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Assertion failure in Stream dialect conversion when flow.executable.export has results #22970

@sairam2661

Description

@sairam2661

What happened?

Description
The compiler crashes during the --iree-stream-transformation-pipeline pass due to an assertion triggered when a flow.executable.export operation contains a flow.return with result values.

Output

iree-opt: iree/compiler/src/iree/compiler/Dialect/Stream/Conversion/FlowToStream/Patterns.cpp:1134: virtual llvm::LogicalResult mlir::iree_compiler::(anonymous namespace)::ConvertExecutableOp::matchAndRewrite(IREE::Flow::ExecutableOp, mlir::OpConversionPattern<mlir::iree_compiler::IREE::Flow::ExecutableOp>::OpAdaptor, mlir::ConversionPatternRewriter &) const: Assertion `funcOp.getNumResults() == 0 && "flow dispatches have no results"' failed.
Please report issues to https://github.com/iree-org/iree/issues and include the crash backtrace.
Stack dump:
0.      Program arguments: /workdir/builds/iree/tools/iree-opt --iree-stream-transformation-pipeline test.mlir
 #0 0x000055591ba6674b backtrace (/workdir/builds/iree/tools/iree-opt+0x9174b)
 #1 0x00007f2c8e61d828 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /workdir/sources/iree/third_party/llvm-project/llvm/lib/Support/Unix/Signals.inc:842:13
 #2 0x00007f2c8e6155e3 llvm::sys::RunSignalHandlers() /workdir/sources/iree/third_party/llvm-project/llvm/lib/Support/Signals.cpp:109:18
 #3 0x00007f2c8e6202e4 SignalHandler(int, siginfo_t*, void*) /workdir/sources/iree/third_party/llvm-project/llvm/lib/Support/Unix/Signals.inc:429:38
 #4 0x00007f2c68733520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #5 0x00007f2c687879fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #6 0x00007f2c68733476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #7 0x00007f2c687197f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #8 0x00007f2c6871971b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #9 0x00007f2c6872ae96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#10 0x00007f2c982132a6 std::enable_if<(!(llvm::is_one_of<mlir::iree_compiler::IREE::Flow::ReturnOp, mlir::Operation*, mlir::Region*, mlir::Block*>::value)) && (std::is_same<void, void>::value), void>::type mlir::detail::walk<(mlir::WalkOrder)1, mlir::ForwardIterator, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&, mlir::iree_compiler::IREE::Flow::ReturnOp, void>(mlir::Operation*, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&) /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/IR/Visitors.h:302:20
#11 0x00007f2c982132a6 void mlir::Block::walk<(mlir::WalkOrder)1, mlir::ForwardIterator, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&, void>(llvm::ilist_iterator<llvm::ilist_detail::node_options<mlir::Operation, false, false, void, false, void>, false, false>, llvm::ilist_iterator<llvm::ilist_detail::node_options<mlir::Operation, false, false, void, false, void>, false, false>, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&) /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/IR/Block.h:366:9
#12 0x00007f2c982132a6 void mlir::Block::walk<(mlir::WalkOrder)1, mlir::ForwardIterator, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&, mlir::iree_compiler::IREE::Flow::ReturnOp, void>(mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&) /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/IR/Block.h:325:7
#13 0x00007f2c982132a6 void mlir::Region::walk<(mlir::WalkOrder)1, mlir::ForwardIterator, mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1, mlir::iree_compiler::IREE::Flow::ReturnOp, void>(mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&)::$_1&&) /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/IR/Region.h:303:15
#14 0x00007f2c982132a6 mlir::iree_compiler::(anonymous namespace)::convertReturnOps(mlir::Region&) /workdir/sources/iree/compiler/src/iree/compiler/Dialect/Stream/Conversion/FlowToStream/Patterns.cpp:1064:10
#15 0x00007f2c982132a6 mlir::iree_compiler::(anonymous namespace)::ConvertExecutableOp::matchAndRewrite(mlir::iree_compiler::IREE::Flow::ExecutableOp, mlir::iree_compiler::IREE::Flow::ExecutableOpAdaptor, mlir::ConversionPatternRewriter&) const /workdir/sources/iree/compiler/src/iree/compiler/Dialect/Stream/Conversion/FlowToStream/Patterns.cpp:1114:9
#16 0x00007f2c9823d3c8 llvm::LogicalResult mlir::ConversionPattern::dispatchTo1To1<mlir::OpConversionPattern<mlir::iree_compiler::IREE::Flow::ExecutableOp>, mlir::iree_compiler::IREE::Flow::ExecutableOp>(mlir::OpConversionPattern<mlir::iree_compiler::IREE::Flow::ExecutableOp> const&, mlir::iree_compiler::IREE::Flow::ExecutableOp, mlir::iree_compiler::IREE::Flow::ExecutableOp::GenericAdaptor<llvm::ArrayRef<mlir::ValueRange> >, mlir::ConversionPatternRewriter&) /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/Transforms/DialectConversion.h:1069:15
