Add win-64 wheel builder GHA workflow

.github/workflows/llvmlite_win-64_wheel_builder.yml

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+name: llvmlite_win-64_wheel_builder
+
+on:
+  pull_request:
+    paths:
+      - .github/workflows/llvmlite_win-64_wheel_builder.yml
+  workflow_dispatch:
+    inputs:
+      llvmdev_run_id:
+        description: 'llvmdev workflow run ID (optional)'
+        required: false
+        type: string
+
+# Add concurrency control
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
+env:
+  LOCAL_LLVMDEV_ARTIFACT_PATH: D:/a/llvmlite/llvmlite/llvmdev_conda_packages
+  FALLBACK_LLVMDEV_VERSION: "15"
+  CONDA_CHANNEL_NUMBA: numba/label/win64_wheel
+  VALIDATION_PYTHON_VERSION: "3.12"
+  ARTIFACT_RETENTION_DAYS: 7
+
+jobs:
+  win-64-build:
+    name: win-64-build
+    runs-on: windows-2019
+    defaults:
+      run:
+        shell: bash -el {0}
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+      fail-fast: false
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+          conda-remove-defaults: true
+          auto-update-conda: true
+          auto-activate-base: true
+
+      - name: Download llvmdev Artifact
+        if: ${{ inputs.llvmdev_run_id != '' }}
+        uses: actions/download-artifact@v4
+        with:
+          name: llvmdev_win-64_conda
+          path: llvmdev_conda_packages
+          run-id: ${{ inputs.llvmdev_run_id }}
+          repository: ${{ github.repository }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install build dependencies
+        run: |
+          set -x
+          if [ "${{ inputs.llvmdev_run_id }}" != "" ]; then
+              CHAN="file:///${{ env.LOCAL_LLVMDEV_ARTIFACT_PATH }}"
+          else
+              CHAN="${{ env.CONDA_CHANNEL_NUMBA }}"
+          fi
+          conda install -c "$CHAN" llvmdev=${{ env.FALLBACK_LLVMDEV_VERSION }} cmake libxml2 python-build
+
+      - name: Build wheel
+        run: python -m build
+
+      - name: Upload llvmlite wheel
+        uses: actions/upload-artifact@v4
+        with:
+          name: llvmlite-win-64-py${{ matrix.python-version }}
+          path: dist/*.whl
+          compression-level: 0
+          retention-days: ${{ env.ARTIFACT_RETENTION_DAYS }}
+          if-no-files-found: error
+
+  win-64-validate:
+    name: win-64-validate
+    needs: win-64-build
+    runs-on: windows-2019
+    defaults:
+      run:
+        shell: bash -el {0}
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+      fail-fast: false
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+
+      - name: Setup Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: ${{ env.VALIDATION_PYTHON_VERSION }}
+          conda-remove-defaults: true
+          auto-update-conda: true
+          auto-activate-base: true
+
+      - name: Install validation dependencies
+        run: conda install -c defaults py-lief wheel twine keyring rfc3986
+
+      - name: Download llvmlite wheels
+        uses: actions/download-artifact@v4
+        with:
+          name: llvmlite-win-64-py${{ matrix.python-version }}
+          path: dist
+
+      - name: Validate wheels
+        run: |
+          cd dist
+          for WHL_FILE in *.whl; do
+            wheel unpack "$WHL_FILE"
+            python "$GITHUB_WORKSPACE"/buildscripts/github/validate_win64_wheel.py llvmlite/binding/llvmlite.dll
+            twine check "$WHL_FILE"
+          done
+
+  win-64-test:
+    name: win-64-test
+    needs: win-64-validate
+    runs-on: windows-2019
+    defaults:
+      run:
+        shell: bash -el {0}
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+      fail-fast: false
+
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Download llvmlite wheel
+        uses: actions/download-artifact@v4
+        with:
+          name: llvmlite-win-64-py${{ matrix.python-version }}
+          path: dist
+
+      - name: Install and test
+        run: |
+          pip install dist/*.whl
+          python -m llvmlite.tests

buildscripts/github/validate_win64_wheel.py

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+import lief
+import pathlib
+
+for path in pathlib.Path(".").rglob("**/*.dll"):
+    print("path", path)
+    dll = lief.PE.parse(str(path))
+
+    if hasattr(dll, "delay_imports"):
+        delay_imports = {x.name for x in dll.delay_imports}
+        print("Delay imports:", delay_imports)
+        expected_delay_imports = {"SHELL32.dll", "ole32.dll"}
+        assert (
+            delay_imports == expected_delay_imports
+        ), f"Unexpected delay imports: {delay_imports}"
+
+    imports = {x.name for x in dll.imports}
+    print("Regular imports:", imports)
+    expected_imports = {
+        "ADVAPI32.dll",
+        "KERNEL32.dll",
+        "MSVCP140.dll",
+        "VCRUNTIME140.dll",
+        "VCRUNTIME140_1.dll",
+        "api-ms-win-crt-convert-l1-1-0.dll",
+        "api-ms-win-crt-environment-l1-1-0.dll",
+        "api-ms-win-crt-heap-l1-1-0.dll",
+        "api-ms-win-crt-locale-l1-1-0.dll",
+        "api-ms-win-crt-math-l1-1-0.dll",
+        "api-ms-win-crt-runtime-l1-1-0.dll",
+        "api-ms-win-crt-stdio-l1-1-0.dll",
+        "api-ms-win-crt-string-l1-1-0.dll",
+        "api-ms-win-crt-time-l1-1-0.dll",
+        "api-ms-win-crt-utility-l1-1-0.dll",
+    }
+    assert imports == expected_imports, (
+        f"Unexpected imports: {imports - expected_imports}\n"
+        f"Missing imports: {expected_imports - imports}"
+    )