<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/116351>116351</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [MLIR]-pass-pipeline="builtin.module(func.func(tosa-to-linalg-named,,tosa-to-linalg))" triggers Assertion Failure `idx < size()'
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          xisang0
      </td>
    </tr>
</table>

<pre>
    Test on commit: https://github.com/llvm/llvm-project/commit/6548b6354d1d990e1c98736f5e7c3de876bedc8e
steps to reproduce:
```
mlir-opt test.mlir -pass-pipeline="builtin.module(func.func(tosa-to-linalg-named,,tosa-to-linalg))"
```
test case:
```
module {
  func.func @main(%arg0: tensor<1x32x32x8xi1>, %arg1: tensor<32x8xf32>, %arg2: tensor<i1>) -> () {
    %0 = tosa.select %arg0, %arg1, %arg2 : (tensor<1x32x32x8xi1>, tensor<32x8xf32>, tensor<i1>) -> tensor<1x32x32x8xf32>
    return
  }
}
```
crash trace:
```
mlir-opt: /home/workdir/llvm-project-19/llvm/include/llvm/ADT/SmallVector.h:291: reference llvm::SmallVectorTemplateCommon<llvm::SmallVector<long, 2>>::operator[](size_type) [T = llvm::SmallVector<long, 2>]: Assertion `idx < size()' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: ./mlir-opt /home/workdir/test.mlir -pass-pipeline=builtin.module(func.func(tosa-to-linalg-named,tosa-to-linalg))
 #0 0x000065290fbe83b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (./mlir-opt+0x10723b8)
 #1 0x000065290fbe5ede llvm::sys::RunSignalHandlers() (./mlir-opt+0x106fede)
 #2 0x000065290fbe8dc8 SignalHandler(int) Signals.cpp:0:0
 #3 0x0000716ee6a6e520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000716ee6ac29fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x0000716ee6a6e476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x0000716ee6a547f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x0000716ee6a5471b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x0000716ee6a65e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x000065291281b775 elementwiseMatchAndRewriteHelper(mlir::Operation*, mlir::ValueRange, mlir::ConversionPatternRewriter&, mlir::TypeConverter const&) TosaToLinalg.cpp:0:0
#10 0x00006529128323f6 mlir::OpConversionPattern<mlir::tosa::SelectOp>::matchAndRewrite(mlir::Operation*, llvm::ArrayRef<mlir::Value>, mlir::ConversionPatternRewriter&) const (./mlir-opt+0x3cbc3f6)
#11 0x0000652912ec1521 mlir::ConversionPattern::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const (./mlir-opt+0x434b521)
#12 0x0000652914ecd18a 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&)>)::$_0>(long) PatternApplicator.cpp:0:0
#13 0x0000652914ec9dcf mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>) (./mlir-opt+0x6353dcf)
