llvm/llvm/lib/Target/AMDGPU/GCNCreateVOPD.cpp

//===- GCNCreateVOPD.cpp - Create VOPD Instructions ----------------------===//
//
// 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
/// Combine VALU pairs into VOPD instructions
/// Only works on wave32
/// Has register requirements, we reject creating VOPD if the requirements are
/// not met.
/// shouldCombineVOPD mutator in postRA machine scheduler puts candidate
/// instructions for VOPD back-to-back
///
//
//===----------------------------------------------------------------------===//

#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "GCNVOPDUtils.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIInstrInfo.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include <utility>

#define DEBUG_TYPE …
STATISTIC(NumVOPDCreated, "Number of VOPD Insts Created.");

usingnamespacellvm;

namespace {

class GCNCreateVOPD : public MachineFunctionPass { … };

} // namespace

char GCNCreateVOPD::ID = …;

char &llvm::GCNCreateVOPDID = …;

INITIALIZE_PASS(…)