1 // RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
2
3 static int sii;
4 // expected-note@+1 {{defined as threadprivate or thread local}}
5 #pragma omp threadprivate(sii)
6 static int globalii;
7
test_iteration_spaces()8 int test_iteration_spaces() {
9 const int N = 100;
10 float a[N], b[N], c[N];
11 int ii, jj, kk;
12 float fii;
13 double dii;
14 #pragma omp simd
15 for (int i = 0; i < 10; i+=1) {
16 c[i] = a[i] + b[i];
17 }
18 #pragma omp simd
19 for (char i = 0; i < 10; i++) {
20 c[i] = a[i] + b[i];
21 }
22 #pragma omp simd
23 for (char i = 0; i < 10; i+='\1') {
24 c[i] = a[i] + b[i];
25 }
26 #pragma omp simd
27 for (long long i = 0; i < 10; i++) {
28 c[i] = a[i] + b[i];
29 }
30 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}
31 #pragma omp simd
32 for (long long i = 0; i < 10; i+=1.5) {
33 c[i] = a[i] + b[i];
34 }
35 #pragma omp simd
36 for (long long i = 0; i < 'z'; i+=1u) {
37 c[i] = a[i] + b[i];
38 }
39 // expected-error@+2 {{variable must be of integer or random access iterator type}}
40 #pragma omp simd
41 for (float fi = 0; fi < 10.0; fi++) {
42 c[(int)fi] = a[(int)fi] + b[(int)fi];
43 }
44 // expected-error@+2 {{variable must be of integer or random access iterator type}}
45 #pragma omp simd
46 for (double fi = 0; fi < 10.0; fi++) {
47 c[(int)fi] = a[(int)fi] + b[(int)fi];
48 }
49 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
50 #pragma omp simd
51 for (int &ref = ii; ref < 10; ref++) {
52 }
53 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
54 #pragma omp simd
55 for (int i; i < 10; i++)
56 c[i] = a[i];
57
58 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
59 #pragma omp simd
60 for (int i = 0, j = 0; i < 10; ++i)
61 c[i] = a[i];
62
63 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
64 #pragma omp simd
65 for (;ii < 10; ++ii)
66 c[ii] = a[ii];
67
68 // expected-warning@+3 {{expression result unused}}
69 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
70 #pragma omp simd
71 for (ii + 1;ii < 10; ++ii)
72 c[ii] = a[ii];
73
74 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
75 #pragma omp simd
76 for (c[ii] = 0;ii < 10; ++ii)
77 c[ii] = a[ii];
78
79 // Ok to skip parenthesises.
80 #pragma omp simd
81 for (((ii)) = 0;ii < 10; ++ii)
82 c[ii] = a[ii];
83
84 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
85 #pragma omp simd
86 for (int i = 0; i; i++)
87 c[i] = a[i];
88
89 // expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
90 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
91 #pragma omp simd
92 for (int i = 0; jj < kk; ii++)
93 c[i] = a[i];
94
95 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
96 #pragma omp simd
97 for (int i = 0; !!i; i++)
98 c[i] = a[i];
99
100 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
101 #pragma omp simd
102 for (int i = 0; i != 1; i++)
103 c[i] = a[i];
104
105 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
106 #pragma omp simd
107 for (int i = 0; ; i++)
108 c[i] = a[i];
109
110 // Ok.
111 #pragma omp simd
112 for (int i = 11; i > 10; i--)
113 c[i] = a[i];
114
115 // Ok.
116 #pragma omp simd
117 for (int i = 0; i < 10; ++i)
118 c[i] = a[i];
119
120 // Ok.
121 #pragma omp simd
122 for (ii = 0; ii < 10; ++ii)
123 c[ii] = a[ii];
124
125 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
126 #pragma omp simd
127 for (ii = 0; ii < 10; ++jj)
128 c[ii] = a[jj];
129
130 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
131 #pragma omp simd
132 for (ii = 0; ii < 10; ++ ++ ii)
133 c[ii] = a[ii];
134
135 // Ok but undefined behavior (in general, cannot check that incr
136 // is really loop-invariant).
