+2004-11-26 Jeff Law <law@redhat.com>
+
+ * tree-ssa.c (verify_flow_sensitive_alias_info): Don't
+ retrieve annotations or pointer info before it's necessary.
+ Reorder tests for early continue of the loop. Manually CSE
+ SSA_NAME_VAR.
+
2004-11-26 Eric Botcazou <ebotcazou@libertysurf.fr>
* target.h (struct gcc_target): New field 'dwarf_handle_frame_unspec'.
for (i = 1; i < num_ssa_names; i++)
{
+ tree var;
var_ann_t ann;
struct ptr_info_def *pi;
+
ptr = ssa_name (i);
if (!ptr)
continue;
- ann = var_ann (SSA_NAME_VAR (ptr));
- pi = SSA_NAME_PTR_INFO (ptr);
/* We only care for pointers that are actually referenced in the
program. */
- if (!TREE_VISITED (ptr) || !POINTER_TYPE_P (TREE_TYPE (ptr)))
+ if (!POINTER_TYPE_P (TREE_TYPE (ptr)) || !TREE_VISITED (ptr))
continue;
/* RESULT_DECL is special. If it's a GIMPLE register, then it
is only written-to only once in the return statement.
Otherwise, aggregate RESULT_DECLs may be written-to more than
once in virtual operands. */
- if (TREE_CODE (SSA_NAME_VAR (ptr)) == RESULT_DECL
+ var = SSA_NAME_VAR (ptr);
+ if (TREE_CODE (var) == RESULT_DECL
&& is_gimple_reg (ptr))
continue;
+ pi = SSA_NAME_PTR_INFO (ptr);
if (pi == NULL)
continue;
+ ann = var_ann (var);
if (pi->is_dereferenced && !pi->name_mem_tag && !ann->type_mem_tag)
{
error ("Dereferenced pointers should have a name or a type tag");