1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/tools/llvm-dwp/llvm-dwp.cpp b/llvm/tools/llvm-dwp/llvm-dwp.cpp
index 4c4f2a9..18f4f1a 100644
--- a/llvm/tools/llvm-dwp/llvm-dwp.cpp
+++ b/llvm/tools/llvm-dwp/llvm-dwp.cpp
@@ -188,8 +188,11 @@ int llvm_dwp_main(int argc, char **argv, const llvm::ToolContext &) {
                         std::make_move_iterator(DWOs->end()));
   }
 
-  if (DWOFilenames.empty())
+  if (DWOFilenames.empty()) {
+    WithColor::defaultWarningHandler(make_error<DWPError>(
+        "executable file does not contain any references to dwo files"));
     return 0;
+  }
 
   std::string ErrorStr;
   StringRef Context = "dwarf streamer init";