[clang] [CIR][AArch64] Add lowering for `svlen` builtins (PR #172346)

Wed Dec 17 07:17:56 PST 2025

Andrzej =?utf-8?q?Warzyński?= <andrzej.warzynski at gmail.com>,
Andrzej =?utf-8?q?Warzyński?= <andrzej.warzynski at gmail.com>,
Andrzej =?utf-8?q?Warzyński?= <andrzej.warzynski at gmail.com>,Andrzej
 Warzynski <andrzej.warzynski at arm.com>,Andrzej Warzynski
 <andrzej.warzynski at arm.com>,Andrzej Warzynski <andrzej.warzynski at arm.com>,Andrzej
 Warzynski <andrzej.warzynski at arm.com>,Andrzej Warzynski
 <andrzej.warzynski at arm.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/172346 at github.com>

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-windows` running on `linaro-armv8-windows-msvc-05` while building `clang` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/141/builds/13772

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/bitset/TestDataFormatterGenericBitset.py (401 of 2388)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/atomic/TestDataFormatterStdAtomic.py (402 of 2388)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/chrono/TestDataFormatterStdChrono.py (403 of 2388)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/coroutine_handle/TestCoroutineHandle.py (404 of 2388)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/deque/TestDataFormatterGenericDeque.py (405 of 2388)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/function/TestDataFormatterStdFunction.py (406 of 2388)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/initializer_list/TestDataFormatterStdInitializerList.py (407 of 2388)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/iterator/TestDataFormatterStdIterator.py (408 of 2388)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/forward_list/TestDataFormatterGenericForwardList.py (409 of 2388)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/list/loop/TestDataFormatterGenericListLoop.py (410 of 2388)
FAIL: lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/list/TestDataFormatterGenericList.py (411 of 2388)
******************** TEST 'lldb-api :: functionalities/data-formatter/data-formatter-stl/generic/list/TestDataFormatterGenericList.py' FAILED ********************
Script:
--
C:/Users/tcwg/scoop/apps/python/current/python.exe C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/llvm-project/lldb\test\API\dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --env LLVM_INCLUDE_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/include --env LLVM_TOOLS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --arch aarch64 --build-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex --lldb-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-lldb\lldb-api --clang-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build.noindex/module-cache-clang\lldb-api --executable C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/lldb.exe --compiler C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/clang.exe --dsymutil C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/dsymutil.exe --make C:/Users/tcwg/scoop/shims/make.exe --llvm-tools-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --lldb-obj-root C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb --lldb-libs-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --cmake-build-type Release --skip-category=watchpoint C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\API\functionalities\data-formatter\data-formatter-stl\generic\list -p TestDataFormatterGenericList.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision 7149e05b7f010e6b1387106a0327545cf3fa9e4b)
  clang revision 7149e05b7f010e6b1387106a0327545cf3fa9e4b
  llvm revision 7149e05b7f010e6b1387106a0327545cf3fa9e4b
Skipping the following test categories: watchpoint, libc++, libstdcxx, dwo, dsym, gmodules, debugserver, objc, fork, pexpect

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libcpp_dsym (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libcpp_dsym) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libcpp_dwarf (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libcpp_dwarf) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libcpp_dwo (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libcpp_dwo) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libcpp_pdb (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libcpp_pdb) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libstdcpp_dsym (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libstdcpp_dsym) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libstdcpp_dwarf (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libstdcpp_dwarf) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libstdcpp_dwo (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libstdcpp_dwo) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_libstdcpp_pdb (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_libstdcpp_pdb) (test case does not fall in any category of interest for this run) 

UNSUPPORTED: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_msvcstl_dsym (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_msvcstl_dsym) (test case does not fall in any category of interest for this run) 

PASS: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_ptr_and_ref_msvcstl_dwarf (TestDataFormatterGenericList.GenericListDataFormatterTestCase.test_ptr_and_ref_msvcstl_dwarf)

```

</details>

https://github.com/llvm/llvm-project/pull/172346