<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/107958>107958</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[mlir] [vector] crashes in llvm-project/llvm/include/llvm/Support/Casting.h:572: decltype(auto) llvm::cast(From &) [To = mlir::LLVM::LLVMArrayType, From = mlir::Type]: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
</td>
</tr>
<tr>
<th>Labels</th>
<td>
mlir
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
axeabc
</td>
</tr>
</table>
<pre>
git version: 761bf333e378b52614c
system: `Ubuntu 18.04.6 LTS`
reproduce with: `mlir-opt -convert-vector-to-llvm a.mlir`
a.mlir:
```
module {
llvm.func @extract(%arg0: vector<2xf16>) -> vector<1xf16> attributes {llvm.emit_c_interface} {
%0 = llvm.mlir.constant(-1.000000e+00 : f16) : f16
%1 = vector.extract %arg0[0] : vector<1xf16> from vector<2xf16>
llvm.return %1 : vector<1xf16>
}
}
```
stack trace:
```
mlir-opt: /data/szy/MLIR/llvm-release/llvm-project/llvm/include/llvm/Support/Casting.h:572: decltype(auto) llvm::cast(From &) [To = mlir::LLVM::LLVMArrayType, From = mlir::Type]: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible 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/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt -convert-vector-to-llvm a.mlir
#0 0x0000563f0157f128 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10d7128)
#1 0x0000563f0157cc3e llvm::sys::RunSignalHandlers() (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10d4c3e)
#2 0x0000563f0157fabd SignalHandler(int) Signals.cpp:0:0
#3 0x00007ff04b5a4420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
#4 0x00007ff04abe100b raise /build/glibc-LcI20x/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#5 0x00007ff04abc0859 abort /build/glibc-LcI20x/glibc-2.31/stdlib/abort.c:81:7
#6 0x00007ff04abc0729 get_sysdep_segment_value /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:509:8
#7 0x00007ff04abc0729 _nl_load_domain /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:970:34
#8 0x00007ff04abd1fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
#9 0x0000563f02747673 mlir::LLVM::ExtractValueOp::build(mlir::OpBuilder&, mlir::OperationState&, mlir::Value, llvm::ArrayRef<long>) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x229f673)
#10 0x0000563f04020d87 mlir::LLVM::ExtractValueOp mlir::OpBuilder::create<mlir::LLVM::ExtractValueOp, mlir::Value, llvm::SmallVector<long, 6u>>(mlir::Location, mlir::Value&&, llvm::SmallVector<long, 6u>&&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x3b78d87)
#11 0x0000563f040baa88 (anonymous namespace)::VectorExtractOpConversion::matchAndRewrite(mlir::vector::ExtractOp, mlir::vector::ExtractOpAdaptor, mlir::ConversionPatternRewriter&) const ConvertVectorToLLVM.cpp:0:0
