Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- IRCompileLayer.h -- Eagerly compile IR for JIT -----------*- 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

//

//===----------------------------------------------------------------------===//

//

// Contains the definition for a basic, eagerly compiling layer of the JIT.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H

#define LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H

#include "llvm/ADT/STLExtras.h"

#include "llvm/ExecutionEngine/JITSymbol.h"

#include "llvm/ExecutionEngine/Orc/Layer.h"

#include "llvm/Support/Error.h"

#include "llvm/Support/MemoryBuffer.h"

#include <functional>

#include <memory>

#include <mutex>

namespace llvm {

class Module;

namespace orc {

class IRCompileLayer : public IRLayer {

public:

  class IRCompiler {

  public:

    IRCompiler(IRSymbolMapper::ManglingOptions MO) : MO(std::move(MO)) {}

    virtual ~IRCompiler();

    const IRSymbolMapper::ManglingOptions &getManglingOptions() const {

      return MO;

    }

    virtual Expected<std::unique_ptr<MemoryBuffer>> operator()(Module &M) = 0;

  protected:

    IRSymbolMapper::ManglingOptions &manglingOptions() { return MO; }

  private:

    IRSymbolMapper::ManglingOptions MO;

  };

  using NotifyCompiledFunction = std::function<void(

      MaterializationResponsibility &R, ThreadSafeModule TSM)>;

  IRCompileLayer(ExecutionSession &ES, ObjectLayer &BaseLayer,

                 std::unique_ptr<IRCompiler> Compile);

  IRCompiler &getCompiler() { return *Compile; }

  void setNotifyCompiled(NotifyCompiledFunction NotifyCompiled);

  void emit(std::unique_ptr<MaterializationResponsibility> R,

            ThreadSafeModule TSM) override;

private:

  mutable std::mutex IRLayerMutex;

  ObjectLayer &BaseLayer;

  std::unique_ptr<IRCompiler> Compile;

  const IRSymbolMapper::ManglingOptions *ManglingOpts;

  NotifyCompiledFunction NotifyCompiled = NotifyCompiledFunction();

};

} // end namespace orc

} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_IRCOMPILELAYER_H