Merge remote-tracking branch 'upstream/main' into dev

# Conflicts:
#	.github/workflows/clang-tests.yml
#	.github/workflows/issue-release-workflow.yml
#	.github/workflows/issue-subscriber.yml
#	.github/workflows/libclc-tests.yml
#	.github/workflows/lld-tests.yml
#	.github/workflows/lldb-tests.yml
#	.github/workflows/llvm-project-tests.yml
#	.github/workflows/llvm-tests.yml
#	.github/workflows/new-issues.yml
#	.github/workflows/release-binaries.yml
#	.github/workflows/release-tasks.yml
#	.github/workflows/sync-release-repo.yml
#	.github/workflows/version-check.yml
#	clang/lib/CodeGen/BackendUtil.cpp

Author: gmh5225

.ci/generate-buildkite-pipeline-premerge

@@ -238,9 +238,9 @@ if [[ "${linux_projects}" != "" ]]; then
   cat <<EOF
 - label: ':linux: Linux x64'
   artifact_paths:
-  - artifacts/**/*
+  - 'artifacts/**/*'
   - '*_result.json'
-  - 'build/monolithic-linux/test-results.xml'
+  - 'build/test-results.xml'
   agents: ${LINUX_AGENTS}
   retry:
     automatic:
@@ -261,9 +261,9 @@ if [[ "${windows_projects}" != "" ]]; then
   cat <<EOF
 - label: ':windows: Windows x64'
   artifact_paths:
-  - artifacts/**/*
+  - 'artifacts/**/*'
   - '*_result.json'
-  - 'build/monolithic-windows/test-results.xml'
+  - 'build/test-results.xml'
   agents: ${WINDOWS_AGENTS}
   retry:
     automatic:
@@ -290,7 +290,7 @@ if [[ -n "${ph_target_phid:-}" ]]; then
 - label: ':phabricator: update build status on Phabricator'
   agents: ${SERVICE_AGENTS}
   artifact_paths:
-  - artifacts/**/*
+  - 'artifacts/**/*'
   commands:
   - export SRC=\$\${BUILDKITE_BUILD_PATH}/llvm-premerge-checks
   - rm -rf \$\${SRC}

.ci/generate-buildkite-pipeline-scheduled

@@ -14,6 +14,18 @@
 # See https://buildkite.com/docs/agent/v3/cli-pipeline#pipeline-format.
 #
 
+set -eu
+set -o pipefail
+
+# Filter rules for generic windows tests
+: ${WINDOWS_AGENTS:='{"queue": "windows"}'}
+# Filter rules for generic linux tests
+: ${LINUX_AGENTS:='{"queue": "linux"}'}
+# Set by buildkite
+: ${BUILDKITE_MESSAGE:=}
+: ${BUILDKITE_COMMIT:=}
+: ${BUILDKITE_BRANCH:=}
+
 cat <<EOF
 steps:
   - trigger: "libcxx-ci"
@@ -28,42 +40,42 @@ steps:
       commit: "${BUILDKITE_COMMIT}"
       branch: "${BUILDKITE_BRANCH}"
 
-  - label: ':linux: x64 Debian'
+  - label: ':linux: Linux x64'
     artifact_paths:
-      - '*_result.json'
-      - 'build/monolithic-linux/test-results.xml'
-    agents:
-      queue: 'linux'
+    - 'artifacts/**/*'
+    - '*_result.json'
+    - 'build/test-results.xml'
+    agents: ${LINUX_AGENTS}
     retry:
       automatic:
         - exit_status: -1  # Agent was lost
           limit: 2
-        - exit_status: 255
-          limit: 2 # Forced agent shutdown
+        - exit_status: 255 # Forced agent shutdown
+          limit: 2
     timeout_in_minutes: 120
     env:
       CC: 'clang'
       CXX: 'clang++'
     commands:
-      - './.ci/monolithic-linux.sh "bolt;clang-tools-extra;compiler-rt;flang;libc;libclc;lld;llvm;mlir;polly;pstl" "check-all"'
+    - ./.ci/monolithic-linux.sh "bolt;clang;clang-tools-extra;compiler-rt;flang;libc;libclc;lld;llvm;mlir;polly;pstl" "check-all"
 
