1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
2
3 class S {
4 int a;
S()5 S() : a(0) {}
6
7 public:
S(int v)8 S(int v) : a(v) {}
S(const S & s)9 S(const S &s) : a(s.a) {}
10 };
11
12 static int sii;
13 #pragma omp threadprivate(sii) // expected-note {{defined as threadprivate or thread local}}
14
test_iteration_spaces()15 int test_iteration_spaces() {
16 const int N = 100;
17 float a[N], b[N], c[N];
18 int ii, jj, kk;
19 float fii;
20 double dii;
21 #pragma omp parallel for
22 for (int i = 0; i < 10; i += 1) {
23 c[i] = a[i] + b[i];
24 }
25 #pragma omp parallel for
26 for (char i = 0; i < 10; i++) {
27 c[i] = a[i] + b[i];
28 }
29 #pragma omp parallel for
30 for (char i = 0; i < 10; i += '\1') {
31 c[i] = a[i] + b[i];
32 }
33 #pragma omp parallel for
34 for (long long i = 0; i < 10; i++) {
35 c[i] = a[i] + b[i];
36 }
37 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}
38 #pragma omp parallel for
39 for (long long i = 0; i < 10; i += 1.5) {
40 c[i] = a[i] + b[i];
41 }
42 #pragma omp parallel for
43 for (long long i = 0; i < 'z'; i += 1u) {
44 c[i] = a[i] + b[i];
45 }
46 // expected-error@+2 {{variable must be of integer or random access iterator type}}
47 #pragma omp parallel for
48 for (float fi = 0; fi < 10.0; fi++) {
49 c[(int)fi] = a[(int)fi] + b[(int)fi];
50 }
51 // expected-error@+2 {{variable must be of integer or random access iterator type}}
52 #pragma omp parallel for
53 for (double fi = 0; fi < 10.0; fi++) {
54 c[(int)fi] = a[(int)fi] + b[(int)fi];
55 }
56 // expected-error@+2 {{variable must be of integer or random access iterator type}}
57 #pragma omp parallel for
58 for (int &ref = ii; ref < 10; ref++) {
59 }
60 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
61 #pragma omp parallel for
62 for (int i; i < 10; i++)
63 c[i] = a[i];
64
65 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
66 #pragma omp parallel for
67 for (int i = 0, j = 0; i < 10; ++i)
68 c[i] = a[i];
69
70 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
71 #pragma omp parallel for
72 for (; ii < 10; ++ii)
73 c[ii] = a[ii];
74
75 // expected-warning@+3 {{expression result unused}}
76 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
77 #pragma omp parallel for
78 for (ii + 1; ii < 10; ++ii)
79 c[ii] = a[ii];
80
81 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
82 #pragma omp parallel for
83 for (c[ii] = 0; ii < 10; ++ii)
84 c[ii] = a[ii];
85
86 // Ok to skip parenthesises.
87 #pragma omp parallel for
88 for (((ii)) = 0; ii < 10; ++ii)
89 c[ii] = a[ii];
90
91 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
92 #pragma omp parallel for
93 for (int i = 0; i; i++)
94 c[i] = a[i];
95
96 // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
97 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
98 #pragma omp parallel for
99 for (int i = 0; jj < kk; ii++)
100 c[i] = a[i];
101
102 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
103 #pragma omp parallel for
104 for (int i = 0; !!i; i++)
105 c[i] = a[i];
106
107 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
108 #pragma omp parallel for
109 for (int i = 0; i != 1; i++)
110 c[i] = a[i];
111
112 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
113 #pragma omp parallel for
114 for (int i = 0;; i++)
115 c[i] = a[i];
116
117 // Ok.
118 #pragma omp parallel for
119 for (int i = 11; i > 10; i--)
120 c[i] = a[i];
121
122 // Ok.
123 #pragma omp parallel for
124 for (int i = 0; i < 10; ++i)
125 c[i] = a[i];
126
127 // Ok.
128 #pragma omp parallel for
129 for (ii = 0; ii < 10; ++ii)
130 c[ii] = a[ii];
131
132 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
133 #pragma omp parallel for
134 for (ii = 0; ii < 10; ++jj)
135 c[ii] = a[jj];
136
137 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
138 #pragma omp parallel for
139 for (ii = 0; ii < 10; ++++ii)
140 c[ii] = a[ii];
141
142 // Ok but undefined behavior (in general, cannot check that incr
143 // is really loop-invariant).
