normalize_n_returns does produce unreachable code and invalidates other stuff

[libfirm] / ir / opt / loop.c

diff --git a/ir/opt/loop.c b/ir/opt/loop.c
index 082464e..9da79e4 100644 (file)
--- a/ir/opt/loop.c
+++ b/ir/opt/loop.c
@@ -1355,8 +1355,8 @@ static void loop_inversion(ir_graph *irg)
                DEL_ARR_F(cur_head_outs);
 
                /* Duplicated blocks changed doms */
-               clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE);
-               set_irg_loopinfo_state(irg, loopinfo_cf_inconsistent);
+               clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE
+                                  | IR_GRAPH_STATE_CONSISTENT_LOOPINFO);
 
                ++stats.inverted;
        }
@@ -2738,19 +2738,19 @@ static ir_graph_state_t perform_loop_peeling(ir_graph *irg)
        return 0;
 }
 
-optdesc_t opt_unroll_loops = {
+static optdesc_t opt_unroll_loops = {
        "unroll-loops",
        IR_GRAPH_STATE_CONSISTENT_OUT_EDGES | IR_GRAPH_STATE_CONSISTENT_OUTS | IR_GRAPH_STATE_CONSISTENT_LOOPINFO,
        perform_loop_unrolling,
 };
 
-optdesc_t opt_invert_loops = {
+static optdesc_t opt_invert_loops = {
        "invert-loops",
        IR_GRAPH_STATE_CONSISTENT_OUT_EDGES | IR_GRAPH_STATE_CONSISTENT_OUTS | IR_GRAPH_STATE_CONSISTENT_LOOPINFO,
        perform_loop_inversion,
 };
 
-optdesc_t opt_peel_loops = {
+static optdesc_t opt_peel_loops = {
        "peel-loops",
        IR_GRAPH_STATE_CONSISTENT_OUT_EDGES | IR_GRAPH_STATE_CONSISTENT_OUTS | IR_GRAPH_STATE_CONSISTENT_LOOPINFO,
        perform_loop_peeling,