1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-original" } */
       3  
       4  unsigned int test1(unsigned int a)
       5  {
       6    return (a & 1) | 1;
       7  }
       8  
       9  int test2(int b)
      10  {
      11    return (b & 1) | 1;
      12  }
      13  
      14  unsigned int test3(unsigned int c)
      15  {
      16    return (c | 1) & 1;
      17  }
      18  
      19  int test4(int d)
      20  {
      21    return (d | 1) & 1;
      22  }
      23  
      24  unsigned int test5(unsigned int e)
      25  {
      26    return (e | 4) & 6;
      27  }
      28  
      29  int test6(int f)
      30  {
      31    return (f | 4) & 6;
      32  }
      33  
      34  unsigned int test7(unsigned int g)
      35  {
      36    return (g & -2) | 1;
      37  }
      38  
      39  int test8(int h)
      40  {
      41    return (h & -2) | 1;
      42  }
      43  
      44  unsigned int test9(unsigned int i)
      45  {
      46    return (i & 3) | 1;
      47  }
      48  
      49  int test10(int j)
      50  {
      51    return (j & 3) | 1;
      52  }
      53  
      54  /* { dg-final { scan-tree-dump-times "a \& 1 \\| 1" 0 "original" } } */
      55  /* { dg-final { scan-tree-dump-times "b \& 1 \\| 1" 0 "original" } } */
      56  /* { dg-final { scan-tree-dump-times "\\(c \\| 1\\) \& 1" 0 "original" } } */
      57  /* { dg-final { scan-tree-dump-times "\\(d \\| 1\\) \& 1" 0 "original" } } */
      58  /* { dg-final { scan-tree-dump-times "e \& 2 \\| 4" 1 "original" } } */
      59  /* { dg-final { scan-tree-dump-times "f \& 2 \\| 4" 1 "original" } } */
      60  /* { dg-final { scan-tree-dump-times "g \\| 1" 1 "original" } } */
      61  /* { dg-final { scan-tree-dump-times "h \\| 1" 1 "original" } } */
      62  /* { dg-final { scan-tree-dump-times "i \& 2 \\| 1" 1 "original" } } */
      63  /* { dg-final { scan-tree-dump-times "j \& 2 \\| 1" 1 "original" } } */
      64