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/Instrumentation/BlockProfiling.cpp b/llvm/lib/Transforms/Instrumentation/BlockProfiling.cpp
index af2928b..af438f9 100644
--- a/llvm/lib/Transforms/Instrumentation/BlockProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/BlockProfiling.cpp
@@ -47,8 +47,8 @@
 bool FunctionProfiler::runOnModule(Module &M) {
   Function *Main = M.getMainFunction();
   if (Main == 0) {
-    llvm_cerr << "WARNING: cannot insert function profiling into a module"
-              << " with no main function!\n";
+    cerr << "WARNING: cannot insert function profiling into a module"
+         << " with no main function!\n";
     return false;  // No main, no instrumentation!
   }
 
@@ -90,8 +90,8 @@
 bool BlockProfiler::runOnModule(Module &M) {
   Function *Main = M.getMainFunction();
   if (Main == 0) {
-    llvm_cerr << "WARNING: cannot insert block profiling into a module"
-              << " with no main function!\n";
+    cerr << "WARNING: cannot insert block profiling into a module"
+         << " with no main function!\n";
     return false;  // No main, no instrumentation!
   }