137 #pragma omp simd
138 for (ii = 0; ii < 10; ii = ii + ii)
139 c[ii] = a[ii];
140
141 // expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}
142 #pragma omp simd
143 for (ii = 0; ii < 10; ii = ii + 1.0f)
144 c[ii] = a[ii];
145
146 // Ok - step was converted to integer type.
147 #pragma omp simd
148 for (ii = 0; ii < 10; ii = ii + (int)1.1f)
149 c[ii] = a[ii];
150
151 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
152 #pragma omp simd
153 for (ii = 0; ii < 10; jj = ii + 2)
154 c[ii] = a[ii];
155
156 // expected-warning@+3 {{relational comparison result unused}}
157 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
158 #pragma omp simd
159 for (ii = 0; ii < 10; jj > kk + 2)
160 c[ii] = a[ii];
161
162 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
163 #pragma omp simd
164 for (ii = 0; ii < 10;)
165 c[ii] = a[ii];
166
167 // expected-warning@+3 {{expression result unused}}
168 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
169 #pragma omp simd
170 for (ii = 0; ii < 10; !ii)
171 c[ii] = a[ii];
172
173 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
174 #pragma omp simd
175 for (ii = 0; ii < 10; ii ? ++ii : ++jj)
176 c[ii] = a[ii];
177
178 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
179 #pragma omp simd
180 for (ii = 0; ii < 10; ii = ii < 10)
181 c[ii] = a[ii];
182
183 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
184 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
185 #pragma omp simd
186 for (ii = 0; ii < 10; ii = ii + 0)
187 c[ii] = a[ii];
188
189 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
190 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
191 #pragma omp simd
192 for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
193 c[ii] = a[ii];
194
195 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
196 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
197 #pragma omp simd
198 for (ii = 0; (ii) < 10; ii-=25)
199 c[ii] = a[ii];
200
201 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
202 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
203 #pragma omp simd
204 for (ii = 0; (ii < 10); ii-=0)
205 c[ii] = a[ii];
206
207 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
208 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
209 #pragma omp simd
210 for (ii = 0; ii > 10; (ii+=0))
211 c[ii] = a[ii];
212
213 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
214 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
215 #pragma omp simd
216 for (ii = 0; ii < 10; (ii) = (1-1)+(ii))
217 c[ii] = a[ii];
218
219 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
220 // expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
221 #pragma omp simd
222 for ((ii = 0); ii > 10; (ii-=0))
223 c[ii] = a[ii];
224
225 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
226 // expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
227 #pragma omp simd
228 for (ii = 0; (ii < 10); (ii-=0))
229 c[ii] = a[ii];
230
231 // expected-note@+2 {{defined as private}}
232 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be private, predetermined as linear}}
233 #pragma omp simd private(ii)
234 for (ii = 0; ii < 10; ii++)
235 c[ii] = a[ii];
236
237 // expected-error@+3 {{unexpected OpenMP clause 'shared' in directive '#pragma omp simd'}}
238 // expected-note@+2 {{defined as shared}}
239 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be shared, predetermined as linear}}
240 #pragma omp simd shared(ii)
241 for (ii = 0; ii < 10; ii++)
242 c[ii] = a[ii];
243
244 #pragma omp simd linear(ii)
245 for (ii = 0; ii < 10; ii++)
246 c[ii] = a[ii];
247
248 #pragma omp simd lastprivate(ii) linear(jj) collapse(2) // expected-note {{defined as linear}}
249 for (ii = 0; ii < 10; ii++)
250 for (jj = 0; jj < 10; jj++) // expected-error {{loop iteration variable in the associated loop of 'omp simd' directive may not be linear, predetermined as lastprivate}}
