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annotate lib/Target/NVPTX/MCTargetDesc/NVPTXMCTargetDesc.cpp @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents afa8332a0e37
children c2174574ed3a
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1 //===-- NVPTXMCTargetDesc.cpp - NVPTX Target Descriptions -------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file provides NVPTX specific target descriptions.
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11 //
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12 //===----------------------------------------------------------------------===//
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14 #include "NVPTXMCTargetDesc.h"
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15 #include "InstPrinter/NVPTXInstPrinter.h"
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16 #include "NVPTXMCAsmInfo.h"
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17 #include "llvm/MC/MCInstrInfo.h"
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18 #include "llvm/MC/MCRegisterInfo.h"
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19 #include "llvm/MC/MCSubtargetInfo.h"
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20 #include "llvm/Support/TargetRegistry.h"
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22 using namespace llvm;
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24 #define GET_INSTRINFO_MC_DESC
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25 #include "NVPTXGenInstrInfo.inc"
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26
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27 #define GET_SUBTARGETINFO_MC_DESC
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28 #include "NVPTXGenSubtargetInfo.inc"
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29
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30 #define GET_REGINFO_MC_DESC
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31 #include "NVPTXGenRegisterInfo.inc"
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32
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33 static MCInstrInfo *createNVPTXMCInstrInfo() {
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34 MCInstrInfo *X = new MCInstrInfo();
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35 InitNVPTXMCInstrInfo(X);
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36 return X;
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37 }
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39 static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) {
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40 MCRegisterInfo *X = new MCRegisterInfo();
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41 // PTX does not have a return address register.
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42 InitNVPTXMCRegisterInfo(X, 0);
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43 return X;
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44 }
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46 static MCSubtargetInfo *
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47 createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
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48 return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
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49 }
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50
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51 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
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52 unsigned SyntaxVariant,
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53 const MCAsmInfo &MAI,
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54 const MCInstrInfo &MII,
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55 const MCRegisterInfo &MRI) {
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56 if (SyntaxVariant == 0)
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57 return new NVPTXInstPrinter(MAI, MII, MRI);
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58 return nullptr;
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59 }
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61 // Force static initialization.
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62 extern "C" void LLVMInitializeNVPTXTargetMC() {
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63 for (Target *T : {&getTheNVPTXTarget32(), &getTheNVPTXTarget64()}) {
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64 // Register the MC asm info.
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65 RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
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67 // Register the MC instruction info.
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68 TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
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70 // Register the MC register info.
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71 TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
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73 // Register the MC subtarget info.
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74 TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
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76 // Register the MCInstPrinter.
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77 TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
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78 }
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79 }