llvm/llvm/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h

//===----------- ThreadSafeModule.h -- Layer interfaces ---------*- 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
//
//===----------------------------------------------------------------------===//
//
// Thread safe wrappers and utilities for Module and LLVMContext.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_THREADSAFEMODULE_H
#define LLVM_EXECUTIONENGINE_ORC_THREADSAFEMODULE_H

#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/Compiler.h"

#include <functional>
#include <memory>
#include <mutex>

namespace llvm {
namespace orc {

/// An LLVMContext together with an associated mutex that can be used to lock
/// the context to prevent concurrent access by other threads.
class ThreadSafeContext { … };

/// An LLVM Module together with a shared ThreadSafeContext.
class ThreadSafeModule { … };

GVPredicate;
GVModifier;

/// Clones the given module on to a new context.
ThreadSafeModule
cloneToNewContext(const ThreadSafeModule &TSMW,
                  GVPredicate ShouldCloneDef = GVPredicate(),
                  GVModifier UpdateClonedDefSource = GVModifier());

} // End namespace orc
} // End namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_THREADSAFEMODULE_H