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1 /* PR c++/26943 */
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2 /* { dg-do run } */
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3
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4 extern int omp_set_dynamic (int);
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5 extern int omp_get_thread_num (void);
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6 extern void abort (void);
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7
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8 int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
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9 char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
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10 volatile int k;
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11
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12 int
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13 main (void)
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14 {
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15 int i;
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16 omp_set_dynamic (0);
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17 omp_set_nested (1);
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18 #pragma omp parallel num_threads (2) reduction (+:l)
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19 if (k == omp_get_thread_num ())
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20 {
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21 #pragma omp parallel for shared (a, e) firstprivate (b, f) \
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22 lastprivate (c, g) private (d, h) \
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23 schedule (static, 1) num_threads (4) \
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24 reduction (+:j)
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25 for (i = 0; i < 4; i++)
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26 {
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27 if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
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28 j++;
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29 #pragma omp barrier /* { dg-warning "may not be closely nested" } */
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30 #pragma omp atomic
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31 a += i;
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32 b += i;
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33 c = i;
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34 d = i;
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35 #pragma omp atomic
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36 e[0] += i;
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37 f[0] += i;
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38 g[0] = 'g' + i;
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39 h[0] = 'h' + i;
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40 #pragma omp barrier /* { dg-warning "may not be closely nested" } */
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41 if (a != 8 + 6 || b != 12 + i || c != i || d != i)
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42 j += 8;
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43 if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
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44 j += 64;
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45 if (h[0] != 'h' + i)
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46 j += 512;
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47 }
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48 if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
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49 ++l;
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50 if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
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51 l += 8;
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52 }
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53 if (l)
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54 abort ();
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55 return 0;
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56 }
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