Get rid of HLinkObjectInList.

src/hydrogen-instructions.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 117 matching lines @@
   V(InstanceOfKnownGlobal)                     \
   V(InstanceSize)                              \
   V(InvokeFunction)                            \
   V(IsConstructCallAndBranch)                  \
   V(IsObjectAndBranch)                         \
   V(IsNumberAndBranch)                         \
   V(IsStringAndBranch)                         \
   V(IsSmiAndBranch)                            \
   V(IsUndetectableAndBranch)                   \
   V(LeaveInlined)                              \
-  V(LinkObjectInList)                          \
   V(LoadContextSlot)                           \
   V(LoadExternalArrayPointer)                  \
   V(LoadFieldByIndex)                          \
   V(LoadFunctionPrototype)                     \
   V(LoadGlobalCell)                            \
   V(LoadGlobalGeneric)                         \
   V(LoadKeyed)                                 \
   V(LoadKeyedGeneric)                          \
   V(LoadNamedField)                            \
   V(LoadNamedFieldPolymorphic)                 \
@@ skipping 5471 matching lines @@
   }
 
   static HObjectAccess ForAllocationSiteTransitionInfo() {
     return HObjectAccess(kInobject, AllocationSite::kTransitionInfoOffset);
   }
 
   static HObjectAccess ForAllocationSiteWeakNext() {
     return HObjectAccess(kInobject, AllocationSite::kWeakNextOffset);
   }
 
+  static HObjectAccess ForAllocationSiteList() {
+    return HObjectAccess(kExternalMemory, 0, Representation::Tagged());
+  }
+
   static HObjectAccess ForFixedArrayLength() {
     return HObjectAccess(
         kArrayLengths,
         FixedArray::kLengthOffset,
         FLAG_track_fields ? Representation::Smi() : Representation::Tagged());
   }
 
   static HObjectAccess ForPropertiesPointer() {
     return HObjectAccess(kInobject, JSObject::kPropertiesOffset);
   }
@@ skipping 86 matching lines @@
 
   friend class HLoadNamedField;
   friend class HStoreNamedField;
 
   inline Portion portion() const {
     return PortionField::decode(value_);
   }
 };
 
 
-class HLinkObjectInList: public HUnaryOperation {
- public:
-  // There needs to be a mapping from every KnownList to an external reference
-  enum KnownList {
-    ALLOCATION_SITE_LIST
-  };
-
-  HLinkObjectInList(HValue* object, HObjectAccess store_field,
-                    KnownList known_list)
-      : HUnaryOperation(object),
-        store_field_(store_field),
-        known_list_(known_list) {
-    set_representation(Representation::Tagged());
-  }
-
-  HObjectAccess store_field() const { return store_field_; }
-  KnownList known_list() const { return known_list_; }
-
-  virtual Representation RequiredInputRepresentation(int index) {
-    return Representation::Tagged();
-  }
-
-  virtual void PrintDataTo(StringStream* stream);
-
-  DECLARE_CONCRETE_INSTRUCTION(LinkObjectInList)
-
- private:
-  HObjectAccess store_field_;
-  KnownList known_list_;
-};
-
-
 class HLoadNamedField: public HTemplateInstruction<2> {
  public:
   HLoadNamedField(HValue* object,
                   HObjectAccess access,
                   HValue* typecheck = NULL)
       : access_(access) {
     ASSERT(object != NULL);
     SetOperandAt(0, object);
     SetOperandAt(1, typecheck != NULL ? typecheck : object);
 
@@ skipping 1212 matching lines @@
   virtual bool IsDeletable() const { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_