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/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index 4a9675a..3c6dcad 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -416,7 +416,7 @@
 
   void visitInstruction(Instruction &I) {
     // If a new instruction is added to LLVM that we don't handle...
-    cerr << "SCCP: Don't know how to handle: " << I;
+    errs() << "SCCP: Don't know how to handle: " << I;
     markOverdefined(&I);   // Just in case
   }
 };
@@ -516,7 +516,7 @@
     return false;
   } else {
 #ifndef NDEBUG
-    cerr << "Unknown terminator instruction: " << *TI << '\n';
+    errs() << "Unknown terminator instruction: " << *TI << '\n';
 #endif
     llvm_unreachable(0);
   }