<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55361>55361</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [OpenMP][NVPTX] fatal error: error in backend
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          ye-luo
      </td>
    </tr>
</table>

<pre>
    ```
fatal error: error in backend: Cannot select: t21: i64,ch = stacksave t20
In function: __omp_offloading_31_7be1e41b__ZN11qmcplusplus21MatrixUpdateOMPTargetISt7complexIdES2_E11mw_evalGradINS_10TinyVectorIS2_Lj3EEEEEvRKNS_19RefVectorWithLeaderIS3_EERKSt6vectorIPKS2_SaISD_EEiRSB_IT_SaISI_EE_l173
clang-15: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 15.0.0 (https://github.com/llvm/llvm-project.git a4190037fac06c2b0cc71b8bb90de9e6b570ebb5)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /soft/compilers/llvm/master-nightly/bin
clang-15: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-15: note: diagnostic msg: /tmp/DiracDeterminantBatched-48e2c5.cpp
clang-15: note: diagnostic msg: /tmp/DiracDeterminantBatched-0a8b34.cpp
clang-15: note: diagnostic msg: /tmp/DiracDeterminantBatched-48e2c5.sh
clang-15: note: diagnostic msg: 

********************
```
[bug_report.zip](https://github.com/llvm/llvm-project/files/8656192/bug_report.zip)


</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJytVEtz2zYQ_jXUBSMNCb7Egw62JTsay5ZGUpJOLxwQXFJwIIAFQFnOr--Csp1memjTmgPisbvY_fbDApWuX2ZBFr62cB6EVw1zTBIwRpsgvrpMiFCkYvwbqNrLbphS2hELErjzAkcjP4gsCegNP5AgnhPrcINlJ0Dtq-ulIk2vuBNaefOy1Meu1E0jNauFass4KvMKIkiiqix_f4yiP468k731P40emDPi_LmrmYP1w2bPTAtuuXM5RzcSzst6saPlIoqOzyWcmLwzrF4-7soo3Av18gWharNEi9VTvPDfaXvvtcUWmovyq3CHFbAa0CwuF4vt_c5lp8u-zT3u3LHlbo4Ksd1dl8v9sF7iupRRHl9S5JKpdhyl79T5ySAkjdHKIYME8R4Zjg0TEmryjGEJnIVDRQ0kD0lAp70FMj4Rp5FlQPpPmrOBN1r8JRA5gbEoJVE6CSfDxoNzncWgAb3F1qLvvppgRFxIeXobxp3RT5jZBA0IS6IiDOO8YTzMOK1CzvOomlZVEdZQQFaleQhVlb7HvlDvMztPszJLxr36pvSzGkuh-vO4Vf2r3cEgneSIaUlv3Wkrzm-lgPUhMf25GChCXFY3Dgd_msiLsT8QH5l1YMZKtAcnX1BQCfV3urEkwY-1YK3S1glOjrYdnA-2Af0f7eJh6DerxdVuQa72-6ubT2T_aUFu16vV-uvy8Y7cLleLHdmvB_H15zuyXWzW270_j8teA8g8B2vx4K3uDQc8M0y1IL4imLWaC6zvmpheEcuN6Ny7gQEifRmglrl3l_-SAnrrjh32yDfjc0A-j0Ix5a6Z4weox8kUKE8nvOs-1G3IplWcfLjbV7T28B_K4KOK4ednM0ivq74t8Xy1cZPvogvS-S9fR1w2WPu-9KdZmkUF9cX-s9u3S3jpR_Usrou4YCMnnIQZwlh3oB42Pnx6_fhls_8Np-QfXvVRb-Tsl7EKa_sBbJrGWTQ6zJJpEwItkiTmVU2jqk4YzfMwS3KeTAuejCSrQFqPEkGNxIyGlIZpFOLzk8XFpMr5dMqrNKFJlrAiCpIQjvhKTnzgiTbtyMwGDMiJRaUU1tkfSrw-olUwsBBQ-lRrMA0YhEp9ONa7gzazFxjLXo8G8LMB-Z9qsCrb">