diff --git a/llvm.spec b/llvm.spec
index f4aa4e73a5bdcef13ced455ff88d1c3fb0005468..2911ef6232af2b4cf4e52c7eaf283ee37253e6d6 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -1,6 +1,6 @@
 Name:		llvm
 Version:	12.0.1
-Release:        3
+Release:        4
 Summary:	The Low Level Virtual Machine
 License:	NCSA
 URL:		http://llvm.org
@@ -86,6 +86,9 @@ cd _build
 %ifarch %{arm}
 	-DLLVM_TARGETS_TO_BUILD="ARM;AMDGPU;BPF" \
 %endif
+%ifarch loongarch64
+	-DLLVM_TARGETS_TO_BUILD="LoongArch;AMDGPU;BPF" \
+%endif
 %endif
 	-DLLVM_TARGETS_TO_BUILD=all \
 	-DLLVM_ENABLE_LIBCXX:BOOL=OFF \
@@ -198,6 +201,12 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Wed Mar 15 2023 wangqiang <wangqiang1@kylinos.cn> - 12.0.1-4
+- Type: enhancement
+- ID: NA
+- SUG: NA
+- DESC: Enable LoongArch backend.
+
 * Thu Sep 22 2022 wanglei <wanglei@loongson.cn> - 12.0.1-3
 - Type: enhancement
 - ID: NA