#17 0x00007f2c98239b46 mlir::OpConversionPattern<mlir::iree_compiler::IREE::Flow::ExecutableOp>::matchAndRewrite(mlir::iree_compiler::IREE::Flow::ExecutableOp, mlir::iree_compiler::IREE::Flow::ExecutableOpGenericAdaptor<llvm::ArrayRef<mlir::ValueRange> >, mlir::ConversionPatternRewriter&) const /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/Transforms/DialectConversion.h:727:12
#18 0x00007f2c982398fc mlir::OpConversionPattern<mlir::iree_compiler::IREE::Flow::ExecutableOp>::matchAndRewrite(mlir::Operation*, llvm::ArrayRef<mlir::ValueRange>, mlir::ConversionPatternRewriter&) const /workdir/sources/iree/third_party/llvm-project/mlir/include/mlir/Transforms/DialectConversion.h:713:12
#19 0x00007f2ca444c85b llvm::SmallVector<mlir::ValueRange, 3u>::~SmallVector() /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/SmallVector.h:1207:18
#20 0x00007f2ca444c85b mlir::ConversionPattern::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:2404:1
#21 0x00007f2ca4574747 mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>)::$_6::operator()() const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Rewrite/PatternApplicator.cpp:223:13
#22 0x00007f2ca4574747 void llvm::function_ref<void ()>::callback_fn<mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>)::$_6>(long) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#23 0x00007f2ca4567cab mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:0:12
#24 0x00007f2ca44515c7 (anonymous namespace)::OperationLegalizer::legalizeWithPattern(mlir::Operation*) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:2823:21
#25 0x00007f2ca44515c7 (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:2602:17
#26 0x00007f2ca444f720 llvm::failed(llvm::LogicalResult) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:42
#27 0x00007f2ca444f720 mlir::OperationConverter::convert(mlir::Operation*, bool) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:3300:7
#28 0x00007f2ca4453032 llvm::failed(llvm::LogicalResult) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:42
#29 0x00007f2ca4453032 llvm::LogicalResult mlir::OperationConverter::legalizeOperations<mlir::OperationConverter::applyConversion(llvm::ArrayRef<mlir::Operation*>)::$_21>(llvm::ArrayRef<mlir::Operation*>, mlir::OperationConverter::applyConversion(llvm::ArrayRef<mlir::Operation*>)::$_21, bool) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:3401:9
#30 0x00007f2ca4453032 mlir::OperationConverter::applyConversion(llvm::ArrayRef<mlir::Operation*>) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:3447:26
#31 0x00007f2ca4486dbb applyConversion(llvm::ArrayRef<mlir::Operation*>, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig, (anonymous namespace)::OpConversionMode)::$_42::operator()() const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:0:30
#32 0x00007f2ca4486dbb void llvm::function_ref<void ()>::callback_fn<applyConversion(llvm::ArrayRef<mlir::Operation*>, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig, (anonymous namespace)::OpConversionMode)::$_42>(long) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#33 0x00007f2ca4467b72 applyConversion(llvm::ArrayRef<mlir::Operation*>, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig, (anonymous namespace)::OpConversionMode) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:0:12
#34 0x00007f2ca4467f42 mlir::applyPartialConversion(llvm::ArrayRef<mlir::Operation*>, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:4183:10
#35 0x00007f2ca4467f42 mlir::applyPartialConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Transforms/Utils/DialectConversion.cpp:4190:10
#36 0x00007f2c97ee6e6f mlir::iree_compiler::IREE::Stream::(anonymous namespace)::ConvertToStreamPass::runOnOperation() /workdir/sources/iree/compiler/src/iree/compiler/Dialect/Stream/Transforms/ConvertToStream.cpp:302:16
#37 0x00007f2c9024127a mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int)::$_44::operator()() const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Pass/Pass.cpp:613:24
#38 0x00007f2c9024127a void llvm::function_ref<void ()>::callback_fn<mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int)::$_44>(long) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#39 0x00007f2c90221015 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:0:12
#40 0x00007f2c90223631 llvm::failed(llvm::LogicalResult) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:42
#41 0x00007f2c90223631 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Pass/Pass.cpp:688:9
