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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */
struct rtx_def;
typedef struct rtx_def *rtx;
struct rtvec_def;
typedef struct rtvec_def *rtvec;
union tree_node;
typedef union tree_node *tree;
typedef struct mem_attrs
{
long alias;
}
mem_attrs;
union rtunion_def
{
mem_attrs *rtmem;
};
typedef union rtunion_def rtunion;
struct rtx_def
{
int code;
rtunion fld[1];
};
struct tree_decl
{
rtx rtl;
};
union tree_node
{
struct tree_decl decl;
};
int make_decl_rtl (tree, void *);
long
get_alias_set (t)
tree t;
{
if (t->decl.rtl != (void *) 0)
return (((t->decl.rtl->fld[1]).rtmem) ==
0 ? 0
: ((((t->decl.
rtl ? 0 : (make_decl_rtl (t, ((void *) 0)),
t->decl.rtl)))->fld[1]).rtmem)->alias);
}
/* The calls to make_decl_rtl should be eliminated. */
/* { dg-final { scan-tree-dump-not "make_decl_rtl \\(\\)" "dom2" } } */
/* There should be two IF conditionals. */
/* { dg-final { scan-tree-dump-times "if " 2 "dom2"} } */
/* There should be one load of decl.rtl. */
/* { dg-final { scan-tree-dump-times "decl\\.rtl" 1 "dom2"} } */
/* There should be two loads of rtmem. */
/* { dg-final { scan-tree-dump-times "rtmem" 2 "dom2"} } */
/* There should be one load of alias. */
/* { dg-final { scan-tree-dump-times "->alias" 1 "dom2"} } */
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