1//===- InstrProfilingRuntime.cpp - PGO runtime initialization -------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9extern "C" { 10 11#include "InstrProfiling.h" 12 13/* int __llvm_profile_runtime */ 14COMPILER_RT_VISIBILITY int INSTR_PROF_PROFILE_RUNTIME_VAR; 15} 16 17namespace { 18 19class RegisterRuntime { 20public: 21 RegisterRuntime() { 22 __llvm_profile_initialize_file(); 23 if (!__llvm_profile_is_continuous_mode_enabled()) 24 __llvm_profile_register_write_file_atexit(); 25 } 26}; 27 28RegisterRuntime Registration; 29 30} 31