mlirDistro.yml

name: MLIR Distro

on:
  workflow_dispatch:
    inputs:
      DEBUG_ENABLED:
        description: 'Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)'
        type: boolean
        required: false
        default: false
      DEBUG_OS:
        description: 'which runner os to run the tmate action in (if the tmate action is run)'
        type: string
        default: 'windows-2019'
        required: false
      DEBUG_ARCH:
        description: 'which runner arch to run the tmate action in (if the tmate action is run)'
        type: string
        default: 'x86_64'
        required: false
      DEBUG_DETACHED:
        description: 'whether to launch tmate in detached mode (if the tmate action is run)'
        type: boolean
        required: false
        default: true
      LLVM_COMMIT:
        description: 'llvm commit to build'
        type: string
        required: false
        default: ''
      APPLY_PATCHES:
        description: 'whether to apply patches to source'
        type: string
        required: false
        default: 'true'

  # this is only for debugging this same yamls
  # comment it out when you're not working on these yamls
#  pull_request:

  schedule:
    # At minute 0 past every 6th hour. (see https://crontab.guru)
    - cron: '0 */6 * * *'

jobs:

  get_llvm_project_commit:

    name: Get latest LLVM commit

    runs-on: ubuntu-latest

    outputs:
      LLVM_PROJECT_COMMIT: ${{ steps.get_llvm_project_commit.outputs.LLVM_PROJECT_COMMIT }}
      DATETIME: ${{ steps.get_llvm_project_commit.outputs.DATETIME }}

    steps:
      - name: Get llvm-project commit
        id: get_llvm_project_commit
        run: |
          
          if [ x"${{ inputs.LLVM_COMMIT }}" == x"" ]; then
            sudo apt install jq
            LLVM_PROJECT_COMMIT=$(curl -s https://api.github.com/repos/llvm/llvm-project/commits/main | jq -r '.sha[:8]')
          else
            LLVM_PROJECT_COMMIT="${{ inputs.llvm_commit }}"
          fi
          echo "LLVM_PROJECT_COMMIT=${LLVM_PROJECT_COMMIT}" | tee -a $GITHUB_OUTPUT
          DATETIME=$(date +"%Y%m%d%H")
          echo "DATETIME=${DATETIME}" | tee -a $GITHUB_OUTPUT

  build:

    needs: get_llvm_project_commit

    name: ${{ matrix.OS }} ${{ matrix.ARCH }}

    continue-on-error: true

    runs-on: ${{ matrix.OS }}

    outputs:
      MLIR_WHEEL_VERSION: ${{ steps.get_wheel_version.outputs.MLIR_WHEEL_VERSION }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - OS: ubuntu-20.04
            ARCH: x86_64

          - OS: ubuntu-20.04
            ARCH: aarch64

          - OS: windows-2019
            ARCH: AMD64

          - OS: macos-11
            ARCH: x86_64

          - OS: macos-11
            ARCH: arm64

    steps:

    - name: Checkout actions
      uses: actions/checkout@v3
      with:
        # checkout just the actions in order to pick and choose
        # where the actual repo is checked out manually (see actions/setup_base)
        sparse-checkout: |
          .github/actions

    - uses: ./.github/actions/setup_base
      id: setup_base
      with:
        # optional
        DEBUG_ENABLED: ${{ inputs.DEBUG_ENABLED }}
        DEBUG_OS: ${{ inputs.DEBUG_OS }}
        DEBUG_ARCH: ${{ inputs.DEBUG_ARCH }}
        DEBUG_DETACHED: ${{ inputs.DEBUG_DETACHED }}
        # required
        MATRIX_OS: ${{ matrix.OS }}
        MATRIX_ARCH: ${{ matrix.ARCH }}

    - uses: ./.github/actions/setup_ccache
      id: setup_ccache
      with:
        MATRIX_OS: ${{ matrix.OS }}
        MATRIX_ARCH: ${{ matrix.ARCH }}
        EXTRA_KEY: mlir-distro

