[turbofan] Structure AccessBuilder interface a bit.

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/types-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 20 matching lines @@
 
 
 // static
 FieldAccess AccessBuilder::ForJSFunctionContext() {
   return {kTaggedBase, JSFunction::kContextOffset, MaybeHandle<Name>(),
           Type::Internal(), kMachAnyTagged};
 }
 
 
 // static
+FieldAccess AccessBuilder::ForJSFunctionSharedFunctionInfo() {
+  return {kTaggedBase, JSFunction::kSharedFunctionInfoOffset, Handle<Name>(),
+          Type::Any(), kMachAnyTagged};
+}
+
+
+// static
 FieldAccess AccessBuilder::ForJSArrayBufferBackingStore() {
   return {kTaggedBase, JSArrayBuffer::kBackingStoreOffset, MaybeHandle<Name>(),
           Type::UntaggedPointer(), kMachPtr};
 }
 
 
 // static
 FieldAccess AccessBuilder::ForJSDateField(JSDate::FieldIndex index) {
   return {kTaggedBase, JSDate::kValueOffset + index * kPointerSize,
           MaybeHandle<Name>(), Type::Number(), kMachAnyTagged};
@@ skipping 71 matching lines @@
 // static
 FieldAccess AccessBuilder::ForContextSlot(size_t index) {
   int offset = Context::kHeaderSize + static_cast<int>(index) * kPointerSize;
   DCHECK_EQ(offset,
             Context::SlotOffset(static_cast<int>(index)) + kHeapObjectTag);
   return {kTaggedBase, offset, Handle<Name>(), Type::Any(), kMachAnyTagged};
 }
 
 
 // static
-FieldAccess AccessBuilder::ForStatsCounter() {
-  return {kUntaggedBase, 0, MaybeHandle<Name>(), Type::Signed32(), kMachInt32};
-}
-
-
-// static
 FieldAccess AccessBuilder::ForPropertyCellValue() {
   return {kTaggedBase, PropertyCell::kValueOffset, Handle<Name>(), Type::Any(),
           kMachAnyTagged};
 }
 
 
+// static
+FieldAccess AccessBuilder::ForSharedFunctionInfoTypeFeedbackVector() {
+  return {kTaggedBase, SharedFunctionInfo::kFeedbackVectorOffset,
+          Handle<Name>(), Type::Any(), kMachAnyTagged};
+}
+
+
 // static
 ElementAccess AccessBuilder::ForFixedArrayElement() {
   return {kTaggedBase, FixedArray::kHeaderSize, Type::Any(), kMachAnyTagged};
 }
 
 
 // static
 ElementAccess AccessBuilder::ForTypedArrayElement(ExternalArrayType type,
                                                   bool is_external) {
   BaseTaggedness taggedness = is_external ? kUntaggedBase : kTaggedBase;
@@ skipping 31 matching lines @@
     case String::TWO_BYTE_ENCODING:
       return {kTaggedBase, SeqString::kHeaderSize, Type::Unsigned32(),
               kMachUint16};
   }
   UNREACHABLE();
   return {kUntaggedBase, 0, Type::None(), kMachNone};
 }
 
 
 // static
-FieldAccess AccessBuilder::ForJSFunctionSharedFunctionInfo() {
-  return {kTaggedBase, JSFunction::kSharedFunctionInfoOffset, Handle<Name>(),
-          Type::Any(), kMachAnyTagged};
+FieldAccess AccessBuilder::ForStatsCounter() {
+  return {kUntaggedBase, 0, MaybeHandle<Name>(), Type::Signed32(), kMachInt32};
 }
 
 
-// static
-FieldAccess AccessBuilder::ForSharedFunctionInfoTypeFeedbackVector() {
-  return {kTaggedBase, SharedFunctionInfo::kFeedbackVectorOffset,
-          Handle<Name>(), Type::Any(), kMachAnyTagged};
-}
-
-
 // static
 FieldAccess AccessBuilder::ForFrameCallerFramePtr() {
   return {kUntaggedBase, StandardFrameConstants::kCallerFPOffset,
           MaybeHandle<Name>(), Type::Internal(), kMachPtr};
 }
 
 
 // static
 FieldAccess AccessBuilder::ForFrameMarker() {
   return {kUntaggedBase, StandardFrameConstants::kMarkerOffset,
           MaybeHandle<Name>(), Type::Tagged(), kMachAnyTagged};
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8