1  /* { dg-do compile } */
       2  /* { dg-options "-Os" } */
       3  
       4  /* when compiling for size avoid the following peephole
       5  -------------------------------------------------------------
       6  Pattern 1 : r0 = r1 << {i}
       7              r3 = r4/INT + r0     ;;and commutative
       8                  ||
       9                  \/
      10              add{i} r3,r4/INT,r1
      11  -------------------------------------------------------------
      12  */
      13  
      14  typedef int a;
      15  typedef int b                                                    ;
      16  struct c
      17  {
      18    b d;
      19  };
      20  
      21  struct e
      22  {
      23    a f;
      24  };
      25  
      26  int g(int family)
      27  {
      28    switch (family)
      29    case 2:
      30      return sizeof(struct e);
      31    return 0;
      32  }
      33  
      34  int h(int family)
      35  {
      36    return 1 + g(family) - 1 ;
      37  }
      38  
      39  extern void m (void);
      40  
      41  int i(int j)
      42  {
      43    struct c *hdr;
      44    int k;
      45    int l;
      46    k = h(j);
      47    l = sizeof(struct c) +   k * 2;
      48    hdr->d = l ;
      49    if (j)
      50      m();
      51  }
      52  
      53  /* { dg-final { scan-assembler-not "add\d" } } */