eliminate the "Value" printing methods that print to a std::ostream.
This required converting a bunch of stuff off DOUT and other cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/TailDuplication.cpp b/lib/Transforms/Scalar/TailDuplication.cpp
index 5e54a69..4bd9436 100644
--- a/lib/Transforms/Scalar/TailDuplication.cpp
+++ b/lib/Transforms/Scalar/TailDuplication.cpp
@@ -273,7 +273,7 @@
           // Remove from DestBlock, move right before the term in DomBlock.
           DestBlock->getInstList().remove(I);
           DomBlock->getInstList().insert(DomBlock->getTerminator(), I);
-          DOUT << "Hoisted: " << *I;
+          DEBUG(errs() << "Hoisted: " << *I);
         }
       }
     }