<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/75570>75570</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            `clang-ppc64le-linux-test-suite ` build crashes in CI
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          firewave
      </td>
    </tr>
</table>

<pre>
    https://lab.llvm.org/buildbot/#/builders/230/builds/22628/steps/11/logs/stdio

```
FAILED: SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o 
/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/test/build-test-suite/tools/timeit --summary SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o.time /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang++ -DNDEBUG  -O3 -DNDEBUG   -w -Werror=date-time -ffp-contract=off -Wno-implicit-function-declaration -Wno-implicit-int -fenable-matrix -MD -MT SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o -MF SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o.d -o SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o -c /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/test/test-suite/SingleSource/UnitTests/matrix-types-spec.cpp
Unknown rematerializable operation!
UNREACHABLE executed at /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:1072!
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang++ -DNDEBUG -O3 -DNDEBUG -w -Werror=date-time -ffp-contract=off -Wno-implicit-function-declaration -Wno-implicit-int -fenable-matrix -MD -MT SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o -MF SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o.d -o SingleSource/UnitTests/CMakeFiles/matrix-types-spec.dir/matrix-types-spec.cpp.o -c /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/test/test-suite/SingleSource/UnitTests/matrix-types-spec.cpp
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module '/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/test/test-suite/SingleSource/UnitTests/matrix-types-spec.cpp'.
4.      Running pass 'Greedy Register Allocator' on function '@_Z13testTransposeIfLj31ELj17EEvv'
 #0 0x0000000013b4d500 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13b4d500)
 #1 0x0000000013b4ae54 llvm::sys::CleanupOnSignal(unsigned long) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13b4ae54)
 #2 0x0000000013a65098 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007fff814904d8 (linux-vdso64.so.1+0x4d8)
 #4 0x00007fff80d2a498 raise (/lib64/libc.so.6+0x4a498)
 #5 0x00007fff80d04a54 abort (/lib64/libc.so.6+0x24a54)
 #6 0x0000000013a75240 llvm::llvm_unreachable_internal(char const*, char const*, unsigned int) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13a75240)
 #7 0x0000000011cf25d0 llvm::PPCInstrInfo::isReallyTriviallyReMaterializable(llvm::MachineInstr const&) const (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x11cf25d0)
 #8 0x0000000013170074 llvm::LiveRangeEdit::scanRemattable() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13170074)
 #9 0x000000001317052c llvm::LiveRangeEdit::anyRematerializable() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x1317052c)
#10 0x0000000012fa9af4 llvm::SplitEditor::reset(llvm::LiveRangeEdit&, llvm::SplitEditor::ComplementSpillMode) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12fa9af4)
#11 0x0000000012ef1a44 llvm::RAGreedy::doRegionSplit(llvm::LiveInterval const&, unsigned int, bool, llvm::SmallVectorImpl<llvm::Register>&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12ef1a44)
#12 0x0000000012efbf48 llvm::RAGreedy::tryRegionSplit(llvm::LiveInterval const&, llvm::AllocationOrder&, llvm::SmallVectorImpl<llvm::Register>&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12efbf48)
