add docu and prototype for find_value()

[libfirm] / ir / ana / cdep.c

diff --git a/ir/ana/cdep.c b/ir/ana/cdep.c
index eb84076..7ca868a 100644 (file)
--- a/ir/ana/cdep.c
+++ b/ir/ana/cdep.c
@@ -147,6 +147,8 @@ void compute_cdep(ir_graph *irg)
        set_dump_block_edge_hook(cdep_edge_hook);
        dump_ir_block_graph(irg, "_cdep");
        set_dump_block_edge_hook(NULL);
+#else
+       (void) cdep_edge_hook;
 #endif
 
        /* restore the post dominator relation */