[libc-commits] [libc] [llvm] [libc][math] Refactor hypotf to Header Only. (PR #175679)

Fri Jan 16 14:39:06 PST 2026

github-actions[bot] wrote:

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

The build failed before running any tests. Click on a failure below to see the details.

<details>
<summary>runtimes/runtimes-stamps/runtimes-configure /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-stamps/runtimes-configure</summary>

```
Not searching for unused variables given on the command line.
loading initial cache file /home/gha/actions-runner/_work/llvm-project/llvm-project/build/projects/runtimes/tmp/runtimes-cache-Release.cmake
-- Performing bootstrapping runtimes build.
-- The C compiler identification is Clang 23.0.0
-- The CXX compiler identification is Clang 23.0.0
-- The ASM compiler identification is Clang with GNU-like command-line
-- Found assembler: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.3")
-- Performing Test CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG
-- Performing Test CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG - Success
-- Performing Test C_SUPPORTS_START_NO_UNUSED_ARGUMENTS
-- Performing Test C_SUPPORTS_START_NO_UNUSED_ARGUMENTS - Success
-- Performing Test CXX_SUPPORTS_NOSTDLIBXX_FLAG
-- Performing Test CXX_SUPPORTS_NOSTDLIBXX_FLAG - Success
-- Performing Test CXX_SUPPORTS_NOSTDINCXX_FLAG
-- Performing Test CXX_SUPPORTS_NOSTDINCXX_FLAG - Success
-- Linker detection: LLD
-- Performing Test LLVM_USES_LIBSTDCXX
-- Performing Test LLVM_USES_LIBSTDCXX - Failed
-- Performing Test LLVM_DEFAULT_TO_GLIBCXX_USE_CXX11_ABI
-- Performing Test LLVM_DEFAULT_TO_GLIBCXX_USE_CXX11_ABI - Failed
-- Performing Test CXX_SUPPORTS_CUSTOM_LINKER
-- Performing Test CXX_SUPPORTS_CUSTOM_LINKER - Success
-- Performing Test C_SUPPORTS_FPIC
-- Performing Test C_SUPPORTS_FPIC - Success
-- Performing Test CXX_SUPPORTS_FPIC
-- Performing Test CXX_SUPPORTS_FPIC - Success
-- Building with -fPIC
-- Performing Test C_SUPPORTS_FNO_SEMANTIC_INTERPOSITION
-- Performing Test C_SUPPORTS_FNO_SEMANTIC_INTERPOSITION - Success
-- Performing Test CXX_SUPPORTS_FNO_SEMANTIC_INTERPOSITION
-- Performing Test CXX_SUPPORTS_FNO_SEMANTIC_INTERPOSITION - Success
-- Performing Test SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG
-- Performing Test SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG - Success
-- Performing Test CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG
-- Performing Test CXX_SUPPORTS_SUGGEST_OVERRIDE_FLAG - Success
-- Performing Test CXX_WSUGGEST_OVERRIDE_ALLOWS_ONLY_FINAL
-- Performing Test CXX_WSUGGEST_OVERRIDE_ALLOWS_ONLY_FINAL - Success
-- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP
-- Performing Test C_WCOMMENT_ALLOWS_LINE_WRAP - Success
-- Performing Test C_SUPPORTS_MISLEADING_INDENTATION_FLAG
-- Performing Test C_SUPPORTS_MISLEADING_INDENTATION_FLAG - Success
-- Performing Test CXX_SUPPORTS_MISLEADING_INDENTATION_FLAG
-- Performing Test CXX_SUPPORTS_MISLEADING_INDENTATION_FLAG - Success
-- Performing Test C_SUPPORTS_CTAD_MAYBE_UNSPPORTED_FLAG
-- Performing Test C_SUPPORTS_CTAD_MAYBE_UNSPPORTED_FLAG - Success
-- Performing Test CXX_SUPPORTS_CTAD_MAYBE_UNSPPORTED_FLAG
-- Performing Test CXX_SUPPORTS_CTAD_MAYBE_UNSPPORTED_FLAG - Success
-- Performing Test LINKER_SUPPORTS_COLOR_DIAGNOSTICS
-- Performing Test LINKER_SUPPORTS_COLOR_DIAGNOSTICS - Success
-- Looking for os_signpost_interval_begin
-- Looking for os_signpost_interval_begin - not found
-- Looking for flock
-- Looking for flock - found
-- Found Python3: /usr/bin/python3 (found version "3.12.3") found components: Interpreter
-- LLVM host triple: x86_64-unknown-linux-gnu
-- LLVM default target triple: x86_64-unknown-linux-gnu
-- Setting LIBC_NAMESPACE namespace to '__llvm_libc_23_0_0_git'
