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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 - Segmentation fault in opt with -x86-codegen switch"
href="https://bugs.llvm.org/show_bug.cgi?id=43277">43277</a>
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<th>Summary</th>
<td>Segmentation fault in opt with -x86-codegen switch
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
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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>
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<th>Component</th>
<td>Backend: X86
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>llvm-dev@redking.me.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, spatel+llvm@rotateright.com
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=22485" name="attach_22485" title="a.ll">attachment 22485</a> <a href="attachment.cgi?id=22485&action=edit" title="a.ll">[details]</a></span>
a.ll
Reported here:
<a href="https://lists.llvm.org/pipermail/llvm-dev/2019-September/135045.html">https://lists.llvm.org/pipermail/llvm-dev/2019-September/135045.html</a>
opt -S -o a.out.ll a.ll -x86-codegen
The traces of the error is as follows.
Stack dump:
0. Program arguments: /home/raghesh/code/mirror/llvm-project/build/bin/opt
-S -o a.out.ll a.ll -x86-codegen
#0 0x00007ff5339d728a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0x76528a)
#1 0x00007ff5339d4f64 llvm::sys::RunSignalHandlers()
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0x762f64)
#2 0x00007ff5339d50a2 SignalHandler(int)
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0x7630a2)
#3 0x00007ff53291ef20 (/lib/x86_64-linux-gnu/libc.so.6+0x3ef20)
#4 0x00007ff533d86080
llvm::MachineModuleInfo::MachineModuleInfo(llvm::LLVMTargetMachine const*)
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0xb14080)
#5 0x00007ff533d86178 llvm::Pass*
llvm::callDefaultCtor<llvm::MachineModuleInfo>()
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0xb14178)
#6 0x00007ff533b0c83d llvm::PMTopLevelManager::schedulePass(llvm::Pass*)
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0x89a83d)
#7 0x00007ff533b0c9a3 llvm::PMTopLevelManager::schedulePass(llvm::Pass*)
(/home/raghesh/code/mirror/llvm-project/build/bin/../lib/libLLVM-10svn.so+0x89a9a3)
#8 0x0000557729456ac4 main
(/home/raghesh/code/mirror/llvm-project/build/bin/opt+0x1dac4)
#9 0x00007ff532901b97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#10 0x000055772945795a _start
(/home/raghesh/code/mirror/llvm-project/build/bin/opt+0x1e95a)
Segmentation fault (core dumped)</pre>
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