Forking the type system between Crankshaft & Turbofan.

src/crankshaft/hydrogen-types.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/crankshaft/hydrogen-types.h"
 
 #include "src/field-type.h"
 #include "src/handles-inl.h"
 #include "src/ostreams.h"
 
 namespace v8 {
 namespace internal {
 
 // static
-HType HType::FromType(Type* type) {
-  if (Type::Any()->Is(type)) return HType::Any();
+HType HType::FromType(AstType* type) {
+  if (AstType::Any()->Is(type)) return HType::Any();
   if (!type->IsInhabited()) return HType::None();
-  if (type->Is(Type::SignedSmall())) return HType::Smi();
-  if (type->Is(Type::Number())) return HType::TaggedNumber();
-  if (type->Is(Type::Null())) return HType::Null();
-  if (type->Is(Type::String())) return HType::String();
-  if (type->Is(Type::Boolean())) return HType::Boolean();
-  if (type->Is(Type::Undefined())) return HType::Undefined();
-  if (type->Is(Type::Object())) return HType::JSObject();
-  if (type->Is(Type::DetectableReceiver())) return HType::JSReceiver();
+  if (type->Is(AstType::SignedSmall())) return HType::Smi();
+  if (type->Is(AstType::Number())) return HType::TaggedNumber();
+  if (type->Is(AstType::Null())) return HType::Null();
+  if (type->Is(AstType::String())) return HType::String();
+  if (type->Is(AstType::Boolean())) return HType::Boolean();
+  if (type->Is(AstType::Undefined())) return HType::Undefined();
+  if (type->Is(AstType::Object())) return HType::JSObject();
+  if (type->Is(AstType::DetectableReceiver())) return HType::JSReceiver();
   return HType::Tagged();
 }
 
 
 // static
 HType HType::FromFieldType(Handle<FieldType> type, Zone* temp_zone) {
   return FromType(type->Convert(temp_zone));
 }
 
 // static
@@ skipping 30 matching lines @@
     return os << #Name;
     HTYPE_LIST(DEFINE_CASE)
 #undef DEFINE_CASE
   }
   UNREACHABLE();
   return os;
 }
 
 }  // namespace internal
 }  // namespace v8