diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn
index 63f9d6ff7a591..ee6dc0a046b9b 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn
@@ -85,6 +85,7 @@ static_library("LLVMRISCVCodeGen") {
     "RISCVMergeBaseOffset.cpp",
     "RISCVMoveMerger.cpp",
     "RISCVOptWInstrs.cpp",
+    "RISCVPushPopOptimizer.cpp",
     "RISCVRVVInitUndef.cpp",
     "RISCVRedundantCopyElimination.cpp",
     "RISCVRegisterInfo.cpp",