SystemZTargetMachine.h revision d858e90f039f5fcdc2fa93035e911a5a9505cc50 
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 "SystemZRegisterInfo.h"
21#include "SystemZSubtarget.h"
22#include "llvm/Target/TargetData.h"
23#include "llvm/Target/TargetFrameInfo.h"
24#include "llvm/Target/TargetMachine.h"
25
26namespace llvm {
27
28/// SystemZTargetMachine
29///
30class SystemZTargetMachine : public LLVMTargetMachine {
31  SystemZSubtarget        Subtarget;
32  const TargetData        DataLayout;       // Calculates type size & alignment
33  SystemZInstrInfo        InstrInfo;
34  SystemZTargetLowering   TLInfo;
35
36  // SystemZ does not have any call stack frame, therefore not having
37  // any SystemZ specific FrameInfo class.
38  TargetFrameInfo       FrameInfo;
39public:
40  SystemZTargetMachine(const Target &T, const std::string &TT,
41                       const std::string &FS);
42
43  virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
44  virtual const SystemZInstrInfo *getInstrInfo() const  { return &InstrInfo; }
45  virtual const TargetData *getTargetData() const     { return &DataLayout;}
46  virtual const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
47
48  virtual const SystemZRegisterInfo *getRegisterInfo() const {
49    return &InstrInfo.getRegisterInfo();
50  }
51
52  virtual const SystemZTargetLowering *getTargetLowering() const {
53    return &TLInfo;
54  }
55
56  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
57}; // SystemZTargetMachine.
58
59} // end namespace llvm
60
61#endif // LLVM_TARGET_SystemZ_TARGETMACHINE_H
62