[clang] [llvm] [Offload][libsycl][clang-sycl-linker] Simplify SYCL Offload wrapping (PR #193876)
LLVM Continuous Integration via cfe-commits
cfe-commits at lists.llvm.org
Mon Apr 27 14:49:53 PDT 2026
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-clang-flang` running on `rocm-worker-hw-01` while building `clang,libsycl,llvm` at step 3 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/67/builds/3441
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 3 (annotate) failure: 'python ../llvm.src/offload/ci/openmp-offload-amdgpu-clang-flang.py ...' (failure)
...
-- Performing Test COMPILER_RT_HAS_amdgcn_FLOAT16
-- Performing Test COMPILER_RT_HAS_amdgcn_FLOAT16 - Success
-- Builtin supported architectures: amdgcn
-- Performing additional configure checks with target flags: -nostdinc++ -Wno-c2y-extensions -fPIC -fno-builtin -fvisibility=hidden -fomit-frame-pointer -ffreestanding -nogpulib -flto SHELL:-Xclang -mcode-object-version=none
-- Performing Test COMPILER_RT_HAS_amdgcn_BFLOAT16
-- Performing Test COMPILER_RT_HAS_amdgcn_BFLOAT16 - Failed
-- Configuring done
-- Generating done
-- Build files have been written to: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/builtins-amdgcn-amd-amdhsa-bins
[ 98%/34.441s :: 86->5->8510 (of 8600)] Linking CXX executable bin/clang-sycl-linker
FAILED: bin/clang-sycl-linker
: && /usr/bin/c++ -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-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3 -DNDEBUG -Wl,-rpath-link,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Wl,--gc-sections tools/clang/tools/clang-sycl-linker/CMakeFiles/clang-sycl-linker.dir/ClangSYCLLinker.cpp.o -o bin/clang-sycl-linker -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/lib:" lib/libLLVMAMDGPUCodeGen.so.23.0git lib/libLLVMAMDGPUAsmParser.so.23.0git lib/libLLVMAMDGPUDisassembler.so.23.0git lib/libLLVMSPIRVCodeGen.so.23.0git lib/libLLVMSPIRVDesc.so.23.0git lib/libLLVMSPIRVInfo.so.23.0git lib/libLLVMX86CodeGen.so.23.0git lib/libLLVMX86AsmParser.so.23.0git lib/libLLVMX86Desc.so.23.0git lib/libLLVMX86Disassembler.so.23.0git lib/libLLVMX86Info.so.23.0git lib/libLLVMOption.so.23.0git lib/libclangBasic.so.23.0git lib/libLLVMAMDGPUDesc.so.23.0git lib/libLLVMAMDGPUInfo.so.23.0git lib/libLLVMAMDGPUUtils.so.23.0git lib/libLLVMLinker.so.23.0git lib/libLLVMTarget.so.23.0git lib/libLLVMBitWriter.so.23.0git lib/libLLVMAnalysis.so.23.0git lib/libLLVMObject.so.23.0git lib/libLLVMIRReader.so.23.0git lib/libLLVMMC.so.23.0git lib/libLLVMCore.so.23.0git lib/libLLVMBinaryFormat.so.23.0git lib/libLLVMTargetParser.so.23.0git lib/libLLVMSupport.so.23.0git -Wl,-rpath-link,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/lib && :
/usr/bin/ld: tools/clang/tools/clang-sycl-linker/CMakeFiles/clang-sycl-linker.dir/ClangSYCLLinker.cpp.o: undefined reference to symbol '_ZN4llvm10offloading4sycl16writeSymbolTableENS_8ArrayRefINS_9StringRefEEERNS_11SmallStringILj0EEE'
/usr/bin/ld: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/libLLVMFrontendOffloading.so.23.0git: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
[ 98%/34.462s :: 86->4->8511 (of 8600)] Linking CXX shared library lib/libMIFDialect.so.23.0git
[ 98%/35.677s :: 86->2->8513 (of 8600)] Building CXX object tools/clang/tools/clang-linker-wrapper/CMakeFiles/clang-linker-wrapper.dir/ClangLinkerWrapper.cpp.o
[ 99%/36.970s :: 86->1->8514 (of 8600)] Linking CXX shared library lib/libclang-cpp.so.23.0git
ninja: build stopped: subcommand failed.
Running: ccache -sv
Summary:
Cache directory: /home/botworker/.cache/ccache
Primary config: /home/botworker/.config/ccache/ccache.conf
Secondary config: /etc/ccache.conf
Stats updated: Mon Apr 27 21:49:36 2026
Hits: 5490 / 5510 (99.64 %)
Direct: 5053 / 5512 (91.67 %)
Preprocessed: 437 / 457 (95.62 %)
Misses: 20
Direct: 459
Preprocessed: 20
Uncacheable: 2
Primary storage:
Hits: 10562 / 11019 (95.85 %)
Misses: 457
Cache size (GB): 4.56 / 5.00 (91.24 %)
Files: 66573
Uncacheable:
Unsupported code directive: 2
ninja -C llvm.build -j64 exited with return code 1.
@@@STEP_FAILURE@@@
Traceback (most recent call last):
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/../llvm.src/offload/ci/openmp-offload-amdgpu-clang-flang.py", line 43, in <module>
w.run_ninja(builddir=llvmbuilddir, ccache_stats=True)
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/.ci/buildbot/worker.py", line 269, in run_ninja
run_command(cmd, **kwargs)
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/.ci/buildbot/worker.py", line 132, in run_command
subprocess.check_call(cmd, shell=shell, env=env, **kwargs)
File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
Step 7 (compile-openmp) failure: compile-openmp (failure)
...
