1//===- InstrProfilingRuntime.cpp - PGO runtime initialization -------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10extern "C" { 11 12#include "InstrProfiling.h" 13 14__attribute__((visibility("hidden"))) int __llvm_profile_runtime; 15 16} 17 18namespace { 19 20class RegisterRuntime { 21public: 22 RegisterRuntime() { 23 __llvm_profile_register_write_file_atexit(); 24 __llvm_profile_initialize_file(); 25 } 26}; 27 28RegisterRuntime Registration; 29 30} 31