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
23using 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
35static MCInstrInfo *createNVPTXMCInstrInfo() {
36  MCInstrInfo *X = new MCInstrInfo();
37  InitNVPTXMCInstrInfo(X);
38  return X;
39}
40
41static 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
48static MCSubtargetInfo *
49createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
50  return createNVPTXMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
51}
52
53static 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
63static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
64                                                 formatted_raw_ostream &,
65                                                 MCInstPrinter *, bool) {
66  return new NVPTXAsmTargetStreamer(S);
67}
68
69static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
70  return new NVPTXTargetStreamer(S);
71}
72
73// Force static initialization.
74extern "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}
98