Turn StoreIC::Megamorphic into a builtin, get rid of the non-monomorphic-cache

src/ic/ic-compiler.h

 // Copyright 2014 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_IC_IC_COMPILER_H_
 #define V8_IC_IC_COMPILER_H_
 
 #include "src/ic/access-compiler.h"
 
 namespace v8 {
 namespace internal {
 
 
 class PropertyICCompiler : public PropertyAccessCompiler {
  public:
-  // Named
-  static Handle<Code> ComputeStore(Isolate* isolate, InlineCacheState ic_state,
-                                   ExtraICState extra_state);
-
   // Keyed
   static Handle<Code> ComputeKeyedLoadMonomorphicHandler(
       Handle<Map> receiver_map, ExtraICState extra_ic_state);
 
   static Handle<Code> ComputeKeyedStoreMonomorphicHandler(
-      Handle<Map> receiver_map, LanguageMode language_mode,
-      KeyedAccessStoreMode store_mode);
+      Handle<Map> receiver_map, KeyedAccessStoreMode store_mode);
   static void ComputeKeyedStorePolymorphicHandlers(
       MapHandleList* receiver_maps, MapHandleList* transitioned_maps,
-      CodeHandleList* handlers, KeyedAccessStoreMode store_mode,
-      LanguageMode language_mode);
+      CodeHandleList* handlers, KeyedAccessStoreMode store_mode);
 
   // Helpers
   // TODO(verwaest): Move all uses of these helpers to the PropertyICCompiler
   // and make the helpers private.
   static void GenerateRuntimeSetProperty(MacroAssembler* masm,
                                          LanguageMode language_mode);
 
 
  private:
-  PropertyICCompiler(Isolate* isolate, Code::Kind kind,
-                     ExtraICState extra_ic_state = kNoExtraICState,
-                     CacheHolderFlag cache_holder = kCacheOnReceiver)
-      : PropertyAccessCompiler(isolate, kind, cache_holder),
-        extra_ic_state_(extra_ic_state) {}
-
-  Handle<Code> CompileStoreMegamorphic(Code::Flags flags);
+  explicit PropertyICCompiler(Isolate* isolate)
+      : PropertyAccessCompiler(isolate, Code::KEYED_STORE_IC,
+                               kCacheOnReceiver) {}
 
   Handle<Code> CompileKeyedStoreMonomorphicHandler(
       Handle<Map> receiver_map, KeyedAccessStoreMode store_mode);
   void CompileKeyedStorePolymorphicHandlers(MapHandleList* receiver_maps,
                                             MapHandleList* transitioned_maps,
                                             CodeHandleList* handlers,
                                             KeyedAccessStoreMode store_mode);
-
-  Handle<Code> GetCode(Code::Kind kind, Handle<Name> name,
-                       InlineCacheState state = MONOMORPHIC);
-
-  Logger::LogEventsAndTags log_kind(Handle<Code> code) {
-    if (kind() == Code::LOAD_IC) {
-      return code->ic_state() == MONOMORPHIC ? Logger::LOAD_IC_TAG
-                                             : Logger::LOAD_POLYMORPHIC_IC_TAG;
-    } else if (kind() == Code::KEYED_LOAD_IC) {
-      return code->ic_state() == MONOMORPHIC
-                 ? Logger::KEYED_LOAD_IC_TAG
-                 : Logger::KEYED_LOAD_POLYMORPHIC_IC_TAG;
-    } else if (kind() == Code::STORE_IC) {
-      return code->ic_state() == MONOMORPHIC ? Logger::STORE_IC_TAG
-                                             : Logger::STORE_POLYMORPHIC_IC_TAG;
-    } else {
-      DCHECK_EQ(Code::KEYED_STORE_IC, kind());
-      return code->ic_state() == MONOMORPHIC
-                 ? Logger::KEYED_STORE_IC_TAG
-                 : Logger::KEYED_STORE_POLYMORPHIC_IC_TAG;
-    }
-  }
-
-  const ExtraICState extra_ic_state_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_IC_IC_COMPILER_H_