#42 0x00007f2c902374bc mlir::PassManager::runPasses(mlir::Operation*, mlir::AnalysisManager) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Pass/Pass.cpp:1123:10
#43 0x00007f2c9023553c mlir::PassManager::run(mlir::Operation*) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Pass/Pass.cpp:0:60
#44 0x00007f2c904bd814 llvm::failed(llvm::LogicalResult) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:42
#45 0x00007f2c904bd814 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:591:7
#46 0x00007f2c904bb6c8 processBuffer(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef, mlir::MlirOptMainConfig const&, mlir::DialectRegistry&, mlir::SourceMgrDiagnosticVerifierHandler*, llvm::ThreadPoolInterface*) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:673:12
#47 0x00007f2c904bb6c8 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_3::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef, llvm::raw_ostream&) const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:771:12
#48 0x00007f2c904bb6c8 llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_3>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#49 0x00007f2c904c4934 llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&) const /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:69:12
#50 0x00007f2c904c4934 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::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0::operator()(llvm::StringRef) const /workdir/sources/iree/third_party/llvm-project/mlir/lib/Support/ToolUtilities.cpp:94:13
#51 0x00007f2c904c3351 void llvm::interleave<llvm::StringRef const*, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, void llvm::interleave<llvm::SmallVector<llvm::StringRef, 8u>, 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::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream, llvm::StringRef>(llvm::SmallVector<llvm::StringRef, 8u> const&, llvm::raw_ostream&, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::StringRef const&)::'lambda'(), void>(llvm::SmallVector<llvm::StringRef, 8u>, llvm::SmallVector<llvm::StringRef, 8u>, 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::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLExtras.h:2230:16
#52 0x00007f2c904c3351 void llvm::interleave<llvm::SmallVector<llvm::StringRef, 8u>, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream, llvm::StringRef>(llvm::SmallVector<llvm::StringRef, 8u> const&, llvm::raw_ostream&, 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::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::StringRef const&) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/ADT/STLExtras.h:2250:3
#53 0x00007f2c904c3351 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::MemoryBufferRef const&, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Support/ToolUtilities.cpp:97:3
#54 0x00007f2c9049b16e mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) /workdir/sources/iree/third_party/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:776:26
#55 0x00007f2c8e3a383a llvm::failed(llvm::LogicalResult) /workdir/sources/iree/third_party/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:42
#56 0x00007f2c8e3a383a ireeOptMainFromCL(int, char**, llvm::StringRef, mlir::DialectRegistry&) /workdir/sources/iree/compiler/src/iree/compiler/API/Internal/IREEOptToolEntryPoint.cpp:147:7
#57 0x00007f2c8e3a383a ireeOptRunMain /workdir/sources/iree/compiler/src/iree/compiler/API/Internal/IREEOptToolEntryPoint.cpp:170:14
#58 0x00007f2c6871ad90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#59 0x00007f2c6871ae40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#60 0x000055591ba2ac15 _start (/workdir/builds/iree/tools/iree-opt+0x55c15)
Aborted (core dumped)

Steps to reproduce your issue

Minimal MLIR program (test.mlir)

"builtin.module"() ({
  "flow.executable"() <{sym_name = "test"}> ({
    "flow.executable.export"() <{function_ref = @entry, sym_name = "entry"}> ({
    ^bb0(%arg0: index):
      "flow.return"(%arg0, %arg0, %arg0) : (index, index, index) -> ()
    }) : () -> ()
    "builtin.module"() ({
      "func.func"() <{function_type = (tensor<1xi32>) -> tensor<1xi32>, sym_name = "entry"}> ({
      ^bb0(%arg0: tensor<1xi32>):
        "func.return"(%arg0) : (tensor<1xi32>) -> ()
      }) : () -> ()
    }) : () -> ()
    "flow.executable_end"() : () -> ()
  }) : () -> ()
}) : () -> ()

Command

iree-opt --iree-stream-transformation-pipeline test.mlir

What component(s) does this issue relate to?

MLIR

Version information

d4b9bb0150db9e3c20673c912cb785e988846936

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No response

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