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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>
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<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>
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<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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