<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/120947>120947</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[mlir] -convert-tensor-to-linalg crashes
</td>
</tr>
<tr>
<th>Labels</th>
<td>
mlir
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
wwy6191
</td>
</tr>
</table>
<pre>
git version: bc29fc937c6cb4a210f80c93c79fc6ed97c801f8
system: `Ubuntu 18.04.6 LTS`
reproduce with: `mlir-opt -convert-tensor-to-linalg a.mlir`
a.mlir:
```
func.func @tensor_pad_constant(%t: tensor<?x10xindex>,%l2:index,%h1:index,%h3: index) -> tensor<?x?xindex> {
%0= tensor.pad %t low[5, %l2] high[%h1, %h3] {
^bb0(%arg0: index, %arg1: index):
%c = arith.constant 50 : index
tensor.yield %c : index
} : tensor<?x10xindex> to tensor<?x?xindex>
return %0 : tensor<?x?xindex>
}
module attributes {transform.with_named_sequence} {
transform.named_sequence @__transform_main(%arg1:!transform.any_op {transform.readonly}) {
%0 = transform.structured.match ops{["tensor.pad"]} in %arg1
: (!transform.any_op) ->!transform.any_op
transform.structured.rewrite_in_destination_passing_style %0
: (!transform.any_op) ->!transform.any_op
transform.yield
}
}
```
stack trace:
```
mlir-opt: /data/szy/MLIR/llvm-release/llvm-project/mlir/lib/IR/PatternMatch.cpp:182: auto mlir::RewriterBase::eraseOp(Operation *)::(anonymous class)::operator()(Operation *) const: Assertion `mayBeGraphRegion(*op->getParentRegion()) && "expected that op has no uses"' 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/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt -convert-tensor-to-linalg /data/szy/MLIR/seed/seed29/tmp.QEAQVRHJ7x.mlir
#0 0x00005652d744c508 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x11ef508)
#1 0x00005652d744a01e llvm::sys::RunSignalHandlers() (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x11ed01e)
#2 0x00005652d744ce9d SignalHandler(int) Signals.cpp:0:0
#3 0x00007f84ae664420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
#4 0x00007f84adca100b raise /build/glibc-LcI20x/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#5 0x00007f84adc80859 abort /build/glibc-LcI20x/glibc-2.31/stdlib/abort.c:81:7
#6 0x00007f84adc80729 get_sysdep_segment_value /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:509:8
#7 0x00007f84adc80729 _nl_load_domain /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:970:34
#8 0x00007f84adc91fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
#9 0x00005652da567df3 (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x430adf3)
#10 0x00005652da56782f std::_Function_handler<void (mlir::Operation*), mlir::RewriterBase::eraseOp(mlir::Operation*)::$_1>::_M_invoke(std::_Any_data const&, mlir::Operation*&&) PatternMatch.cpp:0:0
#11 0x00005652da5662fc mlir::RewriterBase::eraseOp(mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x43092fc)
#12 0x00005652da40c3dd mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41af3dd)
#13 0x00005652da41236b mlir::applyPartialConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41b536b)
#14 0x00005652da25a8c8 (anonymous namespace)::ConvertTensorToLinalgPass::runOnOperation() TensorToLinalgPass.cpp:0:0
#15 0x00005652da3adec6 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4150ec6)
#16 0x00005652da3ae7f0 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41517f0)
#17 0x00005652da3b0dc2 mlir::PassManager::run(mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4153dc2)
#18 0x00005652da3a953a performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#19 0x00005652da3a918d llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#20 0x00005652da454c65 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41f7c65)
#21 0x00005652da3a3175 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4146175)
#22 0x00005652da3a341f mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x414641f)
#23 0x00005652da3a374e mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x414674e)
#24 0x00005652d742cff7 main (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x11cfff7)
#25 0x00007f84adc82083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
#26 0x00005652d742cb6e _start (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x11cfb6e)
```
</pre>
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