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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 - [MemorySSA] Assertion `&*ALI == *AAI && "Not the same accesses in the same order"' failed"
href="https://bugs.llvm.org/show_bug.cgi?id=36787">36787</a>
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<tr>
<th>Summary</th>
<td>[MemorySSA] Assertion `&*ALI == *AAI && "Not the same accesses in the same order"' failed
</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>Linux
</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>Global Analyses
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=20087" name="attach_20087" title="reduced testcase">attachment 20087</a> <a href="attachment.cgi?id=20087&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
bin/opt -S -mtriple=s390x-linux-gnu -mcpu=z13 -mem2reg -simplifycfg -early-cse
-gvn-hoist tc_memssa.ll
opt: ./llvm/llvm-dev/lib/Analysis/MemorySSA.cpp:1701: void
llvm::MemorySSA::verifyOrdering(llvm::Function&) const: Assertion `&*ALI ==
*AAI && "Not the same accesses in the same order"' failed.
#0 0x000002aa0dc8b9e4 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(bin/opt+0x108b9e4)
#1 0x000002aa0dc898bc llvm::sys::RunSignalHandlers() (bin/opt+0x10898bc)
#2 0x000002aa0dc89a5a SignalHandler(int) (bin/opt+0x1089a5a)
#3 0x000002aa27a71afe
#4 0x000003ffaf5381b8 gsignal (/lib/s390x-linux-gnu/libc.so.6+0x381b8)
#5 0x000003ffaf539726 abort (/lib/s390x-linux-gnu/libc.so.6+0x39726)
#6 0x000003ffaf5300d6 (/lib/s390x-linux-gnu/libc.so.6+0x300d6)
#7 0x000003ffaf530164 (/lib/s390x-linux-gnu/libc.so.6+0x30164)
#8 0x000002aa0d10ec7c llvm::MemorySSA::verifyOrdering(llvm::Function&) const
(bin/opt+0x50ec7c)
#9 0x000002aa0d116b44 llvm::MemorySSA::verifyMemorySSA() const
(bin/opt+0x516b44)
#10 0x000002aa0d6c7a72
llvm::PMDataManager::verifyPreservedAnalysis(llvm::Pass*) (bin/opt+0xac7a72)
#11 0x000002aa0d6cbf50 llvm::FPPassManager::runOnFunction(llvm::Function&)
(bin/opt+0xacbf50)
#12 0x000002aa0d6cc142 llvm::FPPassManager::runOnModule(llvm::Module&)
(bin/opt+0xacc142)
#13 0x000002aa0d6cbafc llvm::legacy::PassManagerImpl::run(llvm::Module&)
(bin/opt+0xacbafc)
#14 0x000002aa0ceee326 main (bin/opt+0x2ee326)
#15 0x000003ffaf522ece __libc_start_main
(/lib/s390x-linux-gnu/libc.so.6+0x22ece)
#16 0x000002aa0cf24394 _start (bin/opt+0x324394)
Stack dump:
0. Program arguments: bin/opt -S -mtriple=s390x-linux-gnu -mcpu=z13
-mem2reg -simplifycfg -early-cse -gvn-hoist tc_memssa.ll
1. Running pass 'Function Pass Manager' on module 'tc_memssa.ll'.
Aborted</pre>
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