Rename getAnalysisToUpdate to getAnalysisIfAvailable.

llvm-svn: 63198
diff --git a/llvm/lib/Transforms/Utils/CloneLoop.cpp b/llvm/lib/Transforms/Utils/CloneLoop.cpp
index d52d795..a0306ff 100644
--- a/llvm/lib/Transforms/Utils/CloneLoop.cpp
+++ b/llvm/lib/Transforms/Utils/CloneLoop.cpp
@@ -79,8 +79,8 @@
   DominatorTree *DT = NULL;
   DominanceFrontier *DF = NULL;
   if (P) {
-    DT = P->getAnalysisToUpdate<DominatorTree>();
-    DF = P->getAnalysisToUpdate<DominanceFrontier>();
+    DT = P->getAnalysisIfAvailable<DominatorTree>();
+    DF = P->getAnalysisIfAvailable<DominanceFrontier>();
   }
 
   SmallVector<BasicBlock *, 16> NewBlocks;