SystemZTargetMachine.h revision ff7a562751604a9fe13efc75bd59622244b54d35 
1//==- SystemZTargetMachine.h - Define TargetMachine for SystemZ ---*- 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 SystemZ specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14
15#ifndef LLVM_TARGET_SYSTEMZ_TARGETMACHINE_H
16#define LLVM_TARGET_SYSTEMZ_TARGETMACHINE_H
17
18#include "SystemZInstrInfo.h"
19#include "SystemZISelLowering.h"
20#include "SystemZSelectionDAGInfo.h"
21#include "SystemZRegisterInfo.h"
22#include "SystemZSubtarget.h"
23#include "llvm/Target/TargetData.h"
24#include "llvm/Target/TargetFrameInfo.h"
25#include "llvm/Target/TargetMachine.h"
26
27namespace llvm {
28
29/// SystemZTargetMachine
30///
31class SystemZTargetMachine : public LLVMTargetMachine {
32  SystemZSubtarget        Subtarget;
33  const TargetData        DataLayout;       // Calculates type size & alignment
34  SystemZInstrInfo        InstrInfo;
35  SystemZTargetLowering   TLInfo;
36  SystemZSelectionDAGInfo TSInfo;
37
38  // SystemZ does not have any call stack frame, therefore not having
39  // any SystemZ specific FrameInfo class.
40  TargetFrameInfo       FrameInfo;
41public:
42  SystemZTargetMachine(const Target &T, const std::string &TT,
43                       const std::string &FS);
44
45  virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
46  virtual const SystemZInstrInfo *getInstrInfo() const  { return &InstrInfo; }
47  virtual const TargetData *getTargetData() const     { return &DataLayout;}
48  virtual const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
49
50  virtual const SystemZRegisterInfo *getRegisterInfo() const {
51    return &InstrInfo.getRegisterInfo();
52  }
53
54  virtual const SystemZTargetLowering *getTargetLowering() const {
55    return &TLInfo;
56  }
57
58  virtual const SystemZSelectionDAGInfo* getSelectionDAGInfo() const {
59    return &TSInfo;
60  }
61
62  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
63}; // SystemZTargetMachine.
64
65} // end namespace llvm
66
67#endif // LLVM_TARGET_SystemZ_TARGETMACHINE_H
68