<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/72034>72034</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            vectorcombine crash
        </td>
    </tr>

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

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

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

<pre>
    ```llvm
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare <4 x i64> @llvm.vp.add.v4i64(<4 x i64>, <4 x i64>, <4 x i1>, i32) #0

define <4 x i64> @add_v4i64_allonesmask(<4 x i64> %x) {
  %1 = shufflevector <4 x i64> %x, <4 x i64> zeroinitializer, <4 x i32> zeroinitializer
  %2 = call <4 x i64> @llvm.vp.add.v4i64(<4 x i64> %1, <4 x i64> zeroinitializer, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, i32 0)
  ret <4 x i64> %2
}

; uselistorder directives
uselistorder <4 x i64> zeroinitializer, { 1, 0 }

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(none) }
```

crashes:

```
regehr@john-home:~/out$ ~/llvm-project/for-alive/bin/opt -O2 reduced.ll 
WARNING: You're attempting to print out a bitcode file.
This is inadvisable as it may cause display problems. If
you REALLY want to taste LLVM bitcode first-hand, you
can force output with the `-f' option.

opt: /home/regehr/llvm-project/llvm/include/llvm/Support/Casting.h:662: decltype(auto) llvm::dyn_cast(From*) [with To = llvm::Constant; From = llvm::Value]: Assertion `detail::isPresent(Val) && "dyn_cast on a non-existent value"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: /home/regehr/llvm-project/for-alive/bin/opt -O2 reduced.ll
 #0 0x00007fd0531fe950 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMSupport.so.18git+0x1fe950)
 #1 0x00007fd0531fb95f llvm::sys::RunSignalHandlers() (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMSupport.so.18git+0x1fb95f)
 #2 0x00007fd0531fbab5 SignalHandler(int) Signals.cpp:0:0
 #3 0x00007fd052842520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007fd0528969fc __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
 #5 0x00007fd0528969fc __pthread_kill_internal ./nptl/pthread_kill.c:78:10
 #6 0x00007fd0528969fc pthread_kill ./nptl/pthread_kill.c:89:10
 #7 0x00007fd052842476 gsignal ./signal/../sysdeps/posix/raise.c:27:6
 #8 0x00007fd0528287f3 abort ./stdlib/abort.c:81:7
 #9 0x00007fd05282871b _nl_load_domain ./intl/loadmsgcat.c:1177:9
#10 0x00007fd052839e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#11 0x00007fd05352aa14 (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMCore.so.18git+0x12aa14)
#12 0x00007fd055ae3085 llvm::IRBuilderBase::CreateBinOp(llvm::Instruction::BinaryOps, llvm::Value*, llvm::Value*, llvm::Twine const&, llvm::MDNode*) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMVectorize.so.18git+0xe3085)
#13 0x00007fd055b89d2d (anonymous namespace)::VectorCombine::scalarizeVPIntrinsic(llvm::Instruction&) VectorCombine.cpp:0:0
