llvm/llvm/include/llvm/CodeGen/LatencyPriorityQueue.h

//===---- LatencyPriorityQueue.h - A latency-oriented priority queue ------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file declares the LatencyPriorityQueue class, which is a
// SchedulingPriorityQueue that schedules using latency information to
// reduce the length of the critical path through the basic block.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_LATENCYPRIORITYQUEUE_H
#define LLVM_CODEGEN_LATENCYPRIORITYQUEUE_H

#include "llvm/CodeGen/ScheduleDAG.h"
#include "llvm/Config/llvm-config.h"

namespace llvm {
  class LatencyPriorityQueue;

  /// Sorting functions for the Available queue.
  struct latency_sort { … };

  class LatencyPriorityQueue : public SchedulingPriorityQueue { … };
}

#endif