llvm/tools/llvm-mca/Views/InstructionView.cpp

   1 //===----------------------- InstructionView.cpp ----------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 /// \file
   9 ///
  10 /// This file defines the member functions of the class InstructionView.
  11 ///
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "Views/InstructionView.h"
  15 #include "llvm/MC/MCInst.h"
  16 #include "llvm/MC/MCInstPrinter.h"
  17 #include "llvm/MC/MCSubtargetInfo.h"
  18
  19 namespace llvm {
  20 namespace mca {
  21
  22 InstructionView::~InstructionView() = default;
  23
  24 StringRef
  25 InstructionView::printInstructionString(const llvm::MCInst &MCI) const {
  26   InstructionString = "";
  27   MCIP.printInst(&MCI, 0, "", STI, InstrStream);
  28   InstrStream.flush();
  29   // Remove any tabs or spaces at the beginning of the instruction.
  30   return StringRef(InstructionString).ltrim();
  31 }
  32
  33 json::Value InstructionView::toJSON() const {
  34   json::Array SourceInfo;
  35   for (const auto &MCI : getSource()) {
  36     StringRef Instruction = printInstructionString(MCI);
  37     SourceInfo.push_back(Instruction.str());
  38   }
  39   return SourceInfo;
  40 }
  41
  42 } // namespace mca
  43 } // namespace llvm