6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
//===- OutlinedHashTreeRecord.h --------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===---------------------------------------------------------------------===//
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//
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// This defines the OutlinedHashTreeRecord class. This class holds the outlined
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// hash tree for both serialization and deserialization processes. It utilizes
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// two data formats for serialization: raw binary data and YAML.
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// These two formats can be used interchangeably.
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_CGDATA_OUTLINEDHASHTREERECORD_H
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#define LLVM_CGDATA_OUTLINEDHASHTREERECORD_H
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#include "llvm/CGData/OutlinedHashTree.h"
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namespace llvm {
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/// HashNodeStable is the serialized, stable, and compact representation
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/// of a HashNode.
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struct HashNodeStable {
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llvm::yaml::Hex64 Hash;
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unsigned Terminals;
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std::vector<unsigned> SuccessorIds;
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};
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using IdHashNodeStableMapTy = std::map<unsigned, HashNodeStable>;
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using IdHashNodeMapTy = DenseMap<unsigned, HashNode *>;
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using HashNodeIdMapTy = DenseMap<const HashNode *, unsigned>;
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struct OutlinedHashTreeRecord {
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std::unique_ptr<OutlinedHashTree> HashTree;
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OutlinedHashTreeRecord() { HashTree = std::make_unique<OutlinedHashTree>(); }
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OutlinedHashTreeRecord(std::unique_ptr<OutlinedHashTree> HashTree)
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: HashTree(std::move(HashTree)) {};
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/// Serialize the outlined hash tree to a raw_ostream.
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void serialize(raw_ostream &OS) const;
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/// Deserialize the outlined hash tree from a raw_ostream.
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void deserialize(const unsigned char *&Ptr);
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/// Serialize the outlined hash tree to a YAML stream.
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void serializeYAML(yaml::Output &YOS) const;
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/// Deserialize the outlined hash tree from a YAML stream.
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void deserializeYAML(yaml::Input &YIS);
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/// Merge the other outlined hash tree into this one.
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void merge(const OutlinedHashTreeRecord &Other) {
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HashTree->merge(Other.HashTree.get());
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}
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/// \returns true if the outlined hash tree is empty.
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bool empty() const { return HashTree->empty(); }
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/// Print the outlined hash tree in a YAML format.
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void print(raw_ostream &OS = llvm::errs()) const {
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yaml::Output YOS(OS);
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serializeYAML(YOS);
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}
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private:
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/// Convert the outlined hash tree to stable data.
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void convertToStableData(IdHashNodeStableMapTy &IdNodeStableMap) const;
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/// Convert the stable data back to the outlined hash tree.
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void convertFromStableData(const IdHashNodeStableMapTy &IdNodeStableMap);
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};
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} // end namespace llvm
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#endif // LLVM_CGDATA_OUTLINEDHASHTREERECORD_H
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