llvm/llvm/lib/Target/AMDGPU/R600ExpandSpecialInstrs.cpp

//===- R600ExpandSpecialInstrs.cpp - Expand special 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
/// Vector, Reduction, and Cube instructions need to fill the entire instruction
/// group to work correctly.  This pass expands these individual instructions
/// into several instructions that will completely fill the instruction group.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/R600MCTargetDesc.h"
#include "R600.h"
#include "R600Defines.h"
#include "R600Subtarget.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"

usingnamespacellvm;

#define DEBUG_TYPE …

namespace {

class R600ExpandSpecialInstrsPass : public MachineFunctionPass { … };

} // end anonymous namespace

INITIALIZE_PASS_BEGIN(R600ExpandSpecialInstrsPass, DEBUG_TYPE,
                     "R600 Expand Special Instrs", false, false)
INITIALIZE_PASS_END(R600ExpandSpecialInstrsPass, DEBUG_TYPE,
                    "R600ExpandSpecialInstrs", false, false)

char R600ExpandSpecialInstrsPass::ID = …;

char &llvm::R600ExpandSpecialInstrsPassID = …;

FunctionPass *llvm::createR600ExpandSpecialInstrsPass() { … }

void R600ExpandSpecialInstrsPass::SetFlagInNewMI(MachineInstr *NewMI,
    const MachineInstr *OldMI, unsigned Op) { … }

bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) { … }