NVPTXMCTargetDesc.cpp revision 252723 
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 "NVPTXMCAsmInfo.h"
16#include "llvm/MC/MCCodeGenInfo.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
22#define GET_INSTRINFO_MC_DESC
23#include "NVPTXGenInstrInfo.inc"
24
25#define GET_SUBTARGETINFO_MC_DESC
26#include "NVPTXGenSubtargetInfo.inc"
27
28#define GET_REGINFO_MC_DESC
29#include "NVPTXGenRegisterInfo.inc"
30
31using namespace llvm;
32
33static MCInstrInfo *createNVPTXMCInstrInfo() {
34  MCInstrInfo *X = new MCInstrInfo();
35  InitNVPTXMCInstrInfo(X);
36  return X;
37}
38
39static MCRegisterInfo *createNVPTXMCRegisterInfo(StringRef 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(StringRef TT, StringRef CPU, StringRef FS) {
48  MCSubtargetInfo *X = new MCSubtargetInfo();
49  InitNVPTXMCSubtargetInfo(X, TT, CPU, FS);
50  return X;
51}
52
53static MCCodeGenInfo *createNVPTXMCCodeGenInfo(
54    StringRef TT, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL) {
55  MCCodeGenInfo *X = new MCCodeGenInfo();
56  X->InitMCCodeGenInfo(RM, CM, OL);
57  return X;
58}
59
60// Force static initialization.
61extern "C" void LLVMInitializeNVPTXTargetMC() {
62  // Register the MC asm info.
63  RegisterMCAsmInfo<NVPTXMCAsmInfo> X(TheNVPTXTarget32);
64  RegisterMCAsmInfo<NVPTXMCAsmInfo> Y(TheNVPTXTarget64);
65
66  // Register the MC codegen info.
67  TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget32,
68                                        createNVPTXMCCodeGenInfo);
69  TargetRegistry::RegisterMCCodeGenInfo(TheNVPTXTarget64,
70                                        createNVPTXMCCodeGenInfo);
71
72  // Register the MC instruction info.
73  TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget32, createNVPTXMCInstrInfo);
74  TargetRegistry::RegisterMCInstrInfo(TheNVPTXTarget64, createNVPTXMCInstrInfo);
75
76  // Register the MC register info.
77  TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget32,
78                                    createNVPTXMCRegisterInfo);
79  TargetRegistry::RegisterMCRegInfo(TheNVPTXTarget64,
80                                    createNVPTXMCRegisterInfo);
81
82  // Register the MC subtarget info.
83  TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget32,
84                                          createNVPTXMCSubtargetInfo);
85  TargetRegistry::RegisterMCSubtargetInfo(TheNVPTXTarget64,
86                                          createNVPTXMCSubtargetInfo);
87
88}
89