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//===----------------------- InstructionView.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 that examine and reference
/// a sequence of machine instructions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
#include "Views/View.h"
#include "llvm/Support/JSON.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
namespace mca {
// The base class for views that deal with individual machine instructions.
class InstructionView : public View {
const llvm::MCSubtargetInfo &STI;
llvm::MCInstPrinter &MCIP;
llvm::ArrayRef<llvm::MCInst> Source;
mutable std::string InstructionString;
mutable raw_string_ostream InstrStream;
public:
void printView(llvm::raw_ostream &) const override {}
InstructionView(const llvm::MCSubtargetInfo &STI,
llvm::MCInstPrinter &Printer, llvm::ArrayRef<llvm::MCInst> S)
: STI(STI), MCIP(Printer), Source(S), InstrStream(InstructionString) {}
virtual ~InstructionView();
StringRef getNameAsString() const override { return "Instructions"; }
// Return a reference to a string representing a given machine instruction.
// The result should be used or copied before the next call to
// printInstructionString() as it will overwrite the previous result.
StringRef printInstructionString(const llvm::MCInst &MCI) const;
const llvm::MCSubtargetInfo &getSubTargetInfo() const { return STI; }
llvm::MCInstPrinter &getInstPrinter() const { return MCIP; }
llvm::ArrayRef<llvm::MCInst> getSource() const { return Source; }
json::Value toJSON() const override;
};
} // namespace mca
} // namespace llvm
#endif
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