#14 0x00007fd055b96522 llvm::VectorCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMVectorize.so.18git+0x196522)
#15 0x00007fd0564b85f6 llvm::detail::PassModel<llvm::Function, llvm::VectorCombinePass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMPasses.so.18git+0xb85f6)
#16 0x00007fd05a983b01 llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAMDGPUCodeGen.so.18git+0x383b01)
#17 0x00007fd053b77375 llvm::CGSCCToFunctionPassAdaptor::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAnalysis.so.18git+0x177375)
#18 0x00007fd05a963886 llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::CGSCCToFunctionPassAdaptor, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAMDGPUCodeGen.so.18git+0x363886)
#19 0x00007fd053b70f40 llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAnalysis.so.18git+0x170f40)
#20 0x00007fd0564b7b56 llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMPasses.so.18git+0xb7b56)
#21 0x00007fd053b78696 llvm::DevirtSCCRepeatedPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAnalysis.so.18git+0x178696)
#22 0x00007fd0564b7ba6 llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::DevirtSCCRepeatedPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMPasses.so.18git+0xb7ba6)
#23 0x00007fd053b730f4 llvm::ModuleToPostOrderCGSCCPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMAnalysis.so.18git+0x1730f4)
#24 0x00007fd0564b7b06 llvm::detail::PassModel<llvm::Module, llvm::ModuleToPostOrderCGSCCPassAdaptor, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMPasses.so.18git+0xb7b06)
#25 0x00007fd0537238f1 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMCore.so.18git+0x3238f1)
#26 0x00007fd056024e44 llvm::ModuleInlinerWrapperPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMipo.so.18git+0x224e44)
#27 0x00007fd0564b70e6 llvm::detail::PassModel<llvm::Module, llvm::ModuleInlinerWrapperPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMPasses.so.18git+0xb70e6)
#28 0x00007fd0537238f1 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/regehr/llvm-project/for-alive/bin/../lib/libLLVMCore.so.18git+0x3238f1)
#29 0x000056350c993034 llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool) (/home/regehr/llvm-project/for-alive/bin/opt+0x31034)
#30 0x000056350c98109c main (/home/regehr/llvm-project/for-alive/bin/opt+0x1f09c)
#31 0x00007fd052829d90 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#32 0x00007fd052829e40 call_init ./csu/../csu/libc-start.c:128:20
#33 0x00007fd052829e40 __libc_start_main ./csu/../csu/libc-start.c:379:5
#34 0x000056350c984f95 _start (/home/regehr/llvm-project/for-alive/bin/opt+0x22f95)
Aborted (core dumped)
regehr@john-home:~/out$ 
```

cc @hatsunespica

