| //===----------------------- View.cpp ---------------------------*- 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 member functions of the class InstructionView. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include <sstream> |
| #include "Views/InstructionView.h" |
| #include "llvm/MC/MCInst.h" |
| #include "llvm/MC/MCSubtargetInfo.h" |
| |
| namespace llvm { |
| namespace mca { |
| |
| StringRef InstructionView::printInstructionString(const llvm::MCInst &MCI) const { |
| InstructionString = ""; |
| MCIP.printInst(&MCI, 0, "", STI, InstrStream); |
| InstrStream.flush(); |
| // Remove any tabs or spaces at the beginning of the instruction. |
| return StringRef(InstructionString).ltrim(); |
| } |
| |
| json::Value InstructionView::toJSON() const { |
| json::Object JO; |
| json::Array SourceInfo; |
| for (const auto &MCI : getSource()) { |
| StringRef Instruction = printInstructionString(MCI); |
| SourceInfo.push_back(Instruction.str()); |
| } |
| JO.try_emplace("Instructions", std::move(SourceInfo)); |
| |
| json::Array Resources; |
| const MCSchedModel &SM = STI.getSchedModel(); |
| for (unsigned I = 1, E = SM.getNumProcResourceKinds(); I < E; ++I) { |
| const MCProcResourceDesc &ProcResource = *SM.getProcResource(I); |
| unsigned NumUnits = ProcResource.NumUnits; |
| // Skip groups and invalid resources with zero units. |
| if (ProcResource.SubUnitsIdxBegin || !NumUnits) |
| continue; |
| for (unsigned J = 0; J < NumUnits; ++J) { |
| std::stringstream ResNameStream; |
| ResNameStream << ProcResource.Name; |
| if (NumUnits > 1) |
| ResNameStream << "." << J; |
| Resources.push_back(ResNameStream.str()); |
| } |
| } |
| JO.try_emplace("Resources", json::Object({{"CPUName", MCPU}, {"Resources", std::move(Resources)}})); |
| |
| return JO; |
| } |
| } // namespace mca |
| } // namespace llvm |