[Arguments] Merge (7442,7496] from bleeding_edge.

src/hydrogen-instructions.h

 // Copyright 2011 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 106 matching lines @@
   V(IsNull)                                    \
   V(IsObject)                                  \
   V(IsSmi)                                     \
   V(IsConstructCall)                           \
   V(JSArrayLength)                             \
   V(LeaveInlined)                              \
   V(LoadContextSlot)                           \
   V(LoadElements)                              \
   V(LoadExternalArrayPointer)                  \
   V(LoadFunctionPrototype)                     \
-  V(LoadGlobal)                                \
+  V(LoadGlobalCell)                            \
+  V(LoadGlobalGeneric)                         \
   V(LoadKeyedFastElement)                      \
   V(LoadKeyedGeneric)                          \
   V(LoadKeyedSpecializedArrayElement)          \
   V(LoadNamedField)                            \
   V(LoadNamedFieldPolymorphic)                 \
   V(LoadNamedGeneric)                          \
   V(Mod)                                       \
   V(Mul)                                       \
   V(ObjectLiteral)                             \
   V(OsrEntry)                                  \
   V(OuterContext)                              \
   V(Parameter)                                 \
   V(Power)                                     \
   V(PushArgument)                              \
   V(RegExpLiteral)                             \
   V(Return)                                    \
   V(Sar)                                       \
   V(Shl)                                       \
   V(Shr)                                       \
   V(Simulate)                                  \
   V(StackCheck)                                \
   V(StoreContextSlot)                          \
-  V(StoreGlobal)                               \
+  V(StoreGlobalCell)                           \
+  V(StoreGlobalGeneric)                        \
   V(StoreKeyedFastElement)                     \
   V(StoreKeyedSpecializedArrayElement)         \
   V(StoreKeyedGeneric)                         \
   V(StoreNamedField)                           \
   V(StoreNamedGeneric)                         \
   V(StringCharCodeAt)                          \
   V(StringCharFromCode)                        \
   V(StringLength)                              \
   V(Sub)                                       \
   V(Test)                                      \
@@ skipping 763 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(Throw, "throw")
 };
 
 
 class HChange: public HUnaryOperation {
  public:
   HChange(HValue* value,
           Representation from,
           Representation to,
           bool is_truncating)
-      : HUnaryOperation(value), from_(from), to_(to) {
+      : HUnaryOperation(value), from_(from) {
     ASSERT(!from.IsNone() && !to.IsNone());
     ASSERT(!from.Equals(to));
     set_representation(to);
     SetFlag(kUseGVN);
     if (is_truncating) SetFlag(kTruncatingToInt32);
     if (from.IsInteger32() && to.IsTagged() && value->range() != NULL &&
         value->range()->IsInSmiRange()) {
       set_type(HType::Smi());
     }
   }
 
   virtual HValue* EnsureAndPropagateNotMinusZero(BitVector* visited);
 
   Representation from() const { return from_; }
-  Representation to() const { return to_; }
+  Representation to() const { return representation(); }
   virtual Representation RequiredInputRepresentation(int index) const {
     return from_;
   }
 
   bool CanTruncateToInt32() const { return CheckFlag(kTruncatingToInt32); }
 
   virtual void PrintDataTo(StringStream* stream);
 
   DECLARE_CONCRETE_INSTRUCTION(Change,
                                CanTruncateToInt32() ? "truncate" : "change")
 
  protected:
   virtual bool DataEquals(HValue* other) {
     if (!other->IsChange()) return false;
     HChange* change = HChange::cast(other);
     return value() == change->value()
         && to().Equals(change->to());
   }
 
  private:
   Representation from_;
-  Representation to_;
 };
 
 
 class HSimulate: public HInstruction {
  public:
   HSimulate(int ast_id, int pop_count, int environment_length)
       : ast_id_(ast_id),
         pop_count_(pop_count),
         environment_length_(environment_length),
         values_(2),
@@ skipping 1820 matching lines @@
   HUnknownOSRValue() { set_representation(Representation::Tagged()); }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::None();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown_osr_value")
 };
 
 
-class HLoadGlobal: public HTemplateInstruction<0> {
+class HLoadGlobalCell: public HTemplateInstruction<0> {
  public:
-  HLoadGlobal(Handle<JSGlobalPropertyCell> cell, bool check_hole_value)
+  HLoadGlobalCell(Handle<JSGlobalPropertyCell> cell, bool check_hole_value)
       : cell_(cell), check_hole_value_(check_hole_value) {
     set_representation(Representation::Tagged());
     SetFlag(kUseGVN);
     SetFlag(kDependsOnGlobalVars);
   }
 
