LanaiTargetMachine.h

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//===-- LanaiTargetMachine.h - Define TargetMachine for Lanai --- C++ ---===//
//
// 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 Lanai specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H
#define LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H
 
#include "LanaiISelLowering.h"
#include "LanaiInstrInfo.h"
#include "LanaiSelectionDAGInfo.h"
#include "LanaiSubtarget.h"
#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
#include <optional>
 
namespace llvm {
 
class LanaiTargetMachine : public CodeGenTargetMachineImpl {
  LanaiSubtarget Subtarget;
  std::unique_ptr<TargetLoweringObjectFile> TLOF;
 
public:
  LanaiTargetMachine(const Target &TheTarget, const Triple &TargetTriple,
                     StringRef Cpu, StringRef FeatureString,
                     const TargetOptions &Options,
                     std::optional<Reloc::Model> RM,
                     std::optional<CodeModel::Model> CodeModel,
                     CodeGenOptLevel OptLevel, bool JIT);
 
  const LanaiSubtarget *
  getSubtargetImpl(const llvm::Function & /*Fn*/) const override {
    return &Subtarget;
  }
 
  TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
 
  // Pass Pipeline Configuration
  TargetPassConfig *createPassConfig(PassManagerBase &pass_manager) override;
 
  TargetLoweringObjectFile *getObjFileLowering() const override {
    return TLOF.get();
  }
 
  MachineFunctionInfo *
  createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
                            const TargetSubtargetInfo *STI) const override;
 
  void registerPassBuilderCallbacks(PassBuilder &PB) override;
 
  Error buildCodeGenPipeline(ModulePassManager &MPM, ModuleAnalysisManager &MAM,
                             raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut,
                             CodeGenFileType FileType,
                             const CGPassBuilderOption &Opt, MCContext &Ctx,
                             PassInstrumentationCallbacks *PIC) override;
};
} // namespace llvm
 
#endif // LLVM_LIB_TARGET_LANAI_LANAITARGETMACHINE_H