1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-cddce1" } */
       3  
       4  int
       5  fn1 (int x)
       6  {
       7    return ~x | x;
       8  }
       9  
      10  int
      11  fn2 (int x)
      12  {
      13    return x | ~x;
      14  }
      15  
      16  unsigned int
      17  fn3 (unsigned int x)
      18  {
      19    return ~x | x;
      20  }
      21  
      22  unsigned int
      23  fn4 (unsigned int x)
      24  {
      25    return x | ~x;
      26  }
      27  
      28  int
      29  fn5 (int x)
      30  {
      31    return ~x | (unsigned) x;
      32  }
      33  
      34  int
      35  fn6 (int x)
      36  {
      37    return (unsigned) ~x | x;
      38  }
      39  
      40  int
      41  fn7 (int x)
      42  {
      43    return ~(unsigned) x | x;
      44  }
      45  
      46  /* { dg-final { scan-tree-dump-not "~" "cddce1" } } */
      47  /* { dg-final { scan-tree-dump-not " \\| " "cddce1" } } */