   Handle<JSGlobalPropertyCell>  cell() const { return cell_; }
   bool check_hole_value() const { return check_hole_value_; }
 
   virtual void PrintDataTo(StringStream* stream);
 
   virtual intptr_t Hashcode() {
     ASSERT(!HEAP->allow_allocation(false));
     return reinterpret_cast<intptr_t>(*cell_);
   }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::None();
   }
 
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobal, "load_global")
+  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalCell, "load_global_cell")
 
  protected:
   virtual bool DataEquals(HValue* other) {
-    HLoadGlobal* b = HLoadGlobal::cast(other);
+    HLoadGlobalCell* b = HLoadGlobalCell::cast(other);
     return cell_.is_identical_to(b->cell());
   }
 
  private:
   Handle<JSGlobalPropertyCell> cell_;
   bool check_hole_value_;
 };
 
 
-class HStoreGlobal: public HUnaryOperation {
+class HLoadGlobalGeneric: public HBinaryOperation {
  public:
-  HStoreGlobal(HValue* value,
-               Handle<JSGlobalPropertyCell> cell,
-               bool check_hole_value)
+  HLoadGlobalGeneric(HValue* context,
+                     HValue* global_object,
+                     Handle<Object> name,
+                     bool for_typeof)
+      : HBinaryOperation(context, global_object),
+        name_(name),
+        for_typeof_(for_typeof) {
+    set_representation(Representation::Tagged());
+    SetAllSideEffects();
+  }
+
+  HValue* context() { return OperandAt(0); }
+  HValue* global_object() { return OperandAt(1); }
+  Handle<Object> name() const { return name_; }
+  bool for_typeof() const { return for_typeof_; }
+
+  virtual void PrintDataTo(StringStream* stream);
+
+  virtual Representation RequiredInputRepresentation(int index) const {
+    return Representation::Tagged();
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load_global_generic")
+
+ private:
+  Handle<Object> name_;
+  bool for_typeof_;
+};
+
+
+class HStoreGlobalCell: public HUnaryOperation {
+ public:
+  HStoreGlobalCell(HValue* value,
+                   Handle<JSGlobalPropertyCell> cell,
+                   bool check_hole_value)
       : HUnaryOperation(value),
         cell_(cell),
         check_hole_value_(check_hole_value) {
     SetFlag(kChangesGlobalVars);
   }
 
   Handle<JSGlobalPropertyCell> cell() const { return cell_; }
   bool check_hole_value() const { return check_hole_value_; }
 
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
   virtual void PrintDataTo(StringStream* stream);
 
-  DECLARE_CONCRETE_INSTRUCTION(StoreGlobal, "store_global")
+  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalCell, "store_global_cell")
 
  private:
   Handle<JSGlobalPropertyCell> cell_;
   bool check_hole_value_;
 };
 
 
+class HStoreGlobalGeneric: public HTemplateInstruction<3> {
+ public:
+  HStoreGlobalGeneric(HValue* context,
+                      HValue* global_object,
+                      Handle<Object> name,
+                      HValue* value)
+      : name_(name) {
+    SetOperandAt(0, context);
+    SetOperandAt(1, global_object);
+    SetOperandAt(2, value);
+    set_representation(Representation::Tagged());
+    SetAllSideEffects();
+  }
+
+  HValue* context() { return OperandAt(0); }
+  HValue* global_object() { return OperandAt(1); }
+  Handle<Object> name() const { return name_; }
+  HValue* value() { return OperandAt(2); }
+
+  virtual void PrintDataTo(StringStream* stream);
+
+  virtual Representation RequiredInputRepresentation(int index) const {
+    return Representation::Tagged();
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalGeneric, "store_global_generic")
+
+ private:
+  Handle<Object> name_;
+};
+
+
 class HLoadContextSlot: public HUnaryOperation {
  public:
   HLoadContextSlot(HValue* context , int slot_index)
       : HUnaryOperation(context), slot_index_(slot_index) {
     set_representation(Representation::Tagged());
     SetFlag(kUseGVN);
     SetFlag(kDependsOnContextSlots);
   }
 
   int slot_index() const { return slot_index_; }
@@ skipping 700 matching lines @@
   HValue* object() { return left(); }
   HValue* key() { return right(); }
 };
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_