llvm/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 "NVPTXMCTargetDesc.h"
  14 #include "NVPTXInstPrinter.h"
  15 #include "NVPTXMCAsmInfo.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/MC/TargetRegistry.h"
  22
  23 using namespace llvm;
  24
  25 #define GET_INSTRINFO_MC_DESC
  26 #define ENABLE_INSTR_PREDICATE_VERIFIER
  27 #include "NVPTXGenInstrInfo.inc"
  28
  29 #define GET_SUBTARGETINFO_MC_DESC
  30 #include "NVPTXGenSubtargetInfo.inc"
  31
  32 #define GET_REGINFO_MC_DESC
  33 #include "NVPTXGenRegisterInfo.inc"
  34
  35 static MCInstrInfo *createNVPTXMCInstrInfo() {
  36   MCInstrInfo *X = new MCInstrInfo();
  37   InitNVPTXMCInstrInfo(X);
  38   return X;
  39 }
  40
  41 static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) {
  42   MCRegisterInfo *X = new MCRegisterInfo();
  43   // PTX does not have a return address register.
  44   InitNVPTXMCRegisterInfo(X, 0);
  45   return X;
  46 }
  47
  48 static MCSubtargetInfo *
  49 createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
  50   return createNVPTXMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
  51 }
  52
  53 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
  54                                                unsigned SyntaxVariant,
  55                                                const MCAsmInfo &MAI,
  56                                                const MCInstrInfo &MII,
  57                                                const MCRegisterInfo &MRI) {
  58   if (SyntaxVariant == 0)
  59     return new NVPTXInstPrinter(MAI, MII, MRI);
  60   return nullptr;
  61 }
  62
  63 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
  64                                                  formatted_raw_ostream &,
  65                                                  MCInstPrinter *, bool) {
  66   return new NVPTXAsmTargetStreamer(S);
  67 }
  68
  69 static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
  70   return new NVPTXTargetStreamer(S);
  71 }
  72
  73 // Force static initialization.
  74 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeNVPTXTargetMC() {
  75   for (Target *T : {&getTheNVPTXTarget32(), &getTheNVPTXTarget64()}) {
  76     // Register the MC asm info.
  77     RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
  78
  79     // Register the MC instruction info.
  80     TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
  81
  82     // Register the MC register info.
  83     TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
  84
  85     // Register the MC subtarget info.
  86     TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
  87
  88     // Register the MCInstPrinter.
  89     TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
  90
  91     // Register the MCTargetStreamer.
  92     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
  93
  94     // Register the MCTargetStreamer.
  95     TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
  96   }
  97 }