-- Set COMPILER_RESOURCE_DIR to /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/23 using --print-resource-dir
-- Building libc for x86_64 on linux with LIBC_COMPILE_OPTIONS_DEFAULT:
-- LIBC_CONF_ENABLE_STRONG_STACK_PROTECTOR: ON
-- LIBC_CONF_KEEP_FRAME_POINTER: ON
-- LIBC_CONF_ERRNO_MODE: LIBC_ERRNO_MODE_DEFAULT
-- LIBC_CONF_TRAP_ON_RAISE_FP_EXCEPT: OFF
-- LIBC_ADD_NULL_CHECKS: ON
-- LIBC_CONF_FREXP_INF_NAN_EXPONENT:
-- LIBC_CONF_MATH_OPTIMIZATIONS: 0
-- LIBC_CONF_MATH_USE_SYSTEM_FENV: OFF
-- LIBC_CONF_PRINTF_DISABLE_FIXED_POINT: OFF
-- LIBC_CONF_PRINTF_DISABLE_FLOAT: OFF
-- LIBC_CONF_PRINTF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_PRINTF_DISABLE_STRERROR: OFF
-- LIBC_CONF_PRINTF_DISABLE_WRITE_INT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_NO_SPECIALIZE_LD: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_DYADIC_FLOAT: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_FLOAT320: OFF
-- LIBC_CONF_PRINTF_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE: OFF
-- LIBC_CONF_PRINTF_RUNTIME_DISPATCH: ON
-- LIBC_CONF_RAW_MUTEX_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_RWLOCK_DEFAULT_SPIN_COUNT: 100
-- LIBC_CONF_TIMEOUT_ENSURE_MONOTONICITY: ON
-- LIBC_CONF_QSORT_IMPL: LIBC_QSORT_QUICK_SORT
-- LIBC_CONF_SCANF_DISABLE_FLOAT: OFF
-- LIBC_CONF_SCANF_DISABLE_INDEX_MODE: OFF
-- LIBC_CONF_SETJMP_AARCH64_RESTORE_PLATFORM_REGISTER: ON
-- LIBC_CONF_FIND_FIRST_CHARACTER_IMPL: element
-- LIBC_CONF_MEMSET_X86_USE_SOFTWARE_PREFETCHING: OFF
-- LIBC_CONF_STRING_LENGTH_IMPL: element
-- LIBC_CONF_THREAD_MODE: LIBC_THREAD_MODE_PLATFORM
-- LIBC_CONF_TIME_64BIT: OFF
-- LIBC_CONF_WCTYPE_MODE: LIBC_WCTYPE_MODE_ASCII
-- Writing config doc to /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/docs/configure.rst
-- Overriding - LIBC_CONF_FIND_FIRST_CHARACTER_IMPL: word (Previous value: element)
-- Overriding - LIBC_CONF_STRING_LENGTH_IMPL: clang_vector (Previous value: element)
-- Set CPU features: AVX;AVX2;FMA;SSE2;SSE4_2
-- Compiler features available: builtin_fmax_fmin;cfloat128;cfloat16;ext_vector_type;fixed_point;float128;float16
-- Performing Test LIBC_CC_SUPPORTS_PATTERN_INIT
-- Performing Test LIBC_CC_SUPPORTS_PATTERN_INIT - Success
-- Performing Test LIBC_CC_SUPPORTS_NOSTDLIBPP
-- Performing Test LIBC_CC_SUPPORTS_NOSTDLIBPP - Success
-- Performing Test LIBC_CC_SUPPORTS_NOSTDLIBINC
-- Performing Test LIBC_CC_SUPPORTS_NOSTDLIBINC - Success
-- Looking for SYS_faccessat2
-- Looking for SYS_faccessat2 - found
-- Using getrandom for hashtable randomness
CMake Warning at /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/utils/MPFRWrapper/CMakeLists.txt:28 (message):
Math tests using MPFR will be skipped.

CMake Warning at /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/utils/MPFRWrapper/CMakeLists.txt:58 (message):
Math tests using MPFR will be skipped.

CMake Warning at /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/utils/MPCWrapper/CMakeLists.txt:33 (message):
Math tests using MPC will be skipped.

CMake Error at /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/cmake/modules/LLVMLibCLibraryRules.cmake:5 (get_target_property):
get_target_property() called with non-existent target
"libc.src.__support.math.hypotf".
Call Stack (most recent call first):
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/cmake/modules/LLVMLibCLibraryRules.cmake:35 (collect_object_file_deps)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/cmake/modules/LLVMLibCLibraryRules.cmake:35 (collect_object_file_deps)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/cmake/modules/LLVMLibCLibraryRules.cmake:61 (collect_object_file_deps)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/cmake/modules/LLVMLibCLibraryRules.cmake:139 (get_all_object_file_deps)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/lib/CMakeLists.txt:22 (add_entrypoint_library)

