1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Bytecode/Reader/Reader.h b/lib/Bytecode/Reader/Reader.h
index 5fec59e378..4593e2acc4 100644
--- a/lib/Bytecode/Reader/Reader.h
+++ b/lib/Bytecode/Reader/Reader.h
@@ -140,12 +140,16 @@ public:
 /// @name Methods
 /// @{
 public:
+    
+  typedef size_t Decompressor_t(const char *, size_t, char*&, std::string*);
+  
   /// @returns true if an error occurred
   /// @brief Main interface to parsing a bytecode buffer.
   bool ParseBytecode(
      volatile BufPtr Buf,         ///< Beginning of the bytecode buffer
      unsigned Length,             ///< Length of the bytecode buffer
      const std::string &ModuleID, ///< An identifier for the module constructed.
+     Decompressor_t *Decompressor = 0, ///< Optional decompressor.
      std::string* ErrMsg = 0      ///< Optional place for error message 
   );