NVPTXTargetMachine.h revision cd81d94322a39503e4a3e87b6ee03d4fcb3465fb 
1//===-- NVPTXTargetMachine.h - Define TargetMachine for NVPTX ---*- 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 declares the NVPTX specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef NVPTX_TARGETMACHINE_H
15#define NVPTX_TARGETMACHINE_H
16
17#include "NVPTXSubtarget.h"
18#include "ManagedStringPool.h"
19#include "llvm/Target/TargetFrameLowering.h"
20#include "llvm/Target/TargetMachine.h"
21#include "llvm/Target/TargetSelectionDAGInfo.h"
22
23namespace llvm {
24
25/// NVPTXTargetMachine
26///
27class NVPTXTargetMachine : public LLVMTargetMachine {
28  NVPTXSubtarget Subtarget;
29
30  // Hold Strings that can be free'd all together with NVPTXTargetMachine
31  ManagedStringPool ManagedStrPool;
32
33public:
34  NVPTXTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
35                     const TargetOptions &Options, Reloc::Model RM,
36                     CodeModel::Model CM, CodeGenOpt::Level OP, bool is64bit);
37
38  const TargetFrameLowering *getFrameLowering() const override {
39    return getSubtargetImpl()->getFrameLowering();
40  }
41  const NVPTXInstrInfo *getInstrInfo() const override {
42    return getSubtargetImpl()->getInstrInfo();
43  }
44  const DataLayout *getDataLayout() const override {
45    return getSubtargetImpl()->getDataLayout();
46  }
47  const NVPTXSubtarget *getSubtargetImpl() const override { return &Subtarget; }
48  const NVPTXRegisterInfo *getRegisterInfo() const override {
49    return getSubtargetImpl()->getRegisterInfo();
50  }
51
52  const NVPTXTargetLowering *getTargetLowering() const override {
53    return getSubtargetImpl()->getTargetLowering();
54  }
55
56  const TargetSelectionDAGInfo *getSelectionDAGInfo() const override {
57    return getSubtargetImpl()->getSelectionDAGInfo();
58  }
59
60  ManagedStringPool *getManagedStrPool() const {
61    return const_cast<ManagedStringPool *>(&ManagedStrPool);
62  }
63
64  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
65
66  // Emission of machine code through JITCodeEmitter is not supported.
67  bool addPassesToEmitMachineCode(PassManagerBase &, JITCodeEmitter &,
68                                  bool = true) override {
69    return true;
70  }
71
72  // Emission of machine code through MCJIT is not supported.
73  bool addPassesToEmitMC(PassManagerBase &, MCContext *&, raw_ostream &,
74                         bool = true) override {
75    return true;
76  }
77
78}; // NVPTXTargetMachine.
79
80class NVPTXTargetMachine32 : public NVPTXTargetMachine {
81  virtual void anchor();
82public:
83  NVPTXTargetMachine32(const Target &T, StringRef TT, StringRef CPU,
84                       StringRef FS, const TargetOptions &Options,
85                       Reloc::Model RM, CodeModel::Model CM,
86                       CodeGenOpt::Level OL);
87};
88
89class NVPTXTargetMachine64 : public NVPTXTargetMachine {
90  virtual void anchor();
91public:
92  NVPTXTargetMachine64(const Target &T, StringRef TT, StringRef CPU,
93                       StringRef FS, const TargetOptions &Options,
94                       Reloc::Model RM, CodeModel::Model CM,
95                       CodeGenOpt::Level OL);
96};
97
98} // end namespace llvm
99
100#endif
101