eliminate the std::ostream form of WriteAsOperand and update clients.
This also updates dominator related stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79825 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index 4853c2a..69522e8 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -33,15 +33,20 @@
 
 bool PostDominatorTree::runOnFunction(Function &F) {
   DT->recalculate(F);
-  DEBUG(DT->dump());
+  DEBUG(DT->print(errs()));
   return false;
 }
 
-PostDominatorTree::~PostDominatorTree()
-{
+PostDominatorTree::~PostDominatorTree() {
   delete DT;
 }
 
+void PostDominatorTree::print(std::ostream &OS, const Module *) const {
+  raw_os_ostream OSS(OS);
+  DT->print(OSS);
+}
+
+
 FunctionPass* llvm::createPostDomTree() {
   return new PostDominatorTree();
 }