ci.yml

name: CI

on:
  push:
    branches:
      - main
      - master
  pull_request:

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 10.0.x

      - name: Restore
        run: dotnet restore MLIR.slnx

      - name: Build
        run: dotnet build MLIR.slnx --configuration Release --no-restore

      - name: Test
        run: dotnet test MLIR.slnx --configuration Release --no-build

      - name: Run head benchmarks
        run: dotnet run --project tools/TableGen.Benchmarks/TableGen.Benchmarks.csproj -c Release --no-build -- run --output artifacts/benchmarks/head.json --warmup-duration-ms 250 --duration-ms 1000

      - name: Benchmark summary
        if: github.event_name != 'pull_request'
        run: |
          {
            echo "## TableGen Interpreter Benchmarks"
            echo
            echo "Head benchmark results were written to \`artifacts/benchmarks/head.json\`."
          } >> "$GITHUB_STEP_SUMMARY"

      - name: Run base benchmarks
        if: github.event_name == 'pull_request'
        run: |
          git worktree add /tmp/mlir-base "${{ github.event.pull_request.base.sha }}"
          dotnet run --project /tmp/mlir-base/tools/TableGen.Benchmarks/TableGen.Benchmarks.csproj -c Release -- run --output /tmp/mlir-base/artifacts/benchmarks/base.json --warmup-duration-ms 250 --duration-ms 1000

      - name: Compare benchmark results
        if: github.event_name == 'pull_request'
        run: |
          dotnet run --project tools/TableGen.Benchmarks/TableGen.Benchmarks.csproj -c Release --no-build -- compare --baseline /tmp/mlir-base/artifacts/benchmarks/base.json --candidate artifacts/benchmarks/head.json --output artifacts/benchmarks/compare.md
          cat artifacts/benchmarks/compare.md >> "$GITHUB_STEP_SUMMARY"

      - name: Publish sticky benchmark PR comment
        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: tablegen-benchmarks
          path: artifacts/benchmarks/compare.md
          recreate: true

      - name: Upload benchmark artifacts
        uses: actions/upload-artifact@v4
        with:
          name: tablegen-benchmarks
          if-no-files-found: ignore
          path: |
            artifacts/benchmarks/head.json
            artifacts/benchmarks/compare.md