text: //===--------------------- InstructionTables.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 implements a custom stage to generate instruction tables.
  /// See the description of command-line flag -instruction-tables in
  /// docs/CommandGuide/lvm-mca.rst
  ///
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_MCA_STAGES_INSTRUCTIONTABLES_H
  #define LLVM_MCA_STAGES_INSTRUCTIONTABLES_H
  
  #include "llvm/ADT/SmallVector.h"
  #include "llvm/MC/MCSchedule.h"
  #include "llvm/MCA/HardwareUnits/Scheduler.h"
  #include "llvm/MCA/Stages/Stage.h"
  #include "llvm/MCA/Support.h"
  
  namespace llvm {
  namespace mca {
  
  class InstructionTables final : public Stage {
    const MCSchedModel &SM;
    SmallVector<ResourceUse, 4> UsedResources;
    SmallVector<uint64_t, 8> Masks;
  
  public:
    InstructionTables(const MCSchedModel &Model)
        : Stage(), SM(Model), Masks(Model.getNumProcResourceKinds()) {
      computeProcResourceMasks(Model, Masks);
    }
  
    bool hasWorkToComplete() const override { return false; }
    Error execute(InstRef &IR) override;
  };
  } // namespace mca
  } // namespace llvm
  
  #endif // LLVM_MCA_STAGES_INSTRUCTIONTABLES_H
  