1 // Copyright 2014 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.
5 #ifndef V8_COMPILER_COMMON_NODE_CACHE_H_
6 #define V8_COMPILER_COMMON_NODE_CACHE_H_
8 #include "src/assembler.h"
9 #include "src/compiler/node-cache.h"
15 // Bundles various caches for common nodes.
16 class CommonNodeCache FINAL : public ZoneObject {
18 explicit CommonNodeCache(Zone* zone) : zone_(zone) {}
20 Node** FindInt32Constant(int32_t value) {
21 return int32_constants_.Find(zone_, value);
24 Node** FindInt64Constant(int64_t value) {
25 return int64_constants_.Find(zone_, value);
28 Node** FindFloat64Constant(double value) {
29 // We canonicalize double constants at the bit representation level.
30 return float64_constants_.Find(zone_, bit_cast<int64_t>(value));
33 Node** FindExternalConstant(ExternalReference reference) {
34 return external_constants_.Find(zone_, reference.address());
37 Node** FindNumberConstant(double value) {
38 // We canonicalize double constants at the bit representation level.
39 return number_constants_.Find(zone_, bit_cast<int64_t>(value));
42 Zone* zone() const { return zone_; }
44 void GetCachedNodes(NodeVector* nodes) {
45 int32_constants_.GetCachedNodes(nodes);
46 int64_constants_.GetCachedNodes(nodes);
47 float64_constants_.GetCachedNodes(nodes);
48 external_constants_.GetCachedNodes(nodes);
49 number_constants_.GetCachedNodes(nodes);
53 Int32NodeCache int32_constants_;
54 Int64NodeCache int64_constants_;
55 Int64NodeCache float64_constants_;
56 PtrNodeCache external_constants_;
57 Int64NodeCache number_constants_;
61 } // namespace compiler
62 } // namespace internal
65 #endif // V8_COMPILER_COMMON_NODE_CACHE_H_