Remove a write-only local variable.

[libfirm] / ir / ana / irmemory.c

diff --git a/ir/ana/irmemory.c b/ir/ana/irmemory.c
index 99b5849..ebbc6d4 100644 (file)
--- a/ir/ana/irmemory.c
+++ b/ir/ana/irmemory.c
@@ -98,7 +98,7 @@ static ir_alias_relation check_const(ir_node *cns, int size) {
        tarval *tv_size;
 
        if (size == 0)
-               return classify_tarval(tv) != TV_CLASSIFY_NULL ? no_alias : may_alias;
+               return tarval_is_null(tv) ? may_alias : no_alias;
        tv_size = new_tarval_from_long(size, get_tarval_mode(tv));
        return tarval_cmp(tv_size, tv) & (pn_Cmp_Eq|pn_Cmp_Lt) ? no_alias : may_alias;
 }  /* check_const */