Copy Bitwriter to generate PNaClBitwriter.

include/llvm/Bitcode/PNaCl/PNaClReaderWriter.h

Index: include/llvm/Bitcode/PNaCl/PNaClReaderWriter.h
diff --git a/include/llvm/Bitcode/PNaCl/PNaClReaderWriter.h b/include/llvm/Bitcode/PNaCl/PNaClReaderWriter.h
new file mode 100644
index 0000000000000000000000000000000000000000..7642a2a932e92b2a03fdb2117b5f01fef88b1ddd
--- /dev/null
+++ b/include/llvm/Bitcode/PNaCl/PNaClReaderWriter.h
@@ -0,0 +1,28 @@
+//===-- llvm/Bitcode/PNaCl/PNaClReaderWriter.h - Bitcode reader/writers ----*- C++ -*-===//

[Karl, 2013/04/24 18:25:59]

Shortened line length.

+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header defines interfaces to read and write LLVM bitcode files/streams.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_BITCODE_PNACLREADERWRITER_H
+#define LLVM_BITCODE_PNACLREADERWRITER_H
+
+namespace llvm {
+  class Module;
+  class raw_ostream;
+
+  /// PNaClWriteBitcodeToFile - Write the specified module to the
+  /// specified raw output stream, using PNaCl wire format.  For
+  /// streams where it matters, the given stream should be in "binary"
+  /// mode.
+  void PNaClWriteBitcodeToFile(const Module *M, raw_ostream &Out);
+
+} // end llvm namespace
+#endif