}313 314// Iterators allowed in openmp for-loops.315namespace std {316struct random_access_iterator_tag {};317template <class Iter>318struct iterator_traits {319 typedef typename Iter::difference_type difference_type;320 typedef typename Iter::iterator_category iterator_category;321};322template <class Iter>323typename iterator_traits<Iter>::difference_type324distance(Iter first, Iter last) { return first - last; }325}326class Iter0 {327public:328 Iter0() {}329 Iter0(const Iter0 &) {}330 Iter0 operator++() { return *this; }331 Iter0 operator--() { return *this; }332 bool operator<(Iter0 a) { return true; }333};334// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}335// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}336int operator-(Iter0 a, Iter0 b) { return 0; }337class Iter1 {338public:339 Iter1(float f = 0.0f, double d = 0.0) {}340 Iter1(const Iter1 &) {}341 Iter1 operator++() { return *this; }342 Iter1 operator--() { return *this; }343 bool operator<(Iter1 a) { return true; }344 bool operator>=(Iter1 a) { return false; }345};346class GoodIter {347public:348 GoodIter() {}349 GoodIter(const GoodIter &) {}350 GoodIter(int fst, int snd) {}351 GoodIter &operator=(const GoodIter &that) { return *this; }352 GoodIter &operator=(const Iter0 &that) { return *this; }353 GoodIter &operator+=(int x) { return *this; }354 GoodIter &operator-=(int x) { return *this; }355 explicit GoodIter(void *) {}356 GoodIter operator++() { return *this; }357 GoodIter operator--() { return *this; }358 bool operator!() { return true; }359 bool operator<(GoodIter a) { return true; }360 bool operator<=(GoodIter a) { return true; }361 bool operator>=(GoodIter a) { return false; }362 typedef int difference_type;363 typedef std::random_access_iterator_tag iterator_category;364};365// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}366// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}367int operator-(GoodIter a, GoodIter b) { return 0; }368// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}369GoodIter operator-(GoodIter a) { return a; }370// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}371// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}372GoodIter operator-(GoodIter a, int v) { return GoodIter(); }373// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}374GoodIter operator+(GoodIter a, int v) { return GoodIter(); }375// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}376// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}377GoodIter operator-(int v, GoodIter a) { return GoodIter(); }378// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}379GoodIter operator+(int v, GoodIter a) { return GoodIter(); }380 381int test_with_random_access_iterator() {382 GoodIter begin, end;383 Iter0 begin0, end0;384#pragma omp target parallel for simd385 for (GoodIter I = begin; I < end; ++I)386 ++I;387// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}388#pragma omp target parallel for simd389 for (GoodIter &I = begin; I < end; ++I)390 ++I;391#pragma omp target parallel for simd392 for (GoodIter I = begin; I >= end; --I)393 ++I;394// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}395#pragma omp target parallel for simd396 for (GoodIter I(begin); I < end; ++I)397 ++I;398// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}399#pragma omp target parallel for simd400 for (GoodIter I(nullptr); I < end; ++I)401 ++I;402// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}403#pragma omp target parallel for simd404 for (GoodIter I(0); I < end; ++I)405 ++I;406// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}407#pragma omp target parallel for simd408 for (GoodIter I(1, 2); I < end; ++I)409 ++I;410#pragma omp target parallel for simd411 for (begin = GoodIter(0); begin < end; ++begin)412 ++begin;413// expected-error@+3 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}414// expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}415#pragma omp target parallel for simd416 for (begin = begin0; begin < end; ++begin)417 ++begin;418// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}419#pragma omp target parallel for simd420 for (++begin; begin < end; ++begin)421 ++begin;422#pragma omp target parallel for simd423 for (begin = end; begin < end; ++begin)424 ++begin;425// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}426#pragma omp target parallel for simd427 for (GoodIter I = begin; I - I; ++I)428 ++I;429// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}430#pragma omp target parallel for simd431 for (GoodIter I = begin; begin < end; ++I)432 ++I;433// omp45-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}} omp50-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}} omp51-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'I'}}434#pragma omp target parallel for simd435 for (GoodIter I = begin; !I; ++I)436 ++I;437// expected-note@+3 {{loop step is expected to be negative due to this condition}}438// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}439#pragma omp target parallel for simd440 for (GoodIter I = begin; I >= end; I = I + 1)441 ++I;442#pragma omp target parallel for simd443 for (GoodIter I = begin; I >= end; I = I - 1)444 ++I;445// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}446#pragma omp target parallel for simd447 for (GoodIter I = begin; I >= end; I = -I)448 ++I;449// expected-note@+3 {{loop step is expected to be negative due to this condition}}450// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}451#pragma omp target parallel for simd452 for (GoodIter I = begin; I >= end; I = 2 + I)453 ++I;454// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}455#pragma omp target parallel for simd456 for (GoodIter I = begin; I >= end; I = 2 - I)457 ++I;458// expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}}459#pragma omp target parallel for simd460 for (Iter0 I = begin0; I < end0; ++I)461 ++I;462// Initializer is constructor without params.463// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}464// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}465#pragma omp target parallel for simd466 for (Iter0 I; I < end0; ++I)467 ++I;468 Iter1 