[turbofan] Make global variable loads and stores explicit.

src/compiler/js-operator.h

 // Copyright 2013 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_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/runtime/runtime.h"
 #include "src/unique.h"
 
@@ skipping 209 matching lines @@
 
 bool operator==(DynamicContextAccess const&, DynamicContextAccess const&);
 bool operator!=(DynamicContextAccess const&, DynamicContextAccess const&);
 
 std::ostream& operator<<(std::ostream&, DynamicContextAccess const&);
 
 DynamicContextAccess const& DynamicContextAccessOf(Operator const*);
 
 
 // Defines the property being loaded from an object by a named load. This is
-// used as a parameter by JSLoadNamed operators.
+// used as a parameter by JSLoadNamed and JSLoadGlobal operators.
 class LoadNamedParameters final {
  public:
   LoadNamedParameters(const Unique<Name>& name, const VectorSlotPair& feedback,
                       ContextualMode contextual_mode)
       : name_(name), feedback_(feedback), contextual_mode_(contextual_mode) {}
 
   const Unique<Name>& name() const { return name_; }
   ContextualMode contextual_mode() const { return contextual_mode_; }
 
   const VectorSlotPair& feedback() const { return feedback_; }
 
  private:
   const Unique<Name> name_;
   const VectorSlotPair feedback_;
   const ContextualMode contextual_mode_;
 };
 
 bool operator==(LoadNamedParameters const&, LoadNamedParameters const&);
 bool operator!=(LoadNamedParameters const&, LoadNamedParameters const&);
 
 size_t hash_value(LoadNamedParameters const&);
 
 std::ostream& operator<<(std::ostream&, LoadNamedParameters const&);
 
 const LoadNamedParameters& LoadNamedParametersOf(const Operator* op);
 
+const LoadNamedParameters& LoadGlobalParametersOf(const Operator* op);
+
 
 // Defines the property being loaded from an object. This is
 // used as a parameter by JSLoadProperty operators.
 class LoadPropertyParameters final {
  public:
   explicit LoadPropertyParameters(const VectorSlotPair& feedback)
       : feedback_(feedback) {}
 
   const VectorSlotPair& feedback() const { return feedback_; }
 
  private:
   const VectorSlotPair feedback_;
 };
 
 bool operator==(LoadPropertyParameters const&, LoadPropertyParameters const&);
 bool operator!=(LoadPropertyParameters const&, LoadPropertyParameters const&);
 
 size_t hash_value(LoadPropertyParameters const&);
 
 std::ostream& operator<<(std::ostream&, LoadPropertyParameters const&);
 
 const LoadPropertyParameters& LoadPropertyParametersOf(const Operator* op);
 
 
 // Defines the property being stored to an object by a named store. This is
-// used as a parameter by JSStoreNamed operators.
+// used as a parameter by JSStoreNamed and JSStoreGlobal operators.
 class StoreNamedParameters final {
  public:
   StoreNamedParameters(LanguageMode language_mode,
                        const VectorSlotPair& feedback, const Unique<Name>& name)
       : language_mode_(language_mode), name_(name), feedback_(feedback) {}
 
   LanguageMode language_mode() const { return language_mode_; }
   const VectorSlotPair& feedback() const { return feedback_; }
   const Unique<Name>& name() const { return name_; }
 
  private:
   const LanguageMode language_mode_;
   const Unique<Name> name_;
   const VectorSlotPair feedback_;
 };
 
 bool operator==(StoreNamedParameters const&, StoreNamedParameters const&);
 bool operator!=(StoreNamedParameters const&, StoreNamedParameters const&);
 
 size_t hash_value(StoreNamedParameters const&);
 
 std::ostream& operator<<(std::ostream&, StoreNamedParameters const&);
 
 const StoreNamedParameters& StoreNamedParametersOf(const Operator* op);
 
+const StoreNamedParameters& StoreGlobalParametersOf(const Operator* op);
+
 
 // Defines the property being stored to an object. This is used as a parameter
 // by JSStoreProperty operators.
 class StorePropertyParameters final {
  public:
   StorePropertyParameters(LanguageMode language_mode,
                           const VectorSlotPair& feedback)
       : language_mode_(language_mode), feedback_(feedback) {}
 
   LanguageMode language_mode() const { return language_mode_; }
@@ skipping 83 matching lines @@
 
   const Operator* CallFunction(
       size_t arity, CallFunctionFlags flags, LanguageMode language_mode,
       VectorSlotPair const& feedback = VectorSlotPair());
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
 
   const Operator* CallConstruct(int arguments);
 
   const Operator* LoadProperty(const VectorSlotPair& feedback);
   const Operator* LoadNamed(const Unique<Name>& name,
-                            const VectorSlotPair& feedback,
-                            ContextualMode contextual_mode = NOT_CONTEXTUAL);
+                            const VectorSlotPair& feedback);
 
   const Operator* StoreProperty(LanguageMode language_mode,
                                 const VectorSlotPair& feedback);
   const Operator* StoreNamed(LanguageMode language_mode,
                              const Unique<Name>& name,
                              const VectorSlotPair& feedback);
 
   const Operator* DeleteProperty(LanguageMode language_mode);
 
   const Operator* HasProperty();
 
+  const Operator* LoadGlobal(const Unique<Name>& name,
+                             const VectorSlotPair& feedback,
+                             ContextualMode contextual_mode = NOT_CONTEXTUAL);
+  const Operator* StoreGlobal(LanguageMode language_mode,
+                              const Unique<Name>& name,
+                              const VectorSlotPair& feedback);
+
   const Operator* LoadContext(size_t depth, size_t index, bool immutable);
   const Operator* StoreContext(size_t depth, size_t index);
 
   const Operator* LoadDynamicGlobal(const Handle<String>& name,
                                     uint32_t check_bitset,
                                     const VectorSlotPair& feedback,
                                     ContextualMode mode);
   const Operator* LoadDynamicContext(const Handle<String>& name,
                                      uint32_t check_bitset, size_t depth,
                                      size_t index);
@@ skipping 23 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_