diff --git a/llvm/utils/gn/secondary/llvm/tools/llvm-reduce/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-reduce/BUILD.gn
index 4bc33daa9e609..16d58c680a6df 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-reduce/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-reduce/BUILD.gn
@@ -20,6 +20,7 @@ executable("llvm-reduce") {
     "deltas/ReduceArguments.cpp",
     "deltas/ReduceAttributes.cpp",
     "deltas/ReduceBasicBlocks.cpp",
+    "deltas/ReduceDIMetadata.cpp",
     "deltas/ReduceFunctionBodies.cpp",
     "deltas/ReduceFunctions.cpp",
     "deltas/ReduceGlobalObjects.cpp",