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
get_alias_set(t,z)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 
70