Ci plugin

.ci/generate-buildkite-pipeline-premerge

@@ -269,10 +269,11 @@ windows_projects=$(add-dependencies ${windows_projects_to_test} | sort | uniq)
 if [[ "${linux_projects}" != "" ]]; then
   cat <<EOF
 - label: ':linux: Linux x64'
+  key: "test-linux"
   artifact_paths:
   - 'artifacts/**/*'
   - '*_result.json'
-  - 'build/test-results.xml'
+  - 'build/test-results-linux*.xml'
   agents: ${LINUX_AGENTS}
   retry:
     automatic:
@@ -286,16 +287,25 @@ if [[ "${linux_projects}" != "" ]]; then
     CXX: 'clang++'
   commands:
   - './.ci/monolithic-linux.sh "$(echo ${linux_projects} | tr ' ' ';')" "$(echo ${linux_check_targets})" "$(echo ${linux_runtimes} | tr ' ' ';')" "$(echo ${linux_runtime_check_targets})"'
+- label: ':linux: Report Linux x64 Test Results'
+  plugins:
+    - junit-annotate#v2.5.0:
+        artifacts: build/test-results-linux*.xml
+        context: "linux-test-results"
+  depends_on: "test-linux"
+  allow_dependency_failure: true
+  agents: ${LINUX_AGENTS}
 EOF
 fi
 
 if [[ "${windows_projects}" != "" ]]; then
   cat <<EOF
 - label: ':windows: Windows x64'
+  key: "test-windows"
   artifact_paths:
   - 'artifacts/**/*'
   - '*_result.json'
-  - 'build/test-results.xml'
+  - 'build/test-results-windows*.xml'
   agents: ${WINDOWS_AGENTS}
   retry:
     automatic:
@@ -311,5 +321,13 @@ if [[ "${windows_projects}" != "" ]]; then
   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})"'
+- label: ':windows: Report Windows x64 Test Results'
+  plugins:
+    - junit-annotate#v2.5.0:
+        artifacts: build\test-results-windows*.xml
+        context: "windows-test-results"
+  depends_on: "test-windows"
+  allow_dependency_failure: true
+  agents: ${LINUX_AGENTS}
 EOF
 fi

.ci/monolithic-linux.sh

@@ -37,6 +37,8 @@ trap show-stats EXIT
 projects="${1}"
 targets="${2}"
 
+lit_args="-v --xunit-xml-output ${BUILD_DIR}/test-results-linux.xml --use-unique-output-file-name --timeout=1200 --time-tests"
+
 echo "--- cmake"
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
 pip install -q -r "${MONOREPO_ROOT}"/lldb/test/requirements.txt
@@ -47,7 +49,7 @@ cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
       -D LLVM_ENABLE_ASSERTIONS=ON \
       -D LLVM_BUILD_EXAMPLES=ON \
       -D COMPILER_RT_BUILD_LIBFUZZER=OFF \
-      -D LLVM_LIT_ARGS="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --timeout=1200 --time-tests" \
+      -D LLVM_LIT_ARGS="${lit_args}" \
       -D LLVM_ENABLE_LLD=ON \
       -D CMAKE_CXX_FLAGS=-gmlt \
       -D LLVM_CCACHE_BUILD=ON \
@@ -87,7 +89,8 @@ if [[ "${runtimes}" != "" ]]; then
       -D CMAKE_BUILD_TYPE=RelWithDebInfo \
       -D CMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
       -D LIBCXX_TEST_PARAMS="std=c++03" \
-      -D LIBCXXABI_TEST_PARAMS="std=c++03"
+      -D LIBCXXABI_TEST_PARAMS="std=c++03" \
+      -D LLVM_LIT_ARGS="${lit_args}"
 
   echo "--- ninja runtimes C++03"
 
@@ -104,7 +107,8 @@ if [[ "${runtimes}" != "" ]]; then
       -D CMAKE_BUILD_TYPE=RelWithDebInfo \
       -D CMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
       -D LIBCXX_TEST_PARAMS="std=c++26" \
-      -D LIBCXXABI_TEST_PARAMS="std=c++26"
+      -D LIBCXXABI_TEST_PARAMS="std=c++26" \
+      -D LLVM_LIT_ARGS="${lit_args}"
 
   echo "--- ninja runtimes C++26"
 
@@ -121,7 +125,8 @@ if [[ "${runtimes}" != "" ]]; then
       -D CMAKE_BUILD_TYPE=RelWithDebInfo \
       -D CMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
       -D LIBCXX_TEST_PARAMS="enable_modules=clang" \
-      -D LIBCXXABI_TEST_PARAMS="enable_modules=clang"
+      -D LIBCXXABI_TEST_PARAMS="enable_modules=clang" \
+      -D LLVM_LIT_ARGS="${lit_args}"
 
   echo "--- ninja runtimes clang modules"
 

.ci/monolithic-windows.sh

@@ -53,7 +53,7 @@ cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
       -D LLVM_ENABLE_ASSERTIONS=ON \
       -D LLVM_BUILD_EXAMPLES=ON \
       -D COMPILER_RT_BUILD_LIBFUZZER=OFF \
-      -D LLVM_LIT_ARGS="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --timeout=1200 --time-tests" \
+      -D LLVM_LIT_ARGS="-v --xunit-xml-output ${BUILD_DIR}/test-results-windows.xml --use-unique-output-file-name --timeout=1200 --time-tests" \
       -D COMPILER_RT_BUILD_ORC=OFF \
       -D CMAKE_C_COMPILER_LAUNCHER=sccache \
       -D CMAKE_CXX_COMPILER_LAUNCHER=sccache \

clang/README.md

@@ -23,3 +23,5 @@ If you're interested in more (including how to build Clang) it is best to read t
 * If you find a bug in Clang, please file it in the LLVM bug tracker:
 
     https://github.com/llvm/llvm-project/issues
+
+Test line.

clang/test/Sema/asm.c

@@ -15,7 +15,7 @@ void f(void) {
   asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}}
 
   asm ("foo\n" : : "" (i)); // expected-error {{invalid input constraint '' in asm}}
-  asm ("foo\n" : "=a" (i) : "" (i)); // expected-error {{invalid input constraint '' in asm}}
+  asm ("foo\n" : "=a" (i) : "" (i)); // expected-error {{this will fail}}
 }
 
 void clobbers(void) {

llvm/README.txt

@@ -15,3 +15,5 @@ documentation setup.
 
 If you are writing a package for LLVM, see docs/Packaging.rst for our
 suggestions.
+
+Test line.

llvm/test/MC/AArch64/label-arithmetic-diags-elf.s

@@ -85,3 +85,4 @@ end_across_sec:
   // CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: Cannot represent a difference across sections
   // CHECK-NEXT: cmp w0, #(sec_y - sec_x)
   // CHECK-NEXT: ^
+  // CHECK-NEXT: this will fail