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premerge.yaml
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name: LLVM Premerge Checks
permissions:
contents: read
on:
pull_request:
types:
- opened
- synchronize
- reopened
# When a PR is closed, we still start this workflow, but then skip
# all the jobs, which makes it effectively a no-op. The reason to
# do this is that it allows us to take advantage of concurrency groups
# to cancel in progress CI jobs whenever the PR is closed.
- closed
push:
branches:
- 'main'
- 'release/**'
concurrency:
group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
cancel-in-progress: true
jobs:
premerge-checks-linux:
name: Linux Premerge Checks (Test Only - Please Ignore Results)
if: >-
github.repository_owner == 'llvm' &&
(github.event_name != 'pull_request' || github.event.action != 'closed')
runs-on: llvm-premerge-linux-runners
steps:
- name: Checkout LLVM
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
fetch-depth: 2
- name: Setup ccache
uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
with:
max-size: "2000M"
- name: Build and Test
# Mark the job as a success even if the step fails so that people do
# not get notified while the new premerge pipeline is in an
# experimental state.
# TODO(boomanaiden154): Remove this once the pipeline is stable and we
# are ready for people to start recieving notifications.
continue-on-error: true
run: |
git config --global --add safe.directory '*'
modified_files=$(git diff --name-only HEAD~1...HEAD)
modified_dirs=$(echo "$modified_files" | cut -d'/' -f1 | sort -u)
echo $modified_files
echo $modified_dirs
. ./.ci/compute-projects.sh
all_projects="bolt clang clang-tools-extra compiler-rt cross-project-tests flang libc libclc lld lldb llvm mlir openmp polly pstl"
modified_projects="$(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 ${linux_runtimes_to_test} | sort | uniq)
if [[ "${linux_projects}" == "" ]]; then
echo "No projects to build"
exit 0
fi
echo "Building projects: ${linux_projects}"
echo "Running project checks targets: ${linux_check_targets}"
echo "Building runtimes: ${linux_runtimes}"
echo "Running runtimes checks targets: ${linux_runtime_check_targets}"
export CC=/opt/llvm/bin/clang
export CXX=/opt/llvm/bin/clang++
./.ci/monolithic-linux.sh "$(echo ${linux_projects} | tr ' ' ';')" "$(echo ${linux_check_targets})" "$(echo ${linux_runtimes} | tr ' ' ';')" "$(echo ${linux_runtime_check_targets})"
premerge-checks-windows:
name: Windows Premerge Checks (Test Only - Please Ignore Results)
if: >-
github.repository_owner == 'llvm' &&
(github.event_name != 'pull_request' || github.event.action != 'closed')
runs-on: llvm-premerge-windows-runners
defaults:
run:
shell: bash
steps:
- name: Checkout LLVM
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
fetch-depth: 2
- name: Setup ccache
uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
with:
variant: "sccache"
max-size: "2000M"
- name: Compute Projects
id: vars
run: |
modified_files=$(git diff --name-only HEAD~1...HEAD)
modified_dirs=$(echo "$modified_files" | cut -d'/' -f1 | sort | uniq)
echo $modified_files
echo $modified_dirs
. ./.ci/compute-projects.sh
all_projects="bolt clang clang-tools-extra compiler-rt cross-project-tests flang libc libclc lld lldb llvm mlir openmp polly pstl"
modified_projects="$(keep-modified-projects ${all_projects})"
windows_projects_to_test=$(exclude-windows $(compute-projects-to-test 1 ${modified_projects}))
windows_check_targets=$(check-targets ${windows_projects_to_test} | sort | uniq | tr -d '\r' | tr '\n' ' ')
windows_projects=$(add-dependencies ${windows_projects_to_test} | sort | uniq | tr -d '\r' | tr '\n' ';')
if [[ "${windows_projects}" == "" ]]; then
echo "No projects to build"
fi
echo "Building projects: ${windows_projects}"
echo "Running project checks targets: ${windows_check_targets}"
