ur-build-offload.yml

name: UR - Build offload adapter

permissions: read-all

# Pre-container disk check: use ACTIONS_RUNNER_HOOK_JOB_STARTED on self-hosted
# runners — see devops/scripts/gha_runner_job_started_hook.sh
on: [ workflow_call, workflow_dispatch ]

jobs:
  offload_build:
    name: Build
    strategy:
      fail-fast: false
      matrix:
        build_type: [Release]
        compiler: [{c: gcc, cxx: g++}]

    runs-on: [ "Linux", "build" ]
    container:
      image: 'ghcr.io/intel/llvm/ubuntu2404_build'

    steps:
    - name: Checkout LLVM-project
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      with:
        repository: llvm/llvm-project
        persist-credentials: false
        path: llvm-project

    - name: Checkout LLVM
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      with:
        path: llvm
        persist-credentials: false

    - name: Configure llvm-project
      run: >
        cmake -S llvm-project/llvm -B llvm-project/build -G Ninja
        -DCMAKE_BUILD_TYPE=${{matrix.build_type}}
        -DLLVM_TARGETS_TO_BUILD='host;SPIRV;NVPTX'
        -DLLVM_ENABLE_PROJECTS='clang;clang-tools-extra;lldb;lld'
        -DLLVM_ENABLE_RUNTIMES='offload;openmp;libc'
        -DLIBOMPTARGET_PLUGINS_TO_BUILD="level_zero;cuda"
        -DLLVM_PARALLEL_LINK_JOBS=20
        -DLLVM_BUILD_TESTS=ON
        -DLLVM_INCLUDE_TESTS=on
        '-DLLVM_LIT_ARGS=-v -vv'
        -DCMAKE_INSTALL_PREFIX=./llvm-project-install


    - name: Build and install llvm-project
      run: ninja -C llvm-project/build -j $(($(nproc)/3)) install

    - name: Configure intel/llvm
      # ">" is used to avoid adding "\" at the end of each line; this command is quite long
      run: >
        python3 llvm/buildbot/configure.py
        --offload
        --cuda
        -t ${{matrix.build_type}}
        --liboffload-path=./llvm-project-install

    - name: Build intel/llvm
      # This is so that device binaries can find the sycl runtime library
      run: python3 llvm/buildbot/compile.py

    - name: Debug CI platform information
      if: ${{ always() }}
      run: ./llvm/devops/scripts/get_system_info.sh