#12 0x0000563f040ba68e mlir::ConvertOpToLLVMPattern<mlir::vector::ExtractOp>::matchAndRewrite(mlir::Operation*, llvm::ArrayRef<mlir::Value>, mlir::ConversionPatternRewriter&) const (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x3c1268e)
#13 0x0000563f046cfb11 mlir::ConversionPattern::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4227b11)
#14 0x0000563f0705ac91 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&)>)::$_0>(long) PatternApplicator.cpp:0:0
#15 0x0000563f0705794b 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&)>) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x6baf94b)
#16 0x0000563f046d0b53 (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*, mlir::ConversionPatternRewriter&) DialectConversion.cpp:0:0
#17 0x0000563f046cfbb7 mlir::OperationConverter::convert(mlir::ConversionPatternRewriter&, mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4227bb7)
#18 0x0000563f046d0d7f mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4228d7f)
#19 0x0000563f046d896b mlir::applyPartialConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x423096b)
#20 0x0000563f040d1606 (anonymous namespace)::ConvertVectorToLLVMPass::runOnOperation() ConvertVectorToLLVMPass.cpp:0:0
#21 0x0000563f046712d6 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c92d6)
#22 0x0000563f04671c40 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+0x41c9c40)
#23 0x0000563f04674282 mlir::PassManager::run(mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41cc282)
#24 0x0000563f0466cab1 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#25 0x0000563f0466c70b 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
#26 0x0000563f047193a5 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+0x42713a5)
#27 0x0000563f04667b35 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+0x41bfb35)
#28 0x0000563f04667ddf mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41bfddf)
#29 0x0000563f0466810e mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c010e)
#30 0x0000563f0155fd67 main (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10b7d67)
#31 0x00007ff04abc2083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
#32 0x0000563f0155f8ee _start (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10b78ee)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWl1vo7rW_jXujdXI2Hxe9CJNG70jtWrV9p3byBhDfTaxObbpbvavP7IhCZD0a2YyW-doj6YtYLPWep714WWAGiMqyfkFiC5BdHVGW_us9AV95TRnZ7kqNheVsPCFayOUBGQOkzjIS0IIJ0maRzgOQgbQFUDz7rfZGMvXbiKI0f_nrbQtDNIZCmcxvHl6BDEazta80apoGYd_Cvvc37WuhT5XjYXnTMkXru35C2dW6XOrzuv6ZQ3pzE2ZiOovkv7Ujfr_sDtfq6KtOQTJZXcOoRM1K1vJIAgRf7WaMgtwCnBEdYWcLZ1aQBb4tQxiQK4BzuA5INf7kaAfgdRaLfLWcuN0eNl8LeyKrYS0XJeUcZBcDfQDHCEIyFVnh7