[runtime] Add DescriptorArray::GeneralizeAllFields().

src/objects.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 3226 matching lines @@
   static inline int GetValueOffset(int descriptor_number);
   inline Object** GetDescriptorStartSlot(int descriptor_number);
   inline Object** GetDescriptorEndSlot(int descriptor_number);
   inline PropertyDetails GetDetails(int descriptor_number);
   inline int GetFieldIndex(int descriptor_number);
   inline FieldType* GetFieldType(int descriptor_number);
 
   inline Name* GetSortedKey(int descriptor_number);
   inline int GetSortedKeyIndex(int descriptor_number);
   inline void SetSortedKey(int pointer, int descriptor_number);
-  inline void SetRepresentation(int descriptor_number,
-                                Representation representation);
 
   // Accessor for complete descriptor.
   inline void Get(int descriptor_number, Descriptor* desc);
   inline void Set(int descriptor_number, Descriptor* desc);
   inline void Set(int descriptor_number, Name* key, Object* value,
                   PropertyDetails details);
   void Replace(int descriptor_number, Descriptor* descriptor);
 
+  // Generalizes representation and field type of all field descriptors.
+  void GeneralizeAllFields();
+
   // Append automatically sets the enumeration index. This should only be used
   // to add descriptors in bulk at the end, followed by sorting the descriptor
   // array.
   inline void Append(Descriptor* desc);
 
   static Handle<DescriptorArray> CopyUpTo(Handle<DescriptorArray> desc,
                                           int enumeration_index,
                                           int slack = 0);
 
   static Handle<DescriptorArray> CopyUpToAddAttributes(
@@ skipping 2763 matching lines @@
   inline int GetInObjectPropertyOffset(int index);
 
   int NumberOfFields();
 
   // TODO(ishell): candidate with JSObject::MigrateToMap().
   bool InstancesNeedRewriting(Map* target);
   bool InstancesNeedRewriting(Map* target, int target_number_of_fields,
                               int target_inobject, int target_unused,
                               int* old_number_of_fields);
   // TODO(ishell): moveit!
-  static Handle<Map> GeneralizeAllFieldRepresentations(Handle<Map> map);
+  static Handle<Map> GeneralizeAllFields(Handle<Map> map);
   MUST_USE_RESULT static Handle<FieldType> GeneralizeFieldType(
       Representation rep1, Handle<FieldType> type1, Representation rep2,
       Handle<FieldType> type2, Isolate* isolate);
   static void GeneralizeField(Handle<Map> map, int modify_index,
                               Representation new_representation,
                               Handle<FieldType> new_field_type);
 
   static Handle<Map> ReconfigureProperty(Handle<Map> map, int modify_index,
                                          PropertyKind new_kind,
                                          PropertyAttributes new_attributes,
@@ skipping 438 matching lines @@
                                            int index,
                                            TransitionFlag flag);
   static MUST_USE_RESULT MaybeHandle<Map> TryReconfigureExistingProperty(
       Handle<Map> map, int descriptor, PropertyKind kind,
       PropertyAttributes attributes, const char** reason);
 
   static Handle<Map> CopyNormalized(Handle<Map> map,
                                     PropertyNormalizationMode mode);
 
   // TODO(ishell): Move to MapUpdater.
-  static Handle<Map> CopyGeneralizeAllRepresentations(
+  static Handle<Map> CopyGeneralizeAllFields(
       Handle<Map> map, ElementsKind elements_kind, int modify_index,
       StoreMode store_mode, PropertyKind kind, PropertyAttributes attributes,
       const char* reason);
 
   // Fires when the layout of an object with a leaf map changes.
   // This includes adding transitions to the leaf map or changing
   // the descriptor array.
   inline void NotifyLeafMapLayoutChange();
 
   void DeprecateTransitionTree();
@@ skipping 5140 matching lines @@
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #include "src/objects/object-macros-undef.h"
 
 #endif  // V8_OBJECTS_H_