[gn build] Port 4f97780a7a55
diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/LoongArch/MCTargetDesc/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/LoongArch/MCTargetDesc/BUILD.gn
index 29aeba4..1ec5591c 100644
--- a/llvm/utils/gn/secondary/llvm/lib/Target/LoongArch/MCTargetDesc/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/LoongArch/MCTargetDesc/BUILD.gn
@@ -58,7 +58,6 @@
     "LoongArchInstPrinter.cpp",
     "LoongArchMCAsmInfo.cpp",
     "LoongArchMCCodeEmitter.cpp",
-    "LoongArchMCExpr.cpp",
     "LoongArchMCTargetDesc.cpp",
     "LoongArchMatInt.cpp",
     "LoongArchTargetStreamer.cpp",