#13 0x0000000012eff16c llvm::RAGreedy::selectOrSplitImpl(llvm::LiveInterval const&, llvm::SmallVectorImpl<llvm::Register>&, llvm::SmallSet<llvm::Register, 16u, std::less<llvm::Register>>&, llvm::SmallVector<std::pair<llvm::LiveInterval const*, llvm::MCRegister>, 8u>&, unsigned int) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12eff16c)
#14 0x0000000012f00eb4 llvm::RAGreedy::selectOrSplit(llvm::LiveInterval const&, llvm::SmallVectorImpl<llvm::Register>&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12f00eb4)
#15 0x00000000131bb924 llvm::RegAllocBase::allocatePhysRegs() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x131bb924)
#16 0x0000000012efcccc llvm::RAGreedy::runOnMachineFunction(llvm::MachineFunction&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x12efcccc)
#17 0x0000000012d16ec8 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.78) MachineFunctionPass.cpp:0:0
#18 0x00000000133e52d8 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x133e52d8)
#19 0x00000000133e55f8 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x133e55f8)
#20 0x00000000133e6528 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x133e6528)
#21 0x0000000013e113ac clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13e113ac)
#22 0x00000000144b1b8c clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x144b1b8c)
#23 0x0000000016412ab4 clang::ParseAST(clang::Sema&, bool, bool) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x16412ab4)
#24 0x000000001473bc88 clang::ASTFrontendAction::ExecuteAction() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x1473bc88)
#25 0x00000000144b0c30 clang::CodeGenAction::ExecuteAction() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x144b0c30)
#26 0x00000000147419b8 clang::FrontendAction::Execute() (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x147419b8)
#27 0x00000000146c6a00 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x146c6a00)
#28 0x0000000014844b88 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x14844b88)
#29 0x000000001074c62c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x1074c62c)
#30 0x000000001074283c ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#31 0x00000000144fa4d8 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#32 0x0000000013a65910 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x13a65910)
#33 0x00000000144fae58 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.284) Job.cpp:0:0
#34 0x00000000144bfca0 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x144bfca0)
#35 0x00000000144c0848 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x144c0848)
#36 0x00000000144cbbcc clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x144cbbcc)
#37 0x00000000107490cc clang_main(int, char**, llvm::ToolContext const&) (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x107490cc)
#38 0x000000001066e750 main (/home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin/clang+++0x1066e750)
#39 0x00007fff80d0a96c generic_start_main.isra.0 (/lib64/libc.so.6+0x2a96c)
#40 0x00007fff80d0ab04 __libc_start_main (/lib64/libc.so.6+0x2ab04)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
clang version 18.0.0git (https://github.com/llvm/llvm-project.git f1ea77f7be8acda2aa4b08ba27f454512a872057)
Target: powerpc64le-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/buildbots/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/bin
clang++: note: diagnostic msg: 
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/matrix-types-spec-17d063.cpp
clang++: note: diagnostic msg: /tmp/matrix-types-spec-17d063.sh
clang++: note: diagnostic msg: 
