llvm/llvm/lib/Target/AMDGPU/R600Packetizer.cpp

//===----- R600Packetizer.cpp - VLIW packetizer ---------------------------===//
//
// 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 pass implements instructions packetization for R600. It unsets isLast
/// bit of instructions inside a bundle and substitutes src register with
/// PreviousVector when applicable.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/R600MCTargetDesc.h"
#include "R600.h"
#include "R600Subtarget.h"
#include "llvm/CodeGen/DFAPacketizer.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/ScheduleDAG.h"

usingnamespacellvm;

#define DEBUG_TYPE …

namespace {

class R600Packetizer : public MachineFunctionPass { … };

class R600PacketizerList : public VLIWPacketizerList { … };

bool R600Packetizer::runOnMachineFunction(MachineFunction &Fn) { … }

} // end anonymous namespace

INITIALIZE_PASS_BEGIN(R600Packetizer, DEBUG_TYPE,
                     "R600 Packetizer", false, false)
INITIALIZE_PASS_END(R600Packetizer, DEBUG_TYPE,
                    "R600 Packetizer", false, false)

char R600Packetizer::ID = …;

char &llvm::R600PacketizerID = …;

llvm::FunctionPass *llvm::createR600Packetizer() { … }