fix bug introduced in 'cleanup' commit
[libfirm] / ir / opt / tropt.c
index 16b9ab4..8762a8f 100644 (file)
@@ -22,7 +22,6 @@
  * @brief   Perform optimizations of the type representation.
  * @date    20.4.2005
  * @author  Goetz Lindenmaier
- * @version $Id$
  */
 #include "config.h"
 
@@ -62,20 +61,9 @@ static gen_pointer_type_to_func gen_pointer_type_to = default_gen_pointer_type_t
  */
 static ir_type *default_gen_pointer_type_to(ir_type *tp)
 {
-       ir_type *res = NULL;
-       if (get_trouts_state() == outs_consistent) {
-               if (get_type_n_pointertypes_to(tp) > 0) {
-                       res = get_type_pointertype_to(tp, 0);
-               } else {
-                       res = new_type_pointer(tp);
-                       /* Update trout for pointer types, so we can use it in next call. */
-                       add_type_pointertype_to(tp, res);
-               }
-       } else {
-               res = find_pointer_type_to_type(tp);
-               if (res == firm_unknown_type)
-                       res = new_type_pointer(tp);
-       }
+       ir_type *res = find_pointer_type_to_type(tp);
+       if (is_unknown_type(res))
+               res = new_type_pointer(tp);
 
        return res;
 }
@@ -136,7 +124,6 @@ static ir_node *normalize_values_type(ir_type *totype, ir_node *pred)
                        pred = new_cast;
                        ++n_casts_normalized;
                        set_irn_typeinfo_type(new_cast, new_type);  /* keep type information up to date. */
-                       if (get_trouts_state() != outs_none) add_type_cast(new_type, new_cast);
                }
        } else {
                assert(is_SuperClass_of(totype, fromtype));
@@ -157,7 +144,6 @@ static ir_node *normalize_values_type(ir_type *totype, ir_node *pred)
                        pred = new_cast;
                        ++n_casts_normalized;
                        set_irn_typeinfo_type(new_cast, new_type);  /* keep type information up to date. */
-                       if (get_trouts_state() != outs_none) add_type_cast(new_type, new_cast);
                }
        }
        return new_cast;
@@ -190,9 +176,8 @@ static void normalize_irn_class_cast(ir_node *n, void *env)
 static void pure_normalize_irg_class_casts(ir_graph *irg)
 {
        assert(get_irg_class_cast_state(irg) != ir_class_casts_any &&
-               "Cannot normalize irregular casts.");
+              "Cannot normalize irregular casts.");
        if (get_irg_class_cast_state(irg) == ir_class_casts_normalized) {
-               verify_irg_class_cast_state(irg);
                return;
        }
 
@@ -488,14 +473,6 @@ void optimize_class_casts(void)
        changed = 0;
        all_irg_walk(NULL, irn_optimize_class_cast, &changed);
 
-       if (changed) {
-               size_t i, n;
-
-               set_trouts_inconsistent();
-               for (i = 0, n = get_irp_n_irgs(); i < n; ++i)
-                       set_irg_outs_inconsistent(get_irp_irg(i));
-       }
-
        DB((dbg, SET_LEVEL_1, " Cast optimization: %zu Casts removed, %zu Sels concretized.\n",
                n_casts_removed, n_sels_concretized));
 }