Remove an unnecessary global variable, use the walker environment.

[libfirm] / ir / be / bestat.c

diff --git a/ir/be/bestat.c b/ir/be/bestat.c
index 4e5a9c5..af25bb4 100644 (file)
--- a/ir/be/bestat.c
+++ b/ir/be/bestat.c
@@ -153,11 +153,9 @@ double be_estimate_irg_costs(ir_graph *irg, ir_exec_freq *execfreqs)
 
 
 
-static be_node_stats_t *stats;
-
 static void node_stat_walker(ir_node *irn, void *data)
 {
-       (void) data;
+       be_node_stats_t *const stats = data;
 
        /* if the node is a normal phi */
        if(is_Phi(irn)) {
@@ -184,10 +182,8 @@ static void node_stat_walker(ir_node *irn, void *data)
 
 void be_collect_node_stats(be_node_stats_t *new_stats, be_irg_t *birg)
 {
-       stats = new_stats;
-
-       memset(stats, 0, sizeof(*stats));
-       irg_walk_graph(birg->irg, NULL, node_stat_walker, NULL);
+       memset(new_stats, 0, sizeof(*new_stats));
+       irg_walk_graph(birg->irg, NULL, node_stat_walker, new_stats);
 }
 
 void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub)