llvm/lib/Target/M68k/M68kTargetMachine.h

   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