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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - x86_64 AsmPrinter crashes when dealing with vbroadcastq"
href="https://bugs.llvm.org/show_bug.cgi?id=43952">43952</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>x86_64 AsmPrinter crashes when dealing with vbroadcastq
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</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>Backend: X86
</td>
</tr>
<tr>
<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>craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, spatel+llvm@rotateright.com
</td>
</tr></table>
<p>
<div>
<pre>define void @x() unnamed_addr #0 {
start:
tail call void asm sideeffect inteldialect "vpbroadcastq zmm0{k1}, $0",
"m,~{dirflag},~{fpsr},~{flags}"(i64 123) #1
ret void
}
crashes with
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-trunk/bin/llc -o
./output.s -x86-asm-syntax=intel <source>
1. Running pass 'Function Pass Manager' on module '<source>'.
2. Running pass 'X86 Assembly Printer' on function '@x'
#0 0x0000561429ed57fa llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x236d7fa)
#1 0x0000561429ed3594 llvm::sys::RunSignalHandlers()
(/opt/compiler-explorer/clang-trunk/bin/llc+0x236b594)
#2 0x0000561429ed36d2 SignalHandler(int)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x236b6d2)
#3 0x00007f0e2dc6a890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x0000561429333454
llvm::AsmPrinter::GetBlockAddressSymbol(llvm::BlockAddress const*) const
(/opt/compiler-explorer/clang-trunk/bin/llc+0x17cb454)
#5 0x0000561428d3a57b
llvm::X86AsmPrinter::PrintIntelMemReference(llvm::MachineInstr const*, unsigned
int, llvm::raw_ostream&) (/opt/compiler-explorer/clang-trunk/bin/llc+0x11d257b)
#6 0x0000561428d3ac80
llvm::X86AsmPrinter::PrintAsmMemoryOperand(llvm::MachineInstr const*, unsigned
int, char const*, llvm::raw_ostream&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x11d2c80)
#7 0x0000561429344c49 llvm::AsmPrinter::EmitInlineAsm(llvm::MachineInstr
const*) const (/opt/compiler-explorer/clang-trunk/bin/llc+0x17dcc49)
#8 0x00005614293400eb llvm::AsmPrinter::EmitFunctionBody()
(/opt/compiler-explorer/clang-trunk/bin/llc+0x17d80eb)
#9 0x0000561428d37dbf
llvm::X86AsmPrinter::runOnMachineFunction(llvm::MachineFunction&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x11cfdbf)
#10 0x000056142950ca20
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x19a4a20)
#11 0x000056142985ba1f llvm::FPPassManager::runOnFunction(llvm::Function&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x1cf3a1f)
#12 0x000056142985c1f1 llvm::FPPassManager::runOnModule(llvm::Module&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x1cf41f1)
#13 0x000056142985c5f1 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/opt/compiler-explorer/clang-trunk/bin/llc+0x1cf45f1)
#14 0x000056142826c3e4 main
(/opt/compiler-explorer/clang-trunk/bin/llc+0x7043e4)
#15 0x00007f0e2cb28b97 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b97)
#16 0x00005614282e81fa _start
(/opt/compiler-explorer/clang-trunk/bin/llc+0x7801fa)
Compiler returned: 255</pre>
</div>
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