diff --git a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
index d35e269115cac..ee2540124a23f 100644
--- a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
@@ -75,6 +75,7 @@ static_library("CodeGen") {
     "FaultMaps.cpp",
     "FinalizeISel.cpp",
     "FixupStatepointCallerSaved.cpp",
+    "FreeMachineFunction.cpp",
     "FuncletLayout.cpp",
     "GCEmptyBasicBlocks.cpp",
     "GCMetadata.cpp",