1  /* { dg-do compile } */
       2  /* { dg-options "-O1 -fdump-tree-optimized" } */
       3  
       4  int f(_Bool x)
       5  {
       6    if (x != 0)
       7     return 1;
       8    return 0;
       9  }
      10  
      11  /* There should be no != 0 which is produced by the front-end as
      12     bool_var != 0 is the same as bool_var. */
      13  /* { dg-final { scan-tree-dump-times "!= 0" 0 "optimized"} } */
      14  
      15  /* There should be no adde for powerpc.  Check if we actually optimized
      16     away the comparison.  */
      17  /* { dg-final { scan-assembler-times "adde" 0 { target powerpc*-*-* } } } */
      18