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//===----------------------- View.h -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file defines the main interface for Views. Each view contributes a
/// portion of the final report generated by the tool.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_MCA_VIEW_H
#define LLVM_TOOLS_LLVM_MCA_VIEW_H
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MCA/HWEventListener.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/JSON.h"
namespace llvm {
namespace mca {
class View : public HWEventListener {
public:
enum OutputKind { OK_READABLE, OK_JSON };
void printView(OutputKind OutputKind, llvm::raw_ostream &OS) {
if (OutputKind == OK_JSON)
printViewJSON(OS);
else
printView(OS);
}
virtual void printView(llvm::raw_ostream &OS) const = 0;
virtual void printViewJSON(llvm::raw_ostream &OS) {
json::Object JO;
JO.try_emplace(getNameAsString().str(), toJSON());
OS << formatv("{0:2}", json::Value(std::move(JO))) << "\n";
}
virtual ~View() = default;
virtual StringRef getNameAsString() const = 0;
virtual json::Value toJSON() const { return "not implemented"; }
void anchor() override;
};
} // namespace mca
} // namespace llvm
#endif
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