InstrProfilingRuntime.cc revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
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