[turbofan] Make global variable loads and stores explicit.

src/compiler/ast-graph-builder.h

 // Copyright 2014 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_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/ast.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/liveness-analyzer.h"
@@ skipping 272 matching lines @@
   Node* BuildVariableLoad(Variable* variable, BailoutId bailout_id,
                           FrameStateBeforeAndAfter& states,
                           const VectorSlotPair& feedback,
                           OutputFrameStateCombine framestate_combine,
                           ContextualMode mode = CONTEXTUAL);
 
   // Builders for property loads and stores.
   Node* BuildKeyedLoad(Node* receiver, Node* key,
                        const VectorSlotPair& feedback);
   Node* BuildNamedLoad(Node* receiver, Handle<Name> name,
-                       const VectorSlotPair& feedback,
-                       ContextualMode mode = NOT_CONTEXTUAL);
+                       const VectorSlotPair& feedback);
   Node* BuildKeyedStore(Node* receiver, Node* key, Node* value,
                         const VectorSlotPair& feedback, TypeFeedbackId id);
-  Node* BuildNamedStore(Node* receiver, Handle<Name>, Node* value,
+  Node* BuildNamedStore(Node* receiver, Handle<Name> name, Node* value,
                         const VectorSlotPair& feedback, TypeFeedbackId id);
 
   // Builders for super property loads and stores.
   Node* BuildKeyedSuperStore(Node* receiver, Node* home_object, Node* key,
                              Node* value, TypeFeedbackId id);
   Node* BuildNamedSuperStore(Node* receiver, Node* home_object,
                              Handle<Name> name, Node* value, TypeFeedbackId id);
   Node* BuildNamedSuperLoad(Node* receiver, Node* home_object,
                             Handle<Name> name, const VectorSlotPair& feedback);
   Node* BuildKeyedSuperLoad(Node* receiver, Node* home_object, Node* key,
                             const VectorSlotPair& feedback);
 
+  // Builders for global variable loads and stores.
+  Node* BuildGlobalLoad(Node* global, Handle<Name> name,
+                        const VectorSlotPair& feedback, ContextualMode mode);
+  Node* BuildGlobalStore(Node* global, Handle<Name> name, Node* value,
+                         const VectorSlotPair& feedback, TypeFeedbackId id);
+
   // Builders for accessing the function context.
   Node* BuildLoadBuiltinsObject();
   Node* BuildLoadGlobalObject();
   Node* BuildLoadGlobalProxy();
   Node* BuildLoadFeedbackVector();
 
   // Builder for accessing a (potentially immutable) object field.
   Node* BuildLoadObjectField(Node* object, int offset);
   Node* BuildLoadImmutableObjectField(Node* object, int offset);
 
@@ skipping 223 matching lines @@
 
   // Prepare environment to be used as loop header.
   void PrepareForLoop(BitVector* assigned, bool is_osr = false);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_