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