diff --git a/llvm/utils/release/build-docs.sh b/llvm/utils/release/build-docs.sh
new file mode 100755
--- /dev/null
+++ b/llvm/utils/release/build-docs.sh
@@ -0,0 +1,105 @@
+#!/bin/sh
+#===-- build-docs.sh - Tag the LLVM release candidates ---------------------===#
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+#===------------------------------------------------------------------------===#
+#
+# Build documentation for LLVM releases.
+#
+#===------------------------------------------------------------------------===#
+
+set -ex
+
+builddir=docs-build
+
+usage() {
+  echo "Build the documentation for an LLVM release.  This only needs to be "
+  echo "done for -final releases."
+  echo "usage: `basename $0`"
+  echo " "
+  echo " -release <num> The release version to build"
+  echo " -srcdir  <dir> Path to llvm source directory with CMakeLists.txt"
+  echo "                (optional) default: ../../"
+}
+
+package_doxygen() {
+
+  project=$1
+  proj_dir=$2
+  output=${project}_doxygen-$release
+
+  mv $builddir/$proj_dir/docs/doxygen/html $output
+  tar -cJf $output.tar.xz $output
+}
+
+
+while [ $# -gt 0 ]; do
+  case $1 in
+    -release )
+      shift
+      release=$1
+      ;;
+    -srcdir )
+      shift
+      srcdir=$1
+      ;;
+    * )
+      echo "unknown option: $1"
+      usage
+      exit 1
+      ;;
+   esac
+   shift
+done
+
+# Set default source directory if one is not supplied
+if [ -z "$srcdir" ]; then
+  srcdir="../../"
+fi
+
+# Validate the release
+if [ -z "$release" ]; then
+  echo "error: need to specify a release version"
+  exit 1
+fi
+
+release_tag_commit=`git -C $srcdir rev-list -1 llvmorg-$release`
+head_commit=`git -C $srcdir rev-parse HEAD`
+
+if [ "$release_tag_commit" != "$head_commit" ]; then
+  echo "error: llvmorg-$release is not currently checked out"
+  exit 1
+fi
+
+
+cmake -G Ninja $srcdir -B $builddir \
+               -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;lld;libcxx;polly;flang" \
+               -DCMAKE_BUILD_TYPE=Release \
+               -DLLVM_ENABLE_DOXYGEN=ON \
+               -DLLVM_ENABLE_SPHINX=ON \
+               -DLLVM_INCLUDE_DOCS=ON \
+               -DLLVM_DOXYGEN_SVG=ON \
+               -DSPHINX_WARNINGS_AS_ERRORS=OFF
+
+ninja -C $builddir \
+               docs-clang-html \
+               docs-flang-html \
+               docs-libcxx-html \
+               docs-lld-html \
+               docs-llvm-html \
+               docs-polly-html \
+               doxygen-clang \
+               doxygen-clang-tools \
+               doxygen-flang \
+               doxygen-llvm \
+               doxygen-mlir \
+               doxygen-polly
+
+
+package_doxygen llvm .
+package_doxygen clang tools/clang
+package_doxygen clang-tools-extra tools/clang/tools/extra
+package_doxygen flang tools/flang