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1 /* { dg-do run } */
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2
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3 int x, *p = &x;
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4 extern void abort (void);
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5 void
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6 f1 (int *q)
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7 {
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8 *q = 1;
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9 #pragma omp flush
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10 /* x, p, and *q are flushed */
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11 /* because they are shared and accessible */
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12 /* q is not flushed because it is not shared. */
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13 }
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14
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15 void
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16 f2 (int *q)
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17 {
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18 #pragma omp barrier
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19 *q = 2;
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20 #pragma omp barrier
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21 /* a barrier implies a flush */
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22 /* x, p, and *q are flushed */
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23 /* because they are shared and accessible */
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24 /* q is not flushed because it is not shared. */
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25 }
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26
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27 int
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28 g (int n)
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29 {
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30 int i = 1, j, sum = 0;
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31 *p = 1;
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32 #pragma omp parallel reduction(+: sum) num_threads(2)
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33 {
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34 f1 (&j);
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35 /* i, n and sum were not flushed */
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36 /* because they were not accessible in f1 */
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37 /* j was flushed because it was accessible */
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38 sum += j;
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39 f2 (&j);
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40 /* i, n, and sum were not flushed */
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41 /* because they were not accessible in f2 */
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42 /* j was flushed because it was accessible */
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43 sum += i + j + *p + n;
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44 }
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45 return sum;
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46 }
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47
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48 int
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49 main ()
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50 {
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51 int result = g (10);
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52 if (result != 30)
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53 abort ();
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54 return 0;
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55 }
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