diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/ARM/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/ARM/BUILD.gn
index 272da887e6ae..442bdfb2a97a 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/ARM/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/ARM/BUILD.gn
@@ -69,6 +69,7 @@ static_library("LLVMARMCodeGen") {
     "ARMBaseRegisterInfo.cpp",
     "ARMBasicBlockInfo.cpp",
     "ARMBlockPlacement.cpp",
+    "ARMBranchTargets.cpp",
     "ARMCallLowering.cpp",
     "ARMCallingConv.cpp",
     "ARMConstantIslandPass.cpp",