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annotate lib/Target/NVPTX/MCTargetDesc/NVPTXMCTargetDesc.cpp @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 54457678186b
children 1172e4bd9c6f
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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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13
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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/MCCodeGenInfo.h"
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18 #include "llvm/MC/MCInstrInfo.h"
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19 #include "llvm/MC/MCRegisterInfo.h"
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20 #include "llvm/MC/MCSubtargetInfo.h"
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21 #include "llvm/Support/TargetRegistry.h"
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22
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23 using namespace llvm;
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24
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25 #define GET_INSTRINFO_MC_DESC
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26 #include "NVPTXGenInstrInfo.inc"
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27
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28 #define GET_SUBTARGETINFO_MC_DESC
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29 #include "NVPTXGenSubtargetInfo.inc"
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30
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31 #define GET_REGINFO_MC_DESC
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32 #include "NVPTXGenRegisterInfo.inc"
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33
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34 static MCInstrInfo *createNVPTXMCInstrInfo() {
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35 MCInstrInfo *X = new MCInstrInfo();
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36 InitNVPTXMCInstrInfo(X);
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37 return X;
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38 }
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39
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40 static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) {
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41 MCRegisterInfo *X = new MCRegisterInfo();
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42 // PTX does not have a return address register.
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43 InitNVPTXMCRegisterInfo(X, 0);
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44 return X;
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45 }
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47 static MCSubtargetInfo *
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48 createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
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49 return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
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50 }
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51
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52 static MCCodeGenInfo *createNVPTXMCCodeGenInfo(const Triple &TT,
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53 Reloc::Model RM,
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54 CodeModel::Model CM,
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55 CodeGenOpt::Level OL) {
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56 MCCodeGenInfo *X = new MCCodeGenInfo();
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57
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58 // The default relocation model is used regardless of what the client has
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59 // specified, as it is the only relocation model currently supported.
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60 X->initMCCodeGenInfo(Reloc::Default, CM, OL);
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61 return X;
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62 }
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64 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
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65 unsigned SyntaxVariant,
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66 const MCAsmInfo &MAI,
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67 const MCInstrInfo &MII,
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68 const MCRegisterInfo &MRI) {
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69 if (SyntaxVariant == 0)
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70 return new NVPTXInstPrinter(MAI, MII, MRI);
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71 return nullptr;
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72 }
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73
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74 // Force static initialization.
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75 extern "C" void LLVMInitializeNVPTXTargetMC() {
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76 for (Target *T : {&TheNVPTXTarget32, &TheNVPTXTarget64}) {
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77 // Register the MC asm info.
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78 RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
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79
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80 // Register the MC codegen info.
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81 TargetRegistry::RegisterMCCodeGenInfo(*T, createNVPTXMCCodeGenInfo);
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82
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83 // Register the MC instruction info.
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84 TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
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85
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86 // Register the MC register info.
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87 TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
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88
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89 // Register the MC subtarget info.
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90 TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
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91
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92 // Register the MCInstPrinter.
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93 TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
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94 }
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95 }