1  /* PR tree-optimization/66299 */
       2  /* { dg-do run } */
       3  /* { dg-options "-fdump-tree-original" } */
       4  
       5  void __attribute__ ((noinline, noclone))
       6  test1 (int x)
       7  {
       8    if ((2 << x) == 1
       9        || (8 << x) == 1
      10        || (8 << x) == 2
      11        || (3072 << x) == 3
      12        || (294912 << x) == 9
      13        || (45056 << x) == 11
      14        || (2176 << x) == 17)
      15      __builtin_abort ();
      16  }
      17  
      18  void __attribute__ ((noinline, noclone))
      19  test2 (int x)
      20  {
      21    if ((2 << x) != 1
      22        && (8 << x) != 1
      23        && (8 << x) != 2
      24        && (3072 << x) != 3
      25        && (294912 << x) != 9
      26        && (45056 << x) != 11
      27        && (2176 << x) != 17)
      28      ;
      29    else
      30      __builtin_abort ();
      31  }
      32  
      33  void __attribute__ ((noinline, noclone))
      34  test3 (int x)
      35  {
      36    if ((3 << x) == 4
      37        || (1 << x) == 12
      38        || (40 << x) == 1024
      39        || (2 << x) == 84
      40        || (3 << x) == 16384
      41        || (10 << x) == 6144)
      42      __builtin_abort ();
      43  }
      44  
      45  void __attribute__ ((noinline, noclone))
      46  test4 (int x)
      47  {
      48    if ((3 << x) != 4
      49        && (1 << x) != 12
      50        && (40 << x) != 1024
      51        && (2 << x) != 84
      52        && (3 << x) != 16384
      53        && (10 << x) != 6144)
      54      ;
      55    else
      56      __builtin_abort ();
      57  }
      58  
      59  int
      60  main (void)
      61  {
      62    test1 (0);
      63    test2 (1);
      64    test3 (1);
      65    test4 (2);
      66  }
      67  
      68  /* { dg-final { scan-tree-dump-not "(<<|==|!=)" "original" } } */