Add a special case for main because we know it's incoming arguments don't alias

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5511 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 5a5f2177c6a28897035203cc5dd0229b3b1791bc..bf487d85d76c5d5b9f03810ef370a70d4487435d 100644 (file)
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -752,7 +752,7 @@ static void markIncomplete(DSCallSite &Call) {
 //
 void DSGraph::markIncompleteNodes(unsigned Flags) {
   // Mark any incoming arguments as incomplete...
-  if ((Flags & DSGraph::MarkFormalArgs) && Func)
+  if ((Flags & DSGraph::MarkFormalArgs) && Func && Func->getName() != "main")
     for (Function::aiterator I = Func->abegin(), E = Func->aend(); I != E; ++I)
       if (isPointerType(I->getType()) && ScalarMap.find(I) != ScalarMap.end())
         markIncompleteNode(ScalarMap[I].getNode());