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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - llvm/lib/Analysis/MemorySSAUpdater.cpp:366: void llvm::MemorySSAUpdater::fixupDefs(const llvm::SmallVectorImpl<llvm::MemoryAccess*>&): Assertion `MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new access"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=37808">37808</a>
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<th>Summary</th>
<td>llvm/lib/Analysis/MemorySSAUpdater.cpp:366: void llvm::MemorySSAUpdater::fixupDefs(const llvm::SmallVectorImpl<llvm::MemoryAccess*>&): Assertion `MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new access"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>opt
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>balarishi.bhogadi@amd.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=20430" name="attach_20430" title="Error message">attachment 20430</a> <a href="attachment.cgi?id=20430&action=edit" title="Error message">[details]</a></span>
Error message
Bug Description:
Facing the below assertion failure with the latest version:
--
opt:
/home/amd/JENKINS/workspace/CPUPC_Mirror_Branch/llvm/lib/Analysis/MemorySSAUpdater.cpp:366:
void llvm::MemorySSAUpdater::fixupDefs(const
llvm::SmallVectorImpl<llvm::MemoryAccess*>&): Assertion
`MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new access"'
failed.
Stack dump:
--
This issue is faced with the fix given for <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Assertion failure with GVNHoist: Assertion `MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new access"' failed."
href="show_bug.cgi?id=36484">Bug 36484</a>.
Attached: input IR file and error message file
=========
Steps to reproduce:
- Download the attached file
- Extract the file using command "tar -xvf gvnhoist_issue_input.o.tar.xz"
- Execute the below with the recent version of llvm: opt -S -gvn-hoist -o
gvnhoist_issue_output.o gvnhoist_issue_input.o
=========</pre>
</div>
</p>
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