llvm/llvm/lib/Target/AVR/AVR.h

//===-- AVR.h - Top-level interface for AVR representation ------*- 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 entry points for global functions defined in the LLVM
// AVR back-end.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_AVR_H
#define LLVM_AVR_H

#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/Pass.h"
#include "llvm/PassRegistry.h"
#include "llvm/Target/TargetMachine.h"

namespace llvm {

class AVRTargetMachine;
class FunctionPass;
class PassRegistry;

Pass *createAVRShiftExpandPass();
FunctionPass *createAVRISelDag(AVRTargetMachine &TM, CodeGenOptLevel OptLevel);
FunctionPass *createAVRExpandPseudoPass();
FunctionPass *createAVRFrameAnalyzerPass();
FunctionPass *createAVRBranchSelectionPass();

void initializeAVRDAGToDAGISelLegacyPass(PassRegistry &);
void initializeAVRExpandPseudoPass(PassRegistry &);
void initializeAVRShiftExpandPass(PassRegistry &);

/// Contains the AVR backend.
namespace AVR {

/// An integer that identifies all of the supported AVR address spaces.
enum AddressSpace { … };

/// Checks if a given type is a pointer to program memory.
template <typename T> bool isProgramMemoryAddress(T *V) { … }

template <typename T> AddressSpace getAddressSpace(T *V) { … }

inline bool isProgramMemoryAccess(MemSDNode const *N) { … }

// Get the index of the program memory bank.
//  -1: not program memory
//   0: ordinary program memory
// 1~5: extended program memory
inline int getProgramMemoryBank(MemSDNode const *N) { … }

} // end of namespace AVR

} // end namespace llvm

#endif // LLVM_AVR_H