#include "tm.h"
#include "rtl.h"
#include "hard-reg-set.h"
+#include "obstack.h"
#include "basic-block.h"
#include "cfgloop.h"
#include "cfglayout.h"
{
struct loops *loops = xcalloc (1, sizeof (struct loops));
edge e;
+ edge_iterator ei;
static bool first_time = true;
if (first_time)
/* Avoid annoying special cases of edges going to exit
block. */
- for (e = EXIT_BLOCK_PTR->pred; e; e = e->pred_next)
- if ((e->flags & EDGE_FALLTHRU) && e->src->succ->succ_next)
+
+ for (ei = ei_start (EXIT_BLOCK_PTR->preds); (e = ei_safe_edge (ei)); )
+ if ((e->flags & EDGE_FALLTHRU) && EDGE_COUNT (e->src->succs) > 1)
split_edge (e);
+ else
+ ei_next (&ei);
/* Find the loops. */