1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-vectorize -fdump-rtl-loop2_unroll-details -funroll-loops" } */
       3  /* { dg-require-effective-target int32plus } */
       4  
       5  extern int *a;
       6  
       7  int t(void)
       8  {
       9    int i;
      10    for (i=0;i<1000000;i++)
      11      a[i]++;
      12  }
      13  /* { dg-final { scan-rtl-dump "Unrolled loop" "loop2_unroll" } } */
      14  /* { dg-final { scan-rtl-dump "number of iterations: .const_int 999999" "loop2_unroll" } } */
      15  /* { dg-final { scan-rtl-dump "upper bound: 999999" "loop2_unroll" } } */
      16  /* { dg-final { scan-rtl-dump "realistic bound: 999999" "loop2_unroll" } } */
      17  /* { dg-final { scan-rtl-dump "considering unrolling loop with constant number of iterations" "loop2_unroll" } } */
      18  /* { dg-final { scan-rtl-dump-not "Invalid sum" "loop2_unroll" } } */