********************
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsW19v27iy_zTKC2FDomRJfsiD49htFskmSNK7wH0xKGrkcCuRuiTlJPfTH5CSbVGx0_acNi5wdpGtLWo4nN_McGb4x0QptuYA597kwptcnpFGPwl5XjAJz2QDZ5nIX8-ftK6VF848vPTwsiTZuCw31VjItYeXWcPKPBPavgy3DSCVh5c49LcN9hHHOPXwUmmozXMQGHZirWxbzoTnX3r-rPs39rs_-7icXV0vLr1whh4YX5fwIBpJwcPLL5zpR1DaMJnfkK-wZCWYh4poyV5G-rUGNVI10HHO5MF2Wtdjgbph8fJJVNADZnjVNY2jEka0JHw90qD0SDVMG7K2aUvgvDIPW0aDN0KUhq9mFTCNRiPVVBWRr78K3NgMhH4mNsvBfDK-JfTwhYcv0Ojyz8vFxZdPCI1uw94TGj2j0V8gpZBeeJkTDSMr1ago6hEVXEtCtRdeiqJAo7-4GLGqLhllelQ0nGom-CgHWhJJzPcBCeMajQrgJCth1CoBjW4u0ejm8Zc5zOhm-cvslaOR-HWC05_qCp2bO23viH5QqnbyfeFfuXjmSEJFNEhGSvb_xqJI1NCa3cNBR_rn_WI2_zy7uF4geAHaaMgR0T8VmIlyo1qKv4Hq7tF8sMzDy0ci12Ba78QzyLu5-XY3v-JKyyteCIspnAV-gnci310vZg8LpJqsYhoRlDVrJKEWUiMtkBtk10w_NdmYiqo3sCsOU6qx5keE54hxWjY5IP0EiEqinlBG6Fczp8DDc1RLqKWgoBTkSHVmmdueRClBGTH6kw1HikpW63Er8oMm9CvKm8qAaZv8sedP76RYS1IhItdNBVwbwT86vDjR5Z_Y8k9seT-2BMZvvXAOovDCBaqJVCBNxACeI1GggpXQUmJDORc5oDXwbdyxb0Lz5r7hnPE1qolSyMPJsvMgdGcabggna5AeTpDgqBJ5U5rEm_x2SsFJN8ejQ6A-SYD8Fd3DmikNEs3KUlCixRbYdtpYaJG_-t8gNOI8SsJVLRRcFdd_h8Hi-u8gWSw2G0NlB0MeDn3kv_jdf0GYRfnE95GNceHMC2fqVbVf7iTj2kagxzaMpXsiSZ5XQmkJpPJwbEIZ49rDU-TZCvPXxyEPX_gvW-k9PN3DCwbwCEyiQ_DmJRDe1Lf8ga05KT2cNtwW4zkqhRnmBGCMrA4Y7IAh8cSfpmhu8ss9ULEB-dpK_5nwvDRun3Z2cGjmgmt40V1S9O3_uyHCboikKIo0iKZ-lKcGecl48zLa5ErE0ViJcWCljPLUETDq9_ZzTKJpiiRhCjrtlSyLo_aTGjZxy8bQOYwmLiM_IpMIkcxk5_cYYUPnMIpdlSUTHPXd23xbNVwCoU8mo6wY1yBbB6BPRCIquJneM-PUbxp2LnIad2_ROHCTPtyAFniS9-H2i6K2hal7IGX5-ijZhpkv93DjVHvORL8h9IlxsDy2mogNcvv9g_F38Bz8qWPuIPH9pD_dr9kG7glfwyJnuosAlPB7U-HqDu0JDNnK6QCZDoFMMH0fCOGv94NK_WRoJpju0Jgg7CQZXJApKfpmeahLpg0SUzDahALKlPPpMcBtknmHwVxUdQmmGH6oWVneiBw-XhMdUEcTTj7CUAQk6mviftbm-vYpFyblC27hvVHHlQlVG1L2JuIwJM1RJkQ50FVFyvJ_gGohr6q69MJ5b_iuwvDCRTexP1hjrUIcjeGBxrIiSo9qTMvXH1bZnqSrq5jgtzI3-XPoZr-36oxmHNWFA9UVQUyPqk5BCVTfSqs5C-8Htfcj2nnT7wH04Q54joK4MR9K513SBqWOcj82QCuYF853bGrCpMPmEMaZy-pm7iCZo7TZj3jacqCzr-MAkRt3fR-y49HGcYBfafyPj8MWuKOZiZtfs2yKHc3A2gaDC6KgS69tbIC7p1d1D2t1otxqBXWQxINJTik9Psllw295V8Vtl8qHKrz9u9OEMgPCQekUtjgPYqD9LDAQ2yz-e4APIn0LcVwTqceJtesBhm8XTEYwt-IMYYLzvmDLO9N1uw_xwyJ9pG-1sjtanw7BTYrvAXdjN1pcv-qaTgRsUjjAsD8AFk9wH1gJa0K7KdOD2Ea2DuZvBM9I78Bzdz0gCEJCUdvTiruomL4g9Cvw_LbRdWPCfe_1JSNrLpRmVC34mnHown2P5DOQHOQDEEmfbmvjtMrJDD3SucjhE_BvULVb-N8guiZ8fYikl4e0ZHx9D8Ugb3f2mQ0YdkqYddOu3-WKa9kos-yAYs71nXaLhU3RRZglK-HhVWmoupJgV2A0nP1fA6t60FOS51X9LJmG1XbPrNcph4I0pV7lUIKGb3Ts6p1DkOaCq6YyBdTsBD7Zupzjk04dH0VZkKX0PblbN7M7WXYjs7SF-RfOBs46e3jsdrROMv06JA5Up-6OowCTLOpDvSNSwezh0QXyABXp_Hm7ams_PxpSJ7EDyakkoyTMaJoi1wpLacywm0xtoGkPA7fz6wQlUyerA2YycEWfhv6BiPWbAWnldIDErlWiYJo5VnnHJCcyhhXRweBUdlFMY-IPjFHVrAR5xZUmnMJhexwHfZKg0MJwcDqFYpRGUebOoA7RHu6m24tw0b1Rxynieye-g8-pFf0kojGmiNJgVRHmFkszKcmrSdHh3N1S73LZcJt9I1h-Epgdij5M97zMTyKchhRtbTcPHm3ETt9bGL_FPKhhDI8upTmb7LlkG5AHlyHuOVcUFSTKU6u4Ht_tMeFKWt3bt20YsIWEIaGkLDNCv64KbiTdu107dueC82AuqorwfBhRDtp4V9oIW7kRd3NgX7Dtipldh9WKvrwEQfuQEcWoKXyYkclq0SE2DSstCdNq-3rAjuyOTffvDclsn2pnu8OMtouHk5JUWU7sofFWVTjdngn-IbLD9nhzVDcN-gcxhw7kuvV6wx9IAeWro873TXeCoycLyJkY4dADYeLEt_86D9pvKeA0etdZokE9UlDiH1Wdjf_kTT7f6tNJFoOOhuDY0uod0plTlZ7msK_TiuNxgzKO-ml03OOOqO0PkanjOvtDZNdM6e_e8xzuLXeHMN-r5v729WmVbXXpKDseKDvLKD0G7LL33SlrDtQzx4z0gcr--Ereas9RbzIoK6b-Vr3b-mkLz0at2ZuTiWNFw4dXTEZyB5pT-PpxDMnERwbUR8vWDu3INh3cMyHTmLYXzWymIFJb9Y-ZkmTsv3_3xPTtM4_8IfPMj9BqZbr1eH-DaebvF-J9SOEMdTcsZ62foKJb9yDauXpBWAk5emb6CcELM36RAwrCyAzZKECjDdICKQDEequN_mBoA1IxwVGQjv2xv2Y2FP3Y7dix6VUEQJKkSDJICc0JJiTK_DQjOCmiSTQJMEkT7E-S3fDdld5whmrxDLKzd9PeSR6115HWvOmInySQHFUih7LtothL-8quk8oS8ksmf-W92EMG4kKb5SrKd_upqFJrK0XnJP_BX_8W8-zxcTb_jB4_L9Dy9vr69q-rPz-h5dX14gE93trmiy-f0P3i7vb-0dveHb47dAs5VSZoHL2JvCOQgNrzsBwRvWP5_fjxUlf1oeuQoyDJ_TjcXxX9iTzV04nMtPv5zFl-HubTcErO4DxIfBzjFMfJ2dP5BEPkxxBBNI0yGodFHEcQZkEcJ-G0INMzdo59HAY4mPhpkETJOMpJkUZxHmQQTPNJ5kU-VISVu58Dndk76efJZJL4ZyXJoFT2h0UYc3hG9qWHsTe5PJPndr5mzVp5kV8ypdWei2a6hHMv9t2J0M7A_XRAXuwjOyHaG--gEONofnXWyPL8379Ob6X_VwAAAP__wTOYVg">