1  /* Test LOOP recognition */
       2  
       3  /* { dg-options "-O2 -mloop" } */
       4  
       5  /* -O2 in the options is significant.  Without it do-loop will not be
       6     run.  */
       7  
       8  unsigned int
       9  test_loop_char (unsigned int x, char n)
      10  {
      11    int i;
      12  
      13    /* { dg-final { scan-assembler "loop\\t.L\[0-9\]*, r\[0-9b.\]*" } } */
      14    for (i = 0; i < n; i++)
      15      x <<= 2;
      16    return x;
      17  }