Use type feedback for Array (non-constructor) call sites.

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 951 matching lines @@
 
 // Subset of FUNCTIONS_WITH_ID_LIST with custom constant/global call
 // IC stubs.
 #define CUSTOM_CALL_IC_GENERATORS(V)            \
   V(ArrayPush)                                  \
   V(ArrayPop)                                   \
   V(StringCharCodeAt)                           \
   V(StringCharAt)                               \
   V(StringFromCharCode)                         \
   V(MathFloor)                                  \
-  V(MathAbs)
+  V(MathAbs)                                    \
+  V(ArrayCode)
+
+
+#define SITE_SPECIFIC_CALL_GENERATORS(V)        \
+  V(ArrayCode)
 
 
 class CallOptimization;
 
 class CallStubCompiler: public StubCompiler {
  public:
   CallStubCompiler(Isolate* isolate,
                    int argc,
                    Code::Kind kind,
                    Code::ExtraICState extra_state,
@@ skipping 22 matching lines @@
                                       Handle<JSObject> holder,
                                       Handle<Name> name);
 
   Handle<Code> CompileCallGlobal(Handle<JSObject> object,
                                  Handle<GlobalObject> holder,
                                  Handle<PropertyCell> cell,
                                  Handle<JSFunction> function,
                                  Handle<Name> name);
 
   static bool HasCustomCallGenerator(Handle<JSFunction> function);
+  static bool CanBeCached(Handle<JSFunction> function);
 
  private:
   // Compiles a custom call constant/global IC.  For constant calls cell is
   // NULL.  Returns an empty handle if there is no custom call code for the
   // given function.
   Handle<Code> CompileCustomCall(Handle<Object> object,
                                  Handle<JSObject> holder,
                                  Handle<Cell> cell,
                                  Handle<JSFunction> function,
-                                 Handle<String> name);
+                                 Handle<String> name,
+                                 Code::StubType type);
 
 #define DECLARE_CALL_GENERATOR(name)                                    \
   Handle<Code> Compile##name##Call(Handle<Object> object,               \
                                    Handle<JSObject> holder,             \
                                    Handle<Cell> cell,                   \
                                    Handle<JSFunction> function,         \
-                                   Handle<String> fname);
+                                   Handle<String> fname,                \
+                                   Code::StubType type);
   CUSTOM_CALL_IC_GENERATORS(DECLARE_CALL_GENERATOR)
 #undef DECLARE_CALL_GENERATOR
 
   Handle<Code> CompileFastApiCall(const CallOptimization& optimization,
                                   Handle<Object> object,
                                   Handle<JSObject> holder,
                                   Handle<Cell> cell,
                                   Handle<JSFunction> function,
                                   Handle<String> name);
 
@@ skipping 70 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_