    # default workspace is repo root but we're not build mlir-aie here, we're building llvm+mlir
    # and thus llvm-project needs to be adjacent to utils/mlir_wheels/setup.py
    - name: Shift workspace root
      id: workspace_root
      shell: bash
      working-directory: ${{ env.TEMP }}
      run: |
        
        ls "${{ steps.setup_base.outputs.WORKSPACE_ROOT }}"
        
        if [ x"${{ matrix.OS }}" == x"windows-2019" ]; then
          WORKSPACE_ROOT="${{ steps.setup_base.outputs.WORKSPACE_ROOT }}\utils\mlir_wheels"
        else
          WORKSPACE_ROOT="${{ steps.setup_base.outputs.WORKSPACE_ROOT }}/utils/mlir_wheels"
        fi
        
        echo "WORKSPACE_ROOT=$WORKSPACE_ROOT" | tee -a $GITHUB_OUTPUT

      # setup llvm

    - name: Get LLVM
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        curl -s https://codeload.github.com/llvm/llvm-project/zip/${{ needs.get_llvm_project_commit.outputs.LLVM_PROJECT_COMMIT }} -o llvm.zip
        unzip -q llvm.zip
        rm -rf llvm.zip
        LLVM_PROJECT_COMMIT=${{ needs.get_llvm_project_commit.outputs.LLVM_PROJECT_COMMIT }}
        mv llvm-project-$LLVM_PROJECT_COMMIT llvm-project

    # build

    - name: cibuildwheel
      if: ${{ matrix.OS != 'ubuntu-20.04' || matrix.ARCH != 'aarch64' }}
      shell: bash
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      run: |
        
        APPLY_PATCHES=${{ inputs.APPLY_PATCHES == '' && 'true' || inputs.APPLY_PATCHES }} \
        CIBW_ARCHS=${{ matrix.ARCH }} \
        CMAKE_GENERATOR=Ninja \
        DATETIME=${{ needs.get_llvm_project_commit.outputs.DATETIME }} \
        HOST_CCACHE_DIR=${{ steps.setup_ccache.outputs.HOST_CCACHE_DIR }} \
        LLVM_PROJECT_COMMIT=${{ needs.get_llvm_project_commit.outputs.LLVM_PROJECT_COMMIT }} \
        MATRIX_OS=${{ matrix.OS }} \
        PARALLEL_LEVEL=2 \
        cibuildwheel --output-dir wheelhouse

    - name: build aarch ubuntu wheel
      if: ${{ matrix.OS == 'ubuntu-20.04' && matrix.ARCH == 'aarch64' }}
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        export APPLY_PATCHES=${{ inputs.APPLY_PATCHES == '' && 'true' || inputs.APPLY_PATCHES }}
        ./scripts/apply_patches.sh
        
        CIBW_ARCHS=${{ matrix.ARCH }} \
        CMAKE_GENERATOR=Ninja \
        DATETIME=${{ needs.get_llvm_project_commit.outputs.DATETIME }} \
        LLVM_PROJECT_COMMIT=${{ needs.get_llvm_project_commit.outputs.LLVM_PROJECT_COMMIT }} \
        MATRIX_OS=${{ matrix.OS }} \
        PARALLEL_LEVEL=2 \
        PIP_FIND_LINKS="https://makslevental.github.io/wheels" \
        pip wheel . -v -w wheelhouse

    - name: Clean llvm-project
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        rm -rf llvm-project
        rm -rf build

    - name: Docker prune
      if: contains(inputs.MATRIX_OS, 'ubuntu')
      shell: bash
      run: |
        docker system prune -a -f

    - name: Get wheel version
      id: get_wheel_version
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        pip install pkginfo
        WHL=$(ls wheelhouse/mlir-*whl)
        echo "MLIR_WHEEL_VERSION=$(python -c "import pkginfo; w = pkginfo.Wheel('$WHL'); print(w.version.split('+')[0] + '+' + w.version.split('+')[1].rsplit('.', 1)[-1])")" | tee -a $GITHUB_OUTPUT

    - name: Download cache from container ubuntu
      if: (matrix.OS == 'ubuntu-20.04' && matrix.ARCH == 'x86_64') && (success() || failure())
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        ccache -s
        HOST_CCACHE_DIR="$(ccache --get-config cache_dir)"
        rm -rf $HOST_CCACHE_DIR
        mv ./wheelhouse/.ccache $HOST_CCACHE_DIR
        ls -la $HOST_CCACHE_DIR
        ccache -s

