[runtime] Collect IC feedback in DefineDataPropertyInLiteral.

src/type-feedback-vector.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_TYPE_FEEDBACK_VECTOR_H_
 #define V8_TYPE_FEEDBACK_VECTOR_H_
 
 #include <vector>
 
 #include "src/base/logging.h"
@@ skipping 12 matching lines @@
   INVALID,
 
   CALL_IC,
   LOAD_IC,
   LOAD_GLOBAL_IC,
   KEYED_LOAD_IC,
   STORE_IC,
   KEYED_STORE_IC,
   INTERPRETER_BINARYOP_IC,
   INTERPRETER_COMPARE_IC,
+  STORE_DATA_PROPERTY_IN_LITERAL_IC,
 
   // This is a general purpose slot that occupies one feedback vector element.
   GENERAL,
 
   KINDS_NUMBER  // Last value indicating number of kinds.
 };
 
 std::ostream& operator<<(std::ostream& os, FeedbackVectorSlotKind kind);
 
 
@@ skipping 31 matching lines @@
   }
 
   FeedbackVectorSlot AddInterpreterCompareICSlot() {
     return AddSlot(FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC);
   }
 
   FeedbackVectorSlot AddGeneralSlot() {
     return AddSlot(FeedbackVectorSlotKind::GENERAL);
   }
 
+  FeedbackVectorSlot AddStoreDataPropertyInLiteralICSlot() {
+    return AddSlot(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC);
+  }
+
 #ifdef OBJECT_PRINT
   // For gdb debugging.
   void Print();
 #endif  // OBJECT_PRINT
 
   DECLARE_PRINTER(FeedbackVectorSpec)
 
  private:
   Derived* This() { return static_cast<Derived*>(this); }
 };
@@ skipping 566 matching lines @@
   }
   MaybeHandle<Object> FindHandlerForMap(Handle<Map> map) const final {
     return MaybeHandle<Code>();
   }
   bool FindHandlers(List<Handle<Object>>* code_list,
                     int length = -1) const final {
     return length == 0;
   }
 };
 
+class StoreDataPropertyInLiteralICNexus : public FeedbackNexus {
+ public:
+  StoreDataPropertyInLiteralICNexus(Handle<TypeFeedbackVector> vector,
+                                    FeedbackVectorSlot slot)
+      : FeedbackNexus(vector, slot) {
+    DCHECK_EQ(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC,
+              vector->GetKind(slot));
+  }
+  StoreDataPropertyInLiteralICNexus(TypeFeedbackVector* vector,
+                                    FeedbackVectorSlot slot)
+      : FeedbackNexus(vector, slot) {
+    DCHECK_EQ(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC,
+              vector->GetKind(slot));
+  }
+
+  void Clear(Code* host) { ConfigureUninitialized(); }
+
+  void ConfigureMonomorphic(Handle<Name> name, Handle<Map> receiver_map);
+
+  InlineCacheState StateFromFeedback() const override;
+};
+
 inline BinaryOperationHint BinaryOperationHintFromFeedback(int type_feedback);
 inline CompareOperationHint CompareOperationHintFromFeedback(int type_feedback);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_H_