<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LoopDeletion: lib/IR/Value.cpp:79: virtual llvm::Value::~Value(): Assertion `use_empty() && "Uses remain when a value is destroyed!"' failed."
href="http://llvm.org/bugs/show_bug.cgi?id=18616">18616</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>LoopDeletion: lib/IR/Value.cpp:79: virtual llvm::Value::~Value(): Assertion `use_empty() && "Uses remain when a value is destroyed!"' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</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>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hfinkel@anl.gov
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=11939" name="attach_11939" title="bugpoint reduced test case">attachment 11939</a> <a href="attachment.cgi?id=11939&action=edit" title="bugpoint reduced test case">[details]</a></span>
bugpoint reduced test case
Runnng: opt -loop-unswitch -instcombine -loop-deletion -loop-unroll
loop-del-bugpoint-reduced-simplified.ll will crash:
While deleting: i32 %conv568.i.i.i
Use still stuck around after Def is destroyed: store i32 %conv568.i.i.i, i32*
getelementptr inbounds ([2 x [5 x i32]]* @g_220, i64 0, i64 0, i64 1), align 4,
!tbaa !5
...
lib/IR/Value.cpp:79: virtual llvm::Value::~Value(): Assertion `use_empty() &&
"Uses remain when a value is destroyed!"' failed.
...
2. Running pass 'Loop Pass Manager' on function '@main'
3. Running pass 'Delete dead loops' on basic block '%for.body565.i.i.i'</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>