Install LLVM #77
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| # Combined cargo check with LLVM installation for the three major platforms. | |
| name: Cargo Check | |
| on: ["push", "pull_request"] | |
| # Cancel in-progress runs for previous commits if there are any that haven't completed yet. | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| check: | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| os: [ubuntu-latest, windows-latest, macos-latest] | |
| llvm-version: ["18.1.1"] | |
| runs-on: ${{ matrix.os }} | |
| # Cached checkout of the LLVM source code, excluding CLANG and any other tools we don't need. | |
| steps: | |
| - id: cache-llvm-src | |
| name: Cache LLVM ${{ matrix.llvm-version }} source tree | |
| uses: actions/cache@v4 | |
| with: | |
| path: ./llvm-src | |
| key: ${{ matrix.os }}-llvm-${{ matrix.llvm-version }}-src | |
| - id: checkout-llvm | |
| if: steps.cache-llvm-src.outputs.cache-hit != 'true' | |
| name: Checkout LLVM ${{ matrix.llvm-version }} | |
| uses: actions/checkout@v4 | |
| with: | |
| repository: llvm/llvm-project | |
| ref: llvmorg-${{ matrix.llvm-version }} | |
| path: ./llvm-src | |
| # Cached LLVM build files. | |
| - id: cache-llvm-build | |
| name: Cache LLVM ${{ matrix.llvm-version }} build output | |
| uses: actions/cache@v4 | |
| with: | |
| path: ./llvm-src/build | |
| key: ${{ matrix.os }}-llvm-${{ matrix.llvm-version }}-build | |
| - id: build-llvm | |
| if: steps.cache-llvm-build.outputs.cache-hit != 'true' | |
| name: Build LLVM ${{ matrix.llvm-version }} | |
| working-directory: ./llvm-src | |
| # Use lld if on windows. It's not available otherwise it seems. | |
| run: | | |
| cmake -S llvm -B build -DCMAKE_INSTALL_PREFIX=../llvm-install -DCMAKE_BUILD_TYPE=Release ${{ matrix.os == 'windows-latest' && '-DLLVM_USE_LINKER=lld' }} | |
| # Cached LLVM installation. | |
| - id: cache-llvm-install | |
| name: Cache LLVM ${{ matrix.llvm-version }} installation output | |
| uses: actions/cache@v4 | |
| with: | |
| path: ./llvm-install | |
| key: ${{ matrix.os }}-llvm-${{ matrix.llvm-version }}-install | |
| - id: install-llvm | |
| name: Install LLVM ${{ matrix.llvm-version }} | |
| working-directory: ./llvm-src | |
| run: | | |
| cmake --build build --target llvm |