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 
getSubtargetImpl()39   const SystemZSubtarget *getSubtargetImpl() const { return &Subtarget; }
40 
getSubtargetImpl(const Function &)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 
getObjFileLowering()49   TargetLoweringObjectFile *getObjFileLowering() const override {
50     return TLOF.get();
51   }
52 
targetSchedulesPostRAScheduling()53   bool targetSchedulesPostRAScheduling() const override { return true; };
54 };
55 
56 } // end namespace llvm
57 
58 #endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
59