diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
index 2065d0e25ab7e..51c78d26f1db5 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
@@ -54,6 +54,7 @@ static_library("LLVMPowerPCCodeGen") {
     "PPCISelLowering.cpp",
     "PPCInstrInfo.cpp",
     "PPCLoopPreIncPrep.cpp",
+    "PPCLowerMASSVEntries.cpp",
     "PPCMCInstLower.cpp",
     "PPCMIPeephole.cpp",
     "PPCMachineFunctionInfo.cpp",