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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Bad machine code: Multiple connected components in live interval"
href="https://bugs.llvm.org/show_bug.cgi?id=39481">39481</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Bad machine code: Multiple connected components in live interval
</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>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Common Code Generator Code
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>francisvm@yahoo.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>build/bin/llc -verify-machineinstrs -mtriple=x86_64-linux-gnu -start-before
greedy -stop-after virtregrewriter -o -
test/DebugInfo/X86/live-debug-vars-discard-invalid.mir
*** Bad machine code: Multiple connected components in live interval ***
- function: foobar
- interval: %0
[16r,16d:5)[144r,144d:4)[160r,160d:3)[176r,176d:2)[192r,192d:1)[224r,224d:0)
0@224r 1@192r 2@176r 3@160r 4@144r 5@16r weight:INF
0: valnos 0
1: valnos 1
2: valnos 2
3: valnos 3
4: valnos 4
5: valnos 5
*** Bad machine code: Multiple connected components in live interval ***
- function: foobar
- interval: %2 [64r,64d:3)[80r,80d:2)[96r,96d:1)[112r,112d:0) 0@112r 1@96r
2@80r 3@64r weight:INF
0: valnos 0
1: valnos 1
2: valnos 2
3: valnos 3
LLVM ERROR: Found 2 machine code errors.</pre>
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