-  - label: ':windows: x64 Windows'
+  - label: ':windows: Windows x64'
     artifact_paths:
-      - '*_result.json'
-      - 'build/monolithic-windows/test-results.xml'
-    agents:
-      queue: 'windows'
+    - 'artifacts/**/*'
+    - '*_result.json'
+    - 'build/test-results.xml'
+    agents: ${WINDOWS_AGENTS}
     retry:
       automatic:
         - exit_status: -1  # Agent was lost
           limit: 2
-        - exit_status: 255
-          limit: 2 # Forced agent shutdown
+        - exit_status: 255 # Forced agent shutdown
+          limit: 2
     timeout_in_minutes: 150
     env:
       CC: 'cl'
       CXX: 'cl'
       LD: 'link'
     commands:
-      - 'C:\\BuildTools\\Common7\\Tools\\VsDevCmd.bat -arch=amd64 -host_arch=amd64'
-      - 'bash .ci/monolithic-windows.sh "clang-tools-extra;flang;libclc;lld;llvm;mlir;polly;pstl" "check-all"'
+    - C:\\BuildTools\\Common7\\Tools\\VsDevCmd.bat -arch=amd64 -host_arch=amd64
+    - bash .ci/monolithic-windows.sh "clang;clang-tools-extra;flang;libclc;lld;llvm;mlir;polly;pstl" "check-all"

.ci/monolithic-linux.sh

@@ -17,14 +17,19 @@ set -ex
 set -o pipefail
 
 MONOREPO_ROOT="${MONOREPO_ROOT:="$(git rev-parse --show-toplevel)"}"
-BUILD_DIR="${BUILD_DIR:=${MONOREPO_ROOT}/build/monolithic-linux}"
-
+BUILD_DIR="${BUILD_DIR:=${MONOREPO_ROOT}/build}"
 rm -rf ${BUILD_DIR}
 
 ccache --zero-stats
-ccache --show-config
+
+if [[ -n "${CLEAR_CACHE:-}" ]]; then
+  echo "clearing cache"
+  ccache --clear
+fi
+
 function show-stats {
-  ccache --print-stats
+  mkdir -p artifacts
+  ccache --print-stats > artifacts/ccache_stats.txt
 }
 trap show-stats EXIT
 
@@ -47,4 +52,5 @@ cmake -S ${MONOREPO_ROOT}/llvm -B ${BUILD_DIR} \
       -D LLVM_CCACHE_BUILD=ON
 
 echo "--- ninja"
-ninja -C ${BUILD_DIR} ${targets}
+# Targets are not escaped as they are passed as separate arguments.
+ninja -C "${BUILD_DIR}" ${targets}

.ci/monolithic-windows.sh

@@ -17,13 +17,19 @@ set -ex
 set -o pipefail
 
 MONOREPO_ROOT="${MONOREPO_ROOT:="$(git rev-parse --show-toplevel)"}"
-BUILD_DIR="${BUILD_DIR:=${MONOREPO_ROOT}/build/monolithic-windows}"
+BUILD_DIR="${BUILD_DIR:=${MONOREPO_ROOT}/build}"
 
 rm -rf ${BUILD_DIR}
 
+if [[ -n "${CLEAR_CACHE:-}" ]]; then
+  echo "clearing sccache"
+  rm -rf "$SCCACHE_DIR"
+fi
+
 sccache --zero-stats
 function show-stats {
-  sccache --show-stats
+  mkdir -p artifacts
+  sccache --show-stats >> artifacts/sccache_stats.txt
 }
 trap show-stats EXIT
 
@@ -45,4 +51,5 @@ cmake -S ${MONOREPO_ROOT}/llvm -B ${BUILD_DIR} \
       -D CMAKE_CXX_COMPILER_LAUNCHER=sccache
 
 echo "--- ninja"
-ninja -C ${BUILD_DIR} ${targets}
+# Targets are not escaped as they are passed as separate arguments.
+ninja -C "${BUILD_DIR}" ${targets}