diff --git a/llvm/utils/gn/secondary/llvm/lib/Transforms/IPO/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Transforms/IPO/BUILD.gn
index 168bb499dcffd..8a6bd84a856d7 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Transforms/IPO/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Transforms/IPO/BUILD.gn
@@ -20,6 +20,7 @@ static_library("IPO") {
   ]
   sources = [
     "AlwaysInliner.cpp",
+    "Annotation2Metadata.cpp",
     "ArgumentPromotion.cpp",
     "Attributor.cpp",
     "AttributorAttributes.cpp",