lib/Target/NVPTX/MCTargetDesc/NVPTXMCTargetDesc.cpp

   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/MCCodeGenInfo.h"
  18 #include "llvm/MC/MCInstrInfo.h"
  19 #include "llvm/MC/MCRegisterInfo.h"
  20 #include "llvm/MC/MCSubtargetInfo.h"
  21 #include "llvm/Support/TargetRegistry.h"
  22
  23 using namespace llvm;
  24
  25 #define GET_INSTRINFO_MC_DESC
  26 #include "NVPTXGenInstrInfo.inc"
  27
  28 #define GET_SUBTARGETINFO_MC_DESC
  29 #include "NVPTXGenSubtargetInfo.inc"
  30
  31 #define GET_REGINFO_MC_DESC
  32 #include "NVPTXGenRegisterInfo.inc"
  33
  34 static MCInstrInfo *createNVPTXMCInstrInfo() {
  35   MCInstrInfo *X = new MCInstrInfo();
  36   InitNVPTXMCInstrInfo(X);
  37   return X;
  38 }
  39
  40 static MCRegisterInfo *createNVPTXMCRegisterInfo(StringRef TT) {
  41   MCRegisterInfo *X = new MCRegisterInfo();
  42   // PTX does not have a return address register.
  43   InitNVPTXMCRegisterInfo(X, 0);
  44   return X;
  45 }
  46
  47 static MCSubtargetInfo *
  48 createNVPTXMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS) {
  49   MCSubtargetInfo *X = new MCSubtargetInfo();
  50   InitNVPTXMCSubtargetInfo(X, TT, CPU, FS);
  51   return X;
  52 }
  53
  54 static MCCodeGenInfo *createNVPTXMCCodeGenInfo(
  55     StringRef TT, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL) {
  56   MCCodeGenInfo *X = new MCCodeGenInfo();
  57   X->InitMCCodeGenInfo(RM, CM, OL);
  58   return X;
  59 }
  60
  61 static MCInstPrinter *createNVPTXMCInstPrinter(const Target &T,
  62                                                unsigned SyntaxVariant,
  63                                                const MCAsmInfo &MAI,
  64                                                const MCInstrInfo &MII,
  65                                                const MCRegisterInfo &MRI,
  66                                                const MCSubtargetInfo &STI) {
  67   if (SyntaxVariant == 0)
  68     return new NVPTXInstPrinter(MAI, MII, MRI, STI);
  69   return 0;
  70 }
  71
  72 // Force static initialization.
  73 extern "C" void LLVMInitializeNVPTXTargetMC() {
  74   // Register the MC asm info.
  75   RegisterMCAsmInfo<NVPTXMCAsmInfo> X(TheNVPTXTarget32);
  76   RegisterMCAsmInfo<NVPTXMCAsmInfo> Y(TheNVPTXTarget64);
  77
  78   // Register the MC codegen info.
  79   TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget32,
  80                                         createNVPTXMCCodeGenInfo);
  81   TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget64,
  82                                         createNVPTXMCCodeGenInfo);
  83
  84   // Register the MC instruction info.
  85   TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget32, createNVPTXMCInstrInfo);
  86   TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget64, createNVPTXMCInstrInfo);
  87
  88   // Register the MC register info.
  89   TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget32,
  90                                     createNVPTXMCRegisterInfo);
  91   TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget64,
  92                                     createNVPTXMCRegisterInfo);
  93
  94   // Register the MC subtarget info.
  95   TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget32,
  96                                           createNVPTXMCSubtargetInfo);
  97   TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget64,
  98                                           createNVPTXMCSubtargetInfo);
  99
 100   // Register the MCInstPrinter.
 101   TargetRegistry::RegisterMCInstPrinter(TheNVPTXTarget32,
 102                                         createNVPTXMCInstPrinter);
 103   TargetRegistry::RegisterMCInstPrinter(TheNVPTXTarget64,
 104                                         createNVPTXMCInstPrinter);
 105 }