forked from OSchip/llvm-project
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
//===-- Analysis.h ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// Analysis output for benchmark results.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_EXEGESIS_ANALYSIS_H
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#define LLVM_TOOLS_LLVM_EXEGESIS_ANALYSIS_H
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#include "Clustering.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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#include <unordered_map>
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namespace exegesis {
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// A helper class to analyze benchmark results for a target.
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class Analysis {
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public:
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Analysis(const llvm::Target &Target,
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const InstructionBenchmarkClustering &Clustering);
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// Prints a csv of instructions for each cluster.
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llvm::Error printClusters(llvm::raw_ostream &OS) const;
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// Find potential errors in the scheduling information given measurements.
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llvm::Error printSchedClassInconsistencies(llvm::raw_ostream &OS) const;
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private:
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void printInstructionRow(bool PrintSchedClass, size_t PointId,
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llvm::raw_ostream &OS) const;
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// Builds a map of Sched Class -> indices of points that belong to the sched
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// class.
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std::unordered_map<unsigned, std::vector<size_t>>
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makePointsPerSchedClass() const;
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const InstructionBenchmarkClustering &Clustering_;
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std::unique_ptr<llvm::MCSubtargetInfo> SubtargetInfo_;
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std::unique_ptr<llvm::MCInstrInfo> InstrInfo_;
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std::unordered_map<std::string, unsigned> MnemonicToOpcode_;
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};
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} // namespace exegesis
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#endif // LLVM_TOOLS_LLVM_EXEGESIS_CLUSTERING_H
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