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/Target/TargetMachine.h" 20 21 namespace llvm { 22 23 class TargetFrameLowering; 24 25 class SystemZTargetMachine : public LLVMTargetMachine { 26 std::unique_ptr<TargetLoweringObjectFile> TLOF; 27 SystemZSubtarget Subtarget; 28 29 public: 30 SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 31 StringRef FS, const TargetOptions &Options, 32 Reloc::Model RM, CodeModel::Model CM, 33 CodeGenOpt::Level OL); 34 ~SystemZTargetMachine() override; 35 36 const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; } 37 const SystemZSubtarget *getSubtargetImpl(const Function &) const override { 38 return &Subtarget; 39 } 40 // Override LLVMTargetMachine 41 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 42 TargetIRAnalysis getTargetIRAnalysis() override; 43 TargetLoweringObjectFile *getObjFileLowering() const override { 44 return TLOF.get(); 45 } 46 47 bool targetSchedulesPostRAScheduling() const override { return true; }; 48 49 }; 50 51 } // end namespace llvm 52 53 #endif 54
