Remove unnecessary tests.

[libfirm] / ir / opt / gvn_pre.c

diff --git a/ir/opt/gvn_pre.c b/ir/opt/gvn_pre.c
index 11aae21..51d33d3 100644 (file)
--- a/ir/opt/gvn_pre.c
+++ b/ir/opt/gvn_pre.c
@@ -152,20 +152,20 @@ typedef struct gvnpre_statistics {
        int infinite_loops;
 } gvnpre_statistics;
 
-gvnpre_statistics *gvnpre_stats = NULL;
+static gvnpre_statistics *gvnpre_stats = NULL;
 
-static void init_stats()
+static void init_stats(void)
 {
        gvnpre_stats = XMALLOCZ(gvnpre_statistics);
 }
 
-static void free_stats()
+static void free_stats(void)
 {
        free(gvnpre_stats);
        gvnpre_stats = NULL;
 }
 
-static void print_stats()
+static void print_stats(void)
 {
        gvnpre_statistics *stats = gvnpre_stats;
        DB((dbg, LEVEL_1, "replaced             : %d\n", stats->replaced));