libgomp/testsuite/libgomp.c/pr32362-3.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;
   9
  10 int
  11 main ()
  12 {
  13   int n[4] = { -1, -1, -1, -1 };
  14   int b = 4;
  15   omp_set_num_threads (4);
  16   omp_set_dynamic (0);
  17   omp_set_nested (1);
  18 #pragma omp parallel private(b)
  19   {
  20     b = omp_get_thread_num ();
  21 #pragma omp parallel firstprivate(a)
  22     {
  23       a = (omp_get_thread_num () + a) + 1;
  24       if (b == omp_get_thread_num ())
  25         n[omp_get_thread_num ()] = a + (b << 4);
  26     }
  27   }
  28   if (n[0] != 3)
  29     abort ();
  30   if (n[3] != -1
  31       && (n[1] != 0x14 || n[2] != 0x25 || n[3] != 0x36))
  32     abort ();
  33   return 0;
  34 }