[compiler] Support Object.create(null) inlining in TF

src/compiler/access-builder.cc

 // 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.
 
 #include "src/compiler/access-builder.h"
 
 #include "src/compiler/type-cache.h"
 #include "src/contexts.h"
 #include "src/frames.h"
 #include "src/handles-inl.h"
@@ skipping 66 matching lines @@
 FieldAccess AccessBuilder::ForJSObjectInObjectProperty(Handle<Map> map,
                                                        int index) {
   int const offset = map->GetInObjectPropertyOffset(index);
   FieldAccess access = {kTaggedBase,         offset,
                         MaybeHandle<Name>(), MaybeHandle<Map>(),
                         Type::NonInternal(), MachineType::AnyTagged(),
                         kFullWriteBarrier};
   return access;
 }
 
+// static
+FieldAccess AccessBuilder::ForJSObjectOffset(
+    int offset, WriteBarrierKind write_barrier_kind) {
+  FieldAccess access = {kTaggedBase,         offset,
+                        MaybeHandle<Name>(), MaybeHandle<Map>(),
+                        Type::NonInternal(), MachineType::AnyTagged(),
+                        write_barrier_kind};
+  return access;
+}
 
 // static
 FieldAccess AccessBuilder::ForJSFunctionPrototypeOrInitialMap() {
   FieldAccess access = {
       kTaggedBase,         JSFunction::kPrototypeOrInitialMapOffset,
       MaybeHandle<Name>(), MaybeHandle<Map>(),
       Type::Any(),         MachineType::AnyTagged(),
       kFullWriteBarrier};
   return access;
 }
@@ skipping 584 matching lines @@
   FieldAccess access = {
       kTaggedBase,         JSSloppyArgumentsObject::kCalleeOffset,
       Handle<Name>(),      MaybeHandle<Map>(),
       Type::NonInternal(), MachineType::AnyTagged(),
       kPointerWriteBarrier};
   return access;
 }
 
 
 // static
-FieldAccess AccessBuilder::ForFixedArraySlot(size_t index) {
+FieldAccess AccessBuilder::ForFixedArraySlot(
+    size_t index, WriteBarrierKind write_barrier_kind) {
   int offset = FixedArray::OffsetOfElementAt(static_cast<int>(index));
   FieldAccess access = {kTaggedBase,         offset,
                         Handle<Name>(),      MaybeHandle<Map>(),
                         Type::NonInternal(), MachineType::AnyTagged(),
-                        kFullWriteBarrier};
+                        write_barrier_kind};
   return access;
 }
 
 
 // static
 FieldAccess AccessBuilder::ForCellValue() {
   FieldAccess access = {kTaggedBase,      Cell::kValueOffset,
                         Handle<Name>(),   MaybeHandle<Map>(),
                         Type::Any(),      MachineType::AnyTagged(),
                         kFullWriteBarrier};
@@ skipping 129 matching lines @@
                               MachineType::Float64(), kNoWriteBarrier};
       return access;
     }
   }
   UNREACHABLE();
   ElementAccess access = {kUntaggedBase, 0, Type::None(), MachineType::None(),
                           kNoWriteBarrier};
   return access;
 }
 
+// static
+FieldAccess AccessBuilder::ForHashTableBaseNumberOfElements() {
+  FieldAccess access = {
+      kTaggedBase,
+      FixedArray::OffsetOfElementAt(HashTableBase::kNumberOfElementsIndex),
+      MaybeHandle<Name>(),
+      MaybeHandle<Map>(),
+      Type::SignedSmall(),
+      MachineType::TaggedSigned(),
+      kNoWriteBarrier};
+  return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForHashTableBaseNumberOfDeletedElement() {
+  FieldAccess access = {
+      kTaggedBase, FixedArray::OffsetOfElementAt(
+                       HashTableBase::kNumberOfDeletedElementsIndex),
+      MaybeHandle<Name>(), MaybeHandle<Map>(), Type::SignedSmall(),
+      MachineType::TaggedSigned(), kNoWriteBarrier};
+  return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForHashTableBaseCapacity() {
+  FieldAccess access = {
+      kTaggedBase,
+      FixedArray::OffsetOfElementAt(HashTableBase::kCapacityIndex),
+      MaybeHandle<Name>(),
+      MaybeHandle<Map>(),
+      Type::SignedSmall(),
+      MachineType::TaggedSigned(),
+      kNoWriteBarrier};
+  return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForDictionaryMaxNumberKey() {
+  FieldAccess access = {
+      kTaggedBase,
+      FixedArray::OffsetOfElementAt(NameDictionary::kMaxNumberKeyIndex),
+      MaybeHandle<Name>(),
+      MaybeHandle<Map>(),
+      Type::Any(),
+      MachineType::AnyTagged(),
+      kNoWriteBarrier};
+  return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForDictionaryNextEnumerationIndex() {
+  FieldAccess access = {
+      kTaggedBase,
+      FixedArray::OffsetOfElementAt(NameDictionary::kNextEnumerationIndexIndex),
+      MaybeHandle<Name>(),
+      MaybeHandle<Map>(),
+      Type::SignedSmall(),
+      MachineType::TaggedSigned(),
+      kNoWriteBarrier};
+  return access;
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8