llvm/lib/Target/Hexagon/HexagonTargetMachine.h

   1 //=-- HexagonTargetMachine.h - Define TargetMachine for Hexagon ---*- 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 // This file declares the Hexagon specific subclass of TargetMachine.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
  14 #define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
  15
  16 #include "HexagonInstrInfo.h"
  17 #include "HexagonSubtarget.h"
  18 #include "HexagonTargetObjectFile.h"
  19 #include "llvm/Target/TargetMachine.h"
  20 #include <optional>
  21
  22 namespace llvm {
  23
  24 class HexagonTargetMachine : public LLVMTargetMachine {
  25   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  26   HexagonSubtarget Subtarget;
  27   mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
  28
  29 public:
  30   HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  31                        StringRef FS, const TargetOptions &Options,
  32                        std::optional<Reloc::Model> RM,
  33                        std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
  34                        bool JIT);
  35   ~HexagonTargetMachine() override;
  36   const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
  37
  38   void registerPassBuilderCallbacks(PassBuilder &PB) override;
  39   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  40   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
  41
  42   HexagonTargetObjectFile *getObjFileLowering() const override {
  43     return static_cast<HexagonTargetObjectFile*>(TLOF.get());
  44   }
  45
  46   MachineFunctionInfo *
  47   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
  48                             const TargetSubtargetInfo *STI) const override;
  49 };
  50
  51 } // end namespace llvm
  52
  53 #endif