Prototype implementation of GET_OWN_PROPERTY intrinsic.

src/hydrogen-instructions.h

 // Copyright 2012 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_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 6414 matching lines @@
 
   virtual bool IsDeletable() const V8_OVERRIDE { return true; }
 
   HObjectAccess access_;
   const UniqueSet<Map>* maps_;
 };
 
 
 class HLoadNamedGeneric V8_FINAL : public HTemplateInstruction<2> {
  public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P2(HLoadNamedGeneric, HValue*,
-                                              Handle<Object>);
+  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HLoadNamedGeneric, HValue*,
+                                              Handle<Object>, bool);
 
   HValue* context() const { return OperandAt(0); }
   HValue* object() const { return OperandAt(1); }
   Handle<Object> name() const { return name_; }
 
   int slot() const {
     DCHECK(FLAG_vector_ics &&
            slot_ != FeedbackSlotInterface::kInvalidFeedbackSlot);
     return slot_;
   }
   Handle<FixedArray> feedback_vector() const { return feedback_vector_; }
   void SetVectorAndSlot(Handle<FixedArray> vector, int slot) {
     DCHECK(FLAG_vector_ics);
     feedback_vector_ = vector;
     slot_ = slot;
   }
+  bool is_own_property() { return is_own_property_; }
 
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
     return Representation::Tagged();
   }
 
   virtual OStream& PrintDataTo(OStream& os) const V8_OVERRIDE;  // NOLINT
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric)
 
  private:
-  HLoadNamedGeneric(HValue* context, HValue* object, Handle<Object> name)
+  HLoadNamedGeneric(HValue* context, HValue* object, 
+                    Handle<Object> name, bool is_own_property)
       : name_(name),
-        slot_(FeedbackSlotInterface::kInvalidFeedbackSlot) {
+        slot_(FeedbackSlotInterface::kInvalidFeedbackSlot),
+        is_own_property_(is_own_property) {
     SetOperandAt(0, context);
     SetOperandAt(1, object);
     set_representation(Representation::Tagged());
     SetAllSideEffects();
   }
 
   Handle<Object> name_;
   Handle<FixedArray> feedback_vector_;
   int slot_;
+  bool is_own_property_;
 };
 
 
 class HLoadFunctionPrototype V8_FINAL : public HUnaryOperation {
  public:
   DECLARE_INSTRUCTION_FACTORY_P1(HLoadFunctionPrototype, HValue*);
 
   HValue* function() { return OperandAt(0); }
 
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
@@ skipping 220 matching lines @@
     {};  // NOLINT
   class IsDehoistedField:
     public BitField<bool, kStartIsDehoisted, kBitsForIsDehoisted>
     {};  // NOLINT
   uint32_t bit_field_;
 };
 
 
 class HLoadKeyedGeneric V8_FINAL : public HTemplateInstruction<3> {
  public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P2(HLoadKeyedGeneric, HValue*,
-                                              HValue*);
+  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HLoadKeyedGeneric, HValue*,
+                                              HValue*, bool);
   HValue* object() const { return OperandAt(0); }
   HValue* key() const { return OperandAt(1); }
   HValue* context() const { return OperandAt(2); }
   int slot() const {
     DCHECK(FLAG_vector_ics &&
            slot_ != FeedbackSlotInterface::kInvalidFeedbackSlot);
     return slot_;
   }
+  bool is_own_property() const { return is_own_property_; } 
   Handle<FixedArray> feedback_vector() const { return feedback_vector_; }
   void SetVectorAndSlot(Handle<FixedArray> vector, int slot) {
     DCHECK(FLAG_vector_ics);
     feedback_vector_ = vector;
     slot_ = slot;
   }
 
   virtual OStream& PrintDataTo(OStream& os) const V8_OVERRIDE;  // NOLINT
 
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
     // tagged[tagged]
     return Representation::Tagged();
   }
 
   virtual HValue* Canonicalize() V8_OVERRIDE;
 
   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric)
 
  private:
-  HLoadKeyedGeneric(HValue* context, HValue* obj, HValue* key)
-      : slot_(FeedbackSlotInterface::kInvalidFeedbackSlot) {
+  HLoadKeyedGeneric(HValue* context, HValue* obj, HValue* key, bool is_own_property)
+      : slot_(FeedbackSlotInterface::kInvalidFeedbackSlot),
+        is_own_property_(is_own_property) {
     set_representation(Representation::Tagged());
     SetOperandAt(0, obj);
     SetOperandAt(1, key);
     SetOperandAt(2, context);
     SetAllSideEffects();
   }
 
   Handle<FixedArray> feedback_vector_;
   int slot_;
+  bool is_own_property_;
 };
 
 
 // Indicates whether the store is a store to an entry that was previously
 // initialized or not.
 enum StoreFieldOrKeyedMode {
   // The entry could be either previously initialized or not.
   INITIALIZING_STORE,
   // At the time of this store it is guaranteed that the entry is already
   // initialized.
@@ skipping 1092 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_