GCNVOPDUtils.h

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//===- GCNVOPDUtils.h - GCN VOPD Utils  ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
/// \file This file contains the AMDGPU DAG scheduling
/// mutation to pair VOPD instructions back to back. It also contains
//  subroutines useful in the creation of VOPD instructions
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_AMDGPU_VOPDUTILS_H
#define LLVM_LIB_TARGET_AMDGPU_VOPDUTILS_H
 
#include "llvm/CodeGen/MachineScheduler.h"
 
namespace llvm {
 
class SIInstrInfo;
 
bool checkVOPDRegConstraints(const SIInstrInfo &TII,
                             const MachineInstr &FirstMI,
                             const MachineInstr &SecondMI, bool IsVOPD3);
 
std::unique_ptr<ScheduleDAGMutation> createVOPDPairingMutation();
 
} // namespace llvm
 
#endif // LLVM_LIB_TARGET_AMDGPU_VOPDUTILS_H