<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/107811>107811</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[mlir] [vector] -lower-vector-mask crashes in auto llvm::cast_if_present(Y *) [X = mlir::vector::MaskableOpInterface, Y = mlir::Operation]: Assertion `isa<X>(Val) && "cast_if_present<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: 0f5033053a3d4
system: `Ubuntu 18.04.6 LTS`
reproduce with: `mlir-opt -lower-vector-mask a.mlir`
a.mlir:
```
func.func @bitcast_rank1_mask_scalm(%arg0: vector<2xf32>) ->vector <2xf32> {
%mask = arith.constant dense<[0, 1]> : vector<2xi1>
%0 = vector.mask %mask { vector.bitcast %arg0 : vector<2xf32> to vector<2xf32> } : vector<2xi1> -> vector<2xf32>
return %0 : vector<2xf32>
}
```
stack trace:
```
mlir-opt: /data/szy/MLIR/llvm-release/llvm-project/llvm/include/llvm/Support/Casting.h:706: auto llvm::cast_if_present(Y *) [X = mlir::vector::MaskableOpInterface, Y = mlir::Operation]: Assertion `isa<X>(Val) && "cast_if_present<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 -lower-vector-mask a.mlir
#0 0x000056102496bff8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10d3ff8)
#1 0x0000561024969b0e llvm::sys::RunSignalHandlers() (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10d1b0e)
#2 0x000056102496c98d SignalHandler(int) Signals.cpp:0:0
#3 0x00007f94f4044420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
#4 0x00007f94f368100b raise /build/glibc-LcI20x/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#5 0x00007f94f3660859 abort /build/glibc-LcI20x/glibc-2.31/stdlib/abort.c:81:7
#6 0x00007f94f3660729 get_sysdep_segment_value /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:509:8
#7 0x00007f94f3660729 _nl_load_domain /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:970:34
#8 0x00007f94f3671fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
#9 0x0000561026f9e1ed auto llvm::cast_or_null<mlir::vector::MaskableOpInterface, mlir::Operation>(mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x37061ed)
#10 0x0000561026f9dec2 (anonymous namespace)::MaskOpRewritePattern<mlir::vector::TransferReadOp>::matchAndRewrite(mlir::vector::MaskOp, mlir::PatternRewriter&) const LowerVectorMask.cpp:0:0
#11 0x000056102a438aa1 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&)>)::$_0>(long) PatternApplicator.cpp:0:0
#12 0x000056102a43575b mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x6b9d75b)
#13 0x0000561027ad428f (anonymous namespace)::GreedyPatternRewriteDriver::processWorklist() GreedyPatternRewriteDriver.cpp:0:0
#14 0x0000561027ad0abf mlir::applyPatternsAndFoldGreedily(mlir::Region&, mlir::FrozenRewritePatternSet const&, mlir::GreedyRewriteConfig, bool*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x4238abf)
#15 0x0000561026f9f03b (anonymous namespace)::LowerVectorMaskPass::runOnOperation() LowerVectorMask.cpp:0:0
#16 0x0000561027a58e26 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c0e26)
#17 0x0000561027a59790 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c1790)
#18 0x0000561027a5eb4e mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_0::operator()(mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&) const Pass.cpp:0:0
#19 0x0000561027a5ae6b mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c2e6b)
#20 0x0000561027a58f78 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c0f78)
#21 0x0000561027a59790 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+0x41c1790)
#22 0x0000561027a5bdd2 mlir::PassManager::run(mlir::Operation*) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41c3dd2)
#23 0x0000561027a54601 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#24 0x0000561027a5425b 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