251 c[ii] = a[jj];
252
253
254 #pragma omp parallel
255 {
256 // expected-error@+2 {{loop iteration variable in the associated loop of 'omp simd' directive may not be threadprivate or thread local, predetermined as linear}}
257 #pragma omp simd
258 for (sii = 0; sii < 10; sii+=1)
259 c[sii] = a[sii];
260 }
261
262 #pragma omp parallel
263 {
264 #pragma omp simd
265 for (globalii = 0; globalii < 10; globalii+=1)
266 c[globalii] = a[globalii];
267 }
268
269 #pragma omp parallel
270 {
271 #pragma omp simd collapse(2)
272 for (ii = 0; ii < 10; ii += 1)
273 for (globalii = 0; globalii < 10; globalii += 1)
274 c[globalii] += a[globalii] + ii;
275 }
276
277 // expected-error@+2 {{statement after '#pragma omp simd' must be a for loop}}
278 #pragma omp simd
279 for (auto &item : a) {
280 item = item + 1;
281 }
282
283 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
284 // expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
285 #pragma omp simd
286 for (unsigned i = 9; i < 10; i--) {
287 c[i] = a[i] + b[i];
288 }
289
290 int (*lb)[4] = nullptr;
291 #pragma omp simd
292 for (int (*p)[4] = lb; p < lb + 8; ++p) {
293 }
294
295 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
296 #pragma omp simd
297 for (int a{0}; a<10; ++a) {
298 }
299
300 return 0;
301 }
302
303 // Iterators allowed in openmp for-loops.
304 namespace std {
305 struct random_access_iterator_tag { };
306 template <class Iter> struct iterator_traits {
307 typedef typename Iter::difference_type difference_type;
308 typedef typename Iter::iterator_category iterator_category;
309 };
310 template <class Iter>
311 typename iterator_traits<Iter>::difference_type
distance(Iter first,Iter last)312 distance(Iter first, Iter last) { return first - last; }
313 }
314 class Iter0 {
315 public:
Iter0()316 Iter0() { }
Iter0(const Iter0 &)317 Iter0(const Iter0 &) { }
operator ++()318 Iter0 operator ++() { return *this; }
operator --()319 Iter0 operator --() { return *this; }
operator +(int delta)320 Iter0 operator + (int delta) { return *this; }
operator <(Iter0 a)321 bool operator <(Iter0 a) { return true; }
322 };
323 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}
operator -(Iter0 a,Iter0 b)324 int operator -(Iter0 a, Iter0 b) { return 0; }
325 class Iter1 {
326 public:
Iter1(float f=0.0f,double d=0.0)327 Iter1(float f=0.0f, double d=0.0) { }
Iter1(const Iter1 &)328 Iter1(const Iter1 &) { }
operator ++()329 Iter1 operator ++() { return *this; }
operator --()330 Iter1 operator --() { return *this; }
operator <(Iter1 a)331 bool operator <(Iter1 a) { return true; }
operator >=(Iter1 a)332 bool operator >=(Iter1 a) { return false; }
333 };
334 class GoodIter {
335 public:
GoodIter()336 GoodIter() { }
GoodIter(const GoodIter &)337 GoodIter(const GoodIter &) { }
GoodIter(int fst,int snd)338 GoodIter(int fst, int snd) { }
operator =(const GoodIter & that)339 GoodIter &operator =(const GoodIter &that) { return *this; }
operator =(const Iter0 & that)340 GoodIter &operator =(const Iter0 &that) { return *this; }
operator +=(int x)341 GoodIter &operator +=(int x) { return *this; }
GoodIter(void *)342 explicit GoodIter(void *) { }
operator ++()343 GoodIter operator ++() { return *this; }
operator --()344 GoodIter operator --() { return *this; }
operator !()345 bool operator !() { return true; }
operator <(GoodIter a)346 bool operator <(GoodIter a) { return true; }
operator <=(GoodIter a)347 bool operator <=(GoodIter a) { return true; }
operator >=(GoodIter a)348 bool operator >=(GoodIter a) { return false; }
349 typedef int difference_type;
350 typedef std::random_access_iterator_tag iterator_category;
351 };
352 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
operator -(GoodIter a,GoodIter b)353 int operator -(GoodIter a, GoodIter b) { return 0; }
