[FeedbackVector] Infrastructure for literal arrays in the vector.

src/type-feedback-vector-inl.h

 // Copyright 2012 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_INL_H_
 #define V8_TYPE_FEEDBACK_VECTOR_INL_H_
 
 #include "src/globals.h"
 #include "src/type-feedback-vector.h"
 
@@ skipping 37 matching lines @@
   DCHECK(obj->IsTypeFeedbackVector());
   return reinterpret_cast<TypeFeedbackVector*>(obj);
 }
 
 
 int TypeFeedbackMetadata::GetSlotSize(FeedbackVectorSlotKind kind) {
   DCHECK_NE(FeedbackVectorSlotKind::INVALID, kind);
   DCHECK_NE(FeedbackVectorSlotKind::KINDS_NUMBER, kind);
   if (kind == FeedbackVectorSlotKind::GENERAL ||
       kind == FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC ||
-      kind == FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC) {
+      kind == FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC ||
+      kind == FeedbackVectorSlotKind::CREATE_CLOSURE) {
     return 1;
   }
 
   return 2;
 }
 
+bool TypeFeedbackMetadata::SlotRequiresParameter(FeedbackVectorSlotKind kind) {
+  switch (kind) {
+    case FeedbackVectorSlotKind::CREATE_CLOSURE:
+      return true;
+
+    case FeedbackVectorSlotKind::CALL_IC:
+    case FeedbackVectorSlotKind::LOAD_IC:
+    case FeedbackVectorSlotKind::LOAD_GLOBAL_IC:
+    case FeedbackVectorSlotKind::KEYED_LOAD_IC:
+    case FeedbackVectorSlotKind::STORE_IC:
+    case FeedbackVectorSlotKind::KEYED_STORE_IC:
+    case FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC:
+    case FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC:
+    case FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC:
+    case FeedbackVectorSlotKind::GENERAL:
+    case FeedbackVectorSlotKind::INVALID:
+      return false;
+
+    case FeedbackVectorSlotKind::KINDS_NUMBER:
+      break;
+  }
+  UNREACHABLE();
+  return false;
+}
+
 bool TypeFeedbackVector::is_empty() const {
   return length() == kReservedIndexCount;
 }
 
 int TypeFeedbackVector::slot_count() const {
   return length() - kReservedIndexCount;
 }
 
 
 TypeFeedbackMetadata* TypeFeedbackVector::metadata() const {
@@ skipping 117 matching lines @@
             if (hint == BinaryOperationHint::kAny) {
               gen++;
             } else if (hint != BinaryOperationHint::kNone) {
               with++;
             }
           }
           total++;
         }
         break;
       }
+      case FeedbackVectorSlotKind::CREATE_CLOSURE:
       case FeedbackVectorSlotKind::GENERAL:
         break;
       case FeedbackVectorSlotKind::INVALID:
       case FeedbackVectorSlotKind::KINDS_NUMBER:
         UNREACHABLE();
         break;
     }
   }
 
   *with_type_info = with;
@@ skipping 60 matching lines @@
   int index = vector()->GetIndex(slot()) + 1;
   vector()->set(index, feedback_extra, mode);
 }
 
 
 Isolate* FeedbackNexus::GetIsolate() const { return vector()->GetIsolate(); }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPE_FEEDBACK_VECTOR_INL_H_