| 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 | |
| 21 | namespace llvm { |
| 22 | |
| 23 | class SUnit; |
| 24 | |
| 25 | class HexagonVLIWResourceModel : public VLIWResourceModel { |
| 26 | public: |
| 27 | using VLIWResourceModel::VLIWResourceModel; |
| 28 | bool hasDependence(const SUnit *SUd, const SUnit *SUu) override; |
| 29 | }; |
| 30 | |
| 31 | class HexagonConvergingVLIWScheduler : public ConvergingVLIWScheduler { |
| 32 | protected: |
| 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 |