silicon/.github/workflows/native.yml at main · natescode/silicon · GitHub

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name: Native Backend (Linux x86-64)

# Opt into Node 24 for JS actions ahead of the 2026-06-16 forced cutoff
# (actions/checkout, upload-artifact, configure-pages still ship Node 20).
env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"

on:
  push:
    branches: [main]
    paths:
      - 'compiler/src/codegen/qbe/**'
      - 'cli/src/sigil_cli.ts'
      - '.github/workflows/native.yml'
  pull_request:
    branches: [main]
    paths:
      - 'compiler/src/codegen/qbe/**'
      - 'cli/src/sigil_cli.ts'
      - '.github/workflows/native.yml'

jobs:
  native-linux-x64:
    name: QBE native backend — Linux x86-64
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Install GCC + build QBE 1.2
        # qbe isn't in Ubuntu apt and upstream c9x.me removed its release
        # tarballs (its git is dumb-HTTP-only). Build the pinned 1.2 from
        # Debian's permanently archived orig tarball, verified by sha256.
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y gcc make xz-utils
          curl -fsSL --retry 3 -o /tmp/qbe.tar.xz \
            https://deb.debian.org/debian/pool/main/q/qbe/qbe_1.2.orig.tar.xz
          echo "a6d50eb952525a234bf76ba151861f73b7a382ac952d985f2b9af1df5368225d  /tmp/qbe.tar.xz" | sha256sum -c -
          mkdir -p /tmp/qbe && tar xf /tmp/qbe.tar.xz -C /tmp/qbe --strip-components=1
          make -C /tmp/qbe -j4
          sudo make -C /tmp/qbe install

      - name: Verify toolchain
        run: |
          qbe -h 2>&1 | head -3 || true
          gcc --version | head -1
          cc --version  | head -1

      # Run the full QBE test suite: unit tests + linker tests + native e2e
      # The integration tests that previously skipped will now run with qbe+gcc available.
      - name: Run QBE tests (unit + integration + e2e)
        working-directory: compiler
        run: bun run test:qbe

      # Smoke-test the sgl CLI's --native flag end-to-end.
      # sgl run --native propagates the program's exit code, so we capture it explicitly.
      - name: sgl run --native smoke test (exit 0)
        run: |
          echo '@fn main := 0;' > /tmp/smoke_zero.si
          bun run cli/src/sigil_cli.ts run --native /tmp/smoke_zero.si
          echo "Exit code: $?"

      - name: sgl run --native smoke test (exit 42 — expect failure captured)
        run: |
          echo '@fn main := 42;' > /tmp/smoke42.si
          bun run cli/src/sigil_cli.ts run --native /tmp/smoke42.si || code=$?
          echo "Program exited with code ${code:-0}"
          [ "${code:-0}" -eq 42 ] && echo "PASS: got expected exit code 42"

      - name: sgl build --native smoke test
        run: |
          echo '@fn main := 0;' > /tmp/arith.si
          bun run cli/src/sigil_cli.ts build --native /tmp/arith.si
          # defaultExePath strips the directory; the executable lands in the cwd as ./arith
          ./arith
          echo "Exit code from ./arith: $?"