added additional source (new copymin heuristic)

[libfirm] / ir / be / bechordal.c

diff --git a/ir/be/bechordal.c b/ir/be/bechordal.c
index b148380..1ac2f80 100644 (file)
--- a/ir/be/bechordal.c
+++ b/ir/be/bechordal.c
@@ -317,9 +317,10 @@ static ir_node *pre_process_constraints(be_chordal_alloc_env_t *alloc_env, be_in
                                which also occur as output constraints, so insert a copy.
                        */
                        if(bitset_popcnt(bs) > 0) {
-                               copy                 = be_new_Copy(op->req.cls, env->irg, bl, op->carrier);
-                               insn->ops[i].carrier = copy;
+                               copy        = be_new_Copy(op->req.cls, env->irg, bl, op->carrier);
+                               op->carrier = copy;
                                sched_add_before(insn->irn, copy);
+                               set_irn_n(insn->irn, op->pos, op->carrier);
 
                                DBG((dbg, LEVEL_2, "adding copy for interfering and constrained op %+F\n", op->carrier));
                        }