- Cleaned up the interface to AnalysisUsage to take analysis class names

instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3265 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/ADCE.cpp

@@ -55,8 +55,8 @@ public:
   // getAnalysisUsage - We require post dominance frontiers (aka Control
   // Dependence Graph)
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-    AU.addRequired(PostDominatorTree::ID);
-    AU.addRequired(PostDominanceFrontier::ID);
+    AU.addRequired<PostDominatorTree>();
+    AU.addRequired<PostDominanceFrontier>();
   }