gcc/testsuite/gcc.dg/var-expand2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -funroll-loops -ffast-math -fvariable-expansion-in-unroller" } */
   3
   4 extern void abort (void);
   5
   6 float array[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
   7
   8 int
   9 foo (int n)
  10 {
  11   unsigned i;
  12   float accum = 0;
  13
  14   for (i = 0; i < n; i++)
  15     accum += array[i];
  16
  17   if (accum != 55)
  18     abort ();
  19
  20   return 0;
  21 }
  22
  23 int
  24 main (void)
  25 {
  26   return foo (10);
  27 }
  28
  29