diff --git a/llvm-12.0.1.src.tar.xz b/llvm-15-init.src.tar.gz
similarity index 54%
rename from llvm-12.0.1.src.tar.xz
rename to llvm-15-init.src.tar.gz
index df971f7be1c5fe1b323a3692a92ba695a6ed326b..39a2196be733812d5c6a7fd54d6249bf212300c7 100644
Binary files a/llvm-12.0.1.src.tar.xz and b/llvm-15-init.src.tar.gz differ
diff --git a/llvm.spec b/llvm.spec
index f9e4518d88f78a3a420f90dc5698a37894deccf7..9ccacfa0e445558d7b1a67d09dd092bf3285dcdd 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -1,10 +1,10 @@
 Name:		llvm
-Version:	12.0.1
-Release:        2
+Version:	15.init
+Release:	1
 Summary:	The Low Level Virtual Machine
 License:	NCSA
 URL:		http://llvm.org
-Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/%{name}-%{version}.src.tar.xz
+Source0:	https://github.com/llvm/llvm-project/tags/download/llvmorg-%{version}/%{name}-%{version}.src.tar.xz
 
 BuildRequires:  gcc gcc-c++ cmake ninja-build zlib-devel libffi-devel ncurses-devel libstdc++-static
 BuildRequires:	python3-sphinx binutils-devel valgrind-devel libedit-devel python3-devel
@@ -85,13 +85,11 @@ cd _build
 	-DLLVM_TARGETS_TO_BUILD="ARM;AMDGPU;BPF" \
 %endif
 %endif
-	-DLLVM_TARGETS_TO_BUILD=all \
 	-DLLVM_ENABLE_LIBCXX:BOOL=OFF \
 	-DLLVM_ENABLE_ZLIB:BOOL=ON \
 	-DLLVM_ENABLE_FFI:BOOL=ON \
 	-DLLVM_ENABLE_RTTI:BOOL=ON \
 	-DLLVM_BINUTILS_INCDIR=%{_includedir} \
-	-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR \
 	-DLLVM_BUILD_RUNTIME:BOOL=ON \
 	-DLLVM_INCLUDE_TOOLS:BOOL=ON \
 	-DLLVM_BUILD_TOOLS:BOOL=ON \
@@ -200,6 +198,12 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Thu Jul 14 2022 wangqiang <wangqiang1@kylinos.cn> - 15.init-1
+- Type: enhancement
+- ID: NA
+- SUG: NA
+- DESC: Update to llvm-15-init
+
 * Tue Feb 8 2022 zhangweiguo <zhangweiguo2@huawei.com> - 12.0.1-2
 - Type: enhancement
 - ID: NA