emit premonomorphic ics for loads/stores in optimized code

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index c64f006c27c5e769f7e35dc161b9b6f2ec82c27d..08bde1d526932c3c15710bf4d1ad3ab997f7bd33 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -21,13 +21,14 @@ Callable CodeFactory::LoadIC(Isolate* isolate, ContextualMode mode) {
 
 // static
 Callable CodeFactory::LoadICInOptimizedCode(Isolate* isolate,
-                                            ContextualMode mode) {
+                                            ContextualMode mode,
+                                            bool initialize_megamorphic) {

[Toon Verwaest, 2015/02/09 12:31:51]

What about using an enum (e.g. the state enum) rather than a bool?

+  auto code = LoadIC::initialize_stub_in_optimized_code(
+      isolate, LoadICState(mode).GetExtraICState(), initialize_megamorphic);
   if (FLAG_vector_ics) {
-    return Callable(LoadIC::initialize_stub_in_optimized_code(
-                        isolate, LoadICState(mode).GetExtraICState()),
-                    VectorLoadICDescriptor(isolate));
+    return Callable(code, VectorLoadICDescriptor(isolate));
   }
-  return CodeFactory::LoadIC(isolate, mode);
+  return Callable(code, LoadDescriptor(isolate));
 }
 
 
@@ -67,7 +68,7 @@ Callable CodeFactory::CallICInOptimizedCode(Isolate* isolate, int argc,
 
 // static
 Callable CodeFactory::StoreIC(Isolate* isolate, LanguageMode language_mode) {
-  return Callable(StoreIC::initialize_stub(isolate, language_mode),
+  return Callable(StoreIC::initialize_stub(isolate, language_mode, false),
                   StoreDescriptor(isolate));
 }