[libc] [llvm] [LLVM] Make the GPU loader utilities an LLVM tool (PR #132096)

Thu Mar 20 12:29:45 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-sles-build-only` running on `rocm-worker-hw-04-sles` while building `libc,llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/140/builds/19444

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

```
Step 5 (compile-openmp) failure: build (failure)
...
19.593 [921/14/6211] Linking CXX executable bin/f18-parse-demo
19.755 [921/13/6212] Linking CXX executable bin/llvm-extract
20.040 [921/12/6213] Linking CXX shared module lib/SampleAnalyzerPlugin.so
20.057 [921/11/6214] Linking CXX shared module lib/CheckerDependencyHandlingAnalyzerPlugin.so
20.067 [921/10/6215] Linking CXX shared module lib/CheckerOptionHandlingAnalyzerPlugin.so
20.267 [921/9/6216] Linking CXX executable bin/llvm-exegesis
20.279 [921/8/6217] Linking CXX executable bin/clang-diff
20.337 [921/7/6218] Linking CXX executable bin/lli
20.447 [921/6/6219] Linking CXX executable bin/clang-refactor
20.474 [921/5/6220] Building CXX object tools/llvm-gpu-loader/CMakeFiles/llvm-gpu-loader.dir/llvm-gpu-loader.cpp.o
FAILED: tools/llvm-gpu-loader/CMakeFiles/llvm-gpu-loader.dir/llvm-gpu-loader.cpp.o 
ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -DLIBC_NAMESPACE=__llvm_libc_common_utils -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/llvm-gpu-loader -I/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader -Iinclude -I/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include -I/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++1z -MD -MT tools/llvm-gpu-loader/CMakeFiles/llvm-gpu-loader.dir/llvm-gpu-loader.cpp.o -MF tools/llvm-gpu-loader/CMakeFiles/llvm-gpu-loader.dir/llvm-gpu-loader.cpp.o.d -o tools/llvm-gpu-loader/CMakeFiles/llvm-gpu-loader.dir/llvm-gpu-loader.cpp.o -c /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp
In file included from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/inline_memcpy.h:19:0,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/writer.h:16,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/int_converter.h:19,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/strerror_converter.h:15,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/converter.h:15,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/__support/RPC/rpc_server.h:38,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/shared/rpc_server.h:12,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.h:16,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:15:
/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:26:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
   LIBC_LOOP_NOUNROLL

/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:36:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
     LIBC_LOOP_NOUNROLL

/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:40:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
     LIBC_LOOP_NOUNROLL

/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:50:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
   LIBC_LOOP_NOUNROLL

/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:57:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
   LIBC_LOOP_NOUNROLL

/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/generic/byte_per_byte.h:66:0: warning: ignoring #pragma GCC unroll [-Wunknown-pragmas]
   LIBC_LOOP_NOUNROLL

In file included from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/x86_64/inline_memset.h:13:0,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/string/memory_utils/inline_memset.h:19,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/writer.h:17,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/int_converter.h:19,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/strerror_converter.h:15,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/stdio/printf_core/converter.h:15,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/src/__support/RPC/rpc_server.h:38,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/cmake/Modules/../../libc/shared/rpc_server.h:12,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.h:16,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:15:

```

</details>

https://github.com/llvm/llvm-project/pull/132096