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

Thu Mar 20 12:23:37 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-aarch64-darwin` running on `doug-worker-5` while building `libc,llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/190/builds/16784

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
75.193 [501/8/5514] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/CoverageMappingTest.cpp.o
75.202 [500/8/5515] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/ItaniumManglingCanonicalizerTest.cpp.o
75.205 [499/8/5516] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/MemProfTest.cpp.o
75.207 [498/8/5517] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/InstrProfTest.cpp.o
75.213 [497/8/5518] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/SampleProfTest.cpp.o
75.217 [496/8/5519] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/PGOCtxProfReaderWriterTest.cpp.o
75.219 [495/8/5520] Linking CXX shared module unittests/Passes/Plugins/TestPlugin.dylib
75.221 [494/8/5521] Linking CXX shared module unittests/Passes/Plugins/DoublerPlugin.dylib
75.225 [493/8/5522] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/SymbolRemappingReaderTest.cpp.o
75.230 [492/8/5523] 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_CPP2=yes CCACHE_HASHDIR=yes /opt/homebrew/bin/ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -DLIBC_NAMESPACE=__llvm_libc_common_utils -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/Users/buildbot/buildbot-root/aarch64-darwin/build/tools/llvm-gpu-loader -I/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader -I/Users/buildbot/buildbot-root/aarch64-darwin/build/include -I/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/include -I/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc -isystem /opt/homebrew/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -O3 -DNDEBUG -std=c++17 -arch arm64 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX14.4.sdk  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -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 /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:15:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.h:16:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/shared/rpc_server.h:12:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/RPC/rpc_server.h:38:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/stdio/printf_core/converter.h:13:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/stdio/printf_core/core_structs.h:15:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits.h:29:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits/is_complex.h:16:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/macros/properties/complex_types.h:14:
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/include/llvm-libc-types/cfloat16.h:18:9: warning: '_Complex' is a C99 extension [-Wc99-extensions]
typedef _Complex _Float16 cfloat16;
        ^
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:15:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.h:16:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/shared/rpc_server.h:12:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/RPC/rpc_server.h:38:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/stdio/printf_core/converter.h:13:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/stdio/printf_core/core_structs.h:15:
In file included from /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits.h:29:
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits/is_complex.h:31:34: warning: '_Complex' is a C99 extension [-Wc99-extensions]
      __is_unqualified_any_of<T, _Complex float, _Complex double,
                                 ^
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits/is_complex.h:31:50: warning: '_Complex' is a C99 extension [-Wc99-extensions]
      __is_unqualified_any_of<T, _Complex float, _Complex double,
                                                 ^
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/cmake/Modules/../../libc/src/__support/CPP/type_traits/is_complex.h:32:31: warning: '_Complex' is a C99 extension [-Wc99-extensions]
                              _Complex long double
                              ^
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:138:18: warning: moving a temporary object prevents copy elision [-Wpessimizing-move]
    report_error(std::move(elf_or_err.takeError()));
                 ^
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:138:18: note: remove std::move call here
    report_error(std::move(elf_or_err.takeError()));
                 ^~~~~~~~~~                      ~
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/tools/llvm-gpu-loader/llvm-gpu-loader.cpp:132:20: warning: unused variable 'params' [-Wunused-variable]
  LaunchParameters params{threads_x, threads_y, threads_z,
                   ^

```

</details>

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