--- /dev/null
+//===- llvm/Support/Streams.h - Wrappers for iostreams ----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements a wrapper for the std::cout and std::cerr I/O streams.
+// It prevents the need to include <iostream> to each file just to get I/O.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_STREAMS_H
+#define LLVM_SUPPORT_STREAMS_H
+
+#include <ostream> // Doesn't have static d'tors!!
+
+namespace llvm {
+
+ /// llvm_ostream - Acts like an ostream. It's a wrapper for the std::cerr and
+ /// std::cout ostreams. However, it doesn't require #including <iostream> in
+ /// every file, which increases static c'tors & d'tors in the object code.
+ ///
+ class llvm_ostream {
+ std::ostream* Stream;
+ public:
+ llvm_ostream() : Stream(0) {}
+ llvm_ostream(std::ostream &OStream) : Stream(&OStream) {}
+
+ template <typename Ty>
+ llvm_ostream &operator << (const Ty &Thing) {
+ if (Stream) *Stream << Thing;
+ return *this;
+ }
+
+ bool operator == (const std::ostream &OS) { return &OS == Stream; }
+ };
+
+ extern llvm_ostream llvm_null;
+ extern llvm_ostream llvm_cout;
+ extern llvm_ostream llvm_cerr;
+
+} // End llvm namespace
+
+#endif
--- /dev/null
+//===-- Streams.cpp - Wrappers for iostreams ------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements a wrapper for the std::cout and std::cerr I/O streams.
+// It prevents the need to include <iostream> to each file just to get I/O.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Streams.h"
+#include <iostream>
+using namespace llvm;
+
+llvm_ostream llvm::llvm_null;
+llvm_ostream llvm::llvm_cout(std::cout);
+llvm_ostream llvm::llvm_cerr(std::cerr);