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_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
  16 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
  17
  18 #include "SystemZSubtarget.h"
  19 #include "llvm/ADT/Optional.h"
  20 #include "llvm/ADT/StringRef.h"
  21 #include "llvm/Analysis/TargetTransformInfo.h"
  22 #include "llvm/Support/CodeGen.h"
  23 #include "llvm/Target/TargetMachine.h"
  24 #include <memory>
  25
  26 namespace llvm {
  27
  28 class SystemZTargetMachine : public LLVMTargetMachine {
  29   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  30   SystemZSubtarget Subtarget;
  31
  32 public:
  33   SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  34                        StringRef FS, const TargetOptions &Options,
  35                        Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
  36                        CodeGenOpt::Level OL, bool JIT);
  37   ~SystemZTargetMachine() override;
  38
  39   const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
  40
  41   const SystemZSubtarget *getSubtargetImpl(const Function &) const override {
  42     return &Subtarget;
  43   }
  44
  45   // Override LLVMTargetMachine
  46   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  47   TargetTransformInfo getTargetTransformInfo(const Function &F) override;
  48
  49   TargetLoweringObjectFile *getObjFileLowering() const override {
  50     return TLOF.get();
  51   }
  52
  53   bool targetSchedulesPostRAScheduling() const override { return true; };
  54 };
  55
  56 } // end namespace llvm
  57
  58 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H