Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are
now cerr, cout, and NullStream resp.

llvm-svn: 32298
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 5073bde..4c0bbf4 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -7018,8 +7018,8 @@
   // If we are removing arguments to the function, emit an obnoxious warning...
   if (FT->getNumParams() < NumActualArgs)
     if (!FT->isVarArg()) {
-      llvm_cerr << "WARNING: While resolving call to function '"
-                << Callee->getName() << "' arguments were dropped!\n";
+      cerr << "WARNING: While resolving call to function '"
+           << Callee->getName() << "' arguments were dropped!\n";
     } else {
       // Add all of the arguments in their promoted form to the arg list...
       for (unsigned i = FT->getNumParams(); i != NumActualArgs; ++i, ++AI) {