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      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 "SystemZFrameLowering.h"
     21 #include "SystemZSelectionDAGInfo.h"
     22 #include "SystemZRegisterInfo.h"
     23 #include "SystemZSubtarget.h"
     24 #include "llvm/Target/TargetData.h"
     25 #include "llvm/Target/TargetFrameLowering.h"
     26 #include "llvm/Target/TargetMachine.h"
     27 
     28 namespace llvm {
     29 
     30 /// SystemZTargetMachine
     31 ///
     32 class SystemZTargetMachine : public LLVMTargetMachine {
     33   SystemZSubtarget        Subtarget;
     34   const TargetData        DataLayout;       // Calculates type size & alignment
     35   SystemZInstrInfo        InstrInfo;
     36   SystemZTargetLowering   TLInfo;
     37   SystemZSelectionDAGInfo TSInfo;
     38   SystemZFrameLowering    FrameLowering;
     39 public:
     40   SystemZTargetMachine(const Target &T, StringRef TT,
     41                        StringRef CPU, StringRef FS,
     42                        Reloc::Model RM, CodeModel::Model CM);
     43 
     44   virtual const TargetFrameLowering *getFrameLowering() const {
     45     return &FrameLowering;
     46   }
     47   virtual const SystemZInstrInfo *getInstrInfo() const  { return &InstrInfo; }
     48   virtual const TargetData *getTargetData() const     { return &DataLayout;}
     49   virtual const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
     50 
     51   virtual const SystemZRegisterInfo *getRegisterInfo() const {
     52     return &InstrInfo.getRegisterInfo();
     53   }
     54 
     55   virtual const SystemZTargetLowering *getTargetLowering() const {
     56     return &TLInfo;
     57   }
     58 
     59   virtual const SystemZSelectionDAGInfo* getSelectionDAGInfo() const {
     60     return &TSInfo;
     61   }
     62 
     63   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
     64 }; // SystemZTargetMachine.
     65 
     66 } // end namespace llvm
     67 
     68 #endif // LLVM_TARGET_SystemZ_TARGETMACHINE_H
     69