<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/96294>96294</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:10353: bool llvm::LoopVectorizePass::processLoop(llvm::Loop*): Assertion `VF.Width == Width && "VPlan cost model and legacy cost model disagreed"' failed.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            vectorization,
            crash-on-valid,
            llvm
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          dcb314
      </td>
    </tr>
</table>

<pre>
    [calcc-0ebd65.c.gz](https://github.com/user-attachments/files/15926158/calcc-0ebd65.c.gz)
[calcc-0ebd65.sh.gz](https://github.com/user-attachments/files/15926159/calcc-0ebd65.sh.gz)

Stack backtrace is 

#11 0x0000000003adfddd llvm::LoopVectorizePass::processLoop(llvm::Loop*) /home/dcb40b/llvm/trunk/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:10353:9
#12 0x0000000003ae347f llvm::LoopVectorizePass::runImpl(llvm::Function&, llvm::ScalarEvolution&, llvm::LoopInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&, llvm::BlockFrequencyInfo*, llvm::TargetLibraryInfo*, llvm::DemandedBits&, llvm::AssumptionCache&, llvm::LoopAccessInfoManager&, llvm::OptimizationRemarkEmitter&, llvm::ProfileSummaryInfo*) /home/dcb40b/llvm/trunk/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:10446:27
#13 0x0000000003ae4382 llvm::LoopVectorizePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/dcb40b/llvm/trunk/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:10486:5
#14 0x00000000034fbd6d llvm::detail::PassModel<llvm::Function, llvm::LoopVectorizePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/dcb40b/llvm/trunk/llvm/include/llvm/IR/PassManagerInternal.h:91:3
#15 0x0000000001ae5b21 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/dcb40b/llvm/trunk/llvm/include/llvm/IR/PassManagerImpl.h:53:18

</pre>
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