Fixed combo by fixing an old artefact from the older libFirm Cmp nodes.

[libfirm] / ir / lower / lower_mode_b.c

diff --git a/ir/lower/lower_mode_b.c b/ir/lower/lower_mode_b.c
index 6c79119..2821a67 100644 (file)
--- a/ir/lower/lower_mode_b.c
+++ b/ir/lower/lower_mode_b.c
@@ -215,10 +215,10 @@ static ir_node *lower_node(ir_node *node)
                ARR_APP1(ir_node*, lowered_nodes, node);
 
                for (i = 0; i < arity; ++i) {
-                       ir_node *in     = get_irn_n(node, i);
-                       ir_node *low_in = lower_node(in);
+                       ir_node *in         = get_irn_n(node, i);
+                       ir_node *lowered_in = is_Bad(in) ? in : lower_node(in);
 
-                       set_irn_n(new_phi, i, low_in);
+                       set_irn_n(new_phi, i, lowered_in);
                }
 
                return new_phi;
@@ -471,5 +471,9 @@ void ir_lower_mode_b(ir_graph *irg, const lower_mode_b_config_t *nconfig)
 
        if (changed) {
                set_irg_outs_inconsistent(irg);
+               /* lowering might create new blocks, so be sure to handle this */
+               set_irg_extblk_inconsistent(irg);
+               set_irg_doms_inconsistent(irg);
+               set_irg_loopinfo_inconsistent(irg);
        }
 }