libgomp/testsuite/libgomp.c/pr32362-2.c

   1 /* PR middle-end/32362 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 #include <omp.h>
   6 #include <stdlib.h>
   7
   8 int a = 2, b = 4;
   9
  10 int
  11 main ()
  12 {
  13   int n[4] = { -1, -1, -1, -1 };
  14   omp_set_num_threads (4);
  15   omp_set_dynamic (0);
  16   omp_set_nested (1);
  17 #pragma omp parallel private(b)
  18   {
  19     b = omp_get_thread_num ();
  20 #pragma omp parallel firstprivate(a)
  21     {
  22       a = (omp_get_thread_num () + a) + 1;
  23       if (b == omp_get_thread_num ())
  24         n[omp_get_thread_num ()] = a + (b << 4);
  25     }
  26   }
  27   if (n[0] != 3)
  28     abort ();
  29   if (n[3] != -1
  30       && (n[1] != 0x14 || n[2] != 0x25 || n[3] != 0x36))
  31     abort ();
  32   return 0;
  33 }