#14 0x0000652912ec251d (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*, mlir::ConversionPatternRewriter&) DialectConversion.cpp:0:0
#15 0x0000652912ec15b7 mlir::OperationConverter::convert(mlir::ConversionPatternRewriter&, mlir::Operation*) (./mlir-opt+0x434b5b7)
#16 0x0000652912ec275f mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>) (./mlir-opt+0x434c75f)
#17 0x0000652912eca17e mlir::applyFullConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) (./mlir-opt+0x435417e)
#18 0x0000652912807823 (anonymous namespace)::TosaToLinalg::runOnOperation() TosaToLinalgPass.cpp:0:0
#19 0x0000652912e646df mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (./mlir-opt+0x42ee6df)
#20 0x0000652912e64ec2 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (./mlir-opt+0x42eeec2)
#21 0x0000652912e6a5de auto void mlir::parallelForEach<__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_0>(mlir::MLIRContext*, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_0&&)::'lambda'(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&)::operator()<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&>(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&) const Pass.cpp:0:0
#22 0x0000652912e666cb mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool) (./mlir-opt+0x42f06cb)
#23 0x0000652912e6483c mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (./mlir-opt+0x42ee83c)
#24 0x0000652912e64ec2 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (./mlir-opt+0x42eeec2)
#25 0x0000652912e6766e mlir::PassManager::run(mlir::Operation*) (./mlir-opt+0x42f166e)
#26 0x0000652912e60192 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#27 0x0000652912e5fdfb llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#28 0x0000652912f09ae5 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) (./mlir-opt+0x4393ae5)
#29 0x0000652912e5aff2 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (./mlir-opt+0x42e4ff2)
#30 0x0000652912e5b2a3 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x42e52a3)
#31 0x0000652912e5b4b2 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x42e54b2)
#32 0x000065290fbc75d7 main (./mlir-opt+0x10515d7)
#33 0x0000716ee6a55d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#34 0x0000716ee6a55e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#35 0x000065290fbc7145 _start (./mlir-opt+0x1051145)
