Start writing lto-bugpoint tool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53774 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/lto-bugpoint/LTOBugPoint.cpp b/tools/lto-bugpoint/LTOBugPoint.cpp
new file mode 100644
index 0000000..83ed134
--- /dev/null
+++ b/tools/lto-bugpoint/LTOBugPoint.cpp
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+//===- LTOBugPoint.cpp - Top-Level LTO BugPoint class ---------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class contains all of the shared state and information that is used by
+// the LTO BugPoint tool to track down bit code files that cause errors.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LTOBugPoint.h"
+
+LTOBugPoint::LTOBugPoint(std::istream &args, std::istream &ins) {
+
+  // Read linker options. Order is important here.
+  std::string option;
+  while (getline(args, option))
+    LinkerOptions.push_back(option);
+  
+  // Read linker input files. Order is important here.
+  std::string inFile;
+  while(getline(ins, inFile))
+    LinkerInputFiles.push_back(inFile);
+}