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 d4612dfb94fd7a..4f0c1d84005217 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/RISCV/BUILD.gn
@@ -75,6 +75,7 @@ static_library("LLVMRISCVCodeGen") {
     "RISCVLegalizerInfo.cpp",
     "RISCVMCInstLower.cpp",
     "RISCVMergeBaseOffset.cpp",
+    "RISCVRedundantCopyElimination.cpp",
     "RISCVRegisterBankInfo.cpp",
     "RISCVRegisterInfo.cpp",
     "RISCVSExtWRemoval.cpp",