test.yml

name: "Run LLVM backend tests"
on:
  pull_request:
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  compile-nix-flake:
    name: 'Nix flake'
    strategy:
      fail-fast: false
      matrix:
        include:
          - runner: [self-hosted, linux, normal]
            os: ubuntu-20.04
          - runner: macos-12
            os: macos-12
          - runner: MacM1
            os: self-macos-12
    runs-on: ${{ matrix.runner }}
    steps:
      - name: 'Check out code'
        uses: actions/checkout@v4
        with:
          # Check out pull request HEAD instead of merge commit.
          ref: ${{ github.event.pull_request.head.sha }}

      - name: 'Install Nix'
        if: ${{ !startsWith(matrix.os, 'self') }}
        uses: cachix/install-nix-action@v22
        with:
          install_url: https://releases.nixos.org/nix/nix-2.13.3/install
          extra_nix_config: |
            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}

      - name: 'Install Cachix'
        uses: cachix/cachix-action@v12
        with:
          name: k-framework
          authToken: '${{ secrets.CACHIX_PUBLIC_TOKEN }}'
          skipPush: true

      - name: 'Build LLVM backend'
        run: GC_DONT_GC=1 nix build --print-build-logs .

      - name: 'Test LLVM backend'
        run: GC_DONT_GC=1 nix flake check --print-build-logs

      - name: 'Push Flake to Cachix'
        run: |
          GC_DONT_GC=1 nix build --print-build-logs . --json \
            | jq -r '.[].outputs | to_entries[].value' \
            | cachix push k-framework

  build-from-source:
    name: 'Build LLVM backend from source'
    runs-on: [self-hosted, linux, normal]
    steps:
      - name: 'Check out code'
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: 'Set up Docker'
        uses: ./.github/actions/with-docker
        with:
          tag: llvm-backend-ci-${{ github.sha }}
          os: ubuntu
          distro: jammy
          llvm: 15

      - name: 'Run backend tests'
        run: |
          docker exec -t llvm-backend-ci-${GITHUB_SHA} /bin/bash -c 'mkdir build && cd build && cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DBUILD_TESTS=On .. && make install'
          docker exec -t llvm-backend-ci-${GITHUB_SHA} /bin/bash -c 'cd matching && mvn package'
          docker exec -t llvm-backend-ci-${GITHUB_SHA} /bin/bash -c 'PATH=./build/install:$PATH lit -av test'

      - name: 'Tear down Docker'
        if: always()
        run: |
          docker stop --time=0 llvm-backend-ci-${GITHUB_SHA}
          docker container rm --force llvm-backend-ci-${GITHUB_SHA} || true