fix a bug in constraint enforcement; improve phi handling and phi0 construction ...

[libfirm] / ir / be / bechordal.c

diff --git a/ir/be/bechordal.c b/ir/be/bechordal.c
index 8ad71c1..7c3bafa 100644 (file)
--- a/ir/be/bechordal.c
+++ b/ir/be/bechordal.c
@@ -674,17 +674,17 @@ static void pressure(ir_node *block, void *env_ptr)
                                        border_def(proj, step, 1);
                                }
                        }
-               }
-
-               /*
-                * If the node defines some value, which can put into a
-                * register of the current class, make a border for it.
-                */
-               if (has_reg_class(env, irn)) {
-                       int nr = get_irn_idx(irn);
-
-                       bitset_clear(live, nr);
-                       border_def(irn, step, 1);
+               } else {
+                       /*
+                        * If the node defines some value, which can put into a
+                        * register of the current class, make a border for it.
+                        */
+                       if (has_reg_class(env, irn)) {
+                               int nr = get_irn_idx(irn);
+
+                               bitset_clear(live, nr);
+                               border_def(irn, step, 1);
+                       }
                }
 
                /*