load ics for js api accessors

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 19cfd5a1a83c7133c3fa8698b325112c0a81a3c9..c7c6bc3543d33070e2490f550e0321153dfe5320 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -315,6 +315,24 @@ Handle<Code> StubCache::ComputeLoadCallback(
 }
 
 
+Handle<Code> StubCache::ComputeLoadCallback(
+    Handle<Name> name,
+    Handle<JSObject> receiver,
+    Handle<JSObject> holder,
+    const CallOptimization& call_optimization) {
+  Handle<JSObject> stub_holder = StubHolder(receiver, holder);
+  Handle<Code> stub = FindLoadHandler(
+      name, receiver, stub_holder, Code::LOAD_IC, Code::CALLBACKS);
+  if (!stub.is_null()) return stub;
+
+  LoadStubCompiler compiler(isolate_);
+  Handle<Code> handler =
+      compiler.CompileLoadCallback(receiver, holder, name, call_optimization);
+  JSObject::UpdateMapCodeCache(stub_holder, name, handler);
+  return handler;
+}
+
+
 Handle<Code> StubCache::ComputeLoadViaGetter(Handle<Name> name,
                                              Handle<JSObject> receiver,
                                              Handle<JSObject> holder,
@@ -465,6 +483,24 @@ Handle<Code> StubCache::ComputeKeyedLoadCallback(
 }
 
 
+Handle<Code> StubCache::ComputeKeyedLoadCallback(
+    Handle<Name> name,
+    Handle<JSObject> receiver,
+    Handle<JSObject> holder,
+    const CallOptimization& call_optimization) {
+  Handle<JSObject> stub_holder = StubHolder(receiver, holder);
+  Handle<Code> stub = FindLoadHandler(
+      name, receiver, stub_holder, Code::KEYED_LOAD_IC, Code::CALLBACKS);
+  if (!stub.is_null()) return stub;
+
+  KeyedLoadStubCompiler compiler(isolate_);
+  Handle<Code> handler =
+      compiler.CompileLoadCallback(receiver, holder, name, call_optimization);
+  JSObject::UpdateMapCodeCache(stub_holder, name, handler);
+  return handler;
+}
+
+
 Handle<Code> StubCache::ComputeStoreField(Handle<Name> name,
                                           Handle<JSObject> receiver,
                                           LookupResult* lookup,
@@ -1648,6 +1684,25 @@ Handle<Code> BaseLoadStubCompiler::CompileLoadCallback(
 }
 
 
+Handle<Code> BaseLoadStubCompiler::CompileLoadCallback(
+    Handle<JSObject> object,
+    Handle<JSObject> holder,
+    Handle<Name> name,
+    const CallOptimization& call_optimization) {
+  ASSERT(call_optimization.is_simple_api_call());
+  Label success;
+
+  Handle<JSFunction> callback = call_optimization.constant_function();
+  CallbackHandlerFrontend(
+      object, receiver(), holder, name, &success, callback);
+  __ bind(&success);
+  GenerateLoadCallback(call_optimization);
+
+  // Return the generated code.
+  return GetCode(kind(), Code::CALLBACKS, name);
+}
+
+
 Handle<Code> BaseLoadStubCompiler::CompileLoadInterceptor(
     Handle<JSObject> object,
     Handle<JSObject> holder,