/* { dg-do compile } */
|
/* { dg-do compile } */
|
/* { dg-options "-O1 -fdump-tree-dom2 -fdump-tree-optimized" } */
|
/* { dg-options "-O1 -fdump-tree-dom2 -fdump-tree-optimized" } */
|
|
|
extern void abort (void);
|
extern void abort (void);
|
union tree_node;
|
union tree_node;
|
typedef union tree_node *tree;
|
typedef union tree_node *tree;
|
extern const char tree_code_type[];
|
extern const char tree_code_type[];
|
struct tree_common
|
struct tree_common
|
{
|
{
|
int code;
|
int code;
|
};
|
};
|
struct tree_decl
|
struct tree_decl
|
{
|
{
|
long pointer_alias_set;
|
long pointer_alias_set;
|
};
|
};
|
union tree_node
|
union tree_node
|
{
|
{
|
struct tree_common common;
|
struct tree_common common;
|
struct tree_decl decl;
|
struct tree_decl decl;
|
};
|
};
|
long
|
long
|
blah (decl, set)
|
blah (decl, set)
|
tree decl;
|
tree decl;
|
long set;
|
long set;
|
{
|
{
|
decl->decl.pointer_alias_set = oof();
|
decl->decl.pointer_alias_set = oof();
|
if (tree_code_type[decl->common.code] != 'd')
|
if (tree_code_type[decl->common.code] != 'd')
|
abort ();
|
abort ();
|
record_alias_subset (decl->decl.pointer_alias_set);
|
record_alias_subset (decl->decl.pointer_alias_set);
|
if (set != -1)
|
if (set != -1)
|
set = 0;
|
set = 0;
|
return set;
|
return set;
|
}
|
}
|
|
|
/* There should be precisely one reference to pointer_alias_set. If there is
|
/* There should be precisely one reference to pointer_alias_set. If there is
|
more than one, then the dominator optimizations failed. */
|
more than one, then the dominator optimizations failed. */
|
/* { dg-final { scan-tree-dump-times "pointer_alias_set" 1 "dom2"} } */
|
/* { dg-final { scan-tree-dump-times "pointer_alias_set" 1 "dom2"} } */
|
/* { dg-final { cleanup-tree-dump "dom2" } } */
|
/* { dg-final { cleanup-tree-dump "dom2" } } */
|
|
|
/* The assignment set = -1 in the ELSE clause of the last IF
|
/* The assignment set = -1 in the ELSE clause of the last IF
|
statement should be removed by the final cleanup phase. */
|
statement should be removed by the final cleanup phase. */
|
/* { dg-final { scan-tree-dump-times "set = -1" 0 "optimized"} } */
|
/* { dg-final { scan-tree-dump-times "set = -1" 0 "optimized"} } */
|
/* { dg-final { cleanup-tree-dump "optimized" } } */
|
/* { dg-final { cleanup-tree-dump "optimized" } } */
|
|
|