[ADT] Change PostOrderIterator to use NodeRef. NFC.

Reviewers: dblaikie

Subscribers: mzolotukhin, llvm-commits

Differential Revision: https://reviews.llvm.org/D23522

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278752 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 4 deletions

diff --git a/unittests/ADT/PostOrderIteratorTest.cpp b/unittests/ADT/PostOrderIteratorTest.cpp
index 1da1078c749..17b8c4d842d 100644
--- a/unittests/ADT/PostOrderIteratorTest.cpp
+++ b/unittests/ADT/PostOrderIteratorTest.cpp
@@ -21,17 +21,17 @@ TEST(PostOrderIteratorTest, Compiles) {
   // Tests that template specializations are kept up to date
   void *Null = nullptr;
   po_iterator_storage<std::set<void *>, false> PIS;
-  PIS.insertEdge(Null, Null);
+  PIS.insertEdge(Optional<void *>(), Null);
   ExtSetTy Ext;
   po_iterator_storage<ExtSetTy, true> PISExt(Ext);
-  PIS.insertEdge(Null, Null);
+  PIS.insertEdge(Optional<void *>(), Null);
 
   // Test above, but going through po_iterator (which inherits from template
   // base)
   BasicBlock *NullBB = nullptr;
   auto PI = po_end(NullBB);
-  PI.insertEdge(NullBB, NullBB);
+  PI.insertEdge(Optional<BasicBlock *>(), NullBB);
   auto PIExt = po_ext_end(NullBB, Ext);
-  PIExt.insertEdge(NullBB, NullBB);
+  PIExt.insertEdge(Optional<BasicBlock *>(), NullBB);
 }
 }