68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
//===----------------------- InstrucionView.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/MC/MCInstPrinter.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "llvm/Support/JSON.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;
|
|
StringRef MCPU;
|
|
|
|
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,
|
|
StringRef MCPU = StringRef())
|
|
: STI(STI), MCIP(Printer), Source(S), MCPU(MCPU),
|
|
InstrStream(InstructionString) {}
|
|
|
|
virtual ~InstructionView() = default;
|
|
|
|
StringRef getNameAsString() const override {
|
|
return "Instructions and CPU resources";
|
|
}
|
|
// 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;
|
|
virtual void printViewJSON(llvm::raw_ostream &OS) override {
|
|
json::Value JV = toJSON();
|
|
OS << formatv("{0:2}", JV) << "\n";
|
|
}
|
|
};
|
|
} // namespace mca
|
|
} // namespace llvm
|
|
|
|
#endif
|