name: LLVM

on:
    workflow_dispatch:

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-13]
        platform: [x64, arm64]
        build-cfg: [Debug, DebugOpt, Release]

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

    env:
      CC: ${{ startsWith(matrix.os, 'ubuntu') && 'gcc-11' || 'clang' }}
      CXX: ${{ startsWith(matrix.os, 'ubuntu') && 'g++-11' || 'clang++' }}
      PLATFORM: ${{ matrix.platform }}
      BUILD_CONFIGURATION: ${{ matrix.build-cfg }}
      ACTIONS_ALLOW_UNSECURE_COMMANDS: true

    steps:
      - uses: actions/checkout@v4
      - uses: lukka/get-cmake@latest

      - run: df -h

      - name: Free Disk Space
        if: startsWith(matrix.os, 'ubuntu')
        uses: endersonmenezes/free-disk-space@v2
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true
          remove_tool_cache: true
          remove_swap: true
          remove_packages: "azure-cli google-cloud-cli microsoft-edge-stable google-chrome-stable firefox postgresql* temurin-* *llvm* mysql* dotnet-sdk-*"
          remove_packages_one_command: true
          remove_folders: "/usr/share/swift /usr/share/miniconda /usr/share/az* /usr/local/lib/node_modules /usr/local/share/chromium /usr/local/share/powershell /usr/local/julia /usr/local/aws-cli /usr/local/aws-sam-cli /usr/share/gradle"
          testing: false

      - name: Free Disk Space
        if: startsWith(matrix.os, 'macos')
        run: |
          sudo rm -rf /Library/Frameworks/Mono.framework
          sudo rm -rf /Library/Frameworks/Xamarin.iOS.framework
          sudo rm -rf /Library/Frameworks/Xamarin.Android.framework
          sudo rm -rf /Users/runner/Library/Android
          sudo rm -rf /usr/local/share/powershell
          sudo find /Applications -type d -name "Xcode_*.app" ! -name "Xcode_$XCODE_VERSION.app" -prune -exec rm -rf "{}" \;
      - run: df -h

      - name: Install cross compilers
        if: startsWith(matrix.os, 'ubuntu') && startsWith(matrix.platform, 'arm64')
        run: sudo apt install -y g++-aarch64-linux-gnu gcc-aarch64-linux-gnu

      - name: Clone LLVM
        shell: bash
        run: build/build.sh clone_llvm
          
      - name: Build LLVM
        shell: bash
        run: build/build.sh build_llvm -platform $PLATFORM -configuration $BUILD_CONFIGURATION

      - name: Package LLVM
        shell: bash
        run: build/build.sh package_llvm -platform $PLATFORM -configuration $BUILD_CONFIGURATION

      - name: 'Upload Artifact'
        uses: actions/upload-artifact@v4
        with:
          name: llvm-${{ matrix.os }}-${{ matrix.platform }}-${{ matrix.build-cfg }}
          overwrite: true
          path: build/llvm/llvm-*-*.*