N9xpQ0lkpnxXkwQ_4fB_gSuYlz6DThbHfYw4BOUuAldVbNeixwiyS6RCC6giNEO7tLrdZHgO6Ee-s0t62WW0VHxGzng-Sqp393MPGDsZT9AZ2BfO-r4x7rw8BHBV4W1FKAl-avDcDL25tvDwAvnXHnmtecGr49bbT6F3ee9KcAL4VkdVvw_YXHtmmUdjMW1Fghq5mLvCjBTlPBWW03DQc4pa1VjnB_G5kDMmfUOOcsHWcAd96ILp-UZ38bfmR-c_P9dn8015punrzIBexuHc32Q9GVUz43hmsrlHRpIAwFZPGkfNyl32nt1TmtMQQYe1vI4mnTjbtBqqt2zaWFqoRCMrVuqBV5zWEHKAAYA5zAkoqaF7OO5fub6_njNTRtvhYWUpi3FdTc8QOtgs_WNsaZiZcALythn9t8xtR6T-aEc2FMyw3AS0hlAXvqoX3mkGlqnmFO2R_e-b36Rx8ORbtudtGAZgBl91pVmq53kMwPR0Heirpwf4UEePnZ2rLNUYIgenV5GMWkREGUlAFOBxFhNqY7uNdCWo_mycc2TveTNP1zpYzVnK69_xZQuCR33kx_ISZXKV4DVCSBD4c9hmCCgTHCj2F4aOWjqCSt_4_Kouba9HF1GjNDRvjITDylmuYFHBkEcNoz1102M9a4wEH-ZyeI9IKSskRhHtEwxAiuVpobqzRfadsjqkUO8PI1jVdxeF4L2b6eV7LtBhr7rDktZkbNUGexkzKyNxyqoTkPEMqhpsJwOABf1SJn5zfsG0avu1M8I4Hj0qMAeDmbubONKXjjkqeV4rW78OKtka079aJnzNWqAJB5sLckGlvCUBplkObKI_2cJbbo2PB3eSWpU5LslcRTJQnOYMXtqrN7ZXjlMnX1Quv20wwIaR3-WtFibSpGO9URypwBe93JMd0rWa_cjatCramQP6cyS1wQkXCvMx3rLIKyiD8ROMyFTOxDhpCyiEchkw1DHCdhEifk6MJx3a3h3x2Xd013rQeX7uffNZfumksMX1aGI1xTt5I8Wmr5wbCX6y7tq4Bfph54CciiVrLqu50TpD7GWRknZMeLK1CjKhsijIo0-QQv8BgV3UqtucNNFp8g9yNmHte0rr9vWx5PDl7AuHUU-bV3oEMxz_pRmXHvhs9J7qefxAUkT9IiTUYuCMYuyClNU6ebSiU3a9UaKOmam8YvblkPzJve03nXLPyS2m8UAJmvqWXPc1k88D-1cFE4YGrbQg78MXXF0Snzgjbu6mjmXvE9tZZr2WvUPYW-sYbdLNsZ_aRcPByuH44KPKUiTvmBNnvXdDJ6laNYO47OxctHvOwSF-D5mwk6DS0XLl_n4xSBxQIcp3wUWGTEZszKPAjes_XrHO1HfjPcEOMkD4IR3HAIN0ERZVkAX5QoBq50u05n_0p7d_rRrtfaxQijde2a5VU5jqwe4bxpasHoLsh-HV2Lt-3MlarhSHQvoGO4Y7sPxg_B_pSQ_cCNqgSj9QM3bW0_J7cvXgCHK9QV8K7yZvCA3OP1IZq4OMnC_JDVf1z0Ey46RbbGOS2zMB9lazwuTgXKI_LRqrdz1g2vaC3-2vYcdX_6Sc9-VKSvBK05s_tpx4MxOSiveXKsEexXrV2D1J2ObH3foqPtpUd1Em_52pqPe5R06q0iKT-PdTdsRrvzo-vqCODJIjLEOC2ScoQxm2BMs3hYXGjT1Jt7qq2g9aDf-mrIPVFdcTvIu-G0pVZ_8a3z-1B4fHP2XuhCyVJUJ-OKoCweZS-ebBuKIEbxR9l7pAu8p6Z_AqJbeScH_PnHH2_ccTQd8biNjpMAF_GArIJbKuqtn57UXeNEbZvarQ2TGmnMgSff9vFc0npjhLmlklbcN8puUXB_W-kf9hcnfPwUBizDg02vowRPKWEh-jIl96LhtZDT4uqm7pC-W6R-iKPxSmzMN2ms9g8k3RbkYKkeTug0dwO97fdUc2m_yVJtU-lkxTNgGQvRyA2TPjwJcYon1m_5OBqHv6PmB4zhFI_MDsdmx4zmAWy4LpVez9lhOT982Gps0T_ofKaaF6vG6lF_8qhazfhtpQG5fqPGOWALJS1_tQduv62FvmvsLRV9ARx2M3AwerxgRFN8CcrhW83Tj3RbO_itFP9u-QH8W75WenPZlmWXCbv5BS9pW9tVwWvun6W8cU__GGTYC06d8PG-ZsDTZ915cjx76_pe7IFXwli9OYyP92Lgje3G70Tyjmc-jtBxj5wEGaHRALtpamHnsrjXinFjtub-LXH3X5gV784YPSy0WsjKNapvXT5R35UEhEajmjzZc8RJTqLj2fC_lsunWfXyMidjhtMpw0VRvslw36qwZ9o1JfOvBs5H9JwMdlGMNj94svmJ0wDxXwL7b8HHUIBGz0Knb5OjsogT2L-8OsE71jwp4tEOevcqePsiDaOUwNWqFjlbGUu1XX3lVRoz7fblZXfoB70c_1KNhNj93qvHU_wp57BTfCoGUj5wwe4Tk7PighQZyegZvwgSHGUkizA6e74ICCacMErTkjPiiAowSuI0T1kUcJKfiQuMcIiyACFC0hDNaE6jNEEp5nme8KAEIeJrKuqZ_3RG6erMfxRxEaAki9Kzmua8Nv57K4x9WGIMoqszfeFx5W1lQIhqYazZS7DC1v4bLX9DdAVBdNm_Y4iuuk8ruIFCwn8-gfnKJzBnra4vfvwbl96jLxf4PwEAAP__TsQLAw">