{
var_map map;
bitmap *partition_dependencies; /* Partitions expr is dependent on. */
- gimple *replaceable_expressions; /* Replacement expression table. */
+ bitmap replaceable_expressions; /* Replacement expression table. */
bitmap *expr_decl_uids; /* Base uids of exprs. */
bitmap *kill_list; /* Expr's killed by a partition. */
int virtual_partition; /* Pseudo partition for virtual ops. */
/* Free TER table T. If there are valid replacements, return the expression
vector. */
-static gimple *
+static bitmap
free_temp_expr_table (temp_expr_table_p t)
{
- gimple *ret = NULL;
+ bitmap 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++)
+ for (x = 0; x < num_ssa_names; x++)
{
gcc_assert (t->expr_decl_uids[x] == NULL);
gcc_assert (t->partition_dependencies[x] == NULL);
{
if (!tab->replaceable_expressions)
return false;
- return tab->replaceable_expressions[version] != NULL;
+ return bitmap_bit_p (tab->replaceable_expressions, version);
}
/* Set the replaceable expression. */
if (!tab->replaceable_expressions)
- tab->replaceable_expressions = XCNEWVEC (gimple, num_ssa_names + 1);
- tab->replaceable_expressions[version] = SSA_NAME_DEF_STMT (var);
+ tab->replaceable_expressions = BITMAP_ALLOC (NULL);
+ bitmap_set_bit (tab->replaceable_expressions, version);
}
NULL is returned by the function, otherwise an expression vector indexed
by SSA_NAME version numbers. */
-extern gimple *
+extern bitmap
find_replaceable_exprs (var_map map)
{
basic_block bb;
temp_expr_table_p table;
- gimple *ret;
+ bitmap ret;
table = new_temp_expr_table (map);
FOR_EACH_BB (bb)
/* Dump TER expression table EXPR to file F. */
void
-dump_replaceable_exprs (FILE *f, gimple *expr)
+dump_replaceable_exprs (FILE *f, bitmap expr)
{
tree var;
unsigned x;
fprintf (f, "\nReplacing Expressions\n");
for (x = 0; x < num_ssa_names; x++)
- if (expr[x])
+ if (bitmap_bit_p (expr, x))
{
var = ssa_name (x);
print_generic_expr (f, var, TDF_SLIM);
fprintf (f, " replace with --> ");
- print_gimple_stmt (f, expr[x], 0, TDF_SLIM);
+ print_gimple_stmt (f, SSA_NAME_DEF_STMT (var), 0, TDF_SLIM);
fprintf (f, "\n");
}
fprintf (f, "\n");