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// 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() {}
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** 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);
// 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_;
Int64NodeCache number_constants_;
IntPtrNodeCache heap_constants_;
Zone* const zone_;
DISALLOW_COPY_AND_ASSIGN(CommonNodeCache);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_COMMON_NODE_CACHE_H_
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