1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-dom2" } */
       3    
       4  
       5  struct rtx_def;
       6  typedef struct rtx_def *rtx;
       7  struct rtvec_def;
       8  typedef struct rtvec_def *rtvec;
       9  union tree_node;
      10  typedef union tree_node *tree;
      11  typedef struct mem_attrs
      12  {
      13    long alias;
      14  }
      15  mem_attrs;
      16  union rtunion_def
      17  {
      18    mem_attrs *rtmem;
      19  };
      20  typedef union rtunion_def rtunion;
      21  struct rtx_def
      22  {
      23    int code;
      24    rtunion fld[1];
      25  };
      26  struct tree_decl
      27  {
      28    rtx rtl;
      29  };
      30  union tree_node
      31  {
      32    struct tree_decl decl;
      33  };
      34  void make_decl_rtl (tree, int);
      35  long
      36  get_alias_set (t,z)
      37       tree t;
      38       rtx z;
      39  {
      40    if (t->decl.rtl && (((t->decl.rtl ? z
      41                          : (make_decl_rtl (t, 0), t->decl.rtl)))->code))
      42      return (((((t->decl.rtl ? z : (make_decl_rtl (t, 0), t->decl.rtl)))->
      43                fld[1]).rtmem) == 0 ? 0 : (((((
      44                                                 {
      45                                                 t;}
      46                                              )->decl.
      47                                              rtl ? z : (make_decl_rtl (t, 0),
      48                                                         t->decl.rtl)))->
      49                                            fld[1]).rtmem)->alias);
      50  }
      51  
      52  /* The calls to make_decl_rtl should be eliminated
      53  /* { dg-final { scan-tree-dump-not "make_decl_rtl \\(\\)" "dom2" } } */
      54      
      55  /* There should be three IF conditionals.  */
      56  /* { dg-final { scan-tree-dump-times "if " 3 "dom2"} } */
      57                                                                                  
      58  /* There should be one loads of decl.rtl.  */
      59  /* { dg-final { scan-tree-dump-times "decl\\.rtl" 1 "dom2"} } */
      60    
      61  /* There should be one load of code.  */
      62  /* { dg-final { scan-tree-dump-times "code" 1 "dom2"} } */
      63  
      64  /* There should be one load of rtmem.  */
      65  /* { dg-final { scan-tree-dump-times "rtmem" 1 "dom2"} } */
      66  
      67  /* There should be one load of alias.  */
      68  /* { dg-final { scan-tree-dump-times "->alias" 1 "dom2"} } */
      69