AVR.h

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//===-- 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/Target/TargetMachine.h"
 
namespace llvm {
 
class AVRTargetMachine;
class FunctionPass;
 
Pass *createAVRShiftExpandPass();
FunctionPass *createAVRISelDag(AVRTargetMachine &TM,
                               CodeGenOpt::Level OptLevel);
FunctionPass *createAVRExpandPseudoPass();
FunctionPass *createAVRFrameAnalyzerPass();
FunctionPass *createAVRRelaxMemPass();
FunctionPass *createAVRDynAllocaSRPass();
FunctionPass *createAVRBranchSelectionPass();
 
void initializeAVRShiftExpandPass(PassRegistry &);
void initializeAVRExpandPseudoPass(PassRegistry &);
void initializeAVRRelaxMemPass(PassRegistry &);
 
/// Contains the AVR backend.
namespace AVR {
 
/// An integer that identifies all of the supported AVR address spaces.
enum AddressSpace { DataMemory, ProgramMemory };
 
/// Checks if a given type is a pointer to program memory.
template <typename T> bool isProgramMemoryAddress(T *V) {
  return cast<PointerType>(V->getType())->getAddressSpace() == ProgramMemory;
}
 
inline bool isProgramMemoryAccess(MemSDNode const *N) {
  auto V = N->getMemOperand()->getValue();
 
  return (V != nullptr) ? isProgramMemoryAddress(V) : false;
}
 
} // end of namespace AVR
 
} // end namespace llvm
 
#endif // LLVM_AVR_H