static temp_expr_table_p
new_temp_expr_table (var_map map)
{
temp_expr_table_p t;
unsigned x;
t = XNEW (struct temp_expr_table_d);
t->map = map;
t->partition_dependencies = XCNEWVEC (bitmap, num_ssa_names + 1);
t->expr_decl_uids = XCNEWVEC (bitmap, num_ssa_names + 1);
t->kill_list = XCNEWVEC (bitmap, num_var_partitions (map) + 1);
t->partition_in_use = BITMAP_ALLOC (NULL);
t->virtual_partition = num_var_partitions (map);
t->new_replaceable_dependencies = BITMAP_ALLOC (NULL);
t->replaceable_expressions = NULL;
t->num_in_part = XCNEWVEC (int, num_var_partitions (map));
for (x = 1; x < num_ssa_names; x++)
{
int p;
tree name = ssa_name (x);
if (!name)
continue;
p = var_to_partition (map, name);
if (p != NO_PARTITION)
t->num_in_part[p]++;
}
return t;
}
static gimple *
free_temp_expr_table (temp_expr_table_p t)
{
gimple *ret = NULL;
#ifdef ENABLE_CHECKING
unsigned x;
for (x = 0; x <= num_var_partitions (t->map); x++)
gcc_assert (!t->kill_list[x]);
for (x = 0; x < num_ssa_names + 1; x++)
{
gcc_assert (t->expr_decl_uids[x] == NULL);
gcc_assert (t->partition_dependencies[x] == NULL);
}
#endif
BITMAP_FREE (t->partition_in_use);
BITMAP_FREE (t->new_replaceable_dependencies);
free (t->expr_decl_uids);
free (t->kill_list);
free (t->partition_dependencies);
free (t->num_in_part);
if (t->replaceable_expressions)
ret = t->replaceable_expressions;
free (t);
return ret;
}
static bitmap_obstack ter_bitmap_obstack;
extern void debug_ter (FILE *, temp_expr_table *);
/* Create a new TER table for MAP. */
static temp_expr_table *
new_temp_expr_table (var_map map)
{
temp_expr_table *t = XNEW (struct temp_expr_table);
t->map = map;
t->partition_dependencies = XCNEWVEC (bitmap, num_ssa_names + 1);
t->expr_decl_uids = XCNEWVEC (bitmap, num_ssa_names + 1);
t->kill_list = XCNEWVEC (bitmap, num_var_partitions (map) + 1);
t->partition_in_use = BITMAP_ALLOC (&ter_bitmap_obstack);
t->virtual_partition = num_var_partitions (map);
t->new_replaceable_dependencies = BITMAP_ALLOC (&ter_bitmap_obstack);
t->replaceable_expressions = NULL;
t->num_in_part = XCNEWVEC (int, num_var_partitions (map));
unsigned x;
tree name;
FOR_EACH_SSA_NAME (x, name, cfun)
{
int p;