    # For whatever reason, the timestamps on all of the files that come out of the docker container
    # are some amount ahead in time (maybe 12 hours?). that means if you try to rebuild at any point
    # within that window ccache will not hit because the timestamps of the cached objects are ahead of
    # your build time. I'm not 100% sure about this explanation/mechanism but this fixed ccache misses for me.
    - name: Reset datetime ccache
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        ccache --print-stats
        HOST_CCACHE_DIR="$(ccache --get-config cache_dir)"
        # Set the timestamp to the beginning of the current hour.
        find $HOST_CCACHE_DIR -exec touch -a -m -t "${{ needs.get_llvm_project_commit.outputs.DATETIME }}00" {} \;

    # The wheels important parts of the wheels (all the LLVM/MLIR archives) have nothing to do with the
    # python version. With py3-none you can pip install them in any python venv. Unfortunately though this does
    # mean that the python bindings themselves will confusingly not work in other envs (!=3.11)
    - name: rename non-windows
      if: ${{ matrix.OS == 'ubuntu-20.04' || matrix.OS == 'macos-11' }}
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      run: |
        
        rename 's/cp310-cp310/py3-none/' wheelhouse/mlir-*whl
        rename 's/cp311-cp311/py3-none/' wheelhouse/mlir-*whl
        
        if [ x"${{ matrix.OS }}" == x"ubuntu-20.04" ] && [ x"${{ matrix.ARCH }}" == x"aarch64" ]; then
          rename 's/x86_64/aarch64/' wheelhouse/mlir-*whl
        fi

    - name: rename windows
      if: ${{ matrix.OS == 'windows-2019' }}
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      run: |
        ls wheelhouse/mlir-*whl | Rename-Item -NewName {$_ -replace 'cp310-cp310', 'py3-none' }
        ls wheelhouse/mlir-*whl | Rename-Item -NewName {$_ -replace 'cp311-cp311', 'py3-none' }

    # The "native tools" MLIR utilities that are necessary for cross-compiling MLIR - basically just tblgen.
    # Now if you build a whole distro you naturally do get those utilities but it's easier to just bundle them
    # together here and now and make them also available as a separate, much lighter wheel,
    # instead of asking/expecting someone to download the entire distro just for tblgen.
    - name: Build native_tools wheel
      working-directory: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}
      shell: bash
      id: build_native_tools_wheel
      run: |
        
        for TOOL in "llvm-tblgen" "mlir-tblgen" "mlir-linalg-ods-yaml-gen" "mlir-pdll" "llvm-config" "FileCheck"; do
          if [ x"${{ matrix.OS }}" == x"windows-2019" ]; then
            TOOL="$TOOL.exe"
          fi
          unzip -j wheelhouse/mlir-*whl "mlir/bin/$TOOL" -d native_tools/
        done
        
        if [ x"${{ matrix.OS }}" == x"ubuntu-20.04" ]; then
          PLAT="linux"
        elif [ x"${{ matrix.OS }}" == x"macos-11" ]; then
          PLAT="macosx_11_0"
        elif [ x"${{ matrix.OS }}" == x"windows-2019" ]; then
          PLAT="win"
        fi
        
        PLAT=${PLAT}_$(echo ${{ matrix.ARCH }} | tr '[:upper:]' '[:lower:]')
        pushd native_tools

        MLIR_WHEEL_VERSION=${{ steps.get_wheel_version.outputs.MLIR_WHEEL_VERSION }} \
        python setup.py bdist_wheel --dist-dir ../wheelhouse --plat $PLAT
        
        popd

    # done

    - name: Upload wheels
      if: github.event_name == 'workflow_dispatch' && (success() || failure())
      uses: actions/upload-artifact@v3
      with:
        path: ${{ steps.workspace_root.outputs.WORKSPACE_ROOT }}/wheelhouse/*.whl
        name: build_artifact

  upload_distro_wheels:

    if: github.event_name == 'workflow_dispatch'

    needs: build

    runs-on: ubuntu-latest

    permissions:
      id-token: write
      contents: write

    steps:
      - uses: actions/download-artifact@v3
        with:
          # unpacks default artifact into dist/
          # if `name: artifact` is omitted, the action will create extra parent dir
          name: build_artifact
          path: dist

      - name: Release current commit
        uses: ncipollo/release-action@v1.12.0
        with:
          artifacts: "dist/*.whl,dist/*.tar.xz"
          token: "${{ secrets.GITHUB_TOKEN }}"
          tag: "mlir-distro"
          name: "mlir-distro"
          removeArtifacts: false
          allowUpdates: true
          replacesArtifacts: true
          makeLatest: true