From c1b6ea7b6ce3a738accbacddf52480bf94354d2f Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Sat, 30 Jun 2012 20:21:19 +0000 Subject: [PATCH] Don't reinsert the 'atexit' function if it already exists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159491 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Instrumentation/GCOVProfiling.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/lib/Transforms/Instrumentation/GCOVProfiling.cpp index dda92b18825..264a6a61536 100644 --- a/lib/Transforms/Instrumentation/GCOVProfiling.cpp +++ b/lib/Transforms/Instrumentation/GCOVProfiling.cpp @@ -687,8 +687,7 @@ void GCOVProfiler::insertCounterWriteout( FTy = FunctionType::get(Type::getInt32Ty(*Ctx), PointerType::get(FTy, 0), false); - Function *AtExitFn = - Function::Create(FTy, GlobalValue::ExternalLinkage, "atexit", M); + Constant *AtExitFn = M->getOrInsertFunction("atexit", FTy); Builder.CreateCall(AtExitFn, WriteoutF); Builder.CreateRetVoid(); -- 2.34.1