[turbofan] Initial support for inline allocations of arrays.

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/contexts.h"
 #include "src/frames.h"
 #include "src/heap/heap.h"
 #include "src/type-cache.h"
@@ skipping 257 matching lines @@
 // static
 FieldAccess AccessBuilder::ForSharedFunctionInfoTypeFeedbackVector() {
   FieldAccess access = {kTaggedBase, SharedFunctionInfo::kFeedbackVectorOffset,
                         Handle<Name>(), Type::Any(), kMachAnyTagged};
   return access;
 }
 
 
 // static
 ElementAccess AccessBuilder::ForFixedArrayElement() {
-  ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Any(),
+  ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Tagged(),
                           kMachAnyTagged};
   return access;
 }
 
 
 // static
+ElementAccess AccessBuilder::ForFixedDoubleArrayElement() {
+  ElementAccess access = {kTaggedBase, FixedDoubleArray::kHeaderSize,
+                          TypeCache::Get().kFloat64, kMachFloat64};
+  return access;
+}
+
+
+// static
 ElementAccess AccessBuilder::ForTypedArrayElement(ExternalArrayType type,
                                                   bool is_external) {
   BaseTaggedness taggedness = is_external ? kUntaggedBase : kTaggedBase;
   int header_size = is_external ? 0 : FixedTypedArrayBase::kDataOffset;
   switch (type) {
     case kExternalInt8Array: {
       ElementAccess access = {taggedness, header_size, Type::Signed32(),
                               kMachInt8};
       return access;
     }
@@ skipping 59 matching lines @@
 // static
 FieldAccess AccessBuilder::ForFrameMarker() {
   FieldAccess access = {kUntaggedBase, StandardFrameConstants::kMarkerOffset,
                         MaybeHandle<Name>(), Type::Tagged(), kMachAnyTagged};
   return access;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8