354 // expected-note@+1 2 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}
operator -(GoodIter a)355 GoodIter operator -(GoodIter a) { return a; }
356 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
operator -(GoodIter a,int v)357 GoodIter operator -(GoodIter a, int v) { return GoodIter(); }
operator +(GoodIter a,int v)358 GoodIter operator +(GoodIter a, int v) { return GoodIter(); }
359 // expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}
operator -(int v,GoodIter a)360 GoodIter operator -(int v, GoodIter a) { return GoodIter(); }
operator +(int v,GoodIter a)361 GoodIter operator +(int v, GoodIter a) { return GoodIter(); }
362
test_with_random_access_iterator()363 int test_with_random_access_iterator() {
364 GoodIter begin, end;
365 Iter0 begin0, end0;
366 #pragma omp simd
367 for (GoodIter I = begin; I < end; ++I)
368 ++I;
369 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
370 #pragma omp simd
371 for (GoodIter &I = begin; I < end; ++I)
372 ++I;
373 #pragma omp simd
374 for (GoodIter I = begin; I >= end; --I)
375 ++I;
376 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
377 #pragma omp simd
378 for (GoodIter I(begin); I < end; ++I)
379 ++I;
380 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
381 #pragma omp simd
382 for (GoodIter I(nullptr); I < end; ++I)
383 ++I;
384 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
385 #pragma omp simd
386 for (GoodIter I(0); I < end; ++I)
387 ++I;
388 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
389 #pragma omp simd
390 for (GoodIter I(1,2); I < end; ++I)
391 ++I;
392 #pragma omp simd
393 for (begin = GoodIter(0); begin < end; ++begin)
394 ++begin;
395 #pragma omp simd
396 for (begin = GoodIter(1,2); begin < end; ++begin)
397 ++begin;
398 // expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
399 #pragma omp simd
400 for (++begin; begin < end; ++begin)
401 ++begin;
402 #pragma omp simd
403 for (begin = end; begin < end; ++begin)
404 ++begin;
405 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
406 #pragma omp simd
407 for (GoodIter I = begin; I - I; ++I)
408 ++I;
409 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
410 #pragma omp simd
411 for (GoodIter I = begin; begin < end; ++I)
412 ++I;
413 // expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
414 #pragma omp simd
415 for (GoodIter I = begin; !I; ++I)
416 ++I;
417 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
418 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
419 #pragma omp simd
420 for (GoodIter I = begin; I >= end; I = I + 1)
421 ++I;
422 #pragma omp simd
423 for (GoodIter I = begin; I >= end; I = I - 1)
424 ++I;
425 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
426 #pragma omp simd
427 for (GoodIter I = begin; I >= end; I = -I)
428 ++I;
429 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
430 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
431 #pragma omp simd
432 for (GoodIter I = begin; I >= end; I = 2 + I)
433 ++I;
434 // expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
435 #pragma omp simd
436 for (GoodIter I = begin; I >= end; I = 2 - I)
437 ++I;
438 #pragma omp simd
439 for (Iter0 I = begin0; I < end0; ++I)
440 ++I;
441
442 // Initializer is constructor without params.
443 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
444 #pragma omp simd
445 for (Iter0 I; I < end0; ++I)
446 ++I;
447
448 Iter1 begin1, end1;
449 // expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}
450 // expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
451 #pragma omp simd
452 for (Iter1 I = begin1; I < end1; ++I)
453 ++I;
454 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
455 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
456 #pragma omp simd
457 for (Iter1 I = begin1; I >= end1; ++I)
458 ++I;
459
460 // Initializer is constructor with all default params.
