gcc/testsuite/gcc.dg/graphite/isl-ast-gen-if-1.c

   1 int st = 1;
   2 static void __attribute__((noinline))
   3 foo (int a[], int n)
   4 {
   5   int i;
   6   for (i = 0; i < n; i++)
   7     {
   8       if (i < 25)
   9         a[i] = i;
  10       a[n - i] = 1;
  11     }
  12 }
  13
  14 static int __attribute__((noinline))
  15 array_sum (int a[])
  16 {
  17   int i, res = 0;
  18   for(i = 0; i < 50; i += st)
  19     res += a[i];
  20   return res;
  21 }
  22
  23 extern void abort ();
  24
  25 int
  26 main (void)
  27 {
  28   int a[51]; /* NB This size allows foo's first iteration to write to a[50].  */
  29   foo (a, 50);
  30   int res = array_sum (a);
  31   if (res != 49)
  32     abort ();
  33   return 0;
  34 }