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 getSubtargetImpl()38 const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; } 39 getSubtargetImpl(const Function &)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 getObjFileLowering()48 TargetLoweringObjectFile *getObjFileLowering() const override { 49 return TLOF.get(); 50 } 51 targetSchedulesPostRAScheduling()52 bool targetSchedulesPostRAScheduling() const override { return true; }; 53 }; 54 55 } // end namespace llvm 56 57 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H 58