begin1, end1;469// expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}470// expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}471#pragma omp target parallel for simd472 for (Iter1 I = begin1; I < end1; ++I)473 ++I;474// expected-note@+3 {{loop step is expected to be negative due to this condition}}475// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}476#pragma omp target parallel for simd477 for (Iter1 I = begin1; I >= end1; ++I)478 ++I;479// expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}}480// expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}481// Initializer is constructor with all default params.482// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}483#pragma omp target parallel for simd484 for (Iter1 I; I < end1; ++I) {485 }486 return 0;487}488 489template <typename IT, int ST>490class TC {491public:492 int dotest_lt(IT begin, IT end) {493// expected-note@+3 {{loop step is expected to be positive due to this condition}}494// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}495#pragma omp target parallel for simd496 for (IT I = begin; I < end; I = I + ST) {497 ++I;498 }499// expected-note@+3 {{loop step is expected to be positive due to this condition}}500// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}501#pragma omp target parallel for simd502 for (IT I = begin; I <= end; I += ST) {503 ++I;504 }505#pragma omp target parallel for simd506 for (IT I = begin; I < end; ++I) {507 ++I;508 }509 }510 511 static IT step() {512 return IT(ST);513 }514};515template <typename IT, int ST = 0>516int dotest_gt(IT begin, IT end) {517// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}518// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}519#pragma omp target parallel for simd520 for (IT I = begin; I >= end; I = I + ST) {521 ++I;522 }523// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}524// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}525#pragma omp target parallel for simd526 for (IT I = begin; I >= end; I += ST) {527 ++I;528 }529 530// expected-note@+3 {{loop step is expected to be negative due to this condition}}531// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}532#pragma omp target parallel for simd533 for (IT I = begin; I >= end; ++I) {534 ++I;535 }536 537#pragma omp target parallel for simd538 for (IT I = begin; I < end; I += TC<int, ST>::step()) {539 ++I;540 }541}542 543void test_with_template() {544 GoodIter begin, end;545 TC<GoodIter, 100> t1;546 TC<GoodIter, -100> t2;547 t1.dotest_lt(begin, end);548 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}549 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}550 dotest_gt<unsigned, 10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, 10>' requested here}}551}552 553void test_loop_break() {554 const int N = 100;555 float a[N], b[N], c[N];556#pragma omp target parallel for simd557 for (int i = 0; i < 10; i++) {558 c[i] = a[i] + b[i];559 for (int j = 0; j < 10; ++j) {560 if (a[i] > b[j])561 break; // OK in nested loop562 }563 switch (i) {564 case 1:565 b[i]++;566 break;567 default:568 break;569 }570 if (c[i] > 10)571 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}572 573 if (c[i] > 11)574 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}575 }576 577#pragma omp target parallel for simd578 for (int i = 0; i < 10; i++) {579 for (int j = 0; j < 10; j++) {580 c[i] = a[i] + b[i];581 if (c[i] > 10) {582 if (c[i] < 20) {583 break; // OK584 }585 }586 }587 }588}589 590void test_loop_eh() {591 const int N = 100;592 float a[N], b[N], c[N];593#pragma omp target parallel for simd594 for (int i = 0; i < 10; i++) {595 c[i] = a[i] + b[i];596 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}597 for (int j = 0; j < 10; ++j) {598 if (a[i] > b[j])599 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}600 }601 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}602 } catch (float f) {603 if (f > 0.1)604 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}605 return; // expected-error {{cannot return from OpenMP region}}606 }607 switch (i) {608 case 1:609 b[i]++;610 break;611 default:612 break;613 }614 for (int j = 0; j < 10; j++) {615 if (c[i] > 10)616 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}617 }618 }619 if (c[9] > 10)620 throw c[9]; // OK621 622#pragma omp target parallel for simd623 for (int i = 0; i < 10; ++i) {624 struct S {625 void g() { throw 0; }626 };627 }628}629 630void test_loop_firstprivate_lastprivate() {631 S s(4);632#pragma omp target parallel for simd lastprivate(s) firstprivate(s)633 for (int i = 0; i < 16; ++i)634 ;635#pragma omp target parallel for simd order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} expected-error {{expected '(' after 'order'}}636 for (int i = 0; i < 10; ++i)637 ;638#pragma omp target parallel for simd order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}639 for (int i = 0; i < 10; ++i)640 ;641#pragma omp target parallel for simd order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}642 for (int i = 0; i < 10; ++i)643 ;644#pragma omp target parallel for simd order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} expected-error {{expected ')'}} expected-note {{to match this '('}}645 for (int i = 0; i < 10; ++i)646 ;647#pragma omp target parallel for simd order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}}648 for (int i = 0; i < 10; ++i)649 ;650#pragma omp target parallel for simd order(unconstrained:) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}651 for (int i = 0; i < 10; ++i)652 ;653#pragma omp target parallel for simd order(reproducible:concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}654 for (int i = 0; i < 10; ++i)655 ;656#pragma omp target parallel for simd order(reproducible:concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}657 for (int i = 0; i < 10; ++i)658 ;659#pragma omp target parallel for simd order(unconstrained:concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}660 for (int i = 0; i < 10; ++i)661 ;662#pragma omp target parallel for simd order(concurrent) order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp target parallel for simd'}} omp51-error {{directive '#pragma omp target parallel for simd' cannot contain more than one 'order' clause}}663 for (int i = 0; i < 10; ++i)664 ;665}666