echo "windows-projects=${windows_projects}" >> $GITHUB_OUTPUT
echo "windows-check-targets=${windows_check_targets}" >> $GITHUB_OUTPUT
- name: Build and Test
# Mark the job as a success even if the step fails so that people do
# not get notified while the new premerge pipeline is in an
# experimental state.
# TODO(boomanaiden154): Remove this once the pipeline is stable and we
# are ready for people to start recieving notifications.
continue-on-error: true
if: ${{ steps.vars.outputs.windows-projects != '' }}
shell: cmd
run: |
set MAX_PARALLEL_COMPILE_JOBS=64
set MAX_PARALLEL_LINK_JOBS=64
call C:\\BuildTools\\Common7\\Tools\\VsDevCmd.bat -arch=amd64 -host_arch=amd64
bash .ci/monolithic-windows.sh "${{ steps.vars.outputs.windows-projects }}" "${{ steps.vars.outputs.windows-check-targets }}"
premerge-check-macos:
name: MacOS Premerge Checks
runs-on: macos-14
if: >-
github.repository_owner == 'llvm' &&
(startswith(github.ref_name, 'release/') ||
startswith(github.base_ref, 'release/')) &&
(github.event_name != 'pull_request' || github.event.action != 'closed')
steps:
- name: Checkout LLVM
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
fetch-depth: 2
- name: Setup ccache
uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
with:
max-size: "2000M"
- name: Install Ninja
uses: llvm/actions/install-ninja@main
- name: Build and Test
run: |
modified_files=$(git diff --name-only HEAD~1...HEAD)
modified_dirs=$(echo "$modified_files" | cut -d'/' -f1 | sort -u)
echo $modified_files
echo $modified_dirs
. ./.ci/compute-projects.sh
all_projects="clang clang-tools-extra lld lldb llvm mlir"
modified_projects="$(keep-modified-projects ${all_projects})"
# We have to disable the runtimes builds due to https://github.com/llvm/llvm-project/issues/90568
# and the lldb tests depend on libcxx, so we need to skip them.
mac_check_targets=$(check-targets ${modified_projects} | sort | uniq | tr '\n' ' ' | sed -e 's/check-lldb //g')
mac_projects=$(add-dependencies ${modified_projects} | sort | uniq | tr '\n' ' ')
mac_runtimes_to_test=$(compute-runtimes-to-test ${modified_projects})
mac_runtime_check_targets=$(check-targets ${mac_runtimes_to_test} | sort | uniq | tr '\n' ' ')
mac_runtimes=$(echo ${mac_runtimes_to_test} | tr ' ' '\n' | sort | uniq | tr '\n' ' ')
if [[ "${mac_projects}" == "" ]]; then
echo "No projects to build"
exit 0
fi
echo "Projects to test: ${modified_projects}"
echo "Runtimes to test: ${mac_runtimes_to_test}"
echo "Building projects: ${mac_projects}"
echo "Running project checks targets: ${mac_check_targets}"
echo "Building runtimes: ${mac_runtimes}"
echo "Running runtimes checks targets: ${mac_runtime_check_targets}"
# -DLLVM_DISABLE_ASSEMBLY_FILES=ON is for
# https://github.com/llvm/llvm-project/issues/81967
# Disable sharding in lit so that the LIT_XFAIL environment var works.
cmake -G Ninja \
-B build \
-S llvm \
-DLLVM_ENABLE_PROJECTS="$(echo ${mac_projects} | tr ' ' ';')" \
-DLLVM_DISABLE_ASSEMBLY_FILES=ON \
-DCMAKE_BUILD_TYPE=Release \
-DLLDB_INCLUDE_TESTS=OFF \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DCMAKE_C_COMPILER_LAUNCHER=ccache \
-DCMAKE_CXX_COMPILER_LAUNCHER=ccache
# The libcxx tests fail, so we are skipping the runtime targets.
ninja -C build $mac_check_targets