lib/Target/NVPTX/MCTargetDesc/NVPTXMCTargetDesc.cpp

   1 //===-- NVPTXMCTargetDesc.cpp - NVPTX Target Descriptions -------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file provides NVPTX specific target descriptions.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "NVPTXInstPrinter.h"
  14 #include "NVPTXMCAsmInfo.h"
  15 #include "NVPTXMCTargetDesc.h"
  16 #include "NVPTXTargetStreamer.h"
  17 #include "TargetInfo/NVPTXTargetInfo.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(const Triple &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(const Triple &TT, StringRef CPU, StringRef FS) {
  49   return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
  50 }
  51
  52 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
  53                                                unsigned SyntaxVariant,
  54                                                const MCAsmInfo &MAI,
  55                                                const MCInstrInfo &MII,
  56                                                const MCRegisterInfo &MRI) {
  57   if (SyntaxVariant == 0)
  58     return new NVPTXInstPrinter(MAI, MII, MRI);
  59   return nullptr;
  60 }
  61
  62 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
  63                                                  formatted_raw_ostream &,
  64                                                  MCInstPrinter *, bool) {
  65   return new NVPTXTargetStreamer(S);
  66 }
  67
  68 // Force static initialization.
  69 extern "C" void LLVMInitializeNVPTXTargetMC() {
  70   for (Target *T : {&getTheNVPTXTarget32(), &getTheNVPTXTarget64()}) {
  71     // Register the MC asm info.
  72     RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
  73
  74     // Register the MC instruction info.
  75     TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
  76
  77     // Register the MC register info.
  78     TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
  79
  80     // Register the MC subtarget info.
  81     TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
  82
  83     // Register the MCInstPrinter.
  84     TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
  85
  86     // Register the MCTargetStreamer.
  87     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
  88   }
  89 }