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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */
extern void abort (void);
union tree_node;
typedef union tree_node *tree;
enum tree_code
{
TREE_VEC = 20,
};
struct tree_common
{
int code;
};
struct tree_type
{
tree binfo;
};
union tree_node
{
struct tree_common common;
struct tree_type type;
};
void
record_component_aliases (type)
tree type;
{
const tree __z = type->type.binfo;
if (type->type.binfo->common.code != TREE_VEC)
abort ();
if (__z->common.code != TREE_VEC)
abort ();
}
/* There should be precisely one load of type.binfo. If there is
more than one, then the dominator optimizations failed. */
/* { dg-final { scan-tree-dump-times "type\\.binfo" 1 "dom2"} } */
/* There should be precisely one load of common.code. If there is
more than one, then the dominator optimizations failed. */
/* { dg-final { scan-tree-dump-times "common\\.code" 1 "dom2"} } */
/* There should be one IF conditional. */
/* { dg-final { scan-tree-dump-times "if " 1 "dom2"} } */
/* { dg-final { cleanup-tree-dump "dom2" } } */
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