iropt: Remove repeated get_irn_irg().

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 8af1b82..348f93e 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2076,7 +2076,6 @@ static ir_node *transform_node_bitop_shift(ir_node *n)
                return n;
        }
 
-       irg       = get_irn_irg(n);
        block     = get_nodes_block(n);
        dbg_bitop = get_irn_dbg_info(n);
        dbg_shift = get_irn_dbg_info(left);