Using SubtypeTestCache object instead of an array, that way we do not need to patch and can communi…

runtime/vm/code_generator_ia32.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_CODE_GENERATOR_IA32_H_
 #define VM_CODE_GENERATOR_IA32_H_
 
 #ifndef VM_CODE_GENERATOR_H_
 #error Do not include code_generator_ia32.h directly; use code_generator.h.
 #endif
@@ skipping 180 matching lines @@
 
   void GenerateCall(intptr_t token_index,
                     const ExternalLabel* ext_label,
                     PcDescriptors::Kind desc_kind);
   void GenerateCallRuntime(intptr_t node_id,
                            intptr_t token_index,
                            const RuntimeEntry& entry);
 
   void GenerateInlinedFinallyBlocks(SourceLabel* label);
 
-  void GenerateInlineInstanceof(intptr_t node_id,
-                                intptr_t token_index,
-                                const AbstractType& type,
-                                Label* is_instance_lbl,
-                                Label* is_not_instance_lbl);
+  RawSubtypeTestCache* GenerateInlineInstanceof(intptr_t node_id,
+                                                intptr_t token_index,
+                                                const AbstractType& type,
+                                                Label* is_instance_lbl,
+                                                Label* is_not_instance_lbl);
 
-  void GenerateInstantiatedTypeWithArgumentsTest(intptr_t node_id,
-                                                 intptr_t token_index,
-                                                 const AbstractType& dst_type,
-                                                 Label* is_instance_lbl,
-                                                 Label* is_not_instance_lbl);
+  RawSubtypeTestCache*  GenerateInstantiatedTypeWithArgumentsTest(
+      intptr_t node_id,
+      intptr_t token_index,
+      const AbstractType& dst_type,
+      Label* is_instance_lbl,
+      Label* is_not_instance_lbl);
   void GenerateInstantiatedTypeNoArgumentsTest(intptr_t node_id,
                                                intptr_t token_index,
                                                const AbstractType& dst_type,
                                                Label* is_instance_lbl,
                                                Label* is_not_instance_lbl);
   void GenerateUninstantiatedTypeTest(const AbstractType& dst_type,
                                       intptr_t token_index,
                                       Label* is_instance_lbl);
-  void GenerateSubtype1TestCacheLookup(intptr_t node_id,
-                                       intptr_t token_index,
-                                       const Class& type_class,
-                                       Label* is_instance_lbl,
-                                       Label* is_not_instance_lbl);
+  RawSubtypeTestCache* GenerateSubtype1TestCacheLookup(
+      intptr_t node_id,
+      intptr_t token_index,
+      const Class& type_class,
+      Label* is_instance_lbl,
+      Label* is_not_instance_lbl);
 
   void HandleBackwardBranch(intptr_t loop_id, intptr_t token_index);
 
   void ErrorMsg(intptr_t token_index, const char* format, ...);
 
   int generate_next_try_index() { return try_index_ += 1; }
 
   void MarkDeoptPoint(intptr_t node_id, intptr_t token_index);
   void AddCurrentDescriptor(PcDescriptors::Kind kind,
                             intptr_t node_id,
@@ skipping 13 matching lines @@
   // The runtime context level is only incremented when a new context is
   // allocated and chained to the list of contexts.
   intptr_t context_level_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CodeGenerator);
 };
 
 }  // namespace dart
 
 #endif  // VM_CODE_GENERATOR_IA32_H_