461 // expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'float')}}
462 // expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
463 // expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
464 #pragma omp simd
465 for (Iter1 I; I < end1; ++I) {
466 }
467
468 return 0;
469 }
470
471 template <typename IT, int ST> class TC {
472 public:
dotest_lt(IT begin,IT end)473 int dotest_lt(IT begin, IT end) {
474 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
475 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
476 #pragma omp simd
477 for (IT I = begin; I < end; I = I + ST) {
478 ++I;
479 }
480 // expected-note@+3 {{loop step is expected to be positive due to this condition}}
481 // expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
482 #pragma omp simd
483 for (IT I = begin; I <= end; I += ST) {
484 ++I;
485 }
486 #pragma omp simd
487 for (IT I = begin; I < end; ++I) {
488 ++I;
489 }
490 }
491
step()492 static IT step() {
493 return IT(ST);
494 }
495 };
dotest_gt(IT begin,IT end)496 template <typename IT, int ST=0> int dotest_gt(IT begin, IT end) {
497 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
498 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
499 #pragma omp simd
500 for (IT I = begin; I >= end; I = I + ST) {
501 ++I;
502 }
503 // expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
504 // expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
505 #pragma omp simd
506 for (IT I = begin; I >= end; I += ST) {
507 ++I;
508 }
509
510 // expected-note@+3 {{loop step is expected to be negative due to this condition}}
511 // expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
512 #pragma omp simd
513 for (IT I = begin; I >= end; ++I) {
514 ++I;
515 }
516
517 #pragma omp simd
518 for (IT I = begin; I < end; I+=TC<int,ST>::step()) {
519 ++I;
520 }
521 }
522
test_with_template()523 void test_with_template() {
524 GoodIter begin, end;
525 TC<GoodIter, 100> t1;
526 TC<GoodIter, -100> t2;
527 t1.dotest_lt(begin, end);
528 t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
529 dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
530 dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
531 }
532
test_loop_break()533 void test_loop_break() {
534 const int N = 100;
535 float a[N], b[N], c[N];
536 #pragma omp simd
537 for (int i = 0; i < 10; i++) {
538 c[i] = a[i] + b[i];
539 for (int j = 0; j < 10; ++j) {
540 if (a[i] > b[j])
541 break; // OK in nested loop
542 }
543 switch(i) {
544 case 1:
545 b[i]++;
546 break;
547 default:
548 break;
549 }
550 if (c[i] > 10)
551 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
552
553 if (c[i] > 11)
554 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
555 }
556
557 #pragma omp simd
558 for (int i = 0; i < 10; i++) {
559 for (int j = 0; j < 10; j++) {
560 c[i] = a[i] + b[i];
561 if (c[i] > 10) {
562 if (c[i] < 20) {
563 break; // OK
564 }
565 }
566 }
567 }
568 }
569
test_loop_eh()570 void test_loop_eh() {
571 const int N = 100;
572 float a[N], b[N], c[N];
573 #pragma omp simd
574 for (int i = 0; i < 10; i++) {
575 c[i] = a[i] + b[i];
576 try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}
577 for (int j = 0; j < 10; ++j) {
578 if (a[i] > b[j])
579 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
580 }
581 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
582 }
583 catch (float f) {
584 if (f > 0.1)
585 throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
586 return; // expected-error {{cannot return from OpenMP region}}
587 }
588 switch(i) {
589 case 1:
590 b[i]++;
591 break;
592 default:
593 break;
594 }
595 for (int j = 0; j < 10; j++) {
596 if (c[i] > 10)
597 throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
598 }
599 }
600 if (c[9] > 10)
601 throw c[9]; // OK
602
603 #pragma omp simd
604 for (int i = 0; i < 10; ++i) {
605 struct S {
606 void g() { throw 0; }
607 };
608 }
609 }
610
611