1 // Copyright 2018 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/compiler/refs-map.h"
6
7 namespace v8 {
8 namespace internal {
9 namespace compiler {
10
11 using UnderlyingMap =
12 base::TemplateHashMapImpl<Address, ObjectData*, AddressMatcher,
13 ZoneAllocationPolicy>;
14
RefsMap(uint32_t capacity,AddressMatcher match,Zone * zone)15 RefsMap::RefsMap(uint32_t capacity, AddressMatcher match, Zone* zone)
16 : UnderlyingMap(capacity, match, ZoneAllocationPolicy(zone)) {}
17
RefsMap(const RefsMap * other,Zone * zone)18 RefsMap::RefsMap(const RefsMap* other, Zone* zone)
19 : UnderlyingMap(other, ZoneAllocationPolicy(zone)) {}
20
Lookup(const Address & key) const21 RefsMap::Entry* RefsMap::Lookup(const Address& key) const {
22 return UnderlyingMap::Lookup(key, Hash(key));
23 }
24
LookupOrInsert(const Address & key)25 RefsMap::Entry* RefsMap::LookupOrInsert(const Address& key) {
26 return UnderlyingMap::LookupOrInsert(key, RefsMap::Hash(key),
27 []() { return nullptr; });
28 }
29
Hash(Address addr)30 uint32_t RefsMap::Hash(Address addr) { return static_cast<uint32_t>(addr); }
31
32 } // namespace compiler
33 } // namespace internal
34 } // namespace v8
35