llvm/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.h

//===- HexagonShuffler.h - Instruction bundle shuffling ---------*- C++ -*-===//
//
// 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.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONSHUFFLER_H
#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONSHUFFLER_H

#include "MCTargetDesc/HexagonMCInstrInfo.h"
#include "MCTargetDesc/HexagonMCTargetDesc.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/SMLoc.h"
#include <cstdint>
#include <functional>
#include <optional>
#include <utility>

namespace llvm {

class MCContext;
class MCInst;
class MCInstrInfo;
class MCSubtargetInfo;

// Insn resources.
class HexagonResource { … };

// HVX insn resources.
class HexagonCVIResource : public HexagonResource { … };

// Handle to an insn used by the shuffling algorithm.
class HexagonInstr { … };

// Bundle shuffler.
class HexagonShuffler { … };

} // end namespace llvm

#endif //  LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONSHUFFLER_H