<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/116356>116356</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(%cond: tensor<i1>, %on_true: tensor<4xf32>, %on_false: tensor<4xf32>) -> () {
    %select_result = "tosa.select"(%cond, %on_true, %on_false) : (tensor<i1>, tensor<4xf32>, tensor<4xf32>) -> tensor<4xf32>
    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 0x000063bab71063b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (./mlir-opt+0x10723b8)
 #1 0x000063bab7103ede llvm::sys::RunSignalHandlers() (./mlir-opt+0x106fede)
 #2 0x000063bab7106dc8 SignalHandler(int) Signals.cpp:0:0
 #3 0x00007b8698701520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007b86987559fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x00007b8698701476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007b86986e77f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x00007b86986e771b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x00007b86986f8e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x000063bab9d39775 elementwiseMatchAndRewriteHelper(mlir::Operation*, mlir::ValueRange, mlir::ConversionPatternRewriter&, mlir::TypeConverter const&) TosaToLinalg.cpp:0:0
#10 0x000063bab9d503f6 mlir::OpConversionPattern<mlir::tosa::SelectOp>::matchAndRewrite(mlir::Operation*, llvm::ArrayRef<mlir::Value>, mlir::ConversionPatternRewriter&) const (./mlir-opt+0x3cbc3f6)
#11 0x000063baba3df521 mlir::ConversionPattern::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const (./mlir-opt+0x434b521)
#12 0x000063babc3eb18a 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&)>)::$_0>(long) PatternApplicator.cpp:0:0
#13 0x000063babc3e7dcf mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>) (./mlir-opt+0x6353dcf)
#14 0x000063baba3e051d (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*, mlir::ConversionPatternRewriter&) DialectConversion.cpp:0:0
#15 0x000063baba3df5b7 mlir::OperationConverter::convert(mlir::ConversionPatternRewriter&, mlir::Operation*) (./mlir-opt+0x434b5b7)
#16 0x000063baba3e075f mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>) (./mlir-opt+0x434c75f)
#17 0x000063baba3e817e mlir::applyFullConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) (./mlir-opt+0x435417e)
#18 0x000063bab9d25823 (anonymous namespace)::TosaToLinalg::runOnOperation() TosaToLinalgPass.cpp:0:0
#19 0x000063baba3826df mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (./mlir-opt+0x42ee6df)
#20 0x000063baba382ec2 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (./mlir-opt+0x42eeec2)
#21 0x000063baba3885de auto void mlir::parallelForEach<__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_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)::$_0&&)::'lambda'(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&)::operator()<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&>(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&) const Pass.cpp:0:0
#22 0x000063baba3846cb mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool) (./mlir-opt+0x42f06cb)
#23 0x000063baba38283c mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (./mlir-opt+0x42ee83c)
#24 0x000063baba382ec2 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (./mlir-opt+0x42eeec2)
#25 0x000063baba38566e mlir::PassManager::run(mlir::Operation*) (./mlir-opt+0x42f166e)
#26 0x000063baba37e192 performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#27 0x000063baba37ddfb llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_0>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#28 0x000063baba427ae5 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 0x000063baba378ff2 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (./mlir-opt+0x42e4ff2)
