llvm/lib/Target/Xtensa/XtensaTargetMachine.h

   1 //===-- XtensaTargetMachine.h - Define TargetMachine for Xtensa -*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   6 // See https://llvm.org/LICENSE.txt for license information.
   7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file declares the Xtensa specific subclass of TargetMachine.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
  16 #define LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
  17
  18 #include "XtensaSubtarget.h"
  19 #include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
  20 #include <optional>
  21
  22 namespace llvm {
  23 extern Target TheXtensaTarget;
  24
  25 class XtensaTargetMachine : public CodeGenTargetMachineImpl {
  26   std::unique_ptr<TargetLoweringObjectFile> TLOF;
  27 public:
  28   XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  29                       StringRef FS, const TargetOptions &Options,
  30                       std::optional<Reloc::Model> RM,
  31                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
  32                       bool JIT, bool isLittle);
  33
  34   XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
  35                       StringRef FS, const TargetOptions &Options,
  36                       std::optional<Reloc::Model> RM,
  37                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
  38                       bool JIT);
  39
  40   const XtensaSubtarget *getSubtargetImpl(const Function &F) const override;
  41
  42   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  43
  44   TargetLoweringObjectFile *getObjFileLowering() const override {
  45     return TLOF.get();
  46   }
  47
  48   MachineFunctionInfo *
  49   createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
  50                             const TargetSubtargetInfo *STI) const override;
  51
  52 protected:
  53   mutable StringMap<std::unique_ptr<XtensaSubtarget>> SubtargetMap;
  54 };
  55 } // end namespace llvm
  56
  57 #endif // LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H