llvm.yml

name: LLVM CI

on: [push, pull_request]

permissions: {}

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

env:
  SPEC_SPLIT_DOTS: 160

jobs:
  llvm_test:
    runs-on: ${{ matrix.runs-on }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - {llvm_version: 13, runs-on: ubuntu-22.04, codename: jammy}
          - {llvm_version: 14, runs-on: ubuntu-22.04, codename: jammy}
          - {llvm_version: 15, runs-on: ubuntu-22.04, codename: jammy}
          - {llvm_version: 16, runs-on: ubuntu-22.04, codename: jammy}
          - {llvm_version: 17, runs-on: ubuntu-24.04, codename: noble}
          - {llvm_version: 18, runs-on: ubuntu-24.04, codename: noble}
          - {llvm_version: 19, runs-on: ubuntu-24.04, codename: noble}
    name: "LLVM ${{ matrix.llvm_version }}"
    steps:
      - name: Checkout Crystal source
        uses: actions/checkout@v4

      - name: Install LLVM ${{ matrix.llvm_version }}
        run: |
          sudo apt remove 'llvm-*' 'libllvm*'
          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
          sudo apt-add-repository -y deb http://apt.llvm.org/${{ matrix.codename }}/ llvm-toolchain-${{ matrix.codename }}-${{ matrix.llvm_version }} main
          sudo apt install -y llvm-${{ matrix.llvm_version }}-dev lld

      - name: Install Crystal
        uses: crystal-lang/install-crystal@v1
        with:
          crystal: "1.14.0"

      - 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