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<base href="https://llvm.org/bugs/" />
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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 --- - ARM inline assembly causes a crash."
href="https://llvm.org/bugs/show_bug.cgi?id=25330">25330</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ARM inline assembly causes a crash.
</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>
<tr>
<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>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>rich@pennware.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=15176" name="attach_15176" title="The .ll file.">attachment 15176</a> <a href="attachment.cgi?id=15176&action=edit" title="The .ll file.">[details]</a></span>
The .ll file.
The attached .ll file, which was generated from a bugpoint reduction of a
compiler crash while compiling the Linux kernel, causes llc to crash:
[~] dev% ~/llvm-dir/bin/llc bugpoint-reduced-simplified.ll
llc: /home/rich/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:632: const
llvm::SDValue& llvm::SDNode::getOperand(unsigned int) const: Assertion `Num <
NumOperands && "Invalid child # of SDNode!"' failed.
#0 0x19417a5 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/rich/llvm-dir/bin/llc+0x19417a5)
#1 0x1940886 llvm::sys::RunSignalHandlers()
(/home/rich/llvm-dir/bin/llc+0x1940886)
#2 0x1940aa4 (/home/rich/llvm-dir/bin/llc+0x1940aa4)
#3 0x37bf6100d0 __restore_rt (/lib64/libpthread.so.0+0x37bf6100d0)
#4 0x37bea348d7 __GI_raise (/lib64/libc.so.6+0x37bea348d7)
#5 0x37bea3653a __GI_abort (/lib64/libc.so.6+0x37bea3653a)
#6 0x37bea2d47d __assert_fail_base (/lib64/libc.so.6+0x37bea2d47d)
#7 0x37bea2d532 (/lib64/libc.so.6+0x37bea2d532)
#8 0x5e032c _init (/home/rich/llvm-dir/bin/llc+0x5e032c)
#9 0xc4bf66 (/home/rich/llvm-dir/bin/llc+0xc4bf66)
#10 0xc4ff55 (/home/rich/llvm-dir/bin/llc+0xc4ff55)
#11 0x10d770b llvm::SelectionDAGISel::DoInstructionSelection()
(/home/rich/llvm-dir/bin/llc+0x10d770b)
#12 0x10df839 llvm::SelectionDAGISel::CodeGenAndEmitDAG()
(/home/rich/llvm-dir/bin/llc+0x10df839)
#13 0x10e3ffe llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function
const&) (/home/rich/llvm-dir/bin/llc+0x10e3ffe)
#14 0x10e5ab0
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(/home/rich/llvm-dir/bin/llc+0x10e5ab0)
#15 0xc55564 (/home/rich/llvm-dir/bin/llc+0xc55564)
#16 0x18b7dd3 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/home/rich/llvm-dir/bin/llc+0x18b7dd3)
#17 0x18b841b llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/rich/llvm-dir/bin/llc+0x18b841b)
#18 0x69cd66 (/home/rich/llvm-dir/bin/llc+0x69cd66)
#19 0x661848 main (/home/rich/llvm-dir/bin/llc+0x661848)
#20 0x37bea1ffe0 __libc_start_main (/lib64/libc.so.6+0x37bea1ffe0)
#21 0x695417 _start (/home/rich/llvm-dir/bin/llc+0x695417)
Stack dump:
0. Program arguments: /home/rich/llvm-dir/bin/llc
bugpoint-reduced-simplified.ll
1. Running pass 'Function Pass Manager' on module
'bugpoint-reduced-simplified.ll'.
2. Running pass 'ARM Instruction Selection' on function
'@optidma_init_one'
Abort (core dumped)</pre>
</div>
</p>
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