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 b27a460dfba01c..043a672a76e1e3 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
@@ -59,6 +59,7 @@ static_library("LLVMPowerPCCodeGen") {
     "PPCMIPeephole.cpp",
     "PPCMachineFunctionInfo.cpp",
     "PPCMachineScheduler.cpp",
+    "PPCMacroFusion.cpp",
     "PPCPreEmitPeephole.cpp",
     "PPCQPXLoadSplat.cpp",
     "PPCReduceCRLogicals.cpp",