Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5

external/llvm/utils/docker/example/build/Dockerfile

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+#===- llvm/utils/docker/example/build/Dockerfile -------------------------===//
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===//
+# This is an example Dockerfile to build an image that compiles clang.
+# Replace FIXMEs to prepare your own image.
+
+# FIXME: Replace 'ubuntu' with your base image
+FROM ubuntu
+
+# FIXME: Change maintainer name
+LABEL maintainer "Maintainer <maintainer@email>"
+
+# FIXME: Install llvm/clang build dependencies. Including compiler to
+# build stage1, cmake, subversion, ninja, etc.
+
+ADD checksums /tmp/checksums
+ADD scripts /tmp/scripts
+
+# Arguments passed to build_install_clang.sh.
+ARG buildscript_args
+
+# Run the build. Results of the build will be available as /tmp/clang.tar.gz.
+RUN /tmp/scripts/build_install_llvm.sh ${buildscript_args}

external/llvm/utils/docker/example/release/Dockerfile

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+#===- llvm/utils/docker/example/release/Dockerfile -----------------------===//
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+#===----------------------------------------------------------------------===//
+# An image that unpacks a clang installation, compiled by the 'build/'
+# container.
+# Replace FIXMEs to prepare your own image.
+
+# FIXME: Replace 'ubuntu' with your base image.
+FROM ubuntu
+
+# FIXME: Change maintainer name.
+LABEL maintainer "Maintainer <maintainer@email>"
+
+# FIXME: Install all packages you want to have in your release container.
+# A minimal useful installation must include libstdc++ and binutils.
+
+# Unpack clang installation into this container.
+# It is copied to this directory by build_docker_image.sh script.
+ADD clang.tar.gz /usr/local/