diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/BPF/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/BPF/BUILD.gn
index d3a9b728b48c..e1fcc140c6ef 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/BPF/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/BPF/BUILD.gn
@@ -60,6 +60,7 @@ static_library("LLVMBPFCodeGen") {
   include_dirs = [ "." ]
   sources = [
     "BPFAbstractMemberAccess.cpp",
+    "BPFAdjustOpt.cpp",
     "BPFAsmPrinter.cpp",
     "BPFCheckAndAdjustIR.cpp",
     "BPFFrameLowering.cpp",