#30 0x000063baba3792a3 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x42e52a3)
#31 0x000063baba3794b2 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (./mlir-opt+0x42e54b2)
#32 0x000063bab70e55d7 main (./mlir-opt+0x10515d7)
#33 0x00007b86986e8d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#34 0x00007b86986e8e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#35 0x000063bab70e5145 _start (./mlir-opt+0x1051145)
Aborted (core dumped)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWt1u27gSfhrmhoghkfq9yIXr1NgCDRqkwd4alDiSdUqROiTVJvv0B_qxLcp2E3fb3bOLLLx1JNIz33wzHI5GZMZUpQS4QeE7FN5esdZulb55qgyTpXeVKf588wjGYiVxruq6sogu8dbaxiC6RGSNyLqs7LbNFrmqEVkL8XX3dd1o9R_ILSLr8adkHYVBkkU0DLjP09QDP0-TmEZFCHFOOSRxlAHPE0DeLfKWxkJjsFVYQ6MVb3PolPZDKPLGT39Zi0pfq8ZiC8Yuuit83TBjrpuqAVFJQPQWEZK1lbCVXNSKtwIQSYpW5ovuH0QSqwy7tupaVJKJ8lqyGjgiK_c2Imn_ISdhdNpxzsx5nL1ijOJ3wzXGewQYBV7NKolIgkiYK8k7qi1IozSiq8pH9D0iK4xIqOTG6hac8eCpoMSZUjBhzs1J8TWi73GvK53Cwd2PDQjI7UaDaYXFiN5iREjHw2IY6cw_oHQxzdR30umyU3RsyUns58Eej-wxa7CtlrtrFN-O5O__cL2Qa2a22Gr2ckAN4NdbVQMi629Kf-GVngX4tZ8eIr-SuWg5HG4sbx8RWX-umRC_Q26VXmwRXZLU70RrKECDzAH3s-kS0eVk6iPUjWAWVqqulUR0dXJWd1_JsmOvp6X7dFNUA5p14_3aRiQx1R-wsc_N4Jbw3WPv21fJDG87uEtjQNtKSYwir-JPGNEV7qQOgYRIjAtWCeCLgcX7j--Xn99j02Z1ZTHDWVt2a1lp263qi9NIZUwLBpE1ZpLjkWlst4AHj2Ys_9J7dVT_2bL8C-Zt3ezd7C1w_9-9VqVmNWa6bGuQtsOBF4is95nklNcn2eUovfy03DJEMSLUw96T53leRDOWxX73nUy8ZZ7N8Me9rqTtbX3sQ5okh0mafdsoYzWwGpGoc2clbe9-kkzNReSd9-R7MaFZ4oDwZyAocDgF4qGVn6tSMvEbk1yANrvcclJPVEC3RiZ6yNxYnifYkYhIMmIfbptF3nSO9fr_94LoKCjOkihNYs8PiTckurWoMkTWT0m0iYKO8_bpupTtMJAvjFpEPbyAhMRzwAWuzDBMixw3dquB8c2XSojLFKRRWuSOgnAOOogjXJrezkvBB3HkyI4c2RHEcUExy7pFeJFkksQFdSTHR5L97GKZfubITFyZRQJpdJlMmkLqMpBOYyvlNI3jEIOAbuF_qwzcMZtvl5I_wDddWfgNRNOHWxe0Q3R_6lNppSQiy24RHUZ-Z6KFByZLcO-vlPwK2lRK3jNrQctRuB6X4WHm43MDw2wLGudKGtvPSfGjMuxRfeyTw3Gwd4vTcy0LPVpEeAr7CAaiq8N4l3_G1N9v7J-a_eZRu5x8l41DOlhqzZ4foHC09BSN2_trCUoHIk6mD5pnOS0OLu6IcNIUo7wIif89ZZcbeRi5FG9AgywkvoPXSXc5hcxPGP6qKj4hs9s7OgAb3RPaj44b7c5LOROi2_U2hevYEeKyaUSV9zXAT7Z3dR5nplSfs44ETGN7DIcXjf1TQg4DH1VZ5Uw8jBXta-SmwzAiwcbrbyRDQZTiI3JPr006c3HM8-KY1TcX_QkXnVxuEQ0pzwtnuQVuegAv9HvsTCr5XKvW4K4kM01fPqUztj9CyUT1B4xoxHj5Ste8lOduK9al3sO009EUHiW4LMYn9O93kjFBDJcO1tdvTa5Vp-nus1sWO3RHc7rjsHg92P2wcUrZk3uLg_B8TAQ0yOPQjYl4BjLxY5iAZE0jntetEAe6Lvb4I9Ml2EncTqettfoDdtyPnvh8dvZB6ErJoirPWxoGfgyOpYlbJZAwIfSl6J_WHuOjRCs_yYnVybxEuWfmRE3eAUhdqhMS8Wk8cLCsEjtaH9WnphO15KzZp0XdyllKMOaI-PMuWUomnk1l7phkZRfoK9zlwO67lX0LjH_vwSggABF3wod4c5sgJxfbdL97fnQjq5u6h_rdNflDRro7hzEfpLG6fwxW-sTWMp0waB4GRuz3TIO0H2ShdqF7PlcQAMiJw-OsckuSkANmrVVDOXQA0jDNhACxVvo9y7eIrjabUrab_OlpmLDZSKVrJjZdLht21NWlDplE-NI8y_xD3QhEkoHH_cZwf9eZO1JlLB_uf911Tn6t0olGJoTK_wpLx67SrIT_eYomVdZB_N3HDw8rJS082ZHqN4f_HQ5_Y_3ftcy6HSWa3IsFqzPOEIkRSd6c_dc72_HHvms_Pun_YsujIeu-uf1vc_vYOTpbPRMyq5CCKM9-cno4U60VXpRnTrVG51VvQvN_WiWf0NyxKXir5H9KJT9rUSRhFMFM_c6gk5Hwqm4DKfwoch5vyazbEIOfEtyALpSul_lxI-H4ndg-C5gt08A3jdXuy1bV6hzuSo3o-zPP58fF6mRMVPpTY-9YNT68O13-yejp9T9rVMScFxk-1zj7kU7b3vxWVv9t4cj8O6iVfn7XFsUQi_v5HArWCrvhIMDC-d_si5rzTni5pz3h6bXu_OX2HNCNbbwHKCtj9fNxfHwvBo4egnbv3v8vPPNyhDoNJhaQmEE4sd00orJLye-1ysGYHdy_Je7-gaviuzOmY5-trmT5AMXZ2-d6hillEDpJddayi5OiIKfD-d-2GM_td0FROPsdnXUA45QwepaicbvOt2zYmJeXuu4l-87iDgmjDm5_jjvIzrv2Etw_CjDIXGLdsyAehCGPcc0qeeY0SeiH3HkBMTsEEkHC0wsPgZCUp54jM5jLhMDDm033s42xTNvNDuIlWiBwtYRz2_0gxIP8s9b7wWHtLjOlLfQvt3KloT_9BPygYnfM7YrfUJ7SlF3BjR9TP4r8hKRX25vUC4qgKOIgKmicBBAWXgrc55wWaRhn_lV1QzwS-L4feqnvkXTBCs_nUcrDPIl4FgEKPKhZJRZdmCyULq_6g1s3vh_RMLoSLANh-hOnhPQhQwgKb6_0TX_cK2tLgwJPVMaagwRbWdGfUu3qLBTeosj7xQc8MYo8bHVVlqDN5OTbmlWi1XD2BNxVq8XNjx9tG0n6ekP-FwAA__-j9GpL">