-- Skipping test for 'libc.src.string.memcmp_x86_64_opt_avx512' insufficient host cpu features 'AVX512BW'
-- Skipping test for 'libc.src.string.memcpy_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.string.memmove_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.string.memset_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.strings.bcmp_x86_64_opt_avx512' insufficient host cpu features 'AVX512BW'
-- Skipping test for 'libc.src.strings.bzero_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- check-runtimes does nothing.
-- Configuring incomplete, errors occurred!
FAILED: runtimes/runtimes-stamps/runtimes-configure /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-stamps/runtimes-configure
cd /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins && /usr/bin/cmake --no-warn-unused-cli -DCMAKE_C_COMPILER=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang -DCMAKE_CXX_COMPILER=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ -DCMAKE_ASM_COMPILER=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang -DCMAKE_LINKER=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/ld.lld -DCMAKE_AR=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-ar -DCMAKE_RANLIB=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-ranlib -DCMAKE_NM=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-nm -DCMAKE_OBJDUMP=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-objdump -DCMAKE_OBJCOPY=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-objcopy -DCMAKE_STRIP=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-strip -DCMAKE_READELF=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/llvm-readelf -DCMAKE_C_COMPILER_TARGET=x86_64-unknown-linux-gnu -DCMAKE_CXX_COMPILER_TARGET=x86_64-unknown-linux-gnu -DCMAKE_Fortran_COMPILER_TARGET=x86_64-unknown-linux-gnu -DCMAKE_ASM_COMPILER_TARGET=x86_64-unknown-linux-gnu -DCMAKE_INSTALL_PREFIX=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/install -DLLVM_BINARY_DIR=/home/gha/actions-runner/_work/llvm-project/llvm-project/build -DLLVM_CONFIG_PATH=/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llvm-config -DLLVM_ENABLE_WERROR=ON -DLLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu -DLLVM_HAVE_LINK_VERSION_SCRIPT=1 -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=OFF -DLLVM_USE_RELATIVE_PATHS_IN_FILES=OFF "-DLLVM_LIT_ARGS=-v --xunit-xml-output /home/gha/actions-runner/_work/llvm-project/llvm-project/build/test-results.xml --use-unique-output-file-name --timeout=1200 --time-tests --succinct" -DLLVM_SOURCE_PREFIX= -DPACKAGE_VERSION=23.0.0git -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCOMPILER_RT_BUILD_BUILTINS=Off -DLLVM_INCLUDE_TESTS=ON -DLLVM_DEFAULT_TARGET_TRIPLE=x86_64-unknown-linux-gnu -DLLVM_ENABLE_PROJECTS_USED=ON -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON -DLLVM_BUILD_TOOLS=ON -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_Fortran_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DHAVE_LLVM_LIT=ON -DCLANG_RESOURCE_DIR= -DCMAKE_PREFIX_PATH=/home/gha/.local -DCOMPILER_RT_TEST_EXTERNAL_BUILTINS=ON -DLLVM_ENABLE_RUNTIMES=libc -DLLVM_USE_LINKER=lld -DFFI_INCLUDE_DIR= -DFFI_LIBRARY_DIR= -DLIBCLANG_BUILD_STATIC=OFF -DLIBCLANG_LIBRARY_VERSION=23 -DLIBCXX_CXX_ABI=libcxxabi -DLIBCXX_HARDENING_MODE=extensive -DLIBC_GPU_BUILD=OFF -DLLVM_LIBCXX_USED=0 -DLIBC_GPU_BUILD=OFF -GNinja -C/home/gha/actions-runner/_work/llvm-project/llvm-project/build/projects/runtimes/tmp/runtimes-cache-Release.cmake -S /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/runtimes/../../runtimes -B /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins && /usr/bin/cmake -E touch /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-stamps/runtimes-configure
```
</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/175679