all: switch to LLVM 16 #6

	# This is the Github action to build and push the LLVM Docker image
	# used by the tinygo/tinygo-dev Docker image.
	#
	# It only needs to be rebuilt when updating the LLVM version.
	#
	# To update, make any needed changes to this file,
	# then push to the "build-llvm-image" branch.
	#
	# The needed image will be rebuilt, which will very likely take at least 1-2 hours.
	name: LLVM
	on:
	push:
	branches: [ build-llvm-image ]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build-push-llvm:
	name: build-push-llvm
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Check out the repo
	uses: actions/checkout@v3
	with:
	submodules: recursive
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: \|
	tinygo/llvm-16
	ghcr.io/${{ github.repository_owner }}/llvm-16
	tags: \|
	type=sha,format=long
	type=raw,value=latest
	- name: Log in to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
	- name: Log in to Github Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build and push
	uses: docker/build-push-action@v4
	with:
	target: tinygo-llvm-build
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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