call optimize_cf() to delete dead-code that might arise after cond_eval

[libfirm] / ir / opt / reassoc.c

diff --git a/ir/opt/reassoc.c b/ir/opt/reassoc.c
index b390e73..8cfcd8c 100644 (file)
--- a/ir/opt/reassoc.c
+++ b/ir/opt/reassoc.c
@@ -169,11 +169,6 @@ static int reassoc_Sub(ir_node **in)
                        return 0;
                }
 
-               if (!get_opt_overflow_unsafe_transform() && !mode_is_signed(rmode)) {
-                       /* do not transform unsigned, overflow will occur */
-                       return 0;
-               }
-
                mode = get_irn_mode(n);
                dbi  = get_irn_dbg_info(n);