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// Copyright 2018 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/refs-map.h"
namespace v8 {
namespace internal {
namespace compiler {
using UnderlyingMap =
base::TemplateHashMapImpl<Address, ObjectData*, AddressMatcher,
ZoneAllocationPolicy>;
RefsMap::RefsMap(uint32_t capacity, AddressMatcher match, Zone* zone)
: UnderlyingMap(capacity, match, ZoneAllocationPolicy(zone)) {}
RefsMap::RefsMap(const RefsMap* other, Zone* zone)
: UnderlyingMap(other, ZoneAllocationPolicy(zone)) {}
RefsMap::Entry* RefsMap::Lookup(const Address& key) const {
return UnderlyingMap::Lookup(key, Hash(key));
}
RefsMap::Entry* RefsMap::LookupOrInsert(const Address& key, Zone* zone) {
return UnderlyingMap::LookupOrInsert(key, RefsMap::Hash(key),
[]() { return nullptr; },
ZoneAllocationPolicy(zone));
}
uint32_t RefsMap::Hash(Address addr) { return static_cast<uint32_t>(addr); }
} // namespace compiler
} // namespace internal
} // namespace v8
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