- at blockstart emit list of predblocks in comment

[libfirm] / ir / be / bera.c

diff --git a/ir/be/bera.c b/ir/be/bera.c
index 9a1bb75..2178ec7 100644 (file)
--- a/ir/be/bera.c
+++ b/ir/be/bera.c
@@ -18,6 +18,14 @@
 #include "besched_t.h"
 #include "belive_t.h"
 
+static sched_timestep_t get_time_step(const ir_node *irn)
+{
+       if(is_Phi(irn))
+               return 0;
+
+       return sched_get_time_step(irn);
+}
+
 int value_dominates(const ir_node *a, const ir_node *b)
 {
        int res = 0;
@@ -35,8 +43,8 @@ int value_dominates(const ir_node *a, const ir_node *b)
         * Dominance is determined by the time steps of the schedule.
         */
        } else {
-               sched_timestep_t as = sched_get_time_step(a);
-               sched_timestep_t bs = sched_get_time_step(b);
+               sched_timestep_t as = get_time_step(a);
+               sched_timestep_t bs = get_time_step(b);
                res = as <= bs;
        }
 
@@ -90,7 +98,7 @@ int values_interfere(const be_lv_t *lv, const ir_node *a, const ir_node *b)
                 * performed.
                 */
                foreach_out_edge(a, edge) {
-                       const ir_node *user = edge->src;
+                       const ir_node *user = get_edge_src_irn(edge);
                        if(get_nodes_block(user) == bb && !is_Phi(user) && b != user && value_dominates(b, user))
                                return 1;
                }