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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - LLVM Crashed in X86 DAG->DAG Instruction Selection, with -fprofile-generate"
href="https://bugs.llvm.org/show_bug.cgi?id=33365">33365</a>
</td>
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<tr>
<th>Summary</th>
<td>LLVM Crashed in X86 DAG->DAG Instruction Selection, with -fprofile-generate
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>4.0
</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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>GlobalISel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>cmtice@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Chrome normally builds with clang without a problem, but if I try adding the
flag '-fprofile-generate', the compilation crashes.
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module
'../../../../../chromeos-cache/distfiles/target/chrome-src-internal/src/ui/gfx/transform_util.cc'.
4. Running pass 'X86 DAG->DAG Instruction Selection' on function
'@_ZN3gfx18DecomposeTransformEPNS_19DecomposedTransformERKNS_9TransformE'
clang-5.0: error: unable to execute command: Segmentation fault (core dumped)
clang-5.0: error: clang frontend command failed due to signal (use -v to see
invocation)
Chromium OS 5.0_pre300080-r7 clang version 5.0.0
(/var/cache/chromeos-cache/distfiles/host/egit-src/clang.git
8ae674d121a0c39b4ae6e83d10caad3fd29dce13)
(/var/cache/chromeos-cache/distfiles/host/egit-src/llvm.git
3183fbc849f015fd085ce6724e85ae1de65db4e6) (based on LLVM 5.0.0svn)
Target: x86_64-cros-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-5.0: 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-5.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-5.0: note: diagnostic msg:
/build/falco/tmp/portage/chromeos-base/chromeos-chrome-61.0.3123.0_rc-r1/temp/transform_util-e1da80.cpp
clang-5.0: note: diagnostic msg:
/build/falco/tmp/portage/chromeos-base/chromeos-chrome-61.0.3123.0_rc-r1/temp/transform_util-e1da80.sh
clang-5.0: note: diagnostic msg:
********************
I'm attaching the two files created by the crash.</pre>
</div>
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