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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [AssumptionCache] Assertion "Cache contains multiple copies of a call! "' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=49043">49043</a>
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<th>Summary</th>
<td>[AssumptionCache] Assertion "Cache contains multiple copies of a call! "' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Scalar Optimizations
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=24484" name="attach_24484" title="reduced testcase">attachment 24484</a> <a href="attachment.cgi?id=24484&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
opt -mtriple=s390x-unknown-linux -mcpu=z13 -O3 -enable-gvn-sink tc.ll
AssumptionCache.cpp:246: void
llvm::AssumptionCache::registerAssumption(llvm::CallInst*): Assertion
`AssumptionSet.insert(VH).second && "Cache contains multiple copies of a
call!"' failed.
#11 0x000002aa164a48b6 (anonymous namespace)::LoopUnroll::runOnLoop
A git bisect showed that f88a797 "[LoopDeletion] Allows deletion of possibly
infinite side-effect free loops" seems to be the first commit that resulted in
/ exposed this error.</pre>
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