Change indexed load and store IL instructions to fit with SSA backend.

vm/flow_graph_builder.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_FLOW_GRAPH_BUILDER_H_
 #define VM_FLOW_GRAPH_BUILDER_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 188 matching lines @@
                                               Value* value,
                                               const AbstractType& dst_type,
                                               const String& dst_name);
 
   // Perform a type check on the given value and return it.
   Value* BuildAssignableValue(intptr_t token_pos,
                               Value* value,
                               const AbstractType& dst_type,
                               const String& dst_name);
 
-  void BuildStoreIndexedValues(StoreIndexedNode* node,
-                               Value** array,
-                               Value** index,
-                               Value** value);
+  Computation* BuildStoreIndexedValues(StoreIndexedNode* node,
+                                       bool result_is_needed);
+
   void BuildInstanceSetterArguments(
       InstanceSetterNode* node,
       ZoneGrowableArray<PushArgumentInstr*>* arguments,
       bool result_is_needed);
 
   virtual void BuildTypeTest(ComparisonNode* node);
   virtual void BuildTypeCast(ComparisonNode* node);
 
   bool MustSaveRestoreContext(SequenceNode* node) const;
 
@@ skipping 149 matching lines @@
   // Output parameters.
   TargetEntryInstr** true_successor_address_;
   TargetEntryInstr** false_successor_address_;
 
   intptr_t condition_token_pos_;
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_BUILDER_H_