libgomp/testsuite/libgomp.c/reduction-5.c

   1 /* PR middle-end/36506 */
   2
   3 extern void abort (void);
   4
   5 int
   6 main (void)
   7 {
   8   int sum = 0, prod = 1;
   9 #pragma omp parallel
  10   #pragma omp sections reduction (+:sum)
  11     {
  12     #pragma omp section
  13       sum += 2;
  14     #pragma omp section
  15       sum += 2;
  16     #pragma omp section
  17       sum += 2;
  18     }
  19   if (sum != 6)
  20     abort ();
  21   sum = 0;
  22 #pragma omp parallel sections reduction (+:sum)
  23   {
  24   #pragma omp section
  25     sum += 2;
  26   #pragma omp section
  27     sum += 2;
  28   #pragma omp section
  29     sum += 2;
  30   }
  31   if (sum != 6)
  32     abort ();
  33   sum = 0;
  34 #pragma omp parallel
  35   #pragma omp sections reduction (+:sum) reduction (*:prod)
  36     {
  37     #pragma omp section
  38       {
  39         sum += 2;
  40         prod *= 2;
  41       }
  42     #pragma omp section
  43       {
  44         sum += 2;
  45         prod *= 2;
  46       }
  47     #pragma omp section
  48       {
  49         sum += 2;
  50         prod *= 2;
  51       }
  52     }
  53   if (sum != 6 || prod != 8)
  54     abort ();
  55   sum = 0;
  56   prod = 1;
  57 #pragma omp parallel sections reduction (+:sum) reduction (*:prod)
  58   {
  59   #pragma omp section
  60     {
  61       sum += 2;
  62       prod *= 2;
  63     }
  64   #pragma omp section
  65     {
  66       sum += 2;
  67       prod *= 2;
  68     }
  69   #pragma omp section
  70     {
  71       sum += 2;
  72       prod *= 2;
  73     }
  74   }
  75   if (sum != 6 || prod != 8)
  76     abort ();
  77   return 0;
  78 }