lib/Target/SystemZ/SystemZTargetMachine.h

   1 //=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- C++ -*-=//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file declares the SystemZ specific subclass of TargetMachine.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13
  14 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
  15 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
  16
  17 #include "SystemZSubtarget.h"
  18 #include "llvm/ADT/Optional.h"
  19 #include "llvm/ADT/StringRef.h"
  20 #include "llvm/Analysis/TargetTransformInfo.h"
  21 #include "llvm/Support/CodeGen.h"
  22 #include "llvm/Target/TargetMachine.h"
  23 #include <memory>
  24
  25 namespace llvm {
  26
  27 class SystemZTargetMachine : public LLVMTargetMachine {
  28   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  29   SystemZSubtarget Subtarget;
  30
  31 public:
  32   SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  33                        StringRef FS, const TargetOptions &Options,
  34                        Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
  35                        CodeGenOpt::Level OL, bool JIT);
  36   ~SystemZTargetMachine() override;
  37
  38   const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
  39
  40   const SystemZSubtarget *getSubtargetImpl(const Function &) const override {
  41     return &Subtarget;
  42   }
  43
  44   // Override LLVMTargetMachine
  45   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  46   TargetTransformInfo getTargetTransformInfo(const Function &F) override;
  47
  48   TargetLoweringObjectFile *getObjFileLowering() const override {
  49     return TLOF.get();
  50   }
  51
  52   bool targetSchedulesPostRAScheduling() const override { return true; };
  53 };
  54
  55 } // end namespace llvm
  56
  57 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H