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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/Target/TargetMachine.h"
19 #include "llvm/CodeGen/SelectionDAGNodes.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 *createAVRDynAllocaSRPass();
31 FunctionPass *createAVRBranchSelectionPass();
32 
33 /// Contains the AVR backend.
34 namespace AVR {
35 
36 enum AddressSpace { DataMemory, ProgramMemory };
37 
isProgramMemoryAddress(T * V)38 template <typename T> bool isProgramMemoryAddress(T *V) {
39   return cast<PointerType>(V->getType())->getAddressSpace() == ProgramMemory;
40 }
41 
isProgramMemoryAccess(MemSDNode const * N)42 inline bool isProgramMemoryAccess(MemSDNode const *N) {
43   auto V = N->getMemOperand()->getValue();
44 
45   return (V != nullptr) ? isProgramMemoryAddress(V) : false;
46 }
47 
48 } // end of namespace AVR
49 
50 } // end namespace llvm
51 
52 #endif // LLVM_AVR_H
53