Added Object._cid getter, optimized it. Added to (some) classes a static final _clCid. Use those to…

runtime/vm/flow_graph_optimizer.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_OPTIMIZER_H_
 #define VM_FLOW_GRAPH_OPTIMIZER_H_
 
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph.h"
 
@@ skipping 137 matching lines @@
                             MethodRecognizer::Kind getter);
 
   void InlineImplicitInstanceGetter(InstanceCallInstr* call);
   void InlineArrayLengthGetter(InstanceCallInstr* call,
                                intptr_t length_offset,
                                bool is_immutable,
                                MethodRecognizer::Kind kind);
   void InlineGrowableArrayCapacityGetter(InstanceCallInstr* call);
   void InlineStringLengthGetter(InstanceCallInstr* call);
   void InlineStringIsEmptyGetter(InstanceCallInstr* call);
+  void InlineObjectCid(InstanceCallInstr* call);
 
   RawBool* InstanceOfAsBool(const ICData& ic_data,
                             const AbstractType& type) const;
 
   void ReplaceWithMathCFunction(InstanceCallInstr* call,
                                 MethodRecognizer::Kind recognized_kind);
 
   void HandleRelationalOp(RelationalOpInstr* comp);
 
   // Visit an equality compare.  The current instruction can be the
@@ skipping 187 matching lines @@
 // Optimize spill stores inside try-blocks by identifying values that always
 // contain a single known constant at catch block entry.
 class TryCatchAnalyzer : public AllStatic {
  public:
   static void Optimize(FlowGraph* flow_graph);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_