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(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 MCCodeGenInfo *createNVPTXMCCodeGenInfo(const Triple &TT,
53                                               Reloc::Model RM,
54                                               CodeModel::Model CM,
55                                               CodeGenOpt::Level OL) {
56  MCCodeGenInfo *X = new MCCodeGenInfo();
57
58  // The default relocation model is used regardless of what the client has
59  // specified, as it is the only relocation model currently supported.
60  X->initMCCodeGenInfo(Reloc::Default, CM, OL);
61  return X;
62}
63
64static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
65                                               unsigned SyntaxVariant,
66                                               const MCAsmInfo &MAI,
67                                               const MCInstrInfo &MII,
68                                               const MCRegisterInfo &MRI) {
69  if (SyntaxVariant == 0)
70    return new NVPTXInstPrinter(MAI, MII, MRI);
71  return nullptr;
72}
73
74// Force static initialization.
75extern "C" void LLVMInitializeNVPTXTargetMC() {
76  for (Target *T : {&TheNVPTXTarget32, &TheNVPTXTarget64}) {
77    // Register the MC asm info.
78    RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
79
80    // Register the MC codegen info.
81    TargetRegistry::RegisterMCCodeGenInfo(*T, createNVPTXMCCodeGenInfo);
82
83    // Register the MC instruction info.
84    TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
85
86    // Register the MC register info.
87    TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
88
89    // Register the MC subtarget info.
90    TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
91
92    // Register the MCInstPrinter.
93    TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
94  }
95}
96