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/CodeGen/MachineDominators.cpp b/lib/CodeGen/MachineDominators.cpp
index 37c8601..78de02a 100644
--- a/lib/CodeGen/MachineDominators.cpp
+++ b/lib/CodeGen/MachineDominators.cpp
@@ -51,3 +51,8 @@
 void MachineDominatorTree::releaseMemory() {
   DT->releaseMemory();
 }
+
+void MachineDominatorTree::print(std::ostream &OS, const Module*) const {
+  raw_os_ostream OSS(OS);
+  DT->print(OSS);
+}