Give the unified exit node a name


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2550 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
index e6f65a8..64ae2e3 100644
--- a/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
+++ b/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
@@ -49,7 +49,7 @@
 
   if (M->getReturnType() != Type::VoidTy) {
     // If the function doesn't return void... add a PHI node to the block...
-    PHINode *PN = new PHINode(M->getReturnType());
+    PHINode *PN = new PHINode(M->getReturnType(), "UnifiedRetVal");
     NewRetBlock->getInstList().push_back(PN);
 
     // Add an incoming element to the PHI node for every return instruction that