Restructure instance calls in optimizing compiler.

vm/opt_code_generator_ia32.h

 // Copyright (c) 2011, 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_OPT_CODE_GENERATOR_IA32_H_
 #define VM_OPT_CODE_GENERATOR_IA32_H_
 
 #ifndef VM_OPT_CODE_GENERATOR_H_
 #error Do not include opt_code_generator_ia32.h; use opt_code_generator.h.
 #endif
@@ skipping 73 matching lines @@
 
   void GenerateSmiBinaryOp(BinaryOpNode* node);
   void GenerateSmiShiftBinaryOp(BinaryOpNode* node);
 
   void GenerateDoubleBinaryOp(BinaryOpNode* node);
   void GenerateMintBinaryOp(BinaryOpNode* node, bool allow_smi);
   void CheckIfDoubleOrSmi(Register reg,
                           Register temp,
                           Label* is_smi,
                           Label* not_double_or_smi);
+  void GenerateDirectCall(intptr_t node_id,
+                          intptr_t token_index,
+                          Function& target,
+                          intptr_t arg_count,
+                          const Array& optional_argument_names);
+  void GenerateCheckedInstanceCalls(AstNode* node,
+                                    AstNode* receiver,
+                                    intptr_t node_id,
+                                    intptr_t token_index,
+                                    intptr_t num_args,
+                                    const Array& optional_argument_names);
   bool GenerateSmiComparison(ComparisonNode* node);
   bool GenerateDoubleComparison(ComparisonNode* node);
   bool GenerateEqualityComparison(ComparisonNode* node);
   void GenerateLogicalBinaryOp(BinaryOpNode* node);
   void GenerateConditionalJumps(const CodeGenInfo& nInfo, Condition condition);
   bool TryInlineInstanceCall(InstanceCallNode* node);
   bool TryInlineStaticCall(StaticCallNode* node);
-  bool GenerateCheckedInstanceCalls(InstanceCallNode* node);
-  void GenerateDirectInstanceCall(InstanceCallNode* node, const Class& cls);
 
   bool IsResultInEaxRequested(AstNode* node) const;
   bool NodeMayBeSmi(AstNode* node) const;
 
   void PrintCollectedClasses(AstNode* node);
   void TraceOpt(AstNode* node, const char* message);
   void TraceNotOpt(AstNode* node, const char* message);
 
   GrowableArray<DeoptimizationBlob*> deoptimization_blobs_;
   const Class& smi_class_;
   const Class& double_class_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(OptimizingCodeGenerator);
 };
 
 }  // namespace dart
 
 
 #endif  // VM_OPT_CODE_GENERATOR_IA32_H_