emit premonomorphic ics for loads/stores in optimized code

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index 5ae9182a1af9462d09a219810e4ac9ede16a7cfe..3421dca4a47f4c441dae75c5d31410cc94d8d2f5 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -3152,7 +3152,8 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
     EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
-  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode).code();
+  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode,
+                                                       PREMONOMORPHIC).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
@@ -3282,8 +3283,9 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
   }
-  Handle<Code> ic =
-      CodeFactory::LoadICInOptimizedCode(isolate(), NOT_CONTEXTUAL).code();
+  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(
+                        isolate(), NOT_CONTEXTUAL,
+                        instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
@@ -4571,7 +4573,9 @@ void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
   __ mov(StoreDescriptor::NameRegister(), instr->name());
-  Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->language_mode());
+  Handle<Code> ic =
+      StoreIC::initialize_stub(isolate(), instr->language_mode(),
+                               instr->hydrogen()->initialization_state());
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }