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, StringRef 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 override {
37     return &Subtarget;
38   }
39   // Override LLVMTargetMachine
40   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
41   TargetLoweringObjectFile *getObjFileLowering() const override {
42     return TLOF.get();
43   }
44 };
45 
46 } // end namespace llvm
47 
48 #endif
49