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
23using 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
34static MCInstrInfo *createNVPTXMCInstrInfo() {
35  MCInstrInfo *X = new MCInstrInfo();
36  InitNVPTXMCInstrInfo(X);
37  return X;
38}
39
40static 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
47static MCSubtargetInfo *
48createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
49  return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
50}
51
52static 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
62static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
63                                                 formatted_raw_ostream &,
64                                                 MCInstPrinter *, bool) {
65  return new NVPTXTargetStreamer(S);
66}
67
68// Force static initialization.
69extern "C" LLVM_EXTERNAL_VISIBILITY 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}
90