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/MCInstrInfo.h"
18#include "llvm/MC/MCRegisterInfo.h"
19#include "llvm/MC/MCSubtargetInfo.h"
20#include "llvm/Support/TargetRegistry.h"
21
22using namespace llvm;
23
24#define GET_INSTRINFO_MC_DESC
25#include "NVPTXGenInstrInfo.inc"
26
27#define GET_SUBTARGETINFO_MC_DESC
28#include "NVPTXGenSubtargetInfo.inc"
29
30#define GET_REGINFO_MC_DESC
31#include "NVPTXGenRegisterInfo.inc"
32
33static MCInstrInfo *createNVPTXMCInstrInfo() {
34  MCInstrInfo *X = new MCInstrInfo();
35  InitNVPTXMCInstrInfo(X);
36  return X;
37}
38
39static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) {
40  MCRegisterInfo *X = new MCRegisterInfo();
41  // PTX does not have a return address register.
42  InitNVPTXMCRegisterInfo(X, 0);
43  return X;
44}
45
46static MCSubtargetInfo *
47createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
48  return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
49}
50
51static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
52                                               unsigned SyntaxVariant,
53                                               const MCAsmInfo &MAI,
54                                               const MCInstrInfo &MII,
55                                               const MCRegisterInfo &MRI) {
56  if (SyntaxVariant == 0)
57    return new NVPTXInstPrinter(MAI, MII, MRI);
58  return nullptr;
59}
60
61// Force static initialization.
62extern "C" void LLVMInitializeNVPTXTargetMC() {
63  for (Target *T : {&TheNVPTXTarget32, &TheNVPTXTarget64}) {
64    // Register the MC asm info.
65    RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
66
67    // Register the MC instruction info.
68    TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
69
70    // Register the MC register info.
71    TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
72
73    // Register the MC subtarget info.
74    TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
75
76    // Register the MCInstPrinter.
77    TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
78  }
79}
80