Make some functions that are hit during renderer startup available for inlining

src/heap/objects-visiting-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_OBJECTS_VISITING_INL_H_
 #define V8_OBJECTS_VISITING_INL_H_
 
 #include "src/heap/array-buffer-tracker.h"
 #include "src/heap/mark-compact.h"
 #include "src/heap/objects-visiting.h"
 #include "src/ic/ic-state.h"
 #include "src/macro-assembler.h"
 #include "src/objects-body-descriptors-inl.h"
 
 namespace v8 {
 namespace internal {
 
+VisitorId StaticVisitorBase::GetVisitorId(Map* map) {
+  return GetVisitorId(map->instance_type(), map->instance_size(),
+                      FLAG_unbox_double_fields && !map->HasFastPointerLayout());
+}
+
+VisitorId StaticVisitorBase::GetVisitorId(int instance_type, int instance_size,
+                                          bool has_unboxed_fields) {
+  if (instance_type < FIRST_NONSTRING_TYPE) {
+    switch (instance_type & kStringRepresentationMask) {
+      case kSeqStringTag:
+        if ((instance_type & kStringEncodingMask) == kOneByteStringTag) {
+          return kVisitSeqOneByteString;
+        } else {
+          return kVisitSeqTwoByteString;
+        }
+
+      case kConsStringTag:
+        if (IsShortcutCandidate(instance_type)) {
+          return kVisitShortcutCandidate;
+        } else {
+          return kVisitConsString;
+        }
+
+      case kSlicedStringTag:
+        return kVisitSlicedString;
+
+      case kExternalStringTag:
+        return kVisitDataObject;
+
+      case kThinStringTag:
+        return kVisitThinString;
+    }
+    UNREACHABLE();
+  }
+
+  switch (instance_type) {
+    case BYTE_ARRAY_TYPE:
+      return kVisitByteArray;
+
+    case BYTECODE_ARRAY_TYPE:
+      return kVisitBytecodeArray;
+
+    case FREE_SPACE_TYPE:
+      return kVisitFreeSpace;
+
+    case FIXED_ARRAY_TYPE:
+      return kVisitFixedArray;
+
+    case FIXED_DOUBLE_ARRAY_TYPE:
+      return kVisitFixedDoubleArray;
+
+    case ODDBALL_TYPE:
+      return kVisitOddball;
+
+    case MAP_TYPE:
+      return kVisitMap;
+
+    case CODE_TYPE:
+      return kVisitCode;
+
+    case CELL_TYPE:
+      return kVisitCell;
+
+    case PROPERTY_CELL_TYPE:
+      return kVisitPropertyCell;
+
+    case WEAK_CELL_TYPE:
+      return kVisitWeakCell;
+
+    case TRANSITION_ARRAY_TYPE:
+      return kVisitTransitionArray;
+
+    case JS_WEAK_MAP_TYPE:
+    case JS_WEAK_SET_TYPE:
+      return kVisitJSWeakCollection;
+
+    case JS_REGEXP_TYPE:
+      return kVisitJSRegExp;
+
+    case SHARED_FUNCTION_INFO_TYPE:
+      return kVisitSharedFunctionInfo;
+
+    case JS_PROXY_TYPE:
+      return kVisitStruct;
+
+    case SYMBOL_TYPE:
+      return kVisitSymbol;
+
+    case JS_ARRAY_BUFFER_TYPE:
+      return kVisitJSArrayBuffer;
+
+    case SMALL_ORDERED_HASH_MAP_TYPE:
+      return kVisitSmallOrderedHashMap;
+
+    case SMALL_ORDERED_HASH_SET_TYPE:
+      return kVisitSmallOrderedHashSet;
+
+    case JS_OBJECT_TYPE:
+    case JS_ERROR_TYPE:
+    case JS_ARGUMENTS_TYPE:
+    case JS_ASYNC_FROM_SYNC_ITERATOR_TYPE:
+    case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
+    case JS_GENERATOR_OBJECT_TYPE:
+    case JS_ASYNC_GENERATOR_OBJECT_TYPE:
+    case JS_MODULE_NAMESPACE_TYPE:
+    case JS_VALUE_TYPE:
+    case JS_DATE_TYPE:
+    case JS_ARRAY_TYPE:
+    case JS_GLOBAL_PROXY_TYPE:
+    case JS_GLOBAL_OBJECT_TYPE:
+    case JS_MESSAGE_OBJECT_TYPE:
+    case JS_TYPED_ARRAY_TYPE:
+    case JS_DATA_VIEW_TYPE:
+    case JS_SET_TYPE:
+    case JS_MAP_TYPE:
+    case JS_SET_ITERATOR_TYPE:
+    case JS_MAP_ITERATOR_TYPE:
+    case JS_STRING_ITERATOR_TYPE:
+
+    case JS_TYPED_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_KEY_ITERATOR_TYPE:
+    case JS_UINT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_INT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT64_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_KEY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT8_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT16_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT16_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_INT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT32_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FLOAT64_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_SMI_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
+    case JS_GENERIC_ARRAY_VALUE_ITERATOR_TYPE:
+
+    case JS_PROMISE_CAPABILITY_TYPE:
+    case JS_PROMISE_TYPE:
+    case JS_BOUND_FUNCTION_TYPE:
+      return has_unboxed_fields ? kVisitJSObject : kVisitJSObjectFast;
+    case JS_API_OBJECT_TYPE:
+    case JS_SPECIAL_API_OBJECT_TYPE:
+      return kVisitJSApiObject;
+
+    case JS_FUNCTION_TYPE:
+      return kVisitJSFunction;
+
+    case FILLER_TYPE:
+    case FOREIGN_TYPE:
+    case HEAP_NUMBER_TYPE:
+    case MUTABLE_HEAP_NUMBER_TYPE:
+      return kVisitDataObject;
+
+    case FIXED_UINT8_ARRAY_TYPE:
+    case FIXED_INT8_ARRAY_TYPE:
+    case FIXED_UINT16_ARRAY_TYPE:
+    case FIXED_INT16_ARRAY_TYPE:
+    case FIXED_UINT32_ARRAY_TYPE:
+    case FIXED_INT32_ARRAY_TYPE:
+    case FIXED_FLOAT32_ARRAY_TYPE:
+    case FIXED_UINT8_CLAMPED_ARRAY_TYPE:
+      return kVisitFixedTypedArrayBase;
+
+    case FIXED_FLOAT64_ARRAY_TYPE:
+      return kVisitFixedFloat64Array;
+
+#define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE:
+      STRUCT_LIST(MAKE_STRUCT_CASE)
+#undef MAKE_STRUCT_CASE
+      if (instance_type == ALLOCATION_SITE_TYPE) {
+        return kVisitAllocationSite;
+      }
+
+      return kVisitStruct;
+
+    default:
+      UNREACHABLE();
+  }
+}
 
 template <typename Callback>
 Callback VisitorDispatchTable<Callback>::GetVisitor(Map* map) {
   return reinterpret_cast<Callback>(callbacks_[map->visitor_id()]);
 }
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::Initialize() {
   table_.Register(kVisitShortcutCandidate,
                   &FixedBodyVisitor<StaticVisitor, ConsString::BodyDescriptor,
@@ skipping 526 matching lines @@
   int size = Context::BodyDescriptor::SizeOf(map, object);
   VisitMapPointer(object, object->map_slot());
   Context::BodyDescriptor::IterateBody(object, size, this);
   return size;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_VISITING_INL_H_