1  /* Test LOOP recognition */
       2  
       3  /* { dg-options "-O1 -mloop" } */
       4  
       5  /* -O1 in the options is significant.  Without it do-loop will not be
       6     run.  */
       7  
       8  unsigned int
       9  test_loop (unsigned int n)
      10  {
      11    unsigned int i;
      12    volatile unsigned int s = 0;
      13  
      14    if (n >= 0x10000) return 0;
      15  
      16    /* { dg-final { scan-assembler "loop\\t.L\[0-9\]*, r\[0-9\]*" } } */
      17    for (i = 0; i < n; i++)
      18      s++;
      19    return s;
      20  }