build.yml

name: Build

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main

jobs:

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

    strategy:
      matrix:
        os: [ubuntu-latest, 'macos-13', 'macos-13-arm64']
        dist: [local, centos-7, ubuntu-18.04]
        config: [release, assert]

        exclude:
          - os: macos-13
            dist: centos-7
          - os: macos-13
            dist: ubuntu-18.04
          - os: ubuntu-latest
            dist: local
          - os: macos-13-arm64
            dist: centos-7
          - os: macos-13-arm64
            dist: ubuntu-18.04

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Checkout submodules
        run: |
          git submodule update --init --recursive

      - name: Compile
        run: |
          LLVM_VER="$(python3 scripts/get_llvm_version.py llvm-project/llvm/CMakeLists.txt)"


          if [ x"${{ matrix.os }}" == x"ubuntu-latest" ]; then
            # internally it uses a docker to run the desired platform
            PLATFORM_NAME="linux-gnu-${{ matrix.dist }}"
            BUILD_PLATFORM="docker_${{ matrix.dist }}"
            CPU_ARCH="x86_64"
          elif [ x"${{ matrix.os }}" == x"macos-13" ]; then
            PLATFORM_NAME="apple-darwin"
            BUILD_PLATFORM="local"
            CPU_ARCH="x86_64"
          else
            PLATFORM_NAME="apple-darwin"
            BUILD_PLATFORM="local"
            CPU_ARCH="arm64"
          fi

          CONFIG_SUFFIX="${{ matrix.config }}"

          OUTPUT="llvm+mlir+clang-${LLVM_VER}-${CPU_ARCH}-${PLATFORM_NAME}-${CONFIG_SUFFIX}"

          bash build_llvm.bash -o "$OUTPUT" -p "$BUILD_PLATFORM" -c "$CONFIG_SUFFIX" -j 4

          mkdir -p ${{ github.sha }}
          mv *.tar.xz ${{ github.sha }}/

      - name: Upload an artifact
        uses: actions/upload-artifact@v3
        if: github.event_name == 'push'
        with:
          if-no-files-found: error
          name: build_artifact
          path: ${{ github.sha }}

  upload-tarballs:

    runs-on: ubuntu-latest

    needs: [build]

    if: ${{ github.event_name == 'push' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Checkout submodules
        run: |
          git submodule update --init --recursive

      - name: Download artifacts
        uses: actions/download-artifact@v3
        with:
          name: build_artifact
          path: ${{ github.sha }}

      - name: Set up a release page
        id: setup_release
        run: |
          LLVM_VER="$(python3 scripts/get_llvm_version.py llvm-project/llvm/CMakeLists.txt)"
          LLVM_COMMIT_ID="$(cd llvm-project && git log -n 1 --pretty=format:"%h" )"
          tag_name="llvm-${LLVM_VER}-${LLVM_COMMIT_ID}"
          release_title="LLVM ${LLVM_VER} (${LLVM_COMMIT_ID})"
          echo "LLVM ${LLVM_VER} created at $(date)" > body.md
          echo "::set-output name=tag_name::${tag_name}"
          echo "::set-output name=release_title::${release_title}"

      - name: Upload tarballs
        uses: ncipollo/release-action@v1
        with:
          artifacts: "${{ github.sha }}/*.tar.xz"
          bodyFile: body.md
          token: "${{ secrets.GITHUB_TOKEN }}"
          tag: "${{ steps.setup_release.outputs.tag_name }}"
          name: "${{ steps.setup_release.outputs.release_title }}"
          removeArtifacts: true