-- Performing Test COMPILER_RT_HAS_amdgcn_FLOAT16
-- Performing Test COMPILER_RT_HAS_amdgcn_FLOAT16 - Success
-- Builtin supported architectures: amdgcn
-- Performing additional configure checks with target flags: -nostdinc++ -Wno-c2y-extensions -fPIC -fno-builtin -fvisibility=hidden -fomit-frame-pointer -ffreestanding -nogpulib -flto SHELL:-Xclang -mcode-object-version=none
-- Performing Test COMPILER_RT_HAS_amdgcn_BFLOAT16
-- Performing Test COMPILER_RT_HAS_amdgcn_BFLOAT16 - Failed
-- Configuring done
-- Generating done
-- Build files have been written to: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/builtins-amdgcn-amd-amdhsa-bins
[ 98%/34.441s :: 86->5->8510 (of 8600)] Linking CXX executable bin/clang-sycl-linker
FAILED: bin/clang-sycl-linker
: && /usr/bin/c++ -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-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -O3 -DNDEBUG -Wl,-rpath-link,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Wl,--gc-sections tools/clang/tools/clang-sycl-linker/CMakeFiles/clang-sycl-linker.dir/ClangSYCLLinker.cpp.o -o bin/clang-sycl-linker -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/lib:" lib/libLLVMAMDGPUCodeGen.so.23.0git lib/libLLVMAMDGPUAsmParser.so.23.0git lib/libLLVMAMDGPUDisassembler.so.23.0git lib/libLLVMSPIRVCodeGen.so.23.0git lib/libLLVMSPIRVDesc.so.23.0git lib/libLLVMSPIRVInfo.so.23.0git lib/libLLVMX86CodeGen.so.23.0git lib/libLLVMX86AsmParser.so.23.0git lib/libLLVMX86Desc.so.23.0git lib/libLLVMX86Disassembler.so.23.0git lib/libLLVMX86Info.so.23.0git lib/libLLVMOption.so.23.0git lib/libclangBasic.so.23.0git lib/libLLVMAMDGPUDesc.so.23.0git lib/libLLVMAMDGPUInfo.so.23.0git lib/libLLVMAMDGPUUtils.so.23.0git lib/libLLVMLinker.so.23.0git lib/libLLVMTarget.so.23.0git lib/libLLVMBitWriter.so.23.0git lib/libLLVMAnalysis.so.23.0git lib/libLLVMObject.so.23.0git lib/libLLVMIRReader.so.23.0git lib/libLLVMMC.so.23.0git lib/libLLVMCore.so.23.0git lib/libLLVMBinaryFormat.so.23.0git lib/libLLVMTargetParser.so.23.0git lib/libLLVMSupport.so.23.0git -Wl,-rpath-link,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/lib && :
/usr/bin/ld: tools/clang/tools/clang-sycl-linker/CMakeFiles/clang-sycl-linker.dir/ClangSYCLLinker.cpp.o: undefined reference to symbol '_ZN4llvm10offloading4sycl16writeSymbolTableENS_8ArrayRefINS_9StringRefEEERNS_11SmallStringILj0EEE'
/usr/bin/ld: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/libLLVMFrontendOffloading.so.23.0git: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
[ 98%/34.462s :: 86->4->8511 (of 8600)] Linking CXX shared library lib/libMIFDialect.so.23.0git
[ 98%/35.677s :: 86->2->8513 (of 8600)] Building CXX object tools/clang/tools/clang-linker-wrapper/CMakeFiles/clang-linker-wrapper.dir/ClangLinkerWrapper.cpp.o
[ 99%/36.970s :: 86->1->8514 (of 8600)] Linking CXX shared library lib/libclang-cpp.so.23.0git
ninja: build stopped: subcommand failed.
Running: ccache -sv
Summary:
Cache directory: /home/botworker/.cache/ccache
Primary config: /home/botworker/.config/ccache/ccache.conf
Secondary config: /etc/ccache.conf
Stats updated: Mon Apr 27 21:49:36 2026
Hits: 5490 / 5510 (99.64 %)
Direct: 5053 / 5512 (91.67 %)
Preprocessed: 437 / 457 (95.62 %)
Misses: 20
Direct: 459
Preprocessed: 20
Uncacheable: 2
Primary storage:
Hits: 10562 / 11019 (95.85 %)
Misses: 457
Cache size (GB): 4.56 / 5.00 (91.24 %)
Files: 66573
Uncacheable:
Unsupported code directive: 2
ninja -C llvm.build -j64 exited with return code 1.
Traceback (most recent call last):
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/../llvm.src/offload/ci/openmp-offload-amdgpu-clang-flang.py", line 43, in <module>
w.run_ninja(builddir=llvmbuilddir, ccache_stats=True)
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/.ci/buildbot/worker.py", line 269, in run_ninja
run_command(cmd, **kwargs)
File "/home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/.ci/buildbot/worker.py", line 132, in run_command
subprocess.check_call(cmd, shell=shell, env=env, **kwargs)
File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
raise CalledProcessError(retcode, cmd)
```
</details>
https://github.com/llvm/llvm-project/pull/193876
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