libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-ftree-parallelize-loops=2" } */
   3
   4 /* Variable bound, reduction.  */
   5
   6 #define N 4000
   7
   8 unsigned int *a;
   9
  10 unsigned int __attribute__((noclone,noinline))
  11 f (unsigned int n)
  12 {
  13   int i;
  14   unsigned int sum = 1;
  15
  16   for (i = 0; i < n; ++i)
  17     sum += a[i];
  18
  19   return sum;
  20 }
  21
  22 int
  23 main (void)
  24 {
  25   unsigned int res;
  26   unsigned int array[N];
  27   int i;
  28   for (i = 0; i < N; ++i)
  29     array[i] = i % 7;
  30   a = &array[0];
  31   res = f (N);
  32   return !(res == 11995);
  33 }