[lld] [lld][LoongArch] Relax TLSDESC code sequence (PR #123677)

Mon Mar 31 03:37:11 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls-2stage` running on `linaro-g3-02` while building `lld` at step 12 "ninja check 2".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/4/builds/5956

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

```
Step 12 (ninja check 2) failure: stage 2 checked (failure)
...
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[956/1386] Linking CXX executable unittests/InterfaceStub/InterfaceStubTests
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[990/1386] Linking CXX executable unittests/ExecutionEngine/MCJIT/MCJITTests
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[1002/1386] Linking CXX executable unittests/FuzzMutate/FuzzMutateTests
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[1015/1386] Linking CXX executable unittests/LineEditor/LineEditorTests
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[1017/1386] Linking CXX executable unittests/MC/X86/X86MCTests
FAILED: unittests/MC/X86/X86MCTests 
: && /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage1.install/bin/clang++ -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -fPIC -fno-semantic-interposition -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 -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fuse-ld=lld -Wl,--color-diagnostics    -Wl,--gc-sections unittests/MC/X86/CMakeFiles/X86MCTests.dir/X86MCDisassemblerTest.cpp.o -o unittests/MC/X86/X86MCTests  lib/libLLVMMC.a  lib/libLLVMMCDisassembler.a  lib/libLLVMTargetParser.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Disassembler.a  lib/libLLVMX86Info.a  lib/libLLVMSupport.a  lib/libllvm_gtest_main.a  lib/libllvm_gtest.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMMCDisassembler.a  lib/libLLVMMC.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  -lrt  -ldl  -lm  /usr/lib/aarch64-linux-gnu/libz.so  lib/libLLVMDemangle.a  -lpthread && :
clang++: error: no such file or directory: 'lib/libllvm_gtest_main.a'
[1019/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/ArchiveTest.cpp.o
[1021/1386] Building CXX object unittests/ExecutionEngine/Orc/CMakeFiles/OrcJITTests.dir/CoreAPIsTest.cpp.o
[1022/1386] Linking CXX executable unittests/MC/AMDGPU/AMDGPUMCTests
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[1023/1386] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/YAMLTest.cpp.o
[1024/1386] Building CXX object unittests/MC/CMakeFiles/MCTests.dir/DwarfLineTableHeaders.cpp.o
[1025/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/SymbolicFileTest.cpp.o
[1026/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/OffloadingTest.cpp.o
[1027/1386] Building CXX object unittests/IR/CMakeFiles/IRTests.dir/DataLayoutTest.cpp.o
[1028/1386] Building CXX object unittests/MC/SystemZ/CMakeFiles/SystemZAsmLexerTests.dir/SystemZAsmLexerTest.cpp.o
[1029/1386] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/YAML2ObjTest.cpp.o
[1030/1386] Building CXX object unittests/IR/CMakeFiles/IRTests.dir/VFABIDemanglerTest.cpp.o
[1031/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/ELFTest.cpp.o
[1032/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/ELFTypesTest.cpp.o
[1033/1386] Building CXX object unittests/FileCheck/CMakeFiles/FileCheckTests.dir/FileCheckTest.cpp.o
[1034/1386] Building CXX object unittests/Passes/PassBuilderBindings/CMakeFiles/PassesBindingsTests.dir/PassBuilderBindingsTest.cpp.o
[1035/1386] Building CXX object unittests/Option/CMakeFiles/OptionTests.dir/OptionMarshallingTest.cpp.o
[1036/1386] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/InstrProfDataTest.cpp.o
[1037/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/BitstreamRemarksFormatTest.cpp.o
[1038/1386] Building CXX object unittests/IR/CMakeFiles/IRTests.dir/IRBuilderTest.cpp.o
[1039/1386] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/SymbolRemappingReaderTest.cpp.o
[1040/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/RemarksStrTabParsingTest.cpp.o
[1041/1386] Building CXX object unittests/MIR/CMakeFiles/MIRTests.dir/MachineStableHashTest.cpp.o
[1042/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/RemarksAPITest.cpp.o
[1043/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/GOFFObjectFileTest.cpp.o
[1044/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/DXContainerTest.cpp.o
[1045/1386] Building CXX object unittests/ObjCopy/CMakeFiles/ObjCopyTests.dir/ObjCopyTest.cpp.o
[1046/1386] Building CXX object unittests/ProfileData/CMakeFiles/ProfileDataTests.dir/ItaniumManglingCanonicalizerTest.cpp.o
[1047/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/RemarksLinkingTest.cpp.o
[1048/1386] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/DWARFYAMLTest.cpp.o
[1049/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/YAMLRemarksSerializerTest.cpp.o
[1050/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/BitstreamRemarksSerializerTest.cpp.o
[1051/1386] Building CXX object unittests/IR/CMakeFiles/IRTests.dir/InstructionsTest.cpp.o
[1052/1386] Building CXX object unittests/Object/CMakeFiles/ObjectTests.dir/XCOFFObjectFileTest.cpp.o
[1053/1386] Building CXX object unittests/IR/CMakeFiles/IRTests.dir/VPIntrinsicTest.cpp.o
[1054/1386] Building CXX object unittests/Remarks/CMakeFiles/RemarksTests.dir/BitstreamRemarksParsingTest.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/123677