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