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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_CODEGEN_MACHINEBRANCHRELAXATION_H
#define RCC_CODEGEN_MACHINEBRANCHRELAXATION_H
#include "rcc/CodeGen/MachinePassManager.h"
#include <cstddef>
namespace rcc {
class TargetInstrInfo;
struct MachineBranchRelaxationOptions final {
std::size_t ConvergenceWatchdog = 1000000;
};
class MachineBranchRelaxationPass final : public MachineFunctionPass {
public:
explicit MachineBranchRelaxationPass(const TargetInstrInfo &Info,
MachineBranchRelaxationOptions Options = {}) noexcept
: Info(&Info), Options(Options) {}
[[nodiscard]] const MachinePassContract &contract() const noexcept override;
[[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
const TargetDescription &Target,
MachineFunctionAnalysisManager &Analyses) override;
private:
[[nodiscard]] Expected<MachinePassResult>
runImplementation(MachineFunction &Function, const TargetDescription &Target,
MachineFunctionAnalysisManager &Analyses) const;
const TargetInstrInfo *Info;
MachineBranchRelaxationOptions Options;
};
} // namespace rcc
#endif // RCC_CODEGEN_MACHINEBRANCHRELAXATION_H
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