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diff --git a/include/llvm/Assembly/Writer.h b/include/llvm/Assembly/Writer.h
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+++ b/include/llvm/Assembly/Writer.h
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+//===-- llvm/Assembly/Writer.h - Printer for LLVM assembly files --*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This functionality is implemented by lib/VMCore/AsmWriter.cpp.
+// This library is used to print LLVM assembly language files to an iostream. It
+// can print LLVM code at a variety of granularities, including Modules,
+// BasicBlocks, and Instructions.  This makes it useful for debugging.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ASSEMBLY_WRITER_H
+#define LLVM_ASSEMBLY_WRITER_H
+
+#include <iosfwd>
+#include <string>
+
+namespace llvm {
+
+class Type;
+class Module;
+class Value;
+class raw_ostream;
+template <typename T> class SmallVectorImpl;
+  
+/// TypePrinting - Type printing machinery.
+class TypePrinting {
+  void *TypeNames;  // A map to remember type names.
+  TypePrinting(const TypePrinting &);   // DO NOT IMPLEMENT
+  void operator=(const TypePrinting&);  // DO NOT IMPLEMENT
+public:
+  TypePrinting();
+  ~TypePrinting();
+  
+  void clear();
+  
+  void print(const Type *Ty, raw_ostream &OS, bool IgnoreTopLevelName = false);
+  
+  void printAtLeastOneLevel(const Type *Ty, raw_ostream &OS) {
+    print(Ty, OS, true);
+  }
+  
+  /// hasTypeName - Return true if the type has a name in TypeNames, false
+  /// otherwise.
+  bool hasTypeName(const Type *Ty) const;
+  
+  /// addTypeName - Add a name for the specified type if it doesn't already have
+  /// one.  This name will be printed instead of the structural version of the
+  /// type in order to make the output more concise.
+  void addTypeName(const Type *Ty, const std::string &N);
+  
+private:
+  void CalcTypeName(const Type *Ty, SmallVectorImpl<const Type *> &TypeStack,
+                    raw_ostream &OS, bool IgnoreTopLevelName = false);
+};
+
+// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
+// type, if there is an entry in the Module's symbol table for the specified
+// type or one of its component types.
+//
+void WriteTypeSymbolic(raw_ostream &, const Type *, const Module *M);
+
+// WriteAsOperand - Write the name of the specified value out to the specified
+// ostream.  This can be useful when you just want to print int %reg126, not the
+// whole instruction that generated it.  If you specify a Module for context,
+// then even constants get pretty-printed; for example, the type of a null
+// pointer is printed symbolically.
+//
+void WriteAsOperand(std::ostream &, const Value *, bool PrintTy = true,
+                    const Module *Context = 0);
+void WriteAsOperand(raw_ostream &, const Value *, bool PrintTy = true,
+                    const Module *Context = 0);
+
+} // End llvm namespace
+
+#endif