xref: /llvm-project-15.0.7/llvm/lib/Target/AVR/AVR.h (revision f4debddb)
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 void initializeAVRExpandPseudoPass(PassRegistry&);
34 
35 /// Contains the AVR backend.
36 namespace AVR {
37 
38 enum AddressSpace { DataMemory, ProgramMemory };
39 
40 template <typename T> bool isProgramMemoryAddress(T *V) {
41   return cast<PointerType>(V->getType())->getAddressSpace() == ProgramMemory;
42 }
43 
44 inline bool isProgramMemoryAccess(MemSDNode const *N) {
45   auto V = N->getMemOperand()->getValue();
46 
47   return (V != nullptr) ? isProgramMemoryAddress(V) : false;
48 }
49 
50 } // end of namespace AVR
51 
52 } // end namespace llvm
53 
54 #endif // LLVM_AVR_H
55