/**
* Walk over an interprocedural graph (callgraph).
* Visits only graphs in irg_set.
*/
static void irg_walk_cg(ir_node * node, ir_visited_t visited,
pset_new_t *irg_set, irg_walk_func *pre,
/**
* Walk over an interprocedural graph (callgraph).
* Visits only graphs in irg_set.
*/
static void irg_walk_cg(ir_node * node, ir_visited_t visited,
pset_new_t *irg_set, irg_walk_func *pre,