InsertValue and ExtractValue constant expressions are always

[oota-llvm.git] / include / llvm / Bitcode / ReaderWriter.h

diff --git a/include/llvm/Bitcode/ReaderWriter.h b/include/llvm/Bitcode/ReaderWriter.h
index 0522f1bb28eff42b1b08870b9dce7a98f3e933e9..8cfa693772e4c97ee0be99089686562e03058a85 100644 (file)
--- a/include/llvm/Bitcode/ReaderWriter.h
+++ b/include/llvm/Bitcode/ReaderWriter.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Chris Lattner and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -20,19 +20,29 @@
 namespace llvm {
   class Module;
   class ModuleProvider;
+  class MemoryBuffer;
+  class ModulePass;
   
-  ModuleProvider *getBitcodeModuleProvider(const std::string &Filename,
+  /// getBitcodeModuleProvider - Read the header of the specified bitcode buffer
+  /// and prepare for lazy deserialization of function bodies.  If successful,
+  /// this takes ownership of 'buffer' and returns a non-null pointer.  On
+  /// error, this returns null, *does not* take ownership of Buffer, and fills
+  /// in *ErrMsg with an error description if ErrMsg is non-null.
+  ModuleProvider *getBitcodeModuleProvider(MemoryBuffer *Buffer,
                                            std::string *ErrMsg = 0);
 
-  
   /// ParseBitcodeFile - Read the specified bitcode file, returning the module.
-  /// If an error occurs, return null and fill in *ErrMsg if non-null.
-  Module *ParseBitcodeFile(const std::string &Filename,
-                           std::string *ErrMsg = 0);
+  /// If an error occurs, this returns null and fills in *ErrMsg if it is
+  /// non-null.  This method *never* takes ownership of Buffer.
+  Module *ParseBitcodeFile(MemoryBuffer *Buffer, std::string *ErrMsg = 0);
   
   /// WriteBitcodeToFile - Write the specified module to the specified output
   /// stream.
   void WriteBitcodeToFile(const Module *M, std::ostream &Out);
+  
+  /// CreateBitcodeWriterPass - Create and return a pass that writes the module
+  /// to the specified ostream.
+  ModulePass *CreateBitcodeWriterPass(std::ostream &Str);
 } // End llvm namespace
 
 #endif