Rename getAnalysisToUpdate to getAnalysisIfAvailable.

llvm-svn: 63198
diff --git a/llvm/lib/VMCore/PassManager.cpp b/llvm/lib/VMCore/PassManager.cpp
index 690c485..f2bfaef 100644
--- a/llvm/lib/VMCore/PassManager.cpp
+++ b/llvm/lib/VMCore/PassManager.cpp
@@ -679,7 +679,7 @@
   if (!VerifyDomInfo || !P.getResolver())
     return;
 
-  DominatorTree *DT = P.getAnalysisToUpdate<DominatorTree>();
+  DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>();
   if (!DT)
     return;
 
@@ -695,7 +695,7 @@
     assert (0 && "Invalid dominator info");
   }
 
-  DominanceFrontier *DF = P.getAnalysisToUpdate<DominanceFrontier>();
+  DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>();
   if (!DF) 
     return;
 
@@ -1088,8 +1088,8 @@
 
 //===----------------------------------------------------------------------===//
 // NOTE: Is this the right place to define this method ?
-// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist
-Pass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const {
+// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist.
+Pass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const {
   return PM.findAnalysisPass(ID, dir);
 }