Force postdom to be linked into opt and bugpoint, even though it is no longer used by any passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index cfa1b46..3d3713b 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -42,6 +42,10 @@
   delete DT;
 }
 
+FunctionPass* llvm::createPostDomTree() {
+  return new PostDominatorTree();
+}
+
 //===----------------------------------------------------------------------===//
 //  PostDominanceFrontier Implementation
 //===----------------------------------------------------------------------===//
@@ -84,3 +88,7 @@
 
   return S;
 }
+
+FunctionPass* llvm::createPostDomFrontier() {
+  return new PostDominanceFrontier();
+}
\ No newline at end of file