[gn build] Port 1adeeabb79a

diff --git a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
index 1902180..38b32cf 100644 (file)
--- a/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn
@@ -97,6 +97,7 @@ static_library("CodeGen") {
     "MachineCSE.cpp",
     "MachineCombiner.cpp",
     "MachineCopyPropagation.cpp",
+    "MachineDebugify.cpp",
     "MachineDominanceFrontier.cpp",
     "MachineDominators.cpp",
     "MachineFrameInfo.cpp",