blob: eaa596f9daf903b64e0fbac27061dd86d47880a4 [file] [log] [blame]
// 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/conversions.h"
#include "src/objects.h"
#include "src/property-details.h"
#include "src/types.h"
namespace v8 {
namespace internal {
inline bool Representation::CanContainDouble(double value) {
if (IsDouble() || is_more_general_than(Representation::Double())) {
return true;
if (IsInt32Double(value)) {
if (IsInteger32()) return true;
if (IsSmi()) return Smi::IsValid(static_cast<int32_t>(value));
return false;
Representation Representation::FromType(Type* type) {
DisallowHeapAllocation no_allocation;
if (type->Is(Type::None())) return Representation::None();
if (type->Is(Type::SignedSmall())) return Representation::Smi();
if (type->Is(Type::Signed32())) return Representation::Integer32();
if (type->Is(Type::Number())) return Representation::Double();
return Representation::Tagged();
} } // namespace v8::internal