[Linker] Kill Linker::LoadObject which is dead, and drop the BitReader dependency again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172838 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Linker.h

@@ -185,10 +185,6 @@ class Linker {
   /// @name Implementation
   /// @{
   private:
-    /// Read in and parse the bitcode file named by FN and return the
-    /// Module it contains (wrapped in an auto_ptr), or 0 if an error occurs.
-    std::auto_ptr<Module> LoadObject(const sys::Path& FN);
-
     bool warning(StringRef message);
     bool error(StringRef message);
     void verbose(StringRef message);

lib/Linker/LLVMBuild.txt

@@ -19,4 +19,4 @@
 type = Library
 name = Linker
 parent = Libraries
-required_libraries = BitReader Core Support TransformUtils
+required_libraries = Core Support TransformUtils

lib/Linker/Linker.cpp

@@ -89,26 +89,3 @@ Linker::releaseModule() {
   Flags = 0;
   return result;
 }
-
-// LoadObject - Read in and parse the bitcode file named by FN and return the
-// module it contains (wrapped in an auto_ptr), or auto_ptr<Module>() and set
-// Error if an error occurs.
-std::auto_ptr<Module>
-Linker::LoadObject(const sys::Path &FN) {
-  std::string ParseErrorMessage;
-  Module *Result = 0;
-
-  OwningPtr<MemoryBuffer> Buffer;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(FN.c_str(), Buffer))
-    ParseErrorMessage = "Error reading file '" + FN.str() + "'" + ": "
-                      + ec.message();
-  else
-    Result = ParseBitcodeFile(Buffer.get(), Context, &ParseErrorMessage);
-
-  if (Result)
-    return std::auto_ptr<Module>(Result);
-  Error = "Bitcode file '" + FN.str() + "' could not be loaded";
-  if (ParseErrorMessage.size())
-    Error += ": " + ParseErrorMessage;
-  return std::auto_ptr<Module>();
-}