[turbofan] Add length operand to LoadElement and StoreElement.

test/cctest/compiler/simplified-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_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
 #define V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-builder.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 109 matching lines @@
   Node* ChangeBitToBool(Node* a) {
     return NewNode(simplified()->ChangeBitToBool(), a);
   }
 
   Node* LoadField(const FieldAccess& access, Node* object) {
     return NewNode(simplified()->LoadField(access), object);
   }
   Node* StoreField(const FieldAccess& access, Node* object, Node* value) {
     return NewNode(simplified()->StoreField(access), object, value);
   }
-  Node* LoadElement(const ElementAccess& access, Node* object, Node* index) {
-    return NewNode(simplified()->LoadElement(access), object, index);
+  Node* LoadElement(const ElementAccess& access, Node* object, Node* index,
+                    Node* length) {
+    return NewNode(simplified()->LoadElement(access), object, index, length);
   }
   Node* StoreElement(const ElementAccess& access, Node* object, Node* index,
-                     Node* value) {
-    return NewNode(simplified()->StoreElement(access), object, index, value);
+                     Node* length, Node* value) {
+    return NewNode(simplified()->StoreElement(access), object, index, length,
+                   value);
   }
 
  protected:
   virtual Node* MakeNode(const Operator* op, int value_input_count,
                          Node** value_inputs) FINAL;
 
  private:
   Node* effect_;
   Node* return_;
   CommonOperatorBuilder* common_;
   MachineOperatorBuilder* machine_;
   SimplifiedOperatorBuilder* simplified_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_SIMPLIFIED_GRAPH_BUILDER_H_