Point workflow yaml at new docker image #47080

	name: LLVM Premerge Checks

	permissions:
	contents: read

	on:
	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	# When a PR is closed, we still start this workflow, but then skip
	# all the jobs, which makes it effectively a no-op. The reason to
	# do this is that it allows us to take advantage of concurrency groups
	# to cancel in progress CI jobs whenever the PR is closed.
	- closed
	push:
	branches:
	- 'main'
	- 'release/**'

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	premerge-checks-linux:
	name: Linux Premerge Checks (Test Only - Please Ignore Results)
	if: >-
	github.repository_owner == 'llvm' &&
	(github.event_name != 'pull_request' \|\| github.event.action != 'closed')
	runs-on: ubuntu-latest
	container:
	image: ghcr.io/gburgessiv/llvm-ci-with-checkout:latest
	steps:
	- name: Seed LLVM repo
	run: \|
	set -e
	echo "Removing old workspace dir"
	rmdir "${GITHUB_WORKSPACE}"
	echo "Creating symlink"
	ln -s /home/gha/llvm-project "${GITHUB_WORKSPACE}"
	echo "Successfully linked"
	- name: Checkout LLVM
	uses: gburgessiv/checkout@cd9bfd32b603629c83b862731b9177c640196083 # v4.2.2

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