1 /* PR c++/26943 */
2 /* { dg-do run } */
3
4 extern int omp_set_dynamic (int);
5 extern void omp_set_nested (int);
6 extern int omp_get_thread_num (void);
7 extern void abort (void);
8 extern void GOMP_barrier (void);
9
10 int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
11 char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
12 volatile int k;
13
14 int
main(void)15 main (void)
16 {
17 int i;
18 omp_set_dynamic (0);
19 omp_set_nested (1);
20 #pragma omp parallel num_threads (2) reduction (+:l) \
21 firstprivate (a, b, c, d, e, f, g, h, j)
22 if (k == omp_get_thread_num ())
23 {
24 #pragma omp parallel for shared (a, e) firstprivate (b, f) \
25 lastprivate (c, g) private (d, h) \
26 schedule (static, 1) num_threads (4) \
27 reduction (+:j)
28 for (i = 0; i < 4; i++)
29 {
30 if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
31 j++;
32 GOMP_barrier ();
33 #pragma omp atomic
34 a += i;
35 b += i;
36 c = i;
37 d = i;
38 #pragma omp atomic
39 e[0] += i;
40 f[0] += i;
41 g[0] = 'g' + i;
42 h[0] = 'h' + i;
43 GOMP_barrier ();
44 if (a != 8 + 6 || b != 12 + i || c != i || d != i)
45 j += 8;
46 if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
47 j += 64;
48 if (h[0] != 'h' + i)
49 j += 512;
50 }
51 if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
52 ++l;
53 if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
54 l += 8;
55 }
56 if (l)
57 abort ();
58 if (a != 8 || b != 12 || c != 16 || d != 20)
59 abort ();
60 if (e[0] != 'a' || f[0] != 'b' || g[0] != 'c' || h[0] != 'd')
61 abort ();
62 return 0;
63 }
64