[libc-commits] [libc] [llvm] [LoongArch] Support ISD::SET_ROUNDING (llvm.set.rounding) (PR #205051)

Mon Jun 22 04:17:04 PDT 2026

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 142262 tests passed
* 2975 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o</summary>

```
FAILED: libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/x86_64-unknown-linux-gnu/c++/v1 -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/c++/v1 -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxxabi/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -fPIC -UNDEBUG -std=c++26 -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/c++/v1=/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/include -MD -MT libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_shared.dir/charconv.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/include/from_chars_floating_point.h:24:
/home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/shared/fp_bits.h:1:1: error: unknown type name 'comm'
1 | comm//===-- Floating point number utils -----------------------------*- C++ -*-===//
| ^
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/include/from_chars_floating_point.h:24:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/shared/fp_bits.h:13:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/FPUtil/FPBits.h:19:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/CPP/bit.h:15:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/CPP/limits.h:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/hdr/limits_macros.h:18:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/include/limits.h:25:
In file included from /usr/include/limits.h:195:
In file included from /usr/include/x86_64-linux-gnu/bits/posix1_lim.h:161:
In file included from /usr/include/x86_64-linux-gnu/bits/local_lim.h:81:
/usr/include/x86_64-linux-gnu/bits/pthread_stack_min-dynamic.h:23:1: error: expected unqualified-id
23 | __BEGIN_DECLS
| ^
/usr/include/x86_64-linux-gnu/sys/cdefs.h:140:31: note: expanded from macro '__BEGIN_DECLS'
140 | # define __BEGIN_DECLS  extern "C" {
|                                ^
2 errors generated.
```
</details>
<details>
<summary>libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o</summary>

```
FAILED: libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBCXX_BUILDING_LIBCXXABI -DLIBC_NAMESPACE=__llvm_libc_common_utils -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_LIBCPP_AVAILABILITY_MINIMUM_HEADER_VERSION=2 -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_LINK_PTHREAD_LIB -D_LIBCPP_LINK_RT_LIB -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/x86_64-unknown-linux-gnu/c++/v1 -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/c++/v1 -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxxabi/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -UNDEBUG -std=c++26 -faligned-allocation -nostdinc++ -fvisibility-inlines-hidden -fvisibility=hidden -fsized-deallocation -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-nullability-completeness -Wmissing-prototypes -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fdebug-prefix-map=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include/c++/v1=/home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/include -MD -MT libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -MF libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o.d -o libcxx/src/CMakeFiles/cxx_static.dir/charconv.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/include/from_chars_floating_point.h:24:
/home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/shared/fp_bits.h:1:1: error: unknown type name 'comm'
1 | comm//===-- Floating point number utils -----------------------------*- C++ -*-===//
| ^
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/charconv.cpp:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libcxx/src/include/from_chars_floating_point.h:24:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/shared/fp_bits.h:13:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/FPUtil/FPBits.h:19:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/CPP/bit.h:15:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/src/__support/CPP/limits.h:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/cmake/Modules/../../libc/hdr/limits_macros.h:18:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23/include/limits.h:25:
In file included from /usr/include/limits.h:195:
In file included from /usr/include/x86_64-linux-gnu/bits/posix1_lim.h:161:
In file included from /usr/include/x86_64-linux-gnu/bits/local_lim.h:81:
/usr/include/x86_64-linux-gnu/bits/pthread_stack_min-dynamic.h:23:1: error: expected unqualified-id
23 | __BEGIN_DECLS
| ^
/usr/include/x86_64-linux-gnu/sys/cdefs.h:140:31: note: expanded from macro '__BEGIN_DECLS'
140 | # define __BEGIN_DECLS  extern "C" {
|                                ^
2 errors generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/205051