|  | //===- InstrProfilingRuntime.cpp - PGO runtime initialization -------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | extern "C" { | 
|  |  | 
|  | #include "InstrProfiling.h" | 
|  |  | 
|  | static int RegisterRuntime() { | 
|  | __llvm_profile_initialize(); | 
|  | #ifdef _AIX | 
|  | extern COMPILER_RT_VISIBILITY void *__llvm_profile_keep[]; | 
|  | (void)*(void *volatile *)__llvm_profile_keep; | 
|  | #endif | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* int __llvm_profile_runtime  */ | 
|  | COMPILER_RT_VISIBILITY int INSTR_PROF_PROFILE_RUNTIME_VAR = RegisterRuntime(); | 
|  | } |