144 #pragma omp parallel for
145 for (ii = 0; ii < 10; ii = ii + ii)
146 c[ii] = a[ii];
147
148 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}
149 #pragma omp parallel for
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 parallel for
155 for (ii = 0; ii < 10; ii = ii + (int)1.1f)
156 c[ii] = a[ii];
157
158 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
159 #pragma omp parallel for
160 for (ii = 0; ii < 10; jj = ii + 2)
161 c[ii] = a[ii];
162
163 // expected-warning@+3 {{relational comparison result unused}}
164 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
165 #pragma omp parallel for
166 for (ii = 0; ii<10; jj> kk + 2)
167 c[ii] = a[ii];
168
169 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
170 #pragma omp parallel for
171 for (ii = 0; ii < 10;)
172 c[ii] = a[ii];
173
174 // expected-warning@+3 {{expression result unused}}
175 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
176 #pragma omp parallel for
177 for (ii = 0; ii < 10; !ii)
178 c[ii] = a[ii];
179
180 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
181 #pragma omp parallel for
182 for (ii = 0; ii < 10; ii ? ++ii : ++jj)
183 c[ii] = a[ii];
184
185 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
186 #pragma omp parallel for
187 for (ii = 0; ii < 10; ii = ii < 10)
188 c[ii] = a[ii];
189
190 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
191 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
192 #pragma omp parallel for
193 for (ii = 0; ii < 10; ii = ii + 0)
194 c[ii] = a[ii];
195
196 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
197 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
198 #pragma omp parallel for
199 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
200 c[ii] = a[ii];
201
202 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
203 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
204 #pragma omp parallel for
205 for (ii = 0; (ii) < 10; ii -= 25)
206 c[ii] = a[ii];
207
208 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
209 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
210 #pragma omp parallel for
211 for (ii = 0; (ii < 10); ii -= 0)
212 c[ii] = a[ii];
213
214 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
215 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
216 #pragma omp parallel for
217 for (ii = 0; ii > 10; (ii += 0))
218 c[ii] = a[ii];
219
220 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
221 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
222 #pragma omp parallel for
223 for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))
224 c[ii] = a[ii];
225
226 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
227 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
228 #pragma omp parallel for
229 for ((ii = 0); ii > 10; (ii -= 0))
230 c[ii] = a[ii];
231
232 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
233 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
234 #pragma omp parallel for
235 for (ii = 0; (ii < 10); (ii -= 0))
236 c[ii] = a[ii];
237
238 // expected-note@+2 {{defined as firstprivate}}
239 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
240 #pragma omp parallel for firstprivate(ii)
241 for (ii = 0; ii < 10; ii++)
242 c[ii] = a[ii];
243
244 // expected-error@+3 {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel for'}}
245 // expected-note@+2 {{defined as linear}}
246 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be linear, predetermined as private}}
247 #pragma omp parallel for linear(ii)
248 for (ii = 0; ii < 10; ii++)
249 c[ii] = a[ii];
250
251 #pragma omp parallel for private(ii)
252 for (ii = 0; ii < 10; ii++)
253 c[ii] = a[ii];
254
255 #pragma omp parallel for lastprivate(ii)
256 for (ii = 0; ii < 10; ii++)
257 c[ii] = a[ii];
258
259 {
260 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be threadprivate or thread local, predetermined as private}}
261 #pragma omp parallel for
262 for (sii = 0; sii < 10; sii += 1)
263 c[sii] = a[sii];
264 }
265
266 // expected-error@+2 {{statement after '#pragma omp parallel for' must be a for loop}}
267 #pragma omp parallel for
268 for (auto &item : a) {
269 item = item + 1;
270 }
271
272 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
273 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
274 #pragma omp parallel for
275 for (unsigned i = 9; i < 10; i--) {
276 c[i] = a[i] + b[i];
277 }
278
279 int(*lb)[4] = nullptr;
280 #pragma omp parallel for
281 for (int(*p)[4] = lb; p < lb + 8; ++p) {
282 }
283
284 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
285 #pragma omp parallel for
286 for (int a{0}; a < 10; ++a) {
287 }
288
289 return 0;
290 }
291
292 // Iterators allowed in openmp for-loops.
