[llvm-commits] [llvm] r159491 - /llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp

[Bill Wendling]

Author: void
Date: Sat Jun 30 15:21:19 2012
New Revision: 159491

URL: http://llvm.org/viewvc/llvm-project?rev=159491&view=rev
Log:
Don't reinsert the 'atexit' function if it already exists.

Modified:
    llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp

Modified: llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp?rev=159491&r1=159490&r2=159491&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp Sat Jun 30 15:21:19 2012
@@ -687,8 +687,7 @@
 
   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();