[workflows] Add post-commit job that periodically runs the clang static analyzer #1

	name: Post-Commit Static Analyzer

	permissions:
	contents: read

	on:
	push:
	branches:
	- 'release/**'
	paths:
	- 'llvm/**'
	pull_request:
	paths:
	- '.github/workflows/ci-post-commit-analyzer.yml'
	schedule:
	- cron: '30 0 * * *'

	concurrency:
	group: >-
	llvm-project-${{ github.workflow }}-${{ github.event_name == 'pull_request' &&
	( github.event.pull_request.number \|\| github.ref) }}
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}

	jobs:
	post-commit-analyzer:
	if: >-
	github.repository_owner == 'llvm' &&
	github.event.action != 'closed'
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout Source
	uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

	- name: Install Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install \
	cmake \
	ninja-build \
	perl \
	clang-tools \
	clang

	- name: Configure
	run: \|
	scan-build \
	--use-c++=clang++ \
	--use-cc=clang \
	cmake -B build -S llvm -G Ninja \
	-DLLVM_ENABLE_ASSERTIONS=ON \
	-DLLVM_BUILD_LLVM_DYLIB=ON \
	-DLLVM_LINK_LLVM_DYLIB=ON \
	-DCMAKE_BUILD_TYPE=Release

	- name: Build
	run: \|
	scan-build -o analyzer-results --use-c++=clang++ --use-cc=clang ninja -v -C build

	- name: Upload Results
	uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
	with:
	name: analyzer-results
	path: 'analyzer-results/*/'

Provide feedback