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/MCCodeGenInfo.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(StringRef 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(StringRef TT, StringRef CPU, StringRef FS) {
49  MCSubtargetInfo *X = new MCSubtargetInfo();
50  InitNVPTXMCSubtargetInfo(X, TT, CPU, FS);
51  return X;
52}
53
54static MCCodeGenInfo *createNVPTXMCCodeGenInfo(
55    StringRef TT, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL) {
56  MCCodeGenInfo *X = new MCCodeGenInfo();
57  X->InitMCCodeGenInfo(RM, CM, OL);
58  return X;
59}
60
61static MCInstPrinter *createNVPTXMCInstPrinter(const Target &T,
62                                               unsigned SyntaxVariant,
63                                               const MCAsmInfo &MAI,
64                                               const MCInstrInfo &MII,
65                                               const MCRegisterInfo &MRI,
66                                               const MCSubtargetInfo &STI) {
67  if (SyntaxVariant == 0)
68    return new NVPTXInstPrinter(MAI, MII, MRI, STI);
69  return nullptr;
70}
71
72// Force static initialization.
73extern "C" void LLVMInitializeNVPTXTargetMC() {
74  // Register the MC asm info.
75  RegisterMCAsmInfo<NVPTXMCAsmInfo> X(TheNVPTXTarget32);
76  RegisterMCAsmInfo<NVPTXMCAsmInfo> Y(TheNVPTXTarget64);
77
78  // Register the MC codegen info.
79  TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget32,
80                                        createNVPTXMCCodeGenInfo);
81  TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget64,
82                                        createNVPTXMCCodeGenInfo);
83
84  // Register the MC instruction info.
85  TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget32, createNVPTXMCInstrInfo);
86  TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget64, createNVPTXMCInstrInfo);
87
88  // Register the MC register info.
89  TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget32,
90                                    createNVPTXMCRegisterInfo);
91  TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget64,
92                                    createNVPTXMCRegisterInfo);
93
94  // Register the MC subtarget info.
95  TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget32,
96                                          createNVPTXMCSubtargetInfo);
97  TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget64,
98                                          createNVPTXMCSubtargetInfo);
99
100  // Register the MCInstPrinter.
101  TargetRegistry::RegisterMCInstPrinter(TheNVPTXTarget32,
102                                        createNVPTXMCInstPrinter);
103  TargetRegistry::RegisterMCInstPrinter(TheNVPTXTarget64,
104                                        createNVPTXMCInstPrinter);
105}
106