Run control flow optimisation once, because the backend does not like Bad nodes.

[r18400]

diff --git a/main.c b/main.c
index ac08815..7897eec 100644 (file)
--- a/main.c
+++ b/main.c
@@ -79,9 +79,9 @@ static void initialize_firm(void)
        dump_keepalive_edges(1);
 }
 
-static void dump(const char *suffix)
+static void dump(ir_graph *irg, const char *suffix)
 {
-       dump_ir_block_graph(current_ir_graph, suffix);
+       dump_ir_block_graph(irg, suffix);
 }
 
 static void get_output_name(char *buf, size_t buflen, const char *inputname,
@@ -185,8 +185,10 @@ static void create_firm_prog(translation_unit_t *unit)
 
        int n_irgs = get_irp_n_irgs();
        for(int i = 0; i < n_irgs; ++i) {
-               current_ir_graph = get_irp_irg(i);
-               dump("-start");
+               ir_graph *const irg = get_irp_irg(i);
+               dump(irg, "-start");
+               optimize_cf(irg);
+               dump(irg, "-cf");
        }
 }