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#pragma once 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic push 
#pragma GCC diagnostic ignored "-Wunused-parameter" 
#endif 
 
//===-- llvm/Support/thread.h - Wrapper for <thread> ------------*- 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 header is a wrapper for <thread> that works around problems with the 
// MSVC headers when exceptions are disabled. It also provides llvm::thread, 
// which is either a typedef of std::thread or a replacement that calls the 
// function synchronously depending on the value of LLVM_ENABLE_THREADS. 
// 
//===----------------------------------------------------------------------===// 
 
#ifndef LLVM_SUPPORT_THREAD_H 
#define LLVM_SUPPORT_THREAD_H 
 
#include "llvm/Config/llvm-config.h" 
 
#if LLVM_ENABLE_THREADS 
 
#include <thread> 
 
namespace llvm { 
typedef std::thread thread; 
} 
 
#else // !LLVM_ENABLE_THREADS 
 
#include <utility> 
 
namespace llvm { 
 
struct thread { 
  thread() {} 
  thread(thread &&other) {} 
  template <class Function, class... Args> 
  explicit thread(Function &&f, Args &&... args) { 
    f(std::forward<Args>(args)...); 
  } 
  thread(const thread &) = delete; 
 
  void join() {} 
  static unsigned hardware_concurrency() { return 1; }; 
}; 
 
} 
 
#endif // LLVM_ENABLE_THREADS 
 
#endif 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic pop 
#endif