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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Greedy RegAlloc fails with "Overlapping insert" assertion"
href="https://bugs.llvm.org/show_bug.cgi?id=49129">49129</a>
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<th>Summary</th>
<td>Greedy RegAlloc fails with "Overlapping insert" assertion
</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>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Register Allocator
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>Matthew.Arsenault@amd.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, quentin.colombet@gmail.com
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24510" name="attach_24510" title="Testcase">attachment 24510</a> <a href="attachment.cgi?id=24510&action=edit" title="Testcase">[details]</a></span>
Testcase
Attached testcase fails with
llc: /home/matt/src/llvm-project/llvm/include/llvm/ADT/IntervalMap.h:644:
unsigned int llvm::IntervalMapImpl::LeafNode<llvm::SlotIndex,
llvm::LiveInterval *, 8,
llvm::IntervalMapInfo<llvm::SlotIndex>>::insertFrom(unsigned int &, unsigned
int, KeyT, KeyT, ValT) [KeyT = llvm::SlotIndex, ValT = llvm::LiveInterval *, N
= 8, Traits = llvm::IntervalMapInfo<llvm::SlotIndex>]: Assertion `(i == Size ||
Traits::stopLess(b, start(i))) && "Overlapping insert"' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.</pre>
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