anchor nodes are not real liveness users

[r20224]

diff --git a/ir/ana/irlivechk.c b/ir/ana/irlivechk.c
index 39090bc..973d9ac 100644 (file)
--- a/ir/ana/irlivechk.c
+++ b/ir/ana/irlivechk.c
@@ -112,6 +112,7 @@ static INLINE int is_liveness_node(const ir_node *irn)
        case iro_Block:
        case iro_Bad:
        case iro_End:
+       case iro_Anchor:
                return 0;
        default:;
        }