| // 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. |
| |
| #ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ |
| #define V8_COMPILER_COMMON_NODE_CACHE_H_ |
| |
| #include "src/compiler/node-cache.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declarations. |
| class ExternalReference; |
| class HeapObject; |
| template <typename> |
| class Handle; |
| |
| |
| namespace compiler { |
| |
| // Bundles various caches for common nodes. |
| class CommonNodeCache final { |
| public: |
| explicit CommonNodeCache(Zone* zone) : zone_(zone) {} |
| ~CommonNodeCache() = default; |
| |
| Node** FindInt32Constant(int32_t value) { |
| return int32_constants_.Find(zone(), value); |
| } |
| |
| Node** FindInt64Constant(int64_t value) { |
| return int64_constants_.Find(zone(), value); |
| } |
| |
| Node** FindFloat32Constant(float value) { |
| // We canonicalize float constants at the bit representation level. |
| return float32_constants_.Find(zone(), bit_cast<int32_t>(value)); |
| } |
| |
| Node** FindFloat64Constant(double value) { |
| // We canonicalize double constants at the bit representation level. |
| return float64_constants_.Find(zone(), bit_cast<int64_t>(value)); |
| } |
| |
| Node** FindExternalConstant(ExternalReference value); |
| |
| Node** FindPointerConstant(intptr_t value) { |
| return pointer_constants_.Find(zone(), value); |
| } |
| |
| Node** FindNumberConstant(double value) { |
| // We canonicalize double constants at the bit representation level. |
| return number_constants_.Find(zone(), bit_cast<int64_t>(value)); |
| } |
| |
| Node** FindHeapConstant(Handle<HeapObject> value); |
| |
| Node** FindRelocatableInt32Constant(int32_t value, RelocInfoMode rmode) { |
| return relocatable_int32_constants_.Find(zone(), |
| std::make_pair(value, rmode)); |
| } |
| |
| Node** FindRelocatableInt64Constant(int64_t value, RelocInfoMode rmode) { |
| return relocatable_int64_constants_.Find(zone(), |
| std::make_pair(value, rmode)); |
| } |
| |
| // Return all nodes from the cache. |
| void GetCachedNodes(ZoneVector<Node*>* nodes); |
| |
| Zone* zone() const { return zone_; } |
| |
| private: |
| Int32NodeCache int32_constants_; |
| Int64NodeCache int64_constants_; |
| Int32NodeCache float32_constants_; |
| Int64NodeCache float64_constants_; |
| IntPtrNodeCache external_constants_; |
| IntPtrNodeCache pointer_constants_; |
| Int64NodeCache number_constants_; |
| IntPtrNodeCache heap_constants_; |
| RelocInt32NodeCache relocatable_int32_constants_; |
| RelocInt64NodeCache relocatable_int64_constants_; |
| Zone* const zone_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CommonNodeCache); |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_COMMON_NODE_CACHE_H_ |