293 namespace std {
294 struct random_access_iterator_tag {};
295 template <class Iter>
296 struct iterator_traits {
297 typedef typename Iter::difference_type difference_type;
298 typedef typename Iter::iterator_category iterator_category;
299 };
300 template <class Iter>
301 typename iterator_traits<Iter>::difference_type
distance(Iter first,Iter last)302 distance(Iter first, Iter last) { return first - last; }
303 }
304 class Iter0 {
305 public:
Iter0()306 Iter0() {}
Iter0(const Iter0 &)307 Iter0(const Iter0 &) {}
operator ++()308 Iter0 operator++() { return *this; }
operator --()309 Iter0 operator--() { return *this; }
operator <(Iter0 a)310 bool operator<(Iter0 a) { return true; }
311 };
operator -(Iter0 a,Iter0 b)312 int operator-(Iter0 a, Iter0 b) { return 0; }
313 class Iter1 {
314 public:
Iter1(float f=0.0f,double d=0.0)315 Iter1(float f = 0.0f, double d = 0.0) {}
Iter1(const Iter1 &)316 Iter1(const Iter1 &) {}
operator ++()317 Iter1 operator++() { return *this; }
operator --()318 Iter1 operator--() { return *this; }
operator <(Iter1 a)319 bool operator<(Iter1 a) { return true; }
operator >=(Iter1 a)320 bool operator>=(Iter1 a) { return false; }
321 };
322 class GoodIter {
323 public:
GoodIter()324 GoodIter() {}
GoodIter(const GoodIter &)325 GoodIter(const GoodIter &) {}
GoodIter(int fst,int snd)326 GoodIter(int fst, int snd) {}
operator =(const GoodIter & that)327 GoodIter &operator=(const GoodIter &that) { return *this; }
operator =(const Iter0 & that)328 GoodIter &operator=(const Iter0 &that) { return *this; }
operator +=(int x)329 GoodIter &operator+=(int x) { return *this; }
GoodIter(void *)330 explicit GoodIter(void *) {}
operator ++()331 GoodIter operator++() { return *this; }
operator --()332 GoodIter operator--() { return *this; }
operator !()333 bool operator!() { return true; }
operator <(GoodIter a)334 bool operator<(GoodIter a) { return true; }
operator <=(GoodIter a)335 bool operator<=(GoodIter a) { return true; }
operator >=(GoodIter a)336 bool operator>=(GoodIter a) { return false; }
337 typedef int difference_type;
338 typedef std::random_access_iterator_tag iterator_category;
339 };
operator -(GoodIter a,GoodIter b)340 int operator-(GoodIter a, GoodIter b) { return 0; }
operator -(GoodIter a)341 GoodIter operator-(GoodIter a) { return a; }
operator -(GoodIter a,int v)342 GoodIter operator-(GoodIter a, int v) { return GoodIter(); }
operator +(GoodIter a,int v)343 GoodIter operator+(GoodIter a, int v) { return GoodIter(); }
operator -(int v,GoodIter a)344 GoodIter operator-(int v, GoodIter a) { return GoodIter(); }
operator +(int v,GoodIter a)345 GoodIter operator+(int v, GoodIter a) { return GoodIter(); }
346
test_with_random_access_iterator()347 int test_with_random_access_iterator() {
348 GoodIter begin, end;
349 Iter0 begin0, end0;
350 #pragma omp parallel for
351 for (GoodIter I = begin; I < end; ++I)
352 ++I;
353 // expected-error@+2 {{variable must be of integer or random access iterator type}}
354 #pragma omp parallel for
355 for (GoodIter &I = begin; I < end; ++I)
356 ++I;
357 #pragma omp parallel for
358 for (GoodIter I = begin; I >= end; --I)
359 ++I;
360 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
361 #pragma omp parallel for
362 for (GoodIter I(begin); I < end; ++I)
363 ++I;
364 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
365 #pragma omp parallel for
366 for (GoodIter I(nullptr); I < end; ++I)
367 ++I;
368 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
369 #pragma omp parallel for
370 for (GoodIter I(0); I < end; ++I)
371 ++I;
372 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
373 #pragma omp parallel for
374 for (GoodIter I(1, 2); I < end; ++I)
375 ++I;
376 #pragma omp parallel for
377 for (begin = GoodIter(0); begin < end; ++begin)
378 ++begin;
379 #pragma omp parallel for
380 for (begin = begin0; begin < end; ++begin)
381 ++begin;
382 // expected-error@+2 {{initialization clause of OpenMP for loop must be of the form 'var = init' or 'T var = init'}}
383 #pragma omp parallel for
384 for (++begin; begin < end; ++begin)
385 ++begin;
386 #pragma omp parallel for
387 for (begin = end; begin < end; ++begin)
388 ++begin;
389 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
390 #pragma omp parallel for
391 for (GoodIter I = begin; I - I; ++I)
392 ++I;
393 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
394 #pragma omp parallel for
395 for (GoodIter I = begin; begin < end; ++I)
396 ++I;
397 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
398 #pragma omp parallel for
399 for (GoodIter I = begin; !I; ++I)
400 ++I;
401 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
402 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
403 #pragma omp parallel for
404 for (GoodIter I = begin; I >= end; I = I + 1)
405 ++I;
406 #pragma omp parallel for
407 for (GoodIter I = begin; I >= end; I = I - 1)
408 ++I;
409 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
410 #pragma omp parallel for
411 for (GoodIter I = begin; I >= end; I = -I)
412 ++I;
413 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
414 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
415 #pragma omp parallel for
416 for (GoodIter I = begin; I >= end; I = 2 + I)
417 ++I;
418 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
419 #pragma omp parallel for
420 for (GoodIter I = begin; I >= end; I = 2 - I)
421 ++I;
422 #pragma omp parallel for
423 for (Iter0 I = begin0; I < end0; ++I)
424 ++I;
425 // Initializer is constructor without params.
