1 //===-- AVR.h - Top-level interface for AVR representation ------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the entry points for global functions defined in the LLVM 11 // AVR back-end. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_AVR_H 16 #define LLVM_AVR_H 17 18 #include "llvm/CodeGen/SelectionDAGNodes.h" 19 #include "llvm/Target/TargetMachine.h" 20 21 namespace llvm { 22 23 class AVRTargetMachine; 24 class FunctionPass; 25 26 FunctionPass *createAVRISelDag(AVRTargetMachine &TM, 27 CodeGenOpt::Level OptLevel); 28 FunctionPass *createAVRExpandPseudoPass(); 29 FunctionPass *createAVRFrameAnalyzerPass(); 30 FunctionPass *createAVRRelaxMemPass(); 31 FunctionPass *createAVRDynAllocaSRPass(); 32 FunctionPass *createAVRBranchSelectionPass(); 33 34 void initializeAVRExpandPseudoPass(PassRegistry&); 35 void initializeAVRRelaxMemPass(PassRegistry&); 36 37 /// Contains the AVR backend. 38 namespace AVR { 39 40 /// An integer that identifies all of the supported AVR address spaces. 41 enum AddressSpace { DataMemory, ProgramMemory }; 42 43 /// Checks if a given type is a pointer to program memory. 44 template <typename T> bool isProgramMemoryAddress(T *V) { 45 return cast<PointerType>(V->getType())->getAddressSpace() == ProgramMemory; 46 } 47 48 inline bool isProgramMemoryAccess(MemSDNode const *N) { 49 auto V = N->getMemOperand()->getValue(); 50 51 return (V != nullptr) ? isProgramMemoryAddress(V) : false; 52 } 53 54 } // end of namespace AVR 55 56 } // end namespace llvm 57 58 #endif // LLVM_AVR_H 59