XtensaTargetMachine.h

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//===-- XtensaTargetMachine.h - Define TargetMachine for Xtensa -*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the Xtensa specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
#define LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
 
#include "XtensaSubtarget.h"
#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
#include <optional>
 
namespace llvm {
extern Target TheXtensaTarget;
 
class XtensaTargetMachine : public CodeGenTargetMachineImpl {
  std::unique_ptr<TargetLoweringObjectFile> TLOF;
public:
  XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
                      StringRef FS, const TargetOptions &Options,
                      std::optional<Reloc::Model> RM,
                      std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
                      bool JIT, bool isLittle);
 
  XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
                      StringRef FS, const TargetOptions &Options,
                      std::optional<Reloc::Model> RM,
                      std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
                      bool JIT);
 
  const XtensaSubtarget *getSubtargetImpl(const Function &F) const override;
 
  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
 
  TargetLoweringObjectFile *getObjFileLowering() const override {
    return TLOF.get();
  }
 
  MachineFunctionInfo *
  createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
                            const TargetSubtargetInfo *STI) const override;
 
protected:
  mutable StringMap<std::unique_ptr<XtensaSubtarget>> SubtargetMap;
};
} // end namespace llvm
 
#endif // LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H