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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [MachineScheduler] UNREACHABLE executed at RegisterPressure.cpp:1147!"
href="https://bugs.llvm.org/show_bug.cgi?id=48609">48609</a>
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<th>Summary</th>
<td>[MachineScheduler] UNREACHABLE executed at RegisterPressure.cpp:1147!
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Common Code Generator Code
</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>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<pre>Created <span class=""><a href="attachment.cgi?id=24317" name="attach_24317" title="reduced testcase">attachment 24317</a> <a href="attachment.cgi?id=24317&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
llc -mcpu=arch13 -O3 -disable-machine-dce -verify-misched -stress-sched
tc_misched_regpress.ll
PDiff: GR32Bit 1 GRH32Bit 1
DELTA: %1:gr64bit = COPY $r2d
Excess1 GRX32Bit -2
RegP Delta Mismatch
UNREACHABLE executed at llvm/lib/CodeGen/RegisterPressure.cpp:1147!</pre>
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