</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWltTIzcW_jXiRYVLVt8feDBmPEstk6GAkMqTS9192lYiS12SGvA87G_fktpgyxcGGLKVzJJyZnrU0rl83_lO38SM4TMJcIKSU5ScHbHOzpU-0TCDuT4qVb08QSnpf0LcLRA5Q2SEolM86WRluZJ4ZK02KBphqSomRMmqP7FUjQbAUpmlrLBUnbznssb3XAgNttMSL2Ch9BLRXCoJiBa94RoqwTRgFI1j_IB5GqPoE0ax9z24awesrgd3sRuneTAJ0TE-ODBc_ZtHFNECIxqRVSIrrw2Xe5yyup56Z1MmhJJgFsz8ue0YI5o8eKvZaW8Ou6EhRtEZNvOuaQTcQWWV3nbg121Fjb-BVlxyy5ng30BvTojovglrl9S7dBy8AT8f86vCGfpV0ZgPsdUdeHyfPXziAJMnwjHWYHeBoSt6srNNnlzZdQYEN1bpGjSuuYbK8jsw_YTg5PcTyU6xT5ngLUfMWs3LzoLxteJxdbN_qMI3nDwqatNnpZmZgxNSkHI4tdcliskfai6P52oBKBr9B9GJ6iyiMXaHjurjVqs_oLKIThqlj5ngd4DopOTSzW0tPv5KsYa6q6AeuHrx1n8bXf1y_stnp-XfVYdopgEza2HRWi5n2Crcai4tVp3FDJfcVqoG3HABg97AzZwb7H6S1XfcsFIAZgZzixdsiSvWGcA1N61gS9xqVQpYmAE-b_rVS9Xhq0-ji4vf8T2T1vmzzFjAFxe3XzbcaWOP50zWjrql6lbwMYkbpStw0bWdxffczrGdA0YpOW4QzbBqXb8abMKrWuuyRXTisaSTFcA7KPreRydcVqKrYT1w3bWt0m7GmBmH0mCOolGaUmfWdTO7bAHRnHVWuRrwy6IRikb1Uk4rZiyi-USrBaIjXyPJqQ_8RvmiW08fK2ksk9a3Xq0WW6dvmegAJWfO7cgY0L41o5TUYBkX_SRuLjUYkM7nLRN9K0wRTTGi9DEerCRmWCp5DA_cWJAW33njlDoQG8YF1CsQLy8-ja4_YdOVC-5LopthDQ4QR97c2tbXM50gOplxO-_KQeVSfURvC2RuTAcG0QlmssYrrD2HXhzYCc9qVj2W27V1Sqy7RfukGjJApLjUaqbZAjM96xYgrXkZxy9Ryqpr-a5AHgghJGtqkkTDBoqEbBBilqY_uHSS8ZHeuNARzdeTNLufKmM1sIUnYoy5I8fRkr8l3sHAzeJl_6eTzao-B0YNhvmMW0RPyUMf7LoHIxoNt7Ipi6TZl81VJ6_5TDLxLyZrAdr4SP_6gF08QcB0O2BWJjgIDdF8hWY_bAZV6wqF-P-fDEWbhmge04SSVTp9YA95Ok3jY8Fl93A8k11_onIRpj46vyQILg5tFmnRVHg6be1cA6unf3IhpnzRCnDVybxUHRCytQLRyea0QYWiURyjaJSla_vJS-xLC1oy8azlLEfRaLiBRrrP8uayZ83lxZa5bBvcOEvxzHg-vKX-8LESzNLU0LoO0CrDH1wpMW7A26aZa6xr03lomuZZE2FWut7jTdm6p88P9dENXcZrC8WOhWGJp1JMhWL1tFYLxnteuPTpuuGFmVWsNzccZi6kFe1OQyQ0GBVQpK8rJb_kqZSczVCYCWVsGL-f2sZKw5bUvIcghEBqCYOI5MlGbzi_Ou24qEGfMgOri5UGZuGUy69t0O_OpbG6848N_cApl0wvvzrKxztXM3dF_P7ozb27d6_c5XHVQ9fnvpz9omp4vLS-F2i3_m6ef9tCzuMSABe0lqTMi5rWLgwmlVwuVGewZAswrb8sFKskvfGxWpRcrtA0FRPM-bu9PJdWc2l4dRBWB0GBAyu7fc8FF4fBFWlC6SbYmxYumVn1f93JwPXjU-AO9CPJxNJw84VJNgONovGeRe6JIP1fcDP06QXkBD00jcs8adLN27ON-yaX_hdVg9ifRVikO7gFp_0NmL6DuscHzNtQc79_Ah0OADAhFx7pgIrgosOKPCrJ8B2o8HOfy_et0P8_Mzr6cvb58texquEzyJDYyBMXMBtc_6Myy6Js89Ix_nw9Ht-ox3AdYaOatVbp_WBcsG_LMRPis2btvB-6Ho9fBc0hE5vrwzk0fYTx2TnBWZ_Yr23NLFyB6YR9dxpWKW61OQ9wwEAeaiuN8vx1be4lgD3D43tp5c28_SBph3T5UYov6Qi-3IJ6LLY6Amli8oKe_RKsPsrnH1k-BzqZK4zNyqFk64YtK5P372Q_Yf19dOCfXUJ777KdPAL9DLc6b54Wm_o5gzuu7fV4fAWte3qvDz_0fSD_veblsA3ApzvNi71_89pP4Yf-f_YqPKB_FpZgtKX_iDTx5rsyVXcCbtSlMvarrkH7sL_7SNYvexXqqyV_wbPpATW6TAMo4h01ktep8THr8asAfC8lrgE8pI2_EysHqpOE1Rm8josyGuXN8AX3ZfuI-Hmg2309H3lgAuSCt2cpoTHEu7o-l4JL0L9p1ragD1_a_07Z81aFyVOfW5B8tq1kAu-l5D2QfQh4LWACoYDzDwG_UcCPr0SSNEpIVRQRiTYFrDv_Qu2St-AKMsj12mouZ1fQ7CvgHQhumJ6B_cKqubez_SHNn73gpWZ6eS4bdb5oxe4spcRXv8NmwsUeIz90-kA6I63Z0o1ucuYxEd2My52bTNXaqVVqpfve3795v2Ho0Kxb0LzhoB_nle7Mq_9-c-modlUeQxIFHe5pn8mqOvIhKSrsP03_oKthQ4oqcDXc-iBe1AXB06ngZTU1lmk7rZgQ06fv4pXpdr_cr_YG7Fvk90YlfstBuvZKt71CTPwuximX3G476g-d9WNvvf8UT51Ruv66ub2rozcapLIvi73Go6xwYa9tx1uMxE2R4N7qj3JCaVOs39-PSqUt-E_GldLgdzpB_XT6e5sBn9tsWGEUkzmzppNgWl6xfvyoPonqIirYEZwM06LIKE0pOZqfVHUcV6ysyqxK2RCinCRVnSYJa-o8KrLoiJ9QQqOh-y8bEkoGCS2hjJIiggrKlBEUE1gwLgYOjIHSsyO_3eskoySKjwQrQRi_C5lSCffYn0SUouTsSJ94AMtuZlBMBDfWrK1YbgWc9Dtsq_6za79d7KjT4uTte9B8XP8NAAD__8HLtHs">