[turbofan] Introduce MachineRepresentation to PropertyAccessInfo.

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 315 matching lines @@
   return access;
 }
 
 
 // static
 FieldAccess AccessBuilder::ForFixedArrayLength() {
   FieldAccess access = {kTaggedBase,
                         FixedArray::kLengthOffset,
                         MaybeHandle<Name>(),
                         TypeCache::Get().kFixedArrayLengthType,
-                        MachineType::AnyTagged(),
+                        MachineType::TaggedSigned(),
                         kNoWriteBarrier};
   return access;
 }
 
 // static
 FieldAccess AccessBuilder::ForFixedTypedArrayBaseBasePointer() {
   FieldAccess access = {kTaggedBase,
                         FixedTypedArrayBase::kBasePointerOffset,
                         MaybeHandle<Name>(),
                         Type::Tagged(),
@@ skipping 95 matching lines @@
                         MachineType::Uint32(), kNoWriteBarrier};
   return access;
 }
 
 // static
 FieldAccess AccessBuilder::ForStringLength() {
   FieldAccess access = {kTaggedBase,
                         String::kLengthOffset,
                         Handle<Name>(),
                         TypeCache::Get().kStringLengthType,
-                        MachineType::AnyTagged(),
+                        MachineType::TaggedSigned(),
                         kNoWriteBarrier};
   return access;
 }
 
 // static
 FieldAccess AccessBuilder::ForConsStringFirst() {
   FieldAccess access = {
       kTaggedBase,    ConsString::kFirstOffset, Handle<Name>(),
       Type::String(), MachineType::AnyTagged(), kPointerWriteBarrier};
   return access;
@@ skipping 268 matching lines @@
   }
   UNREACHABLE();
   ElementAccess access = {kUntaggedBase, 0, Type::None(), MachineType::None(),
                           kNoWriteBarrier};
   return access;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8