1 //===-- M68kTargetMachine.h - Define TargetMachine for M68k -----*- 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 /// \file
10 /// This file declares the M68k specific subclass of TargetMachine.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_M68K_M68KTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_M68K_M68KTARGETMACHINE_H
16 
17 #include "M68kSubtarget.h"
18 #include "MCTargetDesc/M68kMCTargetDesc.h"
19 
20 #include "llvm/CodeGen/Passes.h"
21 #include "llvm/CodeGen/SelectionDAGISel.h"
22 #include "llvm/CodeGen/TargetFrameLowering.h"
23 #include "llvm/Target/TargetMachine.h"
24 
25 #include <optional>
26 
27 namespace llvm {
28 class formatted_raw_ostream;
29 class M68kRegisterInfo;
30 
31 class M68kTargetMachine : public LLVMTargetMachine {
32   std::unique_ptr<TargetLoweringObjectFile> TLOF;
33   M68kSubtarget Subtarget;
34 
35   mutable StringMap<std::unique_ptr<M68kSubtarget>> SubtargetMap;
36 
37 public:
38   M68kTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
39                     StringRef FS, const TargetOptions &Options,
40                     std::optional<Reloc::Model> RM,
41                     std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
42                     bool JIT);
43 
44   ~M68kTargetMachine() override;
45 
46   const M68kSubtarget *getSubtargetImpl() const { return &Subtarget; }
47 
48   const M68kSubtarget *getSubtargetImpl(const Function &F) const override;
49 
50   MachineFunctionInfo *
51   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
52                             const TargetSubtargetInfo *STI) const override;
53 
54   // Pass Pipeline Configuration
55   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
56 
57   TargetLoweringObjectFile *getObjFileLowering() const override {
58     return TLOF.get();
59   }
60 };
61 } // namespace llvm
62 
63 #endif // LLVM_LIB_TARGET_M68K_M68KTARGETMACHINE_H
64