llvm.yml

name: LLVM CI

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

env:
  SPEC_SPLIT_DOTS: 160

jobs:
  llvm_test:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - llvm_version: "13.0.0"
            llvm_filename: "clang+llvm-13.0.0-x86_64-linux-gnu-ubuntu-20.04.tar.xz"
          - llvm_version: "14.0.0"
            llvm_filename: "clang+llvm-14.0.0-x86_64-linux-gnu-ubuntu-18.04.tar.xz"
          - llvm_version: "15.0.6"
            llvm_filename: "clang+llvm-15.0.6-x86_64-linux-gnu-ubuntu-18.04.tar.xz"
          - llvm_version: "16.0.3"
            llvm_filename: "clang+llvm-16.0.3-x86_64-linux-gnu-ubuntu-22.04.tar.xz"
          - llvm_version: "17.0.6"
            llvm_filename: "clang+llvm-17.0.6-x86_64-linux-gnu-ubuntu-22.04.tar.xz"
          - llvm_version: "18.1.4"
            llvm_filename: "clang+llvm-18.1.4-x86_64-linux-gnu-ubuntu-18.04.tar.xz"
          - llvm_version: "19.1.0"
            llvm_filename: "LLVM-19.1.0-Linux-X64.tar.xz"
    name: "LLVM ${{ matrix.llvm_version }}"
    steps:
      - name: Checkout Crystal source
        uses: actions/checkout@v4

      - name: Cache LLVM
        id: cache-llvm
        uses: actions/cache@v4
        with:
          path: ./llvm
          key: llvm-${{ matrix.llvm_version }}
        if: "${{ !env.ACT }}"

      - name: Install LLVM ${{ matrix.llvm_version }}
        run: |
          mkdir -p llvm
          curl -L "https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.llvm_version }}/${{ matrix.llvm_filename }}" > llvm.tar.xz
          tar x --xz -C llvm --strip-components=1 -f llvm.tar.xz
        if: steps.cache-llvm.outputs.cache-hit != 'true'

      - name: Set up LLVM
        run: |
          sudo apt-get install -y libtinfo5
          echo "PATH=$(pwd)/llvm/bin:$PATH" >> $GITHUB_ENV
          echo "LLVM_CONFIG=$(pwd)/llvm/bin/llvm-config" >> $GITHUB_ENV
          echo "LD_LIBRARY_PATH=$(pwd)/llvm/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV

      - name: Install Crystal
        uses: crystal-lang/install-crystal@v1
        with:
          crystal: "1.13.3"

      - name: Build libllvm_ext
        run: make -B deps

      - name: Test compiler_spec
        run: make compiler_spec junit_output=.junit/compiler_spec.xml

      - name: Integration test
        run: make crystal std_spec threads=1 junit_output=.junit/std_spec.xml