1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/LTO/LTOBackend.cpp b/llvm/lib/LTO/LTOBackend.cpp
index 501d6284117..07053267750 100644
--- a/llvm/lib/LTO/LTOBackend.cpp
+++ b/llvm/lib/LTO/LTOBackend.cpp
@@ -103,6 +103,12 @@ Error Config::addSaveTemps(std::string OutputFileName,
     if (EC)
       reportOpenError(Path, EC.message());
     WriteIndexToFile(Index, OS);
+
+    Path = OutputFileName + "index.dot";
+    raw_fd_ostream OSDot(Path, EC, sys::fs::OpenFlags::F_None);
+    if (EC)
+      reportOpenError(Path, EC.message());
+    Index.exportToDot(OSDot);
     return true;
   };