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    <body><span class="vcard"><a class="email" href="mailto:mikael.holmen@ericsson.com" title="Mikael Holmén <mikael.holmen@ericsson.com>"> <span class="fn">Mikael Holmén</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - SelectionDAG.cpp:900: bool llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion `N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed. with llc -O1"
   href="https://bugs.llvm.org/show_bug.cgi?id=47517">bug 47517</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>FIXED
           </td>
           <td>---
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>RESOLVED
           </td>
           <td>REOPENED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - SelectionDAG.cpp:900: bool llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion `N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed. with llc -O1"
   href="https://bugs.llvm.org/show_bug.cgi?id=47517#c12">Comment # 12</a>
              on <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - SelectionDAG.cpp:900: bool llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion `N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed. with llc -O1"
   href="https://bugs.llvm.org/show_bug.cgi?id=47517">bug 47517</a>
              from <span class="vcard"><a class="email" href="mailto:mikael.holmen@ericsson.com" title="Mikael Holmén <mikael.holmen@ericsson.com>"> <span class="fn">Mikael Holmén</span></a>
</span></b>
        <pre>Hi!

Unfortunately we found a new problem related to this in our downstream testing.

Reproduce with:
 llc -O1 -o - bbi-47958_ppc.ll -mtriple=powerpc-unknown-linux-gnu

Result:
llc: ../lib/CodeGen/SelectionDAG/SelectionDAG.cpp:900: bool
llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion
`N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed.

This starts happening wiith the fix <a href="https://reviews.llvm.org/D87698">https://reviews.llvm.org/D87698</a> submitted
as a2fb5446be.

If I revert a2fb5446be this crash goes away.

I haven't tried this out on 11.x, only on trunk.</pre>
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