61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
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//===----------------------- View.cpp ---------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file defines the member functions of the class InstructionView.
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///
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//===----------------------------------------------------------------------===//
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#include <sstream>
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#include "Views/InstructionView.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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namespace llvm {
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namespace mca {
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StringRef InstructionView::printInstructionString(const llvm::MCInst &MCI) const {
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InstructionString = "";
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MCIP.printInst(&MCI, 0, "", STI, InstrStream);
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InstrStream.flush();
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// Remove any tabs or spaces at the beginning of the instruction.
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return StringRef(InstructionString).ltrim();
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}
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json::Value InstructionView::toJSON() const {
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json::Object JO;
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json::Array SourceInfo;
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for (const auto &MCI : getSource()) {
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StringRef Instruction = printInstructionString(MCI);
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SourceInfo.push_back(Instruction.str());
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}
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JO.try_emplace("Instructions", std::move(SourceInfo));
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json::Array Resources;
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const MCSchedModel &SM = STI.getSchedModel();
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for (unsigned I = 1, E = SM.getNumProcResourceKinds(); I < E; ++I) {
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const MCProcResourceDesc &ProcResource = *SM.getProcResource(I);
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unsigned NumUnits = ProcResource.NumUnits;
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// Skip groups and invalid resources with zero units.
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if (ProcResource.SubUnitsIdxBegin || !NumUnits)
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continue;
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for (unsigned J = 0; J < NumUnits; ++J) {
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std::stringstream ResNameStream;
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ResNameStream << ProcResource.Name;
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if (NumUnits > 1)
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ResNameStream << "." << J;
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Resources.push_back(ResNameStream.str());
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}
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}
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JO.try_emplace("Resources", json::Object({{"CPUName", MCPU}, {"Resources", std::move(Resources)}}));
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return JO;
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}
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} // namespace mca
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} // namespace llvm
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