#25 0x0000561027b00ef5 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+0x4268ef5)
#26 0x0000561027a4f685 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+0x41b7685)
#27 0x0000561027a4f92f mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41b792f)
#28 0x0000561027a4fc5e mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x41b7c5e)
#29 0x000056102494cc37 main (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10b4c37)
#30 0x00007f94f3662083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
#31 0x000056102494c7be _start (/data/szy/MLIR/llvm-release/llvm-project/build/bin/mlir-opt+0x10b47be)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWl1z4ygW_TXkhYoLoe-HPDhOe7erOpVU0js786RC4sphGyMtoHQ8v34LJH9IcTrp6Xhmd2equh1LoHvvuedwASNmjFgpgAsUX6L46ox19qHRF-wJWFmdlQ3fXKyExY-gjWgUCueY1DEJQxKHLOQRIleIzPtPszEW1q4LSsg_yk7ZDgfZjESzBH_6fI8ScthbQ6sb3lWAvwr7MDy1lkKfN63F57L5Cvr8ESrb6PM1M18wm7nWiZXhZjhculb_D_fXdaeqmfvAKCKlsBUzttBMfQkKZ7MwFZNrRDNEY6ZXxEXRu0Thgj7VIUXhB0RzfI7CD30DPmjBKL3s_WCMaOyjROEVZlrYh1nVKGOZspiDMoDCBYovCaILHKD4yj899iYC52xvjnhbfYdZb3vrI73c3h8w4QHA1OYQp22O3ETp1dEQPNgjaRgi02A7rbYBHstXz0R6dZwSY1n1BVvNKtjTdrTnVgxeG3TJmWWILs2vG0SX158-3iG6lPJxfa5BAjOwvWx18y-o7HCJ6FKoSnYc9jfuu7ZttOuxYMYKtZo5_aUkcZ5YZxvsO4ZzFM69YkRdtBoMKIto9gtGdO5EgeLLnz1HWwmG820y3PdrZr6wUsJN-1FZ0LUDTBf4l8kjNy1oZt3YcqqY47kxoN21Gw_CMBQufvYqzH5i0rulCaIJRpROYwsXnzd9V9eP6VW3BmVxU2OhqmbdMitKCdhuWkA0QJQimuKaCQl81qf89tOH-f0HbLpyLSxmuOxWWINLltPQg7WtcVHTJaLLlbAPXTmrmvU-sxMChDEdGESXmCmOBx6wfQBcaWYecMmqL14Jg_t7rw3erdudNMgMkfxWNyvN1jtI5jdLouyE5O6vUIgu31BuetUjGhJMngghJE4CQqM8Kes6O9CJ2Zj-y60Wynogn73GabbvpNnXojFWA1t7FhdYOEk5TrN3hIPoJXkKCA_r2ilhjyGYYMhLAscw3HXqXqwUk39nikvQZpDUacIMSgKjMOkkzCrPOB4FhGg2ZK6_bWZV6zRD_P-doXAwlNZ5VEckiiJKcFFoMLbRUGg7IJKiRHT5lCVFEp1Lobqn85Xq-obWPmhgfGaaGekjdlZG8UaHbsIkCwgpsWbCAD4Av5KirM4_VR8pedpd0lkYuFx6FIguZzN3tTEcWjduOiWe-huPPhrVuUtvelahcB4HKJwH-0jicSQJyeIcs7LxSN8WieV9NvxT3knmnKR7J8nUSUpzvAJb9HEXBlZukBaPTHZvzoBQ1uGXDeNrs6pY7zomuQtg7zs95rtQsnAPFrxZM6F-zGWeOhGF0d5nNvaZBjVP3iCcykkm8ZIJw5onI8nkhxJP6hwC4EennkYXqpMShYvvmmWOzS9-ZjjWMExn7z-4w5QkAfAdcleCyAQ5h4o630w1arNuOoMVW4NpPZB8D_KmvYOvWli4ZdaCVi9m5LNmytSg74Dxm9ah9rfXzFYPc8UHK6NUTBN6045zOLgcHtW-dufYL_DwJzdz_OQNuEefFyIHelR4WRRmjAX4sRH8gG63THV0FBpqFC58a193dxgqJqWbM4t6DH-Ib962UlRsB-VbkMfsvwZ28XKcZdNIPDI9GOjz0-fKa-8bRrZgf8jIvuFTsxIVk3dgOmnfZndQGqJRQfqRIhu1cjQ_S-5xiumE4jiNy-dZ_YuiH6DoFCUqKXOexuWoRIWHVKaMRzSrXytRf9MAfDMm5kqLRxhAtbqpwJh_NvqLFA6WX1C9_NRxkUWTyAgr6wNdsLaVW2tmrviykdy7EHIzSvEdrLyukrGulrr5FdS4zt6DPWDisHcf_NB70aharFwHp7bTTSkRDTNW1iO-4smUUpOwfI2vSdm-ZWZY--pO3aiDoed5elORT8bkxBnQ5CBdHCwTcju0Pzc3rXM656zdVQPdqclIMObZ4H-5LMwVkxsjzDVTbOXKwpaMBe6U_5mHn3DDEQUVAZqMmEknKcnTnHx3Sm5FC1KoaXF0XXdIk3fP0bjeGvNRGav97rPRRwryYYdhueUbhthvmQZlP6q62Q6mkw2QoArSnIxoyCY0QBnBd9NwMCrmZqOqj-tWIpr12RtPn-5r4zu7XPklzCF37-fvpr29dkkdrcicseMjNJ_kgUFSvnMeTkQphWQ0R1EyLTZ1mv3Jik2dZqOUBH8Vm_-CYkPphIaSczqJfpuPozr8HfalUVCFnNNR2JNFXxwlJMAt6LrR67lfw5pXfsszlg-_oz0wDbxorR4tee-bTldwvdIo_PDCksoBWzTKwpN9Rvu1FPqmtddMqH6xdbhAxgetR2sfjab4aFzil9bjv2UBv4PfKfHvDp7Bv4Z1ozeXXV33I2HXn0PNOmkLDhIsvPyM2wVPthdTEl7fKh_k6a10nhzPProrwSRU1i3PjdWb5_r4lgZe2MH-nki-wczrCh0t49OSEKjjA-ymlcLOFb_td1LbcP8Q3f0Pjopv9jhsu7daqNUd1C_ePtHGLsmgjkc1ebKjiuoki4-Phv-3sXyaWa9Mk2yc4XSa4ZzWL2Z4WKpUD6xflMy_VzivpedksHM6-sWAZlPYVQzvAvsPwlfFMMKXj0_QoqoKUzycjZzgCK-MqjA9DGB3Wro9p6EkC3FRSFFWhbFM2-J7Tmoq023PxvqvvtHb8Wc2YUTd5959MMWfloB7x6fKQFoeULB7k-GMX4Q8D3N2BhdBSuMsCaIkP3u4yCsapGFSpYQnYZDFUVnGQGsKcZrwKCvPxAUlNCI5yUkcp1E-I3FWkjQmSRICLyFGEYE1E3Lm4pw1enXmj9svApJmQXAmWQnS-Nd6KPWypBTFV2f6wuMqu5VBEZHCWLO3YIWV_lUg_0B8hVF8ORyOxFfHTsn9OT4YLNSf9cWJs07Li9_-ZsTA1uMF_U8AAAD__y6ThiU">