1 //===-- NVPTXMCTargetDesc.cpp - NVPTX Target Descriptions -------*- 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 provides NVPTX specific target descriptions. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "NVPTXMCTargetDesc.h" 15 #include "InstPrinter/NVPTXInstPrinter.h" 16 #include "NVPTXMCAsmInfo.h" 17 #include "llvm/MC/MCInstrInfo.h" 18 #include "llvm/MC/MCRegisterInfo.h" 19 #include "llvm/MC/MCSubtargetInfo.h" 20 #include "llvm/Support/TargetRegistry.h" 21 22 using namespace llvm; 23 24 #define GET_INSTRINFO_MC_DESC 25 #include "NVPTXGenInstrInfo.inc" 26 27 #define GET_SUBTARGETINFO_MC_DESC 28 #include "NVPTXGenSubtargetInfo.inc" 29 30 #define GET_REGINFO_MC_DESC 31 #include "NVPTXGenRegisterInfo.inc" 32 33 static MCInstrInfo *createNVPTXMCInstrInfo() { 34 MCInstrInfo *X = new MCInstrInfo(); 35 InitNVPTXMCInstrInfo(X); 36 return X; 37 } 38 39 static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) { 40 MCRegisterInfo *X = new MCRegisterInfo(); 41 // PTX does not have a return address register. 42 InitNVPTXMCRegisterInfo(X, 0); 43 return X; 44 } 45 46 static MCSubtargetInfo * 47 createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { 48 return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS); 49 } 50 51 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T, 52 unsigned SyntaxVariant, 53 const MCAsmInfo &MAI, 54 const MCInstrInfo &MII, 55 const MCRegisterInfo &MRI) { 56 if (SyntaxVariant == 0) 57 return new NVPTXInstPrinter(MAI, MII, MRI); 58 return nullptr; 59 } 60 61 // Force static initialization. 62 extern "C" void LLVMInitializeNVPTXTargetMC() { 63 for (Target *T : {&TheNVPTXTarget32, &TheNVPTXTarget64}) { 64 // Register the MC asm info. 65 RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T); 66 67 // Register the MC instruction info. 68 TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo); 69 70 // Register the MC register info. 71 TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo); 72 73 // Register the MC subtarget info. 74 TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo); 75 76 // Register the MCInstPrinter. 77 TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter); 78 } 79 } 80
