[turbofan] Initial support for keyed access to fast JSArrays.

src/compiler/js-native-context-specialization.h

 // Copyright 2015 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_NATIVE_CONTEXT_SPECIALIZATION_H_
 #define V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_
 
 #include "src/base/flags.h"
+#include "src/compiler/access-info.h"
 #include "src/compiler/graph-reducer.h"
-#include "src/compiler/property-access-info.h"
 #include "src/compiler/simplified-operator.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class CompilationDependencies;
 class Factory;
 class FeedbackNexus;
 class TypeCache;
@@ skipping 37 matching lines @@
   Reduction ReduceJSLoadProperty(Node* node);
   Reduction ReduceJSStoreProperty(Node* node);
 
   Reduction Replace(Node* node, Node* value, Node* effect = nullptr,
                     Node* control = nullptr) {
     ReplaceWithValue(node, value, effect, control);
     return Changed(value);
   }
   Reduction Replace(Node* node, Handle<Object> value);
 
+  Reduction ReduceElementAccess(Node* node, Node* index, Node* value,
+                                MapHandleList const& receiver_maps,
+                                AccessMode access_mode,
+                                LanguageMode language_mode);
   Reduction ReduceKeyedAccess(Node* node, Node* index, Node* value,
                               FeedbackNexus const& nexus,
-                              PropertyAccessMode access_mode,
+                              AccessMode access_mode,
                               LanguageMode language_mode);
   Reduction ReduceNamedAccess(Node* node, Node* value,
                               MapHandleList const& receiver_maps,
-                              Handle<Name> name, PropertyAccessMode access_mode,
+                              Handle<Name> name, AccessMode access_mode,
                               LanguageMode language_mode,
                               Node* index = nullptr);
 
   struct ScriptContextTableLookupResult;
   bool LookupInScriptContextTable(Handle<Name> name,
                                   ScriptContextTableLookupResult* result);
 
   // Adds stability dependencies on all prototypes of every class in
   // {receiver_type} up to (and including) the {holder}.
   void AssumePrototypesStable(Type* receiver_type, Handle<JSObject> holder);
 
   Graph* graph() const;
   JSGraph* jsgraph() const { return jsgraph_; }
   Isolate* isolate() const;
   Factory* factory() const;
   CommonOperatorBuilder* common() const;
   JSOperatorBuilder* javascript() const;
   SimplifiedOperatorBuilder* simplified() const;
   MachineOperatorBuilder* machine() const;
   Flags flags() const { return flags_; }
   Handle<JSGlobalObject> global_object() const { return global_object_; }
   Handle<Context> native_context() const { return native_context_; }
   CompilationDependencies* dependencies() const { return dependencies_; }
   Zone* zone() const { return zone_; }
-  PropertyAccessInfoFactory& access_info_factory() {
-    return access_info_factory_;
-  }
+  AccessInfoFactory& access_info_factory() { return access_info_factory_; }
 
   JSGraph* const jsgraph_;
   Flags const flags_;
   Handle<JSGlobalObject> global_object_;
   Handle<Context> native_context_;
   CompilationDependencies* const dependencies_;
   Zone* const zone_;
   TypeCache const& type_cache_;
-  PropertyAccessInfoFactory access_info_factory_;
+  AccessInfoFactory access_info_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JSNativeContextSpecialization);
 };
 
 DEFINE_OPERATORS_FOR_FLAGS(JSNativeContextSpecialization::Flags)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_NATIVE_CONTEXT_SPECIALIZATION_H_