name: Run libcxx/libcxxabi/libunwind tests
on:
  workflow_dispatch:
    inputs:
      commit:
        description: 'Commit to extract from'
        type: string
      branch:
        description: 'Branch to extract from'
        type: string
        default: 'master'
      pipeline_type:
        description: 'Pipeline type'
        required: true
        default: 'push'
        type: choice
        options:
        - push
        - schedule

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      LLVM_VERSION: ${{steps.get-parameters.outputs.LLVM_VERSION}}
    steps:
      - name: Download build parameters
        uses: dawidd6/action-download-artifact@v3
        with:
          workflow: build.yml
          workflow_conclusion: success
          commit: ${{inputs.commit}}
          branch: ${{inputs.branch}}
          event: ${{inputs.pipeline_type}}
          name: parameters
      - name: Get build parameters
        id: get-parameters
        run: |
          cat parameters.txt >> $GITHUB_OUTPUT
          cat $GITHUB_OUTPUT

  test-libcxx:
    needs: [prepare]
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - { arch: x86_64, prefix: i686-w64-mingw32- }
          - { arch: x86_64, prefix: }
    steps:
      - name: Install dependencies
        run: |
          choco install ninja
      - name: Download toolchain
        uses: dawidd6/action-download-artifact@v3
        with:
          workflow: build.yml
          workflow_conclusion: success
          commit: ${{inputs.commit}}
          branch: ${{inputs.branch}}
          event: ${{inputs.pipeline_type}}
          name: windows-ucrt-${{matrix.arch}}-toolchain
      - name: Unpack toolchain
        run: |
          Expand-Archive llvm-mingw-*.zip -DestinationPath .
          del llvm-mingw-*.zip
          mv llvm-mingw-* c:\llvm-mingw
          echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
          echo "c:\llvm-mingw\python\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
          echo "PYTHON_EXE=c:/llvm-mingw/python/bin/python3.exe" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
      - uses: actions/checkout@v4
      - name: Checkout llvm-project
        env:
          LLVM_VERSION: ${{needs.prepare.outputs.LLVM_VERSION}}
        run: |
          bash -c "CHECKOUT_ONLY=1 ./build-llvm.sh"
      - name: Build and test libcxx
        run: |
          cd llvm-project
          mkdir build
          cd build
          cmake ../runtimes `
            -G Ninja `
            -DCMAKE_BUILD_TYPE=Release `
            -DPython3_EXECUTABLE="$Env:PYTHON_EXE" `
            -DLIBCXX_ENABLE_WERROR=YES `
            -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" `
            -DLIBCXX_CXX_ABI=libcxxabi `
            -DCMAKE_C_COMPILER=${{matrix.prefix}}clang `
            -DCMAKE_CXX_COMPILER=${{matrix.prefix}}clang++ `
            -DLIBCXXABI_ENABLE_SHARED=NO `
            -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=YES `
            -DLIBCXX_USE_COMPILER_RT=YES `
            -DLIBCXXABI_USE_COMPILER_RT=YES `
            -DLIBUNWIND_USE_COMPILER_RT=YES `
            -DLIBCXXABI_USE_LLVM_UNWINDER=YES `
            -DLIBCXX_EXTRA_SITE_DEFINES="__USE_MINGW_ANSI_STDIO=1" `
            -DLLVM_LIT_ARGS="-v --time-tests"
          ninja
          ninja check-cxx check-cxxabi check-unwind