clang-tidy.yml

name: check clang-tidy

permissions:
  contents: read

on:
  pull_request:

jobs:
  clang_tidy:
    runs-on: "ubuntu-latest"
    env:
      GH_TOKEN: ${{ github.token }}    

    steps:
    - name: Install OpenMP
      run: "sudo apt install -y libomp-dev opencl-c-headers"
      
    - name: Fetch sources
      uses: actions/checkout@v4
      with:
        path: 'graph-compiler'
        fetch-depth: 0
        submodules: true
        
    - name: Fetch code tidy utils
      uses: actions/checkout@v4
      with:
        repository: 'llvm/llvm-project'
        ref: 'main'
        sparse-checkout: |
          clang-tools-extra/clang-tidy/tool/run-clang-tidy.py
          mlir/python/requirements.txt
          mlir/.clang-tidy
        sparse-checkout-cone-mode: false
        path: llvm-project

    - name: Read llvm version and run id
      shell: bash
      run: |
        echo LLVM_HASH=$(cat graph-compiler/cmake/llvm-version.txt) >> $GITHUB_ENV

    - name: Fetch llvm artifact
      run: |
        gh run download \
          --repo ${{ github.repository }} \
          -n "llvm-${{ env.LLVM_HASH }}" \
          --dir llvm
        tar -zxf llvm/llvm.tgz
     
    - name: Unwrap pre-built llvm
      run: |
        cd llvm
        tar -zxf llvm.tgz

    - name: Get merge base
      run: |
        cd graph-compiler
        echo "MERGE_BASE=$(git merge-base ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }})" >> $GITHUB_ENV

    - name: Get changed files
      run: |
        cd graph-compiler
        echo "CHANGED_FILES=$(git diff --name-only --diff-filter=d $MERGE_BASE ${{ github.event.pull_request.head.sha }} | paste -sd' ')" >> $GITHUB_ENV
        
    - name: Prepare Environment
      shell: bash
      run: |
        python3 -m pip install -r llvm-project/mlir/python/requirements.txt
        python3 -m pip install lit
    
    - name: Prepare compile commands
      shell: bash
      run: |
        mkdir build
        cd build
        cmake ../graph-compiler \
          -DCMAKE_BUILD_TYPE=Release \
          -DMLIR_DIR=$(pwd)/../llvm/lib/cmake/mlir \
          -DCMAKE_EXPORT_COMPILE_COMMANDS=True \
          -DCMAKE_C_COMPILER=$(which clang) \
          -DCMAKE_CXX_COMPILER=$(which clang++) \
          -DLLVM_EXTERNAL_LIT=$(which lit) \
          -DDNNL_USE_CLANG_SANITIZER="Undefined"

    - name: Prepare inc file
      run: |
        cd build
        for f in $(find ./include -name Makefile); do
          set +e;
          targets=$(make -f $f help |grep IncGen); 
          if [[ $? -eq 0 ]]; then 
            set -e;
            for target in $targets; do
              cd ${f%Makefile} && make ${target#...} && cd -; 
            done
          fi ;
          set -e;
        done
        
    - name: Perform clang-tidy check
      shell: bash
      run: |
        cd build
        python3 ../llvm-project/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py -warnings-as-errors=* -p ./ -config-file ../llvm-project/mlir/.clang-tidy -clang-tidy-binary $(which clang-tidy-15) ${{ env.CHANGED_FILES }}