lib/Target/SystemZ/SystemZTargetMachine.h

   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
  26 namespace llvm {
  27
  28 /// SystemZTargetMachine
  29 ///
  30 class 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;
  39 public:
  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 SystemZTargetLowering *getTargetLowering() const {
  53     return const_cast<SystemZTargetLowering*>(&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