<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/70278>70278</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[mlir] --convert-nvgpu-to-nvvm crashed with assertion failure "expected integer attribute type to equal element type"
</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: b82c62978690a8a518f22780bd13ac2b5ddcd2b8
system: ```Ubuntu 20.04.6 LTS (Focal Fossa)```
reproduced with: ```mlir-opt --convert-nvgpu-to-nvvm a.mlir```
a.mlir:
```
func.func @func2() {
%220 = llvm.mlir.constant(0 : index) : i64
%365 = vector.broadcast %220 : i64 to vector<26xi64>
return
}
```
trace:
```
mlir-opt: /data/bin/llvm-project/mlir/lib/IR/BuiltinAttributes.cpp:961: static mlir::DenseElementsAttr mlir::DenseElementsAttr::get(mlir::ShapedType, llvm::ArrayRef<mlir::Attribute>): Assertion `intAttr.getType() == eltType && "expected integer attribute type to equal element type"' 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-nvgpu-to-nvvm a.mlir
#0 0x000055a00d2e59cf llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/bin/llvm-project/build/bin/mlir-opt+0x15ce9cf)
#1 0x000055a00d2e2a64 SignalHandler(int) Signals.cpp:0:0
#2 0x00007f8686c71420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
#3 0x00007f868675c00b raise (/lib/x86_64-linux-gnu/libc.so.6+0x4300b)
#4 0x00007f868673b859 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22859)
#5 0x00007f868673b729 (/lib/x86_64-linux-gnu/libc.so.6+0x22729)
#6 0x00007f868674cfd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
#7 0x000055a00ff9db61 mlir::DenseElementsAttr::get(mlir::ShapedType, llvm::ArrayRef<mlir::Attribute>) (/data/bin/llvm-project/build/bin/mlir-opt+0x4286b61)
#8 0x000055a00f284554 mlir::vector::BroadcastOp::fold(mlir::vector::BroadcastOpGenericAdaptor<llvm::ArrayRef<mlir::Attribute>>) (/data/bin/llvm-project/build/bin/mlir-opt+0x356d554)
#9 0x000055a00f284656 mlir::LogicalResult llvm::detail::UniqueFunctionBase<mlir::LogicalResult, mlir::Operation*, llvm::ArrayRef<mlir::Attribute>, llvm::SmallVectorImpl<mlir::OpFoldResult>&>::CallImpl<mlir::Op<mlir::vector::BroadcastOp, mlir::OpTrait::ZeroRegions, mlir::OpTrait::OneResult, mlir::OpTrait::OneTypedResult<mlir::VectorType>::Impl, mlir::OpTrait::ZeroSuccessors, mlir::OpTrait::OneOperand, mlir::OpTrait::OpInvariants, mlir::ConditionallySpeculatable::Trait, mlir::OpTrait::AlwaysSpeculatableImplTrait, mlir::MemoryEffectOpInterface::Trait>::getFoldHookFn()::'lambda'(mlir::Operation*, llvm::ArrayRef<mlir::Attribute>, llvm::SmallVectorImpl<mlir::OpFoldResult>&) const>(void*, mlir::Operation*, llvm::ArrayRef<mlir::Attribute>, llvm::SmallVectorImpl<mlir::OpFoldResult>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x356d656)
#10 0x000055a00f2c2756 mlir::RegisteredOperationName::Model<mlir::vector::BroadcastOp>::foldHook(mlir::Operation*, llvm::ArrayRef<mlir::Attribute>, llvm::SmallVectorImpl<mlir::OpFoldResult>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x35ab756)
#11 0x000055a01003f642 mlir::Operation::fold(llvm::ArrayRef<mlir::Attribute>, llvm::SmallVectorImpl<mlir::OpFoldResult>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4328642)
#12 0x000055a01003f988 mlir::Operation::fold(llvm::SmallVectorImpl<mlir::OpFoldResult>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4328988)
#13 0x000055a00ff7077a mlir::OpBuilder::tryFold(mlir::Operation*, llvm::SmallVectorImpl<mlir::Value>&) (/data/bin/llvm-project/build/bin/mlir-opt+0x425977a)
#14 0x000055a00fedc8db (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*, mlir::ConversionPatternRewriter&) DialectConversion.cpp:0:0
#15 0x000055a00fedd397 (anonymous namespace)::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>, llvm::function_ref<void (mlir::Diagnostic&)>) DialectConversion.cpp:0:0
#16 0x000055a00fedf804 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+0x41c8804)
#17 0x000055a00f63dde2 (anonymous namespace)::ConvertNVGPUToNVVMPass::runOnOperation() NVGPUToNVVM.cpp:0:0
#18 0x000055a00fe36f6e mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/bin/llvm-project/build/bin/mlir-opt+0x411ff6e)
#19 0x000055a00fe3744a 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+0x412044a)
#20 0x000055a00fe37c74 mlir::PassManager::run(mlir::Operation*) (/data/bin/llvm-project/build/bin/mlir-opt+0x4120c74)
#21 0x000055a00fe2853b performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#22 0x000055a00fe299f4 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
#23 0x000055a00fe29ba4 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
#24 0x000055a00ff265b4 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+0x420f5b4)
#25 0x000055a00fe22e77 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+0x410be77)
#26 0x000055a00fe29ecb mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4112ecb)
#27 0x000055a00d21db4b main (/data/bin/llvm-project/build/bin/mlir-opt+0x1506b4b)
#28 0x00007f868673d083 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#29 0x000055a00d2b62fe _start (/data/bin/llvm-project/build/bin/mlir-opt+0x159f2fe)
Aborted (core dumped)
```
</pre>
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