Inline [] operator on one-byte strings.

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 50 matching lines @@
 
   bool TryReplaceWithBinaryOp(InstanceCallInstr* call, Token::Kind op_kind);
   bool TryReplaceWithUnaryOp(InstanceCallInstr* call, Token::Kind op_kind);
 
   bool TryInlineInstanceGetter(InstanceCallInstr* call);
   bool TryInlineInstanceSetter(InstanceCallInstr* call,
                                const ICData& unary_ic_data);
 
   bool TryInlineInstanceMethod(InstanceCallInstr* call);
 
+  StringCharCodeAtInstr* BuildStringCharCodeAt(InstanceCallInstr* call,
+                                               intptr_t cid);
+
   void AddCheckClass(InstanceCallInstr* call, Value* value);
 
   void InsertAfter(Instruction* prev,
                    Instruction* instr,
                    Environment* env,
                    Definition::UseKind use_kind);
 
   void InsertConversionsFor(Definition* def);
 
   void InsertConversion(Representation from,
@@ skipping 144 matching lines @@
 
   // Worklists of blocks and definitions.
   GrowableArray<BlockEntryInstr*> block_worklist_;
   GrowableArray<Definition*> definition_worklist_;
 };
 
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_OPTIMIZER_H_