[Interpreter] Add support for property load operations.

src/compiler/interpreter-assembler.cc

 // 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.
 
 #include "src/compiler/interpreter-assembler.h"
 
 #include <ostream>
 
 #include "src/compiler/graph.h"
 #include "src/compiler/instruction-selector.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/machine-type.h"
 #include "src/compiler/pipeline.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/schedule.h"
 #include "src/frames.h"
+#include "src/interface-descriptors.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/macro-assembler.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 
 InterpreterAssembler::InterpreterAssembler(Isolate* isolate, Zone* zone,
@@ skipping 189 matching lines @@
   return raw_assembler_->Load(kMachAnyTagged, context,
                               IntPtrConstant(Context::SlotOffset(slot_index)));
 }
 
 
 Node* InterpreterAssembler::LoadContextSlot(int slot_index) {
   return LoadContextSlot(ContextTaggedPointer(), slot_index);
 }
 
 
+Node* InterpreterAssembler::LoadTypeFeedbackVector() {
+  Node* function = raw_assembler_->Load(
+      kMachAnyTagged, RegisterFileRawPointer(),
+      IntPtrConstant(InterpreterFrameConstants::kFunctionFromRegisterPointer));
+  Node* shared_info =
+      LoadObjectField(function, JSFunction::kSharedFunctionInfoOffset);
+  Node* vector =
+      LoadObjectField(shared_info, SharedFunctionInfo::kFeedbackVectorOffset);
+  return vector;
+}
+
+
+Node* InterpreterAssembler::CallIC(CallInterfaceDescriptor descriptor,
+                                   Node* target, Node* arg1, Node* arg2,
+                                   Node* arg3, Node* arg4) {
+  CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor(
+      isolate(), zone(), descriptor, 0, CallDescriptor::kNoFlags);
+
+  Node** args = zone()->NewArray<Node*>(5);
+  args[0] = arg1;
+  args[1] = arg2;
+  args[2] = arg3;
+  args[3] = arg4;
+  args[4] = ContextTaggedPointer();
+
+  return raw_assembler_->CallN(call_descriptor, target, args);
+}
+
+
 Node* InterpreterAssembler::CallJSBuiltin(int context_index, Node* receiver,
                                           Node** js_args, int js_arg_count) {
   Node* global_object = LoadContextSlot(Context::GLOBAL_OBJECT_INDEX);
   Node* native_context =
       LoadObjectField(global_object, GlobalObject::kNativeContextOffset);
   Node* function = LoadContextSlot(native_context, context_index);
   Node* context = LoadObjectField(function, JSFunction::kContextOffset);
 
   int index = 0;
   Node** args = zone()->NewArray<Node*>(js_arg_count + 2);
@@ skipping 110 matching lines @@
   return raw_assembler_->schedule();
 }
 
 
 Zone* InterpreterAssembler::zone() { return raw_assembler_->zone(); }
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8