libgomp/testsuite/libgomp.c/nestedfn-4.c

   1 /* PR middle-end/25261 */
   2 /* { dg-do run } */
   3
   4 #include <omp.h>
   5
   6 extern void abort (void);
   7
   8 int
   9 main (void)
  10 {
  11   int i = 5, j, l = 0;
  12   int foo (void)
  13   {
  14     return i == 6;
  15   }
  16   int bar (void)
  17   {
  18     return i - 3;
  19   }
  20
  21   omp_set_dynamic (0);
  22
  23 #pragma omp parallel if (foo ()) num_threads (2)
  24   if (omp_get_num_threads () != 1)
  25 #pragma omp atomic
  26     l++;
  27
  28 #pragma omp parallel for schedule (static, bar ()) num_threads (2) \
  29                      reduction (|:l)
  30   for (j = 0; j < 4; j++)
  31     if (omp_get_thread_num () != (j >= 2))
  32 #pragma omp atomic
  33       l++;
  34
  35   i++;
  36
  37 #pragma omp parallel if (foo ()) num_threads (2)
  38   if (omp_get_num_threads () != 2)
  39 #pragma omp atomic
  40     l++;
  41
  42 #pragma omp parallel for schedule (static, bar ()) num_threads (2) \
  43                      reduction (|:l)
  44   for (j = 0; j < 6; j++)
  45     if (omp_get_thread_num () != (j >= 3))
  46 #pragma omp atomic
  47       l++;
  48
  49 #pragma omp parallel num_threads (4) reduction (|:l)
  50   if (!foo () || bar () != 3)
  51 #pragma omp atomic
  52       l++;
  53
  54   i++;
  55
  56 #pragma omp parallel num_threads (4) reduction (|:l)
  57   if (foo () || bar () != 4)
  58 #pragma omp atomic
  59       l++;
  60
  61   if (l)
  62     abort ();
  63
  64   return 0;
  65 }