Aborted (core dumped)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWt1u27gSfhrmhoghkfq9yIXr1NgCDRqkwd4aFDWSdUqROiTVJvv0B_qxLcp2Enfb3bOLFm4SiaOZb74ZDkc0mTFVKQFuUPgOhbdXrLVbpW-eKsNk6V1lKn--eQRjsZKYq7quLKJLvLW2MYguEVkjsi4ru22zBVc1Imshvu5-XTda_Qe4RWQ9PkrWURgkWUTDIPfzNPXA52kS06gIIeY0hySOMsh5Asi7Rd7SWGgMtgpraLTKWw6d0X4IRd746S9rUelr1VhswdhFd4WvG2bMdVM1ICoJiN4iQrK2EraSi1rlrQBEkqKVfNH9QCSxyrBrq65FJZkoryWrIUdkhcjKHUEk7T_kJJIOAObMnIfa28YofjdcY7wHgVHg1aySiCSIhEyXXse2BWmURnTlP1HSfZKnykf0PSIrPIj5jlgvUVDiiBBHZHw-xdeIvse9uXSKCHdPeRjRW9z5vjAggFu8AzUxfDCAOwsdjS_APYfxDLATqsZn9jg12FbL3TWKb0fO93-45HPNzBZbzV5PpcGd9VbVgMj6m9Jf8krPUvvaTw85X0ku2hwON5a3j4isP9dMiN-BW6UXW0SXJO3DpaEADZID7qXpEtHlRPQR6kYwCytV10oiujop1d1Xsuwo7GnpPp2IakCzbryf1YgkpvoDNva5gT7Q4bvHPrZv0hnednCXxoC2lZIYRV6VP2FEV7jTOiQPIjEuWCUgXwws3n98v_z8Hps2qyuLGc7aspvFSttuPl9cQCpjWjCIrDGTOR6ZxnYLeIhoxviXPqqj-c-W8S84b-tmH2Zvgft_91qVmtWY6bKtQdoOB14gst7XkFNRf6GufE9ROVlRhiRGhHrYe_I8z4tCknpFBgnNkkmwzLMZ_rjXlbS9q499RpPkIKTZt40yVgOrEYm6aFbS9tEnydRbRN55T74XE5olDgh_BiKEHE6BeGjl56qUTPzGZC5Am105OWknKqCbIhM7ZO5szhPsaEQkGbEPt82CN11cvf7_XhEdFcV-BBCxCELiDbVtLaoMkfVTEm2ioOO8fbouZTsM8IVRi6iHF5CQeA64wNXJSVpw3NitBpZvvlRCXGYgjdKCOwbCOeggjnBpej8vBR_EkaM7cnWHQVxQzLJuDl6kmSRxQR3N8ZFmP7tYp585OpMZEyGk0WU6aQqpy0A6yS2fJH4WxyEGAd28_1YZuGOWb5cyf4BvurLwG4imT7cuaYfs_tRX0kpJRJbdJDqM_M5ECw9MluDeXyn5FbSplLxn1oKWo3I9TsOD5ONzA4O0BY25ksb2Mil-VIY9qo99cThO9m5yeq5nlNAiwlPYRzAQXR3Gu_ozVv5-af_U7NeO2uXkRTYO5WCpNXt-gMKx0lM0LvFvJSgdiDhZPijPOC0OIe6I8B0igPsh8V8ydrmTh5FL8QY0yELiO3in5c4PgOd-wvBXVeUTMru1owOw0T2h_ei4zu6ixJkQ3aK3KdzAjhCXTSMq3rcAP9jf1XmcmVJ9zTpSMM3tMR1edfZPKTkMfFRlxZl4ANMK-za96TCMSLDx-hvJ0A-l-Ijc03OTzkKc5rw4ZvVXiP5EiE5Ot4iGNOeFM92CWXkgod9jZ1LJ51q1BnctmWn69imdsf0RSiaqP2BEI8bLN4bmtTp3W7Gu9B7ETmdTeFTgshifsL9fScYCMVw6WN--NLlenaa7r25Z7NAdzemOw-LtYPfDxmllT64tDsLzORHQgMehmxPxDCTzY5iAZE0jntetEAe6Lo74I9Ml2EneTsXWWv0BO-7HSHw-K31QulKyqMrznoaBH4PjaeJ2CV6cEPpa9k97j_FVopWf5MTrZN6i3DNzoifvALgNGERBlE_zIQfLKrGj9VF9ajpVy5w1-7KoWzkrCcYcEX8-JEvJxLOpzB2TrOwSfYW7Gtj9bmW_95W_9GIUEIAod9KHeHOfgJOLfbrfvT-6mdWJ7qG-OCe_y0l35TDmgzRW92_BSp9YWqYCg-VhYMR-zzRI-0EWape652sFAQBOHB5nnVvEwhwwa60a2qEDkIZpJgSItdLvGd8iutpsStlu-NPTILDZSKVrJjZdLRtW1NWlAZlk-NI8S_6hbgQiycDjfmG4v-vcHakyNh_uf91tnPxcoxOLTAjF_wpPx02lWQv_4wxNuqyD-ruPHx5WSlp4siPVvwL-dwT8F-v_rmnWrSjR5F4sWJ3lDJEYkeRXsP_6YDvx2G_aj2_6P9nzaKi6v8L-t4V93Dk62z0TMuuQoohnP7g8nOnWCi_imdOt0XnXm1D-T-vkE8odn4JfnfwP6eRnWxRRHEUwM79z6GQmvGm3gRR-FDmvt2S22xB5fkpwA7pQul7y442E4-_E9lXAbJmGfNNY7X7XqlrN4a7UiL4_835-3KxOxkSlPzX2jlXjy7uzyz8ZPT3_ZxsVYZEXGT63cfY9O21791tZ_beFI_fvoFb6-V1bFEMu7uVzKFgr7CYHARbOP7Nvas4H4fU97QlPbw3nT_fngG7cxnuAsjJWPx_nx0s5cPQStPvq_f8iMq9nqLvBVHgpg3Diu2lEZZcyv9eKgzE7uH9L3v0DZ8WLEtOxz1ZXsnyA4uztc3uGKWUQOkV1tmUXsqIgp9P53zYZz613QVE46x2d7QCGGWH0LEXjcs23bFiYl5eG7jX_zuIOCaMObn-OO8jOh_YS3N8LMMhcYmdnQXgc5jGuWSXPnCYJ_TB3voCYHwIJwzy98BAISfPUc3QGc50QeHiz6R7bGMu03ewgXmIFAtdKOPfdD0I86D_rvR8c5u4yU9pC_-UWVxr6w0-QH0zsTrld5Tc0T2nKruDGj6kfRV4Yxlfbm4DmURLGhc-iOKVpnESBF0aQxyFNmc_zq-qGeCTwfT_0kiD140USZR6hIQSFzyEvAAUe1KwSiy5NFkqXV_25rRvfj2joXwmWgTD9UVNC-pQhBIW3V_qmP-2VtaVBgScqY81Bg62s6I-ndn0WCm9__rFObHVVlqDN5NDbmlWi1XD28NtVq8XN959qGwn6ekP-FwAA___qUFkL">