diff --git a/build.sh b/build.sh
index 07c789d43dd90155f7c19ee18ac3f75dc17b444a..d6ef83596bdeb000e4a818fe8bd938b145659bef 100755
--- a/build.sh
+++ b/build.sh
@@ -5,9 +5,10 @@ C_COMPILER_PATH=gcc
 CXX_COMPILER_PATH=g++
 
 # Initialize our own variables:
+enable_acpo="1"
 enable_autotuner="1"
 buildtype=RelWithDebInfo
-backends="ARM;AArch64;X86"
+backends="all"
 build_for_openeuler="0"
 enabled_projects="clang;lld;compiler-rt;openmp;clang-tools-extra"
 embedded_toolchain="0"
@@ -49,6 +50,7 @@ Build the compiler under $build_prefix, then install under $install_prefix.
 
 Options:
   -a       Disable BiSheng-Autotuner.
+  -A       Disable ACPO.
   -b type  Specify CMake build type (default: $buildtype).
   -c       Use ccache (default: $use_ccache).
   -e       Build for embedded cross tool chain.
@@ -69,11 +71,14 @@ EOF
 
 # Process command-line options. Remember the options for passing to the
 # containerized build script.
-while getopts :ab:ceEhiI:j:orstvfX: optchr; do
+while getopts :aAb:ceEhiI:j:orstvfX: optchr; do
   case "$optchr" in
     a)
       enable_autotuner="0"
       ;;
+    A)
+      enable_acpo="0"
+      ;;
     b)
       buildtype="$OPTARG"
       case "${buildtype,,}" in
@@ -207,6 +212,12 @@ if [ $enable_autotuner == "1" ]; then
   CMAKE_OPTIONS="$CMAKE_OPTIONS -DLLVM_ENABLE_AUTOTUNER=ON"
 fi
 
+if [ $enable_acpo == "1" ]; then
+  echo "enable ACPO"
+  export CFLAGS="-Wp,-DENABLE_ACPO ${CFLAGS}"
+  export CXXFLAGS="-Wp,-DENABLE_ACPO ${CXXFLAGS}"
+fi
+
 # Build and install
 if [ $clean -eq 1 -a -e "$install_prefix" ]; then
   rm -rf "$install_prefix"
@@ -227,6 +238,36 @@ cmake $CMAKE_OPTIONS \
       -DLLVM_USE_SPLIT_DWARF=$split_dwarf \
       -DCMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO="-Wl,--gdb-index -Wl,--compress-debug-sections=zlib" \
       -DCMAKE_EXE_LINKER_FLAGS_DEBUG="-Wl,--gdb-index -Wl,--compress-debug-sections=zlib" \
+      -DBUILD_SHARED_LIBS=OFF \
+      -DLLVM_ENABLE_LIBCXX=OFF \
+      -DLLVM_ENABLE_ZLIB=ON \
+      -DLLVM_BUILD_RUNTIME=ON \
+      -DLLVM_INCLUDE_TOOLS=ON \
+      -DLLVM_BUILD_TOOLS=ON \
+      -DLLVM_INCLUDE_TESTS=ON \
+      -DLLVM_BUILD_TESTS=ON \
+      -DLLVM_INCLUDE_EXAMPLES=ON \
+      -DLLVM_BUILD_EXAMPLES=OFF \
+      -DCLANG_DEFAULT_PIE_ON_LINUX=ON \
+      -DCLANG_ENABLE_ARCMT=ON \
+      -DCLANG_ENABLE_STATIC_ANALYZER=ON \
+      -DCLANG_PLUGIN_SUPPORT=ON \
+      -DLLVM_DYLIB_COMPONENTS="all" \
+      -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON \
+      -DCMAKE_SKIP_RPATH=ON \
+      -DLLVM_ENABLE_FFI=ON \
+      -DLLVM_ENABLE_RTTI=ON \
+      -DLLVM_USE_PERF=ON \
+      -DLLVM_INSTALL_GTEST=ON \
+      -DLLVM_INCLUDE_UTILS=ON \
+      -DLLVM_INSTALL_UTILS=ON \
+      -DLLVM_INCLUDE_BENCHMARKS=OFF \
+      -DENABLE_LINKER_BUILD_ID=ON \
+      -DLLVM_ENABLE_EH=ON \
+      -DCLANG_DEFAULT_UNWINDLIB=libgcc \
+      -DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON \
+      -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON \
+      -DLIBOMP_INSTALL_ALIASES=OFF \
       $llvm_binutils_incdir \
       $verbose \
       ../llvm