Rename getAnalysisToUpdate to getAnalysisIfAvailable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index af41036..03d273d 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -112,7 +112,7 @@
 bool LoopSimplify::runOnFunction(Function &F) {
   bool Changed = false;
   LI = &getAnalysis<LoopInfo>();
-  AA = getAnalysisToUpdate<AliasAnalysis>();
+  AA = getAnalysisIfAvailable<AliasAnalysis>();
   DT = &getAnalysis<DominatorTree>();
 
   // Check to see that no blocks (other than the header) in loops have
@@ -595,6 +595,6 @@
 
   // Update dominator information
   DT->splitBlock(BEBlock);
-  if (DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>())
+  if (DominanceFrontier *DF = getAnalysisIfAvailable<DominanceFrontier>())
     DF->splitBlock(BEBlock);
 }