[KeyedLoadIC] Support Smi "handlers" for element loads

src/ic/handler-compiler.h

Index: src/ic/handler-compiler.h
diff --git a/src/ic/handler-compiler.h b/src/ic/handler-compiler.h
index 242e497b777dac0a7390ca893ff26e83d0a02976..d0feffdae2981fc39e6fc9cd9aa3e45c962c4d31 100644
--- a/src/ic/handler-compiler.h
+++ b/src/ic/handler-compiler.h
@@ -279,12 +279,17 @@ class ElementHandlerCompiler : public PropertyHandlerCompiler {
 
   virtual ~ElementHandlerCompiler() {}
 
-  static Handle<Code> GetKeyedLoadHandler(Handle<Map> receiver_map,
-                                          Isolate* isolate);
+  static Handle<Object> GetKeyedLoadHandler(Handle<Map> receiver_map,
+                                            Isolate* isolate);
   void CompileElementHandlers(MapHandleList* receiver_maps,
                               List<Handle<Object>>* handlers);
 
   static void GenerateStoreSlow(MacroAssembler* masm);
+
+  // For Smi-configured KeyedLoadICs loading elements.
+  class KeyedLoadIsJsarray : public BitField<bool, 1, 1> {};

[Igor Sheludko, 2016/07/28 10:01:11]

Maybe KeyedLoadIsJsArray ?

[Jakob Kummerow, 2016/08/03 11:44:12]

Done.

+  class KeyedLoadConvertHole : public BitField<bool, 2, 1> {};
+  class KeyedLoadElementsKind : public BitField<ElementsKind, 3, 8> {};
 };
 }  // namespace internal
 }  // namespace v8