flang-tests.yml

name: Build and test Flang

on:
  pull_request:
    branches:
      - 'release_*x'

jobs:
  build:
    runs-on: ubuntu-22.04
    env:
      install_prefix: /usr/local
    strategy:
      matrix:
        target: [X86]
        cc: [clang]
        cpp: [clang++]
        version: [14, 15]
        include:
          - target: X86
            cc: gcc
            cpp: g++
            version: 12

    steps:
      - uses: actions/checkout@v2

      - if: matrix.cc == 'clang'
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
          sudo touch /etc/apt/sources.list.d/llvm.list
          sudo apt update
          sudo apt install -f -y llvm-${{ matrix.version }} clang-${{ matrix.version}}

      - if: matrix.cc == 'gcc'
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
          sudo apt install gcc-${{ matrix.version }} g++-${{ matrix.version }}
          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.version }} 20
          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.version }} 20

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1
        with:
          key: key-${{ matrix.cc }}-${{ matrix.version }}

      - name: Check tools
        run: |
          git --version
          cmake --version
          make --version
          ${{ matrix.cc }}-${{ matrix.version }} --version
          ${{ matrix.cpp }}-${{ matrix.version }} --version

      - name: Build and install llvm
        run: ./build-llvm-project.sh -t ${{ matrix.target }} -p ${{ env.install_prefix }} -a /usr/bin/${{ matrix.cc }}-${{ matrix.version }} -b /usr/bin/${{ matrix.cpp }}-${{ matrix.version }} -n $(nproc) -c -i -s -x "-DLLVM_ENABLE_ASSERTIONS=ON" -v

      - name: Checkout flang
        run: |
          cd ../..
          git clone --depth 1 --single-branch --branch master https://github.com/flang-compiler/flang.git

      - name: Build and install libpgmath & flang
        run: |
          cd ../../flang
          ./build-flang.sh -t ${{ matrix.target }} -p ${{ env.install_prefix }} -n $(nproc) -c -s -l $(realpath ../classic-flang-llvm-project/classic-flang-llvm-project/llvm)

      - name: Copy llvm-lit
        run: |
          cd ../../flang
          cp ../classic-flang-llvm-project/classic-flang-llvm-project/build/bin/llvm-lit build/flang/bin/

      - name: Test flang
        run: |
          cd ../../flang/build/flang
          make check-all