const ir_node *bl;
const ir_node *irn;
unsigned next_use;
- int is_set;
} be_use_t;
struct _be_uses_t {
}
static INLINE be_use_t *get_or_set_use(be_uses_t *uses,
- const ir_node *bl, const ir_node *irn, unsigned next_use)
+ const ir_node *bl, const ir_node *def, unsigned next_use)
{
- unsigned hash = HASH_COMBINE(HASH_PTR(bl), HASH_PTR(irn));
+ unsigned hash = HASH_COMBINE(HASH_PTR(bl), HASH_PTR(def));
be_use_t templ;
+ be_use_t* result;
templ.bl = bl;
- templ.irn = irn;
- templ.next_use = next_use;
- templ.is_set = 0;
- return set_insert(uses->uses, &templ, sizeof(templ), hash);
+ templ.irn = def;
+ templ.next_use = be_get_next_use(uses, sched_first(bl), 0, def, 0);
+ result = set_insert(uses->uses, &templ, sizeof(templ), hash);
+
+ return result;
}
unsigned be_get_next_use(be_uses_t *uses, const ir_node *from,
static unsigned get_next_use_bl(be_uses_t *uses, const ir_node *bl,
const ir_node *def)
{
- be_use_t *u;
-
- u = get_or_set_use(uses, bl, def, 0);
- if (! u->is_set) {
- u->is_set = 1;
- u->next_use = USES_INFINITY;
- u->next_use = be_get_next_use(uses, sched_first(bl), 0, def, 0);
- }
+ be_use_t *u = get_or_set_use(uses, bl, def, 0);
+
return u->next_use;
}