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CI: Add support for building NumPy with LLVM for Win-ARM64 #29215

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Merged
merged 6 commits into from
Jun 18, 2025
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CI: Add support for building NumPy with LLVM for Win-ARM64 #29215

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aea8869
CI: Add WoA validation setup to windows.yml
Mugundanmcw Jun 17, 2025
d8c4f2b
CI: Create action.yml for LLVM Win-ARM64 as reusable blocks
Mugundanmcw Jun 17, 2025
f02bb58
CI: Modify wheel.yml to use clang-cl for Win-ARM64
Mugundanmcw Jun 17, 2025
fb0dff6
CI: fix action.yml naming
Mugundanmcw Jun 17, 2025
f36c0da
CI: Fix reusable LLVM block
Mugundanmcw Jun 17, 2025
b6a6740
CI: Add conditions to check hash of LLVM package
Mugundanmcw Jun 18, 2025
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22 changes: 22 additions & 0 deletions .github/windows_arm64_steps/action.yml
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@@ -0,0 +1,22 @@
name: Build Dependencies(Win-ARM64)
description: "Setup LLVM for Win-ARM64 builds"

runs:
using: "composite"
steps:
- name: Install LLVM with checksum verification
shell: pwsh
run: |
Invoke-WebRequest https://github.com/llvm/llvm-project/releases/download/llvmorg-20.1.6/LLVM-20.1.6-woa64.exe -UseBasicParsing -OutFile LLVM-woa64.exe
$expectedHash = "92f69a1134e32e54b07d51c6e24d9594852f6476f32c3d70471ae00fffc2d462"
$fileHash = (Get-FileHash -Path "LLVM-woa64.exe" -Algorithm SHA256).Hash
if ($fileHash -ne $expectedHash) {
Write-Error "Checksum verification failed. The downloaded file may be corrupted or tampered with."
exit 1
}
Start-Process -FilePath ".\LLVM-woa64.exe" -ArgumentList "/S" -Wait
echo "C:\Program Files\LLVM\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
echo "CC=clang-cl" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
echo "CXX=clang-cl" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
echo "FC=flang-new" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
6 changes: 2 additions & 4 deletions .github/workflows/wheels.yml
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Expand Up @@ -127,11 +127,9 @@ jobs:
with:
architecture: 'x86'

- name: Setup MSVC arm64
- name: Setup LLVM for Windows ARM64
if: ${{ matrix.buildplat[1] == 'win_arm64' }}
uses: bus1/cabuild/action/msdevshell@e22aba57d6e74891d059d66501b6b5aed8123c4d # v1
with:
architecture: 'arm64'
uses: ./.github/windows_arm64_steps

- name: pkg-config-for-win
run: |
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73 changes: 73 additions & 0 deletions .github/workflows/windows.yml
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Expand Up @@ -85,6 +85,79 @@ jobs:
run: |
spin test -- --timeout=600 --durations=10

python64bit_openblas_winarm64:
name: arm64, LPARM64 OpenBLAS
runs-on: windows-11-arm
# To enable this job on a fork, comment out:
if: github.repository == 'numpy/numpy'
strategy:
fail-fast: false
matrix:
compiler-pyversion:
- ["MSVC", "3.11"]
- ["Clang-cl", "3.14t-dev"]

steps:
- name: Checkout
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
submodules: recursive
fetch-tags: true
persist-credentials: false

- name: Setup Python
uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
with:
python-version: ${{ matrix.compiler-pyversion[1] }}
architecture: arm64

- name: Setup MSVC
if: matrix.compiler-pyversion[0] == 'MSVC'
uses: bus1/cabuild/action/msdevshell@e22aba57d6e74891d059d66501b6b5aed8123c4d # v1
with:
architecture: arm64

- name: Install build dependencies from PyPI
run: |
pip install -r requirements/build_requirements.txt

- name: Install pkg-config
run: |
choco install -y --stoponfirstfailure --checksum 6004DF17818F5A6DBF19CB335CC92702 pkgconfiglite
echo "PKG_CONFIG_PATH=${{ github.workspace }}/.openblas" >> $env:GITHUB_ENV

- name: Install Clang-cl
if: matrix.compiler-pyversion[0] == 'Clang-cl'
uses: ./.github/windows_arm64_steps

- name: Install NumPy (MSVC)
if: matrix.compiler-pyversion[0] == 'MSVC'
run: |
pip install -r requirements/ci_requirements.txt
spin build --with-scipy-openblas=32 -j2 -- --vsenv

- name: Install NumPy (Clang-cl)
if: matrix.compiler-pyversion[0] == 'Clang-cl'
run: |
"[binaries]","c = 'clang-cl'","cpp = 'clang-cl'","ar = 'llvm-lib'","c_ld = 'lld-link'","cpp_ld = 'lld-link'" | Out-File $PWD/clang-cl-arm64.ini -Encoding ascii
pip install -r requirements/ci_requirements.txt
spin build --with-scipy-openblas=32 -j2 -- --vsenv --native-file=$PWD/clang-cl-arm64.ini

- name: Meson Log
shell: bash
if: ${{ failure() }}
run: |
cat build/meson-logs/meson-log.txt

- name: Install test dependencies
run: |
python -m pip install -r requirements/test_requirements.txt
python -m pip install threadpoolctl

- name: Run test suite
run: |
spin test -- --timeout=600 --durations=10

msvc_python_no_openblas:
name: MSVC, ${{ matrix.architecture }} Python , no BLAS
runs-on: ${{ matrix.os }}
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