llvm/lib/Target/ARC/ARCTargetMachine.h

   1 //===- ARCTargetMachine.h - Define TargetMachine for ARC --------*- 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 ARC specific subclass of TargetMachine.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H
  14 #define LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H
  15
  16 #include "ARCSubtarget.h"
  17 #include "llvm/Target/TargetMachine.h"
  18 #include <optional>
  19
  20 namespace llvm {
  21
  22 class TargetPassConfig;
  23
  24 class ARCTargetMachine : public LLVMTargetMachine {
  25   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  26   ARCSubtarget Subtarget;
  27
  28 public:
  29   ARCTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  30                    StringRef FS, const TargetOptions &Options,
  31                    std::optional<Reloc::Model> RM,
  32                    std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
  33                    bool JIT);
  34   ~ARCTargetMachine() override;
  35
  36   const ARCSubtarget *getSubtargetImpl() const { return &Subtarget; }
  37   const ARCSubtarget *getSubtargetImpl(const Function &) const override {
  38     return &Subtarget;
  39   }
  40
  41   // Pass Pipeline Configuration
  42   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  43
  44   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
  45   TargetLoweringObjectFile *getObjFileLowering() const override {
  46     return TLOF.get();
  47   }
  48
  49   MachineFunctionInfo *
  50   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
  51                             const TargetSubtargetInfo *STI) const override;
  52 };
  53
  54 } // end namespace llvm
  55
  56 #endif // LLVM_LIB_TARGET_ARC_ARCTARGETMACHINE_H