1*404b540aSrobert /* PR c++/26943 */
2*404b540aSrobert /* { dg-do run } */
3*404b540aSrobert
4*404b540aSrobert extern int omp_set_dynamic (int);
5*404b540aSrobert extern int omp_get_thread_num (void);
6*404b540aSrobert extern void abort (void);
7*404b540aSrobert
8*404b540aSrobert int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
9*404b540aSrobert char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
10*404b540aSrobert volatile int k;
11*404b540aSrobert
12*404b540aSrobert int
main(void)13*404b540aSrobert main (void)
14*404b540aSrobert {
15*404b540aSrobert int i;
16*404b540aSrobert omp_set_dynamic (0);
17*404b540aSrobert omp_set_nested (1);
18*404b540aSrobert #pragma omp parallel num_threads (2) reduction (+:l) \
19*404b540aSrobert firstprivate (a, b, c, d, e, f, g, h, j)
20*404b540aSrobert if (k == omp_get_thread_num ())
21*404b540aSrobert {
22*404b540aSrobert #pragma omp parallel for shared (a, e) firstprivate (b, f) \
23*404b540aSrobert lastprivate (c, g) private (d, h) \
24*404b540aSrobert schedule (static, 1) num_threads (4) \
25*404b540aSrobert reduction (+:j)
26*404b540aSrobert for (i = 0; i < 4; i++)
27*404b540aSrobert {
28*404b540aSrobert if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
29*404b540aSrobert j++;
30*404b540aSrobert #pragma omp barrier
31*404b540aSrobert #pragma omp atomic
32*404b540aSrobert a += i;
33*404b540aSrobert b += i;
34*404b540aSrobert c = i;
35*404b540aSrobert d = i;
36*404b540aSrobert #pragma omp atomic
37*404b540aSrobert e[0] += i;
38*404b540aSrobert f[0] += i;
39*404b540aSrobert g[0] = 'g' + i;
40*404b540aSrobert h[0] = 'h' + i;
41*404b540aSrobert #pragma omp barrier
42*404b540aSrobert if (a != 8 + 6 || b != 12 + i || c != i || d != i)
43*404b540aSrobert j += 8;
44*404b540aSrobert if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
45*404b540aSrobert j += 64;
46*404b540aSrobert if (h[0] != 'h' + i)
47*404b540aSrobert j += 512;
48*404b540aSrobert }
49*404b540aSrobert if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
50*404b540aSrobert ++l;
51*404b540aSrobert if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
52*404b540aSrobert l += 8;
53*404b540aSrobert }
54*404b540aSrobert if (l)
55*404b540aSrobert abort ();
56*404b540aSrobert if (a != 8 || b != 12 || c != 16 || d != 20)
57*404b540aSrobert abort ();
58*404b540aSrobert if (e[0] != 'a' || f[0] != 'b' || g[0] != 'c' || h[0] != 'd')
59*404b540aSrobert abort ();
60*404b540aSrobert return 0;
61*404b540aSrobert }
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