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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Codegen faiilure: ran out of registers during register allocation"
href="https://llvm.org/bugs/show_bug.cgi?id=28755">28755</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Codegen faiilure: ran out of registers during register allocation
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<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>
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<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pirama@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, srhines@google.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16832" name="attach_16832" title="Zip archive with files to reproduce the crash">attachment 16832</a> <a href="attachment.cgi?id=16832&action=edit" title="Zip archive with files to reproduce the crash">[details]</a></span>
Zip archive with files to reproduce the crash
File class_linker.cc in a pending AOSP CL
(<a href="https://android-review.googlesource.com/#/c/251065/1/runtime/class_linker.cc">https://android-review.googlesource.com/#/c/251065/1/runtime/class_linker.cc</a>)
fails CodeGen with the following error:
fatal error: error in backend: ran out of registers during register allocation
clang++: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
Android clang version 3.8.271374 (based on LLVM 3.8.271374)
Target: i686--linux-android
Thread model: posix
InstalledDir: prebuilts/clang/host/linux-x86/clang-3016494/bin
clang++: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang++: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/class_linker-1e703f.cpp
clang++: note: diagnostic msg: /tmp/class_linker-1e703f.sh
clang++: note: diagnostic msg:
********************
A .zip file with class_linker-1e703f.cpp and class_linker-1e703f.sh is
attached.
Also attached is a reduced IR from bugpoint. With this IR, the following
command reproduces the crash:
llc class_linker-reduced.ll
Note that while the original source has inline assembly, the reduced test case
doesn't.</pre>
</div>
</p>
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