#include "irgwalk.h"
#include "irloop_t.h"
#include "irflag_t.h"
+#include "ircons.h"
+#include "typewalk.h"
static void clear_link(ir_node * node, void * env) {
set_irn_link(node, NULL);
}
}
+static void make_entity_to_description(type_or_ent *tore, void *env) {
+ if (get_kind(tore) == k_entity) {
+ entity *ent = (entity *)tore;
+ if ((is_method_type(get_entity_type(ent))) &&
+ (get_entity_peculiarity(ent) != peculiarity_description) &&
+ (get_entity_visibility(ent) != visibility_external_allocated) ) {
+ entity *impl = get_SymConst_entity(get_atomic_ent_value(ent));
+ if (get_entity_link(impl) != env) {
+ set_entity_peculiarity(ent, peculiarity_description);
+ //set_atomic_ent_value(ent, new_r_Const(get_const_code_irg(), get_irg_start_block(get_const_code_irg()),
+ // mode_P, get_tarval_null(mode_P)));
+ }
+ }
+ }
+}
/* garbage collect methods: mark and remove */
void gc_irgs(int n_keep, entity ** keep_arr) {
- void * MARK = &MARK;
+ void * MARK = &MARK; /* @@@ gefaehrlich!!! Aber wir markieren hoechstens zu viele ... */
int i;
if (!get_opt_dead_method_elimination()) return;
- /* mark */
+ /* Mark entities that are alive. */
if (n_keep > 0) {
entity ** marked = NEW_ARR_F(entity *, n_keep);
for (i = 0; i < n_keep; ++i) {
marked[i] = keep_arr[i];
set_entity_link(marked[i], MARK);
+ if (get_opt_dead_method_elimination_verbose() && get_firm_verbosity() > 2) {
+ printf("dead method elimination: method %s kept alive.\n", get_entity_ld_name(marked[i]));
+ }
}
for (i = 0; i < ARR_LEN(marked); ++i) {
/* check for extern methods, these don't have an IRG */
if (ent && get_entity_irg(ent) && get_entity_link(ent) != MARK) {
set_entity_link(ent, MARK);
ARR_APP1(entity *, marked, ent);
+ if (get_opt_dead_method_elimination_verbose() && get_firm_verbosity() > 2) {
+ printf("dead method elimination: method %s can be called from Call %ld: kept alive.\n",
+ get_entity_ld_name(ent), get_irn_node_nr(node));
+ }
}
}
}
}
/* clean */
+ type_walk(make_entity_to_description, NULL, MARK);
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph * irg = get_irp_irg(i);
- entity * ent = get_irg_ent(irg);
+ entity * ent = get_irg_entity(irg);
/* Removing any graph invalidates all interprocedural loop trees. */
if (get_irg_loopinfo_state(irg) == loopinfo_ip_consistent ||
get_irg_loopinfo_state(irg) == loopinfo_ip_inconsistent) {
free_loop_information(irg);
}
- if (get_entity_link(ent) != MARK) {
+ if ((get_entity_visibility(ent) == visibility_local) && (get_entity_link(ent) != MARK)) {
remove_irp_irg(irg);
set_entity_peculiarity(ent, peculiarity_description);
- if (get_opt_dead_method_elimination_verbose()) {
+ if (get_opt_dead_method_elimination_verbose() && get_firm_verbosity() > 1) {
printf("dead method elimination: freeing method %s\n", get_entity_ld_name(ent));
}
}