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path: root/backend/lib/CodeGen/MachineSchedulerInternal.h
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// SPDX-License-Identifier: GPL-3.0-or-later

// The private header has no stable include-root-relative guard name.
// NOLINTNEXTLINE(llvm-header-guard)
#ifndef RCC_LIB_CODEGEN_MACHINESCHEDULERINTERNAL_H
#define RCC_LIB_CODEGEN_MACHINESCHEDULERINTERNAL_H

#include "rcc/CodeGen/LiveVariables.h"
#include "rcc/CodeGen/MachineAnalyses.h"
#include "rcc/CodeGen/MachineScheduler.h"
#include "rcc/CodeGen/ScheduleDAG.h"
#include "rcc/Support/Error.h"

#include <vector>

namespace rcc {

class MachineBasicBlock;
class MachineFunction;
class TargetDescription;
class TargetSchedulingModel;
struct MachineSchedulingRunResult final {
  bool Changed = false;
  std::vector<MachineBasicBlock *> ChangedBlocks;
};

[[nodiscard]] Expected<MachineSchedulingRunResult>
runMachineScheduler(MachineFunction &Function, const TargetDescription &Target,
                    const TargetSchedulingModel &Model, ScheduleDAGMode Mode,
                    const LiveVariablesAnalysis::Result &Liveness,
                    const MachineBlockFrequencyAnalysis::Result &Frequencies,
                    MachineSchedulerOptions Options,
                    MachineFunctionAnalysisManager &Analyses);

} // namespace rcc

#endif // RCC_LIB_CODEGEN_MACHINESCHEDULERINTERNAL_H