Implement Polymorphic Store ICs

src/ast.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 485 matching lines @@
   receiver_types_.Clear();
   if (prop->key()->IsPropertyName()) {
     Literal* lit_key = prop->key()->AsLiteral();
     ASSERT(lit_key != NULL && lit_key->value()->IsString());
     Handle<String> name = Handle<String>::cast(lit_key->value());
     oracle->StoreReceiverTypes(this, name, &receiver_types_);
   } else if (is_monomorphic_) {
     // Record receiver type for monomorphic keyed stores.
     receiver_types_.Add(oracle->StoreMonomorphicReceiverType(id), zone);
     store_mode_ = oracle->GetStoreMode(id);
-  } else if (oracle->StoreIsPolymorphic(id)) {
+  } else if (oracle->StoreIsKeyedPolymorphic(id)) {
     receiver_types_.Reserve(kMaxKeyedPolymorphism, zone);
     oracle->CollectKeyedReceiverTypes(id, &receiver_types_);
     store_mode_ = oracle->GetStoreMode(id);
   }
 }
 
 
 void CountOperation::RecordTypeFeedback(TypeFeedbackOracle* oracle,
                                         Zone* zone) {
   TypeFeedbackId id = CountStoreFeedbackId();
   is_monomorphic_ = oracle->StoreIsMonomorphicNormal(id);
   receiver_types_.Clear();
   if (is_monomorphic_) {
     // Record receiver type for monomorphic keyed stores.
     receiver_types_.Add(
         oracle->StoreMonomorphicReceiverType(id), zone);
-  } else if (oracle->StoreIsPolymorphic(id)) {
+  } else if (oracle->StoreIsKeyedPolymorphic(id)) {
     receiver_types_.Reserve(kMaxKeyedPolymorphism, zone);
     oracle->CollectKeyedReceiverTypes(id, &receiver_types_);
+  } else {
+    oracle->CollectPolymorphicStoreReceiverTypes(id, &receiver_types_);
   }
   store_mode_ = oracle->GetStoreMode(id);
   type_ = oracle->IncrementType(this);
 }
 
 
 void CaseClause::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
   compare_type_ = oracle->ClauseType(CompareId());
 }
 
@@ skipping 649 matching lines @@
     OS::SNPrintF(buffer, "%d", Smi::cast(*value_)->value());
     str = arr;
   } else {
     str = DoubleToCString(value_->Number(), buffer);
   }
   return factory->NewStringFromAscii(CStrVector(str));
 }
 
 
 } }  // namespace v8::internal