diff --git a/llvm-build/llvm_prebuilts.sh b/llvm-build/llvm_prebuilts.sh
new file mode 100644
index 0000000000000000000000000000000000000000..5533ac0008968dfc9b33c5511e041c58906834f3
--- /dev/null
+++ b/llvm-build/llvm_prebuilts.sh
@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+# NOTE: it is expected, that OHOS SDK is present on the build machine and git is installed
+#./llvm_prebuilts.sh --build-dir=/home/w30067751/eyan/build --sdk-native=/srv/workspace/llvm_6bf60d9aa/command-line-tools/sdk/default/openharmony/native
+set -eu
+
+function usage() {
+cat << EOF
+    ${0} --build-dir=<path_to_build_dir> --sdk-native=<path_to_sdk_native> [other]
+    other opts might be:
+    --runtime-core-branch=<branch for arkcompiler_runtime_core>
+    --runtime-core-repo=<runtime core remote repo>
+    --llvm-project-branch=<branch for third_party_llvm-project>
+    --llvm-project-repo=<llvm project remote repo>
+EOF
+}
+
+build_dir=
+#"/srv/workspace/llvm_6bf60d9aa/command-line-tools/sdk/default/openharmony/native"
+ohos_sdk_native=
+runtime_core_branch="OpenHarmony_feature_20241108"
+runtime_core_repo="https://gitee.com/openharmony/arkcompiler_runtime_core"
+llvm_project_branch="2024_1127_llvm_ark_aot"
+llvm_repo="https://gitee.com/openharmony/third_party_llvm-project"
+
+while (( ${#} > 0 )); do
+    opt="${1}"
+
+    case "${opt}" in
+        --build-dir=*)
+            build_dir="${opt#"--build-dir="}";;
+        --sdk-native=*)
+            ohos_sdk_native="${opt#"--sdk-native="}";;
+        --runtime-core-branch=*)
+            runtime_core_branch="${opt#"--runtime-core-branch="}";;
+        --runtime-core-repo=*)
+            runtime_core_repo="${opt#"--runtime-core-repo="}";;
+        --llvm-project-branch=*)
+            llvm_project_branch="${opt#"--llvm-project-branch="}";;
+        --llvm-project-repo=*)
+            llvm_repo="${opt#"--llvm-project-repo="}";;
+        *)
+            usage
+            exit 1
+    esac
+    shift
+done
+
+if [[ -z "${build_dir}" || -z "${ohos_sdk_native}" ]]; then
+    usage
+    exit 1
+fi
+rm -rf ${build_dir}
+# download arkcompiler sources 
+# for prebuilts script and build_llvm.sh 
+ARKCOMPILER_DIR="${build_dir}/arkcompiler_runtime_core"
+git clone --depth 1 -b "${runtime_core_branch}" "${runtime_core_repo}" "${ARKCOMPILER_DIR}"
+git fetch https://gitee.com/openharmony/arkcompiler_runtime_core.git pull/3979/head:pr_3979 && git cherry-pick FETCH_HEAD
+# Install prebuilts
+# requires root !!!
+bash ${ARKCOMPILER_DIR}/static_core/scripts/install-deps-ubuntu --install=dev --install=arm-all
+
+# download llvm sources
+LLVM_DIR="${build_dir}/llvm-project"
+git clone --depth 1 -b "${llvm_project_branch}" "${llvm_repo}" "${LLVM_DIR}"
+
+### Required variables
+export BUILD_DIR=${build_dir}/build
+export LLVM_SOURCES="${LLVM_DIR}/llvm"
+export VERSION="15.0.4-ark18"
+export PACKAGE_VERSION="${VERSION}" # must match REQUIRED_LLVM_VERSION in libllvmbackend/CMakeLists.txt
+
+### Select targets to build, at least one must be set to "true"
+export BUILD_X86_DEBUG=true
+export BUILD_X86_RELEASE=true
+export BUILD_AARCH64_DEBUG=true
+export BUILD_AARCH64_RELEASE=true
+export BUILD_OHOS_RELEASE=true
+export BUILD_OHOS_RELEASE_GN=true
+
+### Optional variables
+export INSTALL_DIR="${build_dir}/install"
+
+export DO_STRIPPING=true
+export DO_TAR=true
+
+# <sdk_root>/linux/native-linux-x64-5.0.2.52-Canary1/native
+export OHOS_SDK="${ohos_sdk_native}"
+export PATH="${ohos_sdk_native}"/build-tools/cmake/bin:$PATH
+export OHOS_PREBUILTS="${build_dir}"
+
+# Hack: avoid dependency on OHOS prebuilts
+# paths used in build_llvm.sh
+ohos_prebuilts_bin="${OHOS_PREBUILTS}/clang/ohos/linux-x86_64/llvm"
+mkdir -p "${ohos_prebuilts_bin}"
+ln -s "${OHOS_SDK}/llvm/bin" "${ohos_prebuilts_bin}/bin"
+ln -s "${OHOS_SDK}/llvm/lib" "${ohos_prebuilts_bin}/lib"
+
+### Build tools
+export CC="${OHOS_SDK}/llvm/bin/clang"
+export CXX="${OHOS_SDK}/llvm/bin/clang++"
+export STRIP="${OHOS_SDK}/llvm/bin/llvm-strip"
+export OPTIMIZE_DEBUG=false
+echo "----before bash -x----------"
+bash -x "${ARKCOMPILER_DIR}/static_core/scripts/llvm/build_llvm.sh"
+