1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -fdump-rtl-loop2_unroll -funroll-loops" } */
       3  /* { dg-require-effective-target int32plus } */
       4  
       5  void abort (void);
       6  int *a;
       7  /* Fails on MIPS16 because equality checks are implemented using XOR.
       8     It's unlikely MIPS16 users would want unrolling anyway.  */
       9  #ifdef __mips
      10  __attribute__((nomips16))
      11  #endif
      12  int t()
      13  {
      14     int i;
      15    for (i=0;i<1000000;i++)
      16      if (a[i])
      17        return 1;
      18    return 0;
      19  }
      20  #ifdef __mips
      21  __attribute__((nomips16))
      22  #endif
      23  int t2()
      24  {
      25     int i;
      26    for (i=0;i<3000000;i++)
      27      if (a[i])
      28          abort ();
      29    return 0;
      30  }
      31  /* { dg-final { scan-rtl-dump-times "  upper bound: 999999" 1 "loop2_unroll" } } */
      32  /* { dg-final { scan-rtl-dump-not "realistic bound: 999999" "loop2_unroll" } } */
      33  /* { dg-final { scan-rtl-dump-times "  upper bound: 2999999" 1 "loop2_unroll" } } */
      34  /* { dg-final { scan-rtl-dump-times "realistic bound: 2999999" 1 "loop2_unroll" } } */