<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - PPC64: unreachable reached in PPCELFObjectWriter due to missing modifier mapping"
href="http://llvm.org/bugs/show_bug.cgi?id=15347">15347</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>PPC64: unreachable reached in PPCELFObjectWriter due to missing modifier mapping
</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>
<tr>
<th>OS</th>
<td>Windows NT
</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: PowerPC
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kai@redstar.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=10069" name="attach_10069" title=".ll file demonstrating the bug">attachment 10069</a> <a href="attachment.cgi?id=10069&action=edit" title=".ll file demonstrating the bug">[details]</a></span>
.ll file demonstrating the bug
The attached .ll file produces this failure with the command line llc -O3
-filetype=obj lifetime1.ll:
[u0012540@172-29-171-183 build-ldc]$ llc -O1 -filetype=obj lifetime1.ll
Unsupported Modifier
UNREACHABLE executed at
/home/u0012540/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp:155!
0 llc 0x0000000011669834 llvm::sys::PrintStackTrace(_IO_FILE*) +
4286051804
1 llc 0x0000000011669b8c
2 llc 0x0000000011669310
3 0x00000fffa8e20418 __kernel_sigtramp_rt64 + 0
4 libc.so.6 0x00000080ab4c6ef8 abort + 4293479848
5 llc 0x000000001160bb1c llvm::llvm_unreachable_internal(char const*,
char const*, unsigned int) + 4285693876
6 llc 0x0000000010aafe10
7 llc 0x0000000010ab000c
8 llc 0x000000001152ca3c
9 llc 0x000000001152ed6c
10 llc 0x0000000011556e34
llvm::MCAssembler::handleFixup(llvm::MCAsmLayout const&, llvm::MCFragment&,
llvm::MCFixup const&) + 4285012748
11 llc 0x00000000115573f4 llvm::MCAssembler::Finish() + 4285014188
12 llc 0x000000001159b9bc llvm::MCObjectStreamer::FinishImpl() +
4285268212
13 llc 0x0000000011587804 llvm::MCELFStreamer::FinishImpl() + 4285192236
14 llc 0x00000000115a3c60 llvm::MCStreamer::Finish() + 4285298808
15 llc 0x0000000010ad49f0 llvm::AsmPrinter::doFinalization(llvm::Module&)
+ 4274757400
16 llc 0x00000000107b2c90
17 llc 0x00000000114db42c
llvm::FPPassManager::doFinalization(llvm::Module&) + 4284552260
18 llc 0x00000000114dba34 llvm::MPPassManager::runOnModule(llvm::Module&)
+ 4284553788
19 llc 0x00000000114dc120 llvm::PassManagerImpl::run(llvm::Module&) +
4284555464
20 llc 0x00000000114dc53c llvm::PassManager::run(llvm::Module&) +
4284556340
21 llc 0x0000000010408518
22 llc 0x0000000010407490 main + 4268011896
23 libc.so.6 0x00000080ab4abcf8
24 libc.so.6 0x00000080ab4abef0 __libc_start_main + 4293374496
Stack dump:
0. Program arguments: llc -O1 -filetype=obj lifetime1.ll
Aborted (core dumped)
Root cause is a missing mapping for the VK_PPC_TPREL16_LO modifier.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>