llvm/llvm/include/llvm/CodeGen/MachineMemOperand.h

//==- llvm/CodeGen/MachineMemOperand.h - MachineMemOperand class -*- 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 file contains the declaration of the MachineMemOperand class, which is a
// description of a memory reference. It is used to help track dependencies
// in the backend.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_MACHINEMEMOPERAND_H
#define LLVM_CODEGEN_MACHINEMEMOPERAND_H

#include "llvm/ADT/BitmaskEnum.h"
#include "llvm/ADT/PointerUnion.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGenTypes/LowLevelType.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Value.h" // PointerLikeTypeTraits<Value*>
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/DataTypes.h"

namespace llvm {

class MDNode;
class raw_ostream;
class MachineFunction;
class ModuleSlotTracker;
class TargetInstrInfo;

/// This class contains a discriminated union of information about pointers in
/// memory operands, relating them back to LLVM IR or to virtual locations (such
/// as frame indices) that are exposed during codegen.
struct MachinePointerInfo { … };


//===----------------------------------------------------------------------===//
/// A description of a memory reference used in the backend.
/// Instead of holding a StoreInst or LoadInst, this class holds the address
/// Value of the reference along with a byte size and offset. This allows it
/// to describe lowered loads and stores. Also, the special PseudoSourceValue
/// objects can be used to represent loads and stores to memory locations
/// that aren't explicit in the regular LLVM IR.
///
class MachineMemOperand { … };

} // End llvm namespace

#endif