execfreq calculation fails in case of unreachable code

diff --git a/ir/ana/execfreq.c b/ir/ana/execfreq.c
index 35c5c65..e07e51b 100644 (file)
--- a/ir/ana/execfreq.c
+++ b/ir/ana/execfreq.c
@@ -240,7 +240,8 @@ void ir_estimate_execfreq(ir_graph *irg)
 
        assure_irg_properties(irg,
                IR_GRAPH_PROPERTY_CONSISTENT_OUT_EDGES
-               | IR_GRAPH_PROPERTY_CONSISTENT_LOOPINFO);
+               | IR_GRAPH_PROPERTY_CONSISTENT_LOOPINFO
+               | IR_GRAPH_PROPERTY_NO_UNREACHABLE_CODE);
 
        /* compute a DFS.
         * using a toposort on the CFG (without back edges) will propagate