Convert PatchCache (and related methods) to use types rather than objects/maps.

src/stub-cache.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 75 matching lines @@
                       Code::ExtraICState extra_state = Code::kNoExtraICState,
                       InlineCacheHolderFlag cache_holder = OWN_MAP);
 
   Handle<Code> FindHandler(Handle<Name> name,
                            Handle<HeapObject> stub_holder,
                            Code::Kind kind,
                            InlineCacheHolderFlag cache_holder = OWN_MAP,
                            StrictModeFlag strict_mode = kNonStrictMode);
 
   Handle<Code> ComputeMonomorphicIC(Handle<Name> name,
-                                    Handle<Object> receiver,
+                                    Handle<Type> type,
                                     Handle<Code> handler,
                                     StrictModeFlag strict_mode);
 
   Handle<Code> ComputeLoadNonexistent(Handle<Name> name, Handle<Object> object);
 
   Handle<Code> ComputeKeyedLoadElement(Handle<Map> receiver_map);
 
   Handle<Code> ComputeKeyedStoreElement(Handle<Map> receiver_map,
                                         StrictModeFlag strict_mode,
                                         KeyedAccessStoreMode store_mode);
@@ skipping 59 matching lines @@
   Handle<Code> ComputeCompareNil(Handle<Map> receiver_map,
                                  CompareNilICStub& stub);
 
   // ---
 
   Handle<Code> ComputeLoadElementPolymorphic(MapHandleList* receiver_maps);
   Handle<Code> ComputeStoreElementPolymorphic(MapHandleList* receiver_maps,
                                               KeyedAccessStoreMode store_mode,
                                               StrictModeFlag strict_mode);
 
-  Handle<Code> ComputePolymorphicIC(MapHandleList* receiver_maps,
+  Handle<Code> ComputePolymorphicIC(TypeHandleList* types,
                                     CodeHandleList* handlers,
                                     int number_of_valid_maps,
                                     Handle<Name> name,
                                     StrictModeFlag strict_mode);
 
   // Finds the Code object stored in the Heap::non_monomorphic_cache().
   Code* FindCallInitialize(int argc, RelocInfo::Mode mode, Code::Kind kind);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   Handle<Code> ComputeCallDebugBreak(int argc, Code::Kind kind);
@@ skipping 338 matching lines @@
 class BaseLoadStoreStubCompiler: public StubCompiler {
  public:
   BaseLoadStoreStubCompiler(Isolate* isolate,
                             Code::Kind kind,
                             InlineCacheHolderFlag cache_holder = OWN_MAP)
       : StubCompiler(isolate), kind_(kind), cache_holder_(cache_holder) {
     InitializeRegisters();
   }
   virtual ~BaseLoadStoreStubCompiler() { }
 
-  Handle<Code> CompileMonomorphicIC(Handle<Map> receiver_map,
+  Handle<Code> CompileMonomorphicIC(Handle<Type> type,
                                     Handle<Code> handler,
                                     Handle<Name> name);
 
-  Handle<Code> CompilePolymorphicIC(MapHandleList* receiver_maps,
+  Handle<Code> CompilePolymorphicIC(TypeHandleList* types,
                                     CodeHandleList* handlers,
                                     Handle<Name> name,
                                     Code::StubType type,
                                     IcCheckType check);
 
   virtual void GenerateNameCheck(Handle<Name> name,
                                  Register name_reg,
                                  Label* miss) { }
 
   static Builtins::Name MissBuiltin(Code::Kind kind) {
@@ skipping 51 matching lines @@
 
   virtual Code::ExtraICState extra_state() { return Code::kNoExtraICState; }
   virtual Register receiver() = 0;
   virtual Register name() = 0;
   virtual Register scratch1() = 0;
   virtual Register scratch2() = 0;
   virtual Register scratch3() = 0;
 
   void InitializeRegisters();
 
-  bool HasHeapNumberMap(MapHandleList* receiver_maps);
+  bool IncludesNumberType(TypeHandleList* types);
 
   Code::Kind kind_;
   InlineCacheHolderFlag cache_holder_;
   Register* registers_;
 };
 
 
 class LoadStubCompiler: public BaseLoadStoreStubCompiler {
  public:
   LoadStubCompiler(Isolate* isolate,
@@ skipping 428 matching lines @@
   Handle<JSFunction> constant_function_;
   bool is_simple_api_call_;
   Handle<FunctionTemplateInfo> expected_receiver_type_;
   Handle<CallHandlerInfo> api_call_info_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_