Readd Linux

Author: boomanaiden154

.github/workflows/premerge.yaml

@@ -12,6 +12,65 @@ on:
       - 'main'
 
 jobs:
+  premerge-checks-linux:
+    if: github.repository_owner == 'llvm'
+    runs-on: llvm-premerge-linux-runners
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+      cancel-in-progress: true
+    steps:
+      - name: Checkout LLVM
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - name: Setup ccache
+        uses: hendrikmuhs/[email protected]
+        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 ${linux_runtime_check_targets})"
+
   premerge-checks-windows:
     if: github.repository_owner == 'llvm'
     runs-on: llvm-premerge-windows-runners
@@ -59,6 +118,12 @@ jobs:
           echo "windows-projects=${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
         shell: cmd
         run: |
           set MAX_PARALLEL_COMPILE_JOBS=64

llvm/CMakeLists.txt

@@ -1,5 +1,4 @@
 # See docs/CMake.html for instructions about how to build LLVM with CMake.
-# comment
 cmake_minimum_required(VERSION 3.20.0)
 
 include(CMakeDependentOption)