diff --git a/0021-fix-loongarch64-test-error-in-r600-encoding.patch b/0021-fix-loongarch64-test-error-in-r600-encoding.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c2005315322de63edf6ec46fa7788100c45dd253
--- /dev/null
+++ b/0021-fix-loongarch64-test-error-in-r600-encoding.patch
@@ -0,0 +1,13 @@
+diff -Naur a/llvm-17.0.6.src/test/CodeGen/AMDGPU/r600-encoding.ll b/llvm-17.0.6.src/test/CodeGen/AMDGPU/r600-encoding.ll
+--- a/llvm-17.0.6.src/test/CodeGen/AMDGPU/r600-encoding.ll      2024-05-28 10:17:20.890401370 +0800
++++ b/llvm-17.0.6.src/test/CodeGen/AMDGPU/r600-encoding.ll      2024-05-28 10:21:01.746401370 +0800
+@@ -8,7 +8,7 @@
+ ; EG: MUL_IEEE {{[ *TXYZWPVxyzw.,0-9]+}} ; encoding: [{{0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x10,0x01,0x[0-9a-f]+,0x[0-9a-f]+}}]
+
+ ; R600: {{^}}test:
+-; R600: MUL_IEEE {{[ *TXYZWPVxyzw.,0-9]+}} ; encoding: [{{0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x10,0x02,0x[0-9a-f]+,0x[0-9a-f]+}}]
++; R600: MUL_IEEE {{[ *TXYZWPVxyzw.,0-9]+}} ; encoding: [{{0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x[0-9a-f]+,0x21,0x02,0x[0-9a-f]+,0x[0-9a-f]+}}]
+
+ define amdgpu_ps void @test(<4 x float> inreg %reg0) {
+ entry:
+
diff --git a/llvm.spec b/llvm.spec
index 73dfde2c5fbed50e3121db8807f151f54887da05..9c48a1d3563e5bcbc21db29f8767535aca4d8a71 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -38,7 +38,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	10
+Release:	11
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -69,6 +69,7 @@ Patch17:	0017-Add-the-support-for-classic-flang.patch
 Patch18:	0018-Fix-declaration-definition-mismatch-for-classic-flang.patch
 Patch19: 	0019-Backport-LoongArch-Improve-the-support-for-atomic-and-clear_cache.patch
 Patch20: 	0020-Update-llvm-lit-config-to-support-build_for_openeule.patch
+Patch21:        0021-fix-loongarch64-test-error-in-r600-encoding.patch
 
 BuildRequires:	binutils-devel
 BuildRequires:	cmake
@@ -171,7 +172,29 @@ mv cmake-%{version}.src cmake
 cd ..
 mv third-party-%{version}.src third-party
 %setup -T -q -b 0 -n llvm-%{version}.src
-%autopatch -p2
+%patch1 -p2
+%patch2 -p2
+%patch3 -p2
+%patch4 -p2
+%patch5 -p2
+%patch6 -p2
+%patch7 -p2
+%patch8 -p2
+%patch9 -p2
+%patch10 -p2
+%patch11 -p2
+%patch12 -p2
+%patch13 -p2
+%patch14 -p2
+%patch15 -p2
+%patch16 -p2
+%patch17 -p2
+%patch18 -p2
+%patch19 -p2
+%patch20 -p2
+%ifarch loongarch64
+%patch21 -p2
+%endif 
 
 pathfix.py -i %{__python3} -pn \
 	test/BugPoint/compile-custom.ll.py \
@@ -353,6 +376,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir}  %{__ninja} check-all -C ./_build
 %{install_includedir}/llvm-gmock
 
 %changelog
+* Sun Jun 9 2024 zhangxianjun <zhangxianjun@kylinos.cn> - 17.0.6-11
+- fix loongarch64 test error:r600-encoding-ll
+
 * Mon Apr 29 2024 wangqiang <wangqiang1@kylinos.cn> - 17.0.6-10
 - Update llvm-lit config to support macro `build_for_openeuler`