[turbofan] Use MachineRepresentation for PropertyCell access.

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 591 matching lines @@
             Context::SlotOffset(static_cast<int>(index)) + kHeapObjectTag);
   FieldAccess access = {kTaggedBase,
                         offset,
                         Handle<Name>(),
                         Type::Any(),
                         MachineType::AnyTagged(),
                         kFullWriteBarrier};
   return access;
 }
 
-
-// static
-FieldAccess AccessBuilder::ForPropertyCellValue() {
-  return ForPropertyCellValue(Type::Tagged());
-}
-
-
-// static
-FieldAccess AccessBuilder::ForPropertyCellValue(Type* type) {
-  // Extract representation dimension of {type} into MachineType {r}.
-  MachineType r = MachineType::AnyTagged();
-  WriteBarrierKind w = kFullWriteBarrier;
-  if (type->Is(Type::TaggedSigned())) {
-    r = MachineType::TaggedSigned();
-    w = kNoWriteBarrier;
-  } else if (type->Is(Type::TaggedPointer())) {
-    r = MachineType::TaggedPointer();
-  }
-  FieldAccess access = {
-      kTaggedBase, PropertyCell::kValueOffset, Handle<Name>(), type, r, w};
-  return access;
-}
-
 // static
 ElementAccess AccessBuilder::ForFixedArrayElement() {
   ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Tagged(),
                           MachineType::AnyTagged(), kFullWriteBarrier};
   return access;
 }
 
 // static
 ElementAccess AccessBuilder::ForFixedArrayElement(ElementsKind kind) {
   ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Any(),
@@ skipping 88 matching lines @@
   }
   UNREACHABLE();
   ElementAccess access = {kUntaggedBase, 0, Type::None(), MachineType::None(),
                           kNoWriteBarrier};
   return access;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8