Introduce DominanceFrontierAnalysis to the new PassManager to compute DominanceFrontier. NFC

Differential Revision: http://reviews.llvm.org/D17570

llvm-svn: 261903
diff --git a/llvm/lib/CodeGen/MachineFunctionPass.cpp b/llvm/lib/CodeGen/MachineFunctionPass.cpp
index 05463fc..5ca41be 100644
--- a/llvm/lib/CodeGen/MachineFunctionPass.cpp
+++ b/llvm/lib/CodeGen/MachineFunctionPass.cpp
@@ -53,7 +53,7 @@
   // because CodeGen overloads that to mean preserving the MachineBasicBlock
   // CFG in addition to the LLVM IR CFG.
   AU.addPreserved<BasicAAWrapperPass>();
-  AU.addPreserved<DominanceFrontier>();
+  AU.addPreserved<DominanceFrontierWrapperPass>();
   AU.addPreserved<DominatorTreeWrapperPass>();
   AU.addPreserved<AAResultsWrapperPass>();
   AU.addPreserved<GlobalsAAWrapperPass>();