25 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9extern "C" {10 11#include "InstrProfiling.h"12 13static int RegisterRuntime() {14 __llvm_profile_initialize();15#ifdef _AIX16 extern COMPILER_RT_VISIBILITY void *__llvm_profile_keep[];17 (void)*(void *volatile *)__llvm_profile_keep;18#endif19 return 0;20}21 22/* int __llvm_profile_runtime */23COMPILER_RT_VISIBILITY int INSTR_PROF_PROFILE_RUNTIME_VAR = RegisterRuntime();24}25