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<head>
<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 - polly crashes with "opt -polly-canonicalize -polly-codegen -adce -polly-codegen" while running pass 'Polly - Detect static control parts (SCoPs)'"
href="https://bugs.llvm.org/show_bug.cgi?id=34443">34443</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>polly crashes with "opt -polly-canonicalize -polly-codegen -adce -polly-codegen" while running pass 'Polly - Detect static control parts (SCoPs)'
</td>
</tr>
<tr>
<th>Product</th>
<td>Polly
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</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>Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>polly-dev@googlegroups.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>su@cs.ucdavis.edu
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ clangpolly -v
clang version 6.0.0 (<a href="http://llvm.org/git/clang.git">http://llvm.org/git/clang.git</a>
fc6ac77722c6bdc2508229af6f8aebfebe02f0fa) (<a href="http://llvm.org/git/llvm.git">http://llvm.org/git/llvm.git</a>
1ee1fb604621025bd2b1a681a09ab54ff69623d1)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/su/bin
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9.4
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4.7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.2.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$
$ clangpolly -O3 -mllvm -disable-llvm-optzns -c -emit-llvm -o small.bc small.c
$ optpolly -polly-canonicalize -polly-codegen -adce -polly-codegen -o
small-opt.bc small.bc
optpolly:
/home/su/software/tmp/polly/llvm/include/llvm/Analysis/RegionInfoImpl.h:353:
typename Tr::RegionNodeT*
llvm::RegionBase<RegionTr>::getNode(llvm::RegionBase<RegionTr>::BlockT*) const
[with Tr = llvm::RegionTraits<llvm::Function>; typename Tr::RegionNodeT =
llvm::RegionNode; llvm::RegionBase<RegionTr>::BlockT = llvm::BasicBlock]:
Assertion `contains(BB) && "Can get BB node out of this region!"' failed.
#0 0x00000000038af81a (optpolly+0x38af81a)
#1 0x00000000038af8ab (optpolly+0x38af8ab)
#2 0x00000000038adcc0 (optpolly+0x38adcc0)
#3 0x00000000038af19d (optpolly+0x38af19d)
#4 0x00007f9b5bb10330 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#5 0x00007f9b5a8f8c37 gsignal
/build/eglibc-SvCtMH/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#6 0x00007f9b5a8fc028 abort
/build/eglibc-SvCtMH/eglibc-2.19/stdlib/abort.c:91:0
#7 0x00007f9b5a8f1bf6 __assert_fail_base
/build/eglibc-SvCtMH/eglibc-2.19/assert/assert.c:92:0
#8 0x00007f9b5a8f1ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#9 0x0000000002aaf967 (optpolly+0x2aaf967)
#10 0x0000000002abe1ea (optpolly+0x2abe1ea)
#11 0x0000000002abb0f7 (optpolly+0x2abb0f7)
#12 0x0000000002ab7a07 (optpolly+0x2ab7a07)
#13 0x0000000002ab4952 (optpolly+0x2ab4952)
#14 0x0000000002aafd91 (optpolly+0x2aafd91)
#15 0x0000000003bf0c0f (optpolly+0x3bf0c0f)
#16 0x0000000003bf0a1a (optpolly+0x3bf0a1a)
#17 0x0000000003bf0a1a (optpolly+0x3bf0a1a)
#18 0x0000000003bf0a1a (optpolly+0x3bf0a1a)
#19 0x0000000003bf0a1a (optpolly+0x3bf0a1a)
#20 0x0000000003bebabf (optpolly+0x3bebabf)
#21 0x0000000003bf2a39 (optpolly+0x3bf2a39)
#22 0x0000000003193bcc (optpolly+0x3193bcc)
#23 0x0000000003193d5f (optpolly+0x3193d5f)
#24 0x00000000031940fa (optpolly+0x31940fa)
#25 0x0000000003194851 (optpolly+0x3194851)
#26 0x0000000003194a91 (optpolly+0x3194a91)
#27 0x00000000017fe118 (optpolly+0x17fe118)
#28 0x00007f9b5a8e3f45 __libc_start_main
/build/eglibc-SvCtMH/eglibc-2.19/csu/libc-start.c:321:0
#29 0x00000000017d7a29 (optpolly+0x17d7a29)
Stack dump:
0. Program arguments: optpolly -polly-canonicalize -polly-codegen -adce
-polly-codegen -o small-opt.bc small.bc
1. Running pass 'Function Pass Manager' on module 'small.bc'.
2. Running pass 'Polly - Detect static control parts (SCoPs)' on function
'@foo'
Aborted (core dumped)
$
------------------------------
int a, b, c, d, e;
void foo ()
{
for (d = 0; d; d++)
{
int g;
if (c)
while (a)
return;
else
{
if (b)
continue;
while (e)
;
}
}
}
int main ()
{
foo ();
return 0;
}</pre>
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