llvm/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCShuffler.cpp

//===----- HexagonMCShuffler.cpp - MC bundle shuffling --------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This implements the shuffling of insns inside a bundle according to the
// packet formation rules of the Hexagon ISA.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/HexagonMCShuffler.h"
#include "MCTargetDesc/HexagonMCInstrInfo.h"
#include "MCTargetDesc/HexagonShuffler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>

#define DEBUG_TYPE …

usingnamespacellvm;

static cl::opt<bool>
    DisableShuffle("disable-hexagon-shuffle", cl::Hidden, cl::init(false),
                   cl::desc("Disable Hexagon instruction shuffling"));

void HexagonMCShuffler::init(MCInst &MCB) { … }

void HexagonMCShuffler::init(MCInst &MCB, MCInst const &AddMI,
                             bool bInsertAtFront) { … }

void HexagonMCShuffler::copyTo(MCInst &MCB) { … }

bool HexagonMCShuffler::reshuffleTo(MCInst &MCB) { … }

bool llvm::HexagonMCShuffle(MCContext &Context, bool ReportErrors,
                            MCInstrInfo const &MCII, MCSubtargetInfo const &STI,
                            MCInst &MCB) { … }

bool llvm::HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
                            MCSubtargetInfo const &STI, MCInst &MCB,
                            SmallVector<DuplexCandidate, 8> possibleDuplexes) { … }

bool llvm::HexagonMCShuffle(MCContext &Context, MCInstrInfo const &MCII,
                            MCSubtargetInfo const &STI, MCInst &MCB,
                            MCInst const &AddMI, int fixupCount) { … }