llvm-project/.ci/generate-buildkite-pipeline-premerge
Aiden Grossman 280c7d7198
[CI] Increase Configurability of Monolithic Windows Build (#124328)
This patch makes it so that the caller of monolithic-windows.sh can set
the maximum number of parallel compile/link jobs in an environment
variable rather than manually specifying it inside of the CMake.
Additionally, the env variable definitions for CC, CXX, and LD are sunk
into the shell script due to those config options being pretty inherent
to what the pipeline is testing.

This is intended to make things more flexible/useable for the new
premerge CI pipeline, particularly as we are looking at using larger
runners and want the increased flexibility to experiment.
2025-01-24 15:37:36 -08:00

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#!/usr/bin/env bash
#===----------------------------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===----------------------------------------------------------------------===##
#
# This file generates a Buildkite pipeline that triggers the various CI jobs for
# the LLVM project during pre-commit CI.
#
# See https://buildkite.com/docs/agent/v3/cli-pipeline#pipeline-format.
#
# As this outputs a yaml file, it's possible to log messages to stderr or
# prefix with "#".
set -eu
set -o pipefail
# Environment variables script works with:
# Set by buildkite
: ${BUILDKITE_PULL_REQUEST_BASE_BRANCH:=}
: ${BUILDKITE_COMMIT:=}
: ${BUILDKITE_BRANCH:=}
# Fetch origin to have an up to date merge base for the diff.
git fetch origin
# List of files affected by this commit
: ${MODIFIED_FILES:=$(git diff --name-only origin/${BUILDKITE_PULL_REQUEST_BASE_BRANCH}...HEAD)}
# Filter rules for generic windows tests
: ${WINDOWS_AGENTS:='{"queue": "windows"}'}
# Filter rules for generic linux tests
: ${LINUX_AGENTS:='{"queue": "linux"}'}
reviewID="$(git log --format=%B -n 1 | sed -nE 's/^Review-ID:[[:space:]]*(.+)$/\1/p')"
if [[ "${reviewID}" != "" ]]; then
buildMessage="https://llvm.org/${reviewID}"
else
buildMessage="Push to branch ${BUILDKITE_BRANCH}"
fi
cat <<EOF
steps:
EOF
echo "Files modified:" >&2
echo "$MODIFIED_FILES" >&2
modified_dirs=$(echo "$MODIFIED_FILES" | cut -d'/' -f1 | sort -u)
echo "Directories modified:" >&2
echo "$modified_dirs" >&2
. ./.ci/compute-projects.sh
# Project specific pipelines.
# If libc++ or one of the runtimes directories changed.
if echo "$modified_dirs" | grep -q -E "^(libcxx|libcxxabi|libunwind|runtimes|cmake)$"; then
cat <<EOF
- trigger: "libcxx-ci"
build:
message: "${buildMessage}"
commit: "${BUILDKITE_COMMIT}"
branch: "${BUILDKITE_BRANCH}"
EOF
fi
# Generic pipeline for projects that have not defined custom steps.
#
# Individual projects should instead define the pre-commit CI tests that suits their
# needs while letting them run on the infrastructure provided by LLVM.
# Figure out which projects need to be built on each platform
all_projects="bolt clang clang-tools-extra compiler-rt cross-project-tests flang libc libclc lld lldb llvm mlir openmp polly pstl"
modified_projects="$(keep-modified-projects ${all_projects})"
linux_projects_to_test=$(exclude-linux $(compute-projects-to-test 0 ${modified_projects}))
linux_check_targets=$(check-targets ${linux_projects_to_test} | sort | uniq)
linux_projects=$(add-dependencies ${linux_projects_to_test} | sort | uniq)
linux_runtimes_to_test=$(compute-runtimes-to-test ${linux_projects_to_test})
linux_runtime_check_targets=$(check-targets ${linux_runtimes_to_test} | sort | uniq)
linux_runtimes=$(echo ${linux_runtimes_to_test} | sort | uniq)
windows_projects_to_test=$(exclude-windows $(compute-projects-to-test 1 ${modified_projects}))
windows_check_targets=$(check-targets ${windows_projects_to_test} | sort | uniq)
windows_projects=$(add-dependencies ${windows_projects_to_test} | sort | uniq)
# Generate the appropriate pipeline
if [[ "${linux_projects}" != "" ]]; then
cat <<EOF
- label: ':linux: Linux x64'
artifact_paths:
- 'artifacts/**/*'
- '*_result.json'
- 'build/test-results.*.xml'
agents: ${LINUX_AGENTS}
retry:
automatic:
- exit_status: -1 # Agent was lost
limit: 2
- exit_status: 255 # Forced agent shutdown
limit: 2
timeout_in_minutes: 120
env:
CC: 'clang'
CXX: 'clang++'
commands:
- './.ci/monolithic-linux.sh "$(echo ${linux_projects} | tr ' ' ';')" "$(echo ${linux_check_targets})" "$(echo ${linux_runtimes} | tr ' ' ';')" "$(echo ${linux_runtime_check_targets})"'
EOF
fi
if [[ "${windows_projects}" != "" ]]; then
cat <<EOF
- label: ':windows: Windows x64'
artifact_paths:
- 'artifacts/**/*'
- '*_result.json'
- 'build/test-results.*.xml'
agents: ${WINDOWS_AGENTS}
retry:
automatic:
- exit_status: -1 # Agent was lost
limit: 2
- exit_status: 255 # Forced agent shutdown
limit: 2
timeout_in_minutes: 150
env:
MAX_PARALLEL_COMPILE_JOBS: '16'
MAX_PARALLEL_LINK_JOBS: '4'
commands:
- 'C:\\BuildTools\\Common7\\Tools\\VsDevCmd.bat -arch=amd64 -host_arch=amd64'
- 'bash .ci/monolithic-windows.sh "$(echo ${windows_projects} | tr ' ' ';')" "$(echo ${windows_check_targets})"'
EOF
fi