1//===- HexagonMachineScheduler.h - Custom Hexagon MI scheduler --*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Custom Hexagon MI scheduler.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONMACHINESCHEDULER_H
14#define LLVM_LIB_TARGET_HEXAGON_HEXAGONMACHINESCHEDULER_H
15
16#include "llvm/CodeGen/MachineScheduler.h"
17#include "llvm/CodeGen/RegisterPressure.h"
18#include "llvm/CodeGen/TargetSubtargetInfo.h"
19#include "llvm/CodeGen/VLIWMachineScheduler.h"
20
21namespace llvm {
22
23class SUnit;
24
25class HexagonVLIWResourceModel : public VLIWResourceModel {
26public:
27 using VLIWResourceModel::VLIWResourceModel;
28 bool hasDependence(const SUnit *SUd, const SUnit *SUu) override;
29};
30
31class HexagonConvergingVLIWScheduler : public ConvergingVLIWScheduler {
32protected:
33 VLIWResourceModel *
34 createVLIWResourceModel(const TargetSubtargetInfo &STI,
35 const TargetSchedModel *SchedModel) const override;
36 int SchedulingCost(ReadyQueue &Q, SUnit *SU, SchedCandidate &Candidate,
37 RegPressureDelta &Delta, bool verbose) override;
38};
39
40} // end namespace llvm
41
42#endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONMACHINESCHEDULER_H
43