<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/73534>73534</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [mlir] --convert-cf-to-llvm crashed with assertion failure "Assertion `value' failed"
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir
      </td>
    </tr>

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

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

<pre>
    git version: 5bd643e1456bd2acc53ac0bf594d285be89a44fe

system: Ubuntu 20.04.6 LTS (Focal Fossa)

reproduced with: ```mlir-opt --convert-cf-to-llvm a.mlir```

a.mlir:
```
func.func private @func2(%arg0: tensor<27x16xi64>, %arg1: f16, %arg2: memref<?x16xi16>)  {
 %cst_6 = arith.constant dense<true> : vector<10xi1>
  %cst_8 = arith.constant dense<true> : vector<27xi1>
  %7 = vector.mask %cst_8 { vector.mask %cst_6 { vector.multi_reduction <and>, %cst_6, %cst_6 [] : vector<10xi1> to vector<10xi1> } : vector<10xi1> -> vector<10xi1> } : vector<27xi1> -> vector<27xi1>
  return 
}
```

trace:
```
mlir-opt: /data/bin/llvm-project/mlir/include/mlir/IR/Matchers.h:402: bool mlir::matchPattern(mlir::Value, const Pattern&) [with Pattern = mlir::detail::constant_op_binder<mlir::Attribute>]: Assertion `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: /data/bin/llvm-project/build/bin/mlir-opt --convert-cf-to-llvm a.mlir
 #0 0x0000564a364a922f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/bin/llvm-project/build/bin/mlir-opt+0x161922f)
 #1 0x0000564a364a6284 SignalHandler(int) Signals.cpp:0:0
 #2 0x00007f100c9f1420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #3 0x00007f100c4dc00b raise (/lib/x86_64-linux-gnu/libc.so.6+0x4300b)
 #4 0x00007f100c4bb859 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22859)
 #5 0x00007f100c4bb729 (/lib/x86_64-linux-gnu/libc.so.6+0x22729)
 #6 0x00007f100c4ccfd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
 #7 0x0000564a392c86b2 mlir::Operation::fold(llvm::SmallVectorImpl<mlir::OpFoldResult>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x44386b2)
 #8 0x0000564a391f8bca mlir::OpBuilder::tryFold(mlir::Operation*, llvm::SmallVectorImpl<mlir::Value>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4368bca)
 #9 0x0000564a391643fb (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*, mlir::ConversionPatternRewriter&) DialectConversion.cpp:0:0
#10 0x0000564a39164eb7 (anonymous namespace)::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>, llvm::function_ref<void (mlir::Diagnostic&)>) DialectConversion.cpp:0:0
#11 0x0000564a39167324 mlir::applyPartialConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, llvm::DenseSet<mlir::Operation*, llvm::DenseMapInfo<mlir::Operation*, void>>*) (/data/bin/llvm-project/build/bin/mlir-opt+0x42d7324)
#12 0x0000564a386d84eb (anonymous namespace)::ConvertControlFlowToLLVM::runOnOperation() ControlFlowToLLVM.cpp:0:0
#13 0x0000564a390bcaee mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/bin/llvm-project/build/bin/mlir-opt+0x422caee)
#14 0x0000564a390bcfca mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/data/bin/llvm-project/build/bin/mlir-opt+0x422cfca)
#15 0x0000564a390bd7f4 mlir::PassManager::run(mlir::Operation*) (/data/bin/llvm-project/build/bin/mlir-opt+0x422d7f4)
#16 0x0000564a390ae563 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#17 0x0000564a390afa34 processBuffer(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::MlirOptMainConfig const&, mlir::DialectRegistry&, llvm::ThreadPool*) MlirOptMain.cpp:0:0
#18 0x0000564a390afbe4 mlir::LogicalResult llvm::function_ref<mlir::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::'lambda'(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#19 0x0000564a391aeed4 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<mlir::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>, llvm::raw_ostream&, bool, bool) (/data/bin/llvm-project/build/bin/mlir-opt+0x431eed4)
#20 0x0000564a390a8447 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4218447)
#21 0x0000564a390afd31 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (/data/bin/llvm-project/build/bin/mlir-opt+0x421fd31)
#22 0x0000564a390b0196 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4220196)
#23 0x0000564a363e097b main (/data/bin/llvm-project/build/bin/mlir-opt+0x155097b)
#24 0x00007f100c4bd083 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#25 0x0000564a3647958e _start (/data/bin/llvm-project/build/bin/mlir-opt+0x15e958e)
Aborted (core dumped)
```
</pre>
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