Reland arguments access support for inlined functions (r11109,r11118).

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 1336 matching lines @@
 };
 
 
 class HEnterInlined: public HTemplateInstruction<0> {
  public:
   HEnterInlined(Handle<JSFunction> closure,
                 int arguments_count,
                 FunctionLiteral* function,
                 CallKind call_kind,
                 bool is_construct,
-                Variable* arguments)
+                Variable* arguments_var,
+                ZoneList<HValue*>* arguments_values)
       : closure_(closure),
         arguments_count_(arguments_count),
         function_(function),
         call_kind_(call_kind),
         is_construct_(is_construct),
-        arguments_(arguments) {
+        arguments_var_(arguments_var),
+        arguments_values_(arguments_values) {
   }
 
   virtual void PrintDataTo(StringStream* stream);
 
   Handle<JSFunction> closure() const { return closure_; }
   int arguments_count() const { return arguments_count_; }
   FunctionLiteral* function() const { return function_; }
   CallKind call_kind() const { return call_kind_; }
   bool is_construct() const { return is_construct_; }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
-  Variable* arguments() { return arguments_; }
+  Variable* arguments_var() { return arguments_var_; }
+  ZoneList<HValue*>* arguments_values() { return arguments_values_; }
 
   DECLARE_CONCRETE_INSTRUCTION(EnterInlined)
 
  private:
   Handle<JSFunction> closure_;
   int arguments_count_;
   FunctionLiteral* function_;
   CallKind call_kind_;
   bool is_construct_;
-  Variable* arguments_;
+  Variable* arguments_var_;
+  ZoneList<HValue*>* arguments_values_;
 };
 
 
 class HLeaveInlined: public HTemplateInstruction<0> {
  public:
-  HLeaveInlined() {}
+  explicit HLeaveInlined(bool arguments_pushed)
+      : arguments_pushed_(arguments_pushed) { }
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
+  bool arguments_pushed() {
+    return arguments_pushed_;
+  }
+
   DECLARE_CONCRETE_INSTRUCTION(LeaveInlined)
+
+ private:
+  bool arguments_pushed_;
 };
 
 
 class HPushArgument: public HUnaryOperation {
  public:
   explicit HPushArgument(HValue* value) : HUnaryOperation(value) {
     set_representation(Representation::Tagged());
   }
 
   virtual Representation RequiredInputRepresentation(int index) {
@@ skipping 1159 matching lines @@
   HValue* receiver() { return OperandAt(1); }
   HValue* length() { return OperandAt(2); }
   HValue* elements() { return OperandAt(3); }
 
   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments)
 };
 
 
 class HArgumentsElements: public HTemplateInstruction<0> {
  public:
-  HArgumentsElements() {
+  explicit HArgumentsElements(bool from_inlined) : from_inlined_(from_inlined) {
     // The value produced by this instruction is a pointer into the stack
     // that looks as if it was a smi because of alignment.
     set_representation(Representation::Tagged());
     SetFlag(kUseGVN);
   }
 
   DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements)
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
+  bool from_inlined() const { return from_inlined_; }
+
  protected:
   virtual bool DataEquals(HValue* other) { return true; }
+
+  bool from_inlined_;
 };
 
 
 class HArgumentsLength: public HUnaryOperation {
  public:
   explicit HArgumentsLength(HValue* value) : HUnaryOperation(value) {
     set_representation(Representation::Integer32());
     SetFlag(kUseGVN);
   }
 
@@ skipping 2252 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex);
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_