426 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
427 #pragma omp parallel for
428 for (Iter0 I; I < end0; ++I)
429 ++I;
430 Iter1 begin1, end1;
431 #pragma omp parallel for
432 for (Iter1 I = begin1; I < end1; ++I)
433 ++I;
434 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
435 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
436 #pragma omp parallel for
437 for (Iter1 I = begin1; I >= end1; ++I)
438 ++I;
439 // Initializer is constructor with all default params.
440 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
441 #pragma omp parallel for
442 for (Iter1 I; I < end1; ++I) {
443 }
444 return 0;
445 }
446
447 template <typename IT, int ST>
448 class TC {
449 public:
dotest_lt(IT begin,IT end)450 int dotest_lt(IT begin, IT end) {
451 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
452 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
453 #pragma omp parallel for
454 for (IT I = begin; I < end; I = I + ST) {
455 ++I;
456 }
457 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
458 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
459 #pragma omp parallel for
460 for (IT I = begin; I <= end; I += ST) {
461 ++I;
462 }
463 #pragma omp parallel for
464 for (IT I = begin; I < end; ++I) {
465 ++I;
466 }
467 }
468
step()469 static IT step() {
470 return IT(ST);
471 }
472 };
473 template <typename IT, int ST = 0>
dotest_gt(IT begin,IT end)474 int dotest_gt(IT begin, IT end) {
475 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
476 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
477 #pragma omp parallel for
478 for (IT I = begin; I >= end; I = I + ST) {
479 ++I;
480 }
481 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
482 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
483 #pragma omp parallel for
484 for (IT I = begin; I >= end; I += ST) {
485 ++I;
486 }
487
488 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
489 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
490 #pragma omp parallel for
491 for (IT I = begin; I >= end; ++I) {
492 ++I;
493 }
494
495 #pragma omp parallel for
496 for (IT I = begin; I < end; I += TC<int, ST>::step()) {
497 ++I;
498 }
499 }
500
test_with_template()501 void test_with_template() {
502 GoodIter begin, end;
503 TC<GoodIter, 100> t1;
504 TC<GoodIter, -100> t2;
505 t1.dotest_lt(begin, end);
506 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
507 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
508 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
509 }
510
test_loop_break()511 void test_loop_break() {
512 const int N = 100;
513 float a[N], b[N], c[N];
514 #pragma omp parallel for
515 for (int i = 0; i < 10; i++) {
516 c[i] = a[i] + b[i];
517 for (int j = 0; j < 10; ++j) {
518 if (a[i] > b[j])
519 break; // OK in nested loop
520 }
521 switch (i) {
522 case 1:
523 b[i]++;
524 break;
525 default:
526 break;
527 }
528 if (c[i] > 10)
529 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
530
531 if (c[i] > 11)
532 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
533 }
534
535 #pragma omp parallel for
536 for (int i = 0; i < 10; i++) {
537 for (int j = 0; j < 10; j++) {
538 c[i] = a[i] + b[i];
539 if (c[i] > 10) {
540 if (c[i] < 20) {
541 break; // OK
542 }
543 }
544 }
545 }
546 }
547
test_loop_eh()548 void test_loop_eh() {
549 const int N = 100;
550 float a[N], b[N], c[N];
551 #pragma omp parallel for
552 for (int i = 0; i < 10; i++) {
553 c[i] = a[i] + b[i];
554 try {
555 for (int j = 0; j < 10; ++j) {
556 if (a[i] > b[j])
557 throw a[i];
558 }
559 throw a[i];
560 } catch (float f) {
561 if (f > 0.1)
562 throw a[i];
563 return; // expected-error {{cannot return from OpenMP region}}
564 }
565 switch (i) {
566 case 1:
567 b[i]++;
568 break;
569 default:
570 break;
571 }
572 for (int j = 0; j < 10; j++) {
573 if (c[i] > 10)
574 throw c[i];
575 }
576 }
577 if (c[9] > 10)
578 throw c[9]; // OK
579
580 #pragma omp parallel for
581 for (int i = 0; i < 10; ++i) {
582 struct S {
583 void g() { throw 0; }
584 };
585 }
586 }
587
test_loop_firstprivate_lastprivate()588 void test_loop_firstprivate_lastprivate() {
589 S s(4);
590 #pragma omp parallel for lastprivate(s) firstprivate(s)
591 for (int i = 0; i < 16; ++i)
592 ;
593 }
594