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 14COMPILER_RT_VISIBILITY int __llvm_profile_runtime; 15} 16 17namespace { 18 19class RegisterRuntime { 20public: 21 RegisterRuntime() { 22 __llvm_profile_register_write_file_atexit(); 23 __llvm_profile_initialize_file(); 24 } 25}; 26 27RegisterRuntime Registration; 28 29} 30