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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 - Unconditional crash with aarch64-simdinstr-opt enabled"
href="https://bugs.llvm.org/show_bug.cgi?id=49867">49867</a>
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<th>Summary</th>
<td>Unconditional crash with aarch64-simdinstr-opt enabled
</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>
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<th>OS</th>
<td>All
</td>
</tr>
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<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>Backend: AArch64
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>simonas+llvm.org@kazlauskas.me
</td>
</tr>
<tr>
<th>CC</th>
<td>arnaud.degrandmaison@arm.com, llvm-bugs@lists.llvm.org, smithp352@googlemail.com, Ties.Stuij@arm.com
</td>
</tr></table>
<p>
<div>
<pre>; RUN: opt --aarch64-simdinstr-opt -mtriple=aarch64 < %s
define void @banana() {
ret void
}
Crashes immediately every time with the following backtrace:
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments:
/opt/compiler-explorer/clang-assertions-trunk/bin/opt -o ./output.s -S
--aarch64-simdinstr-opt -mtriple=aarch64 <source>
#0 0x00005589de11be7c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x2f3ce7c)
#1 0x00005589de119b44 llvm::sys::RunSignalHandlers()
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x2f3ab44)
#2 0x00005589de119cb3 SignalHandler(int) Signals.cpp:0:0
#3 0x00007fd89b0203c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#4 0x00005589dd45ac47
llvm::MachineModuleInfo::MachineModuleInfo(llvm::LLVMTargetMachine const*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x227bc47)
#5 0x00005589dd45bc76
llvm::MachineModuleInfoWrapperPass::MachineModuleInfoWrapperPass(llvm::LLVMTargetMachine
const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x227cc76)
#6 0x00005589dd45bca8 llvm::Pass*
llvm::callDefaultCtor<llvm::MachineModuleInfoWrapperPass>()
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x227cca8)
#7 0x00005589dd8c741d llvm::PMTopLevelManager::schedulePass(llvm::Pass*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x26e841d)
#8 0x00005589dbbdc940 main
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x9fd940)
#9 0x00007fd89aad10b3 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x270b3)
#10 0x00005589dbcb5cca _start
(/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xad6cca)
Compiler returned: 255
<a href="https://llvm.godbolt.org/z/Wvc4TT3j3">https://llvm.godbolt.org/z/Wvc4TT3j3</a></pre>
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