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<body><span class="vcard"><a class="email" href="mailto:haris@nvidia.com" title="Hari Sandanagobalane <haris@nvidia.com>"> <span class="fn">Hari Sandanagobalane</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - instcombine/const folding segfaults with attached module"
href="https://llvm.org/bugs/show_bug.cgi?id=28725">bug 28725</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - instcombine/const folding segfaults with attached module"
href="https://llvm.org/bugs/show_bug.cgi?id=28725#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - instcombine/const folding segfaults with attached module"
href="https://llvm.org/bugs/show_bug.cgi?id=28725">bug 28725</a>
from <span class="vcard"><a class="email" href="mailto:haris@nvidia.com" title="Hari Sandanagobalane <haris@nvidia.com>"> <span class="fn">Hari Sandanagobalane</span></a>
</span></b>
<pre>A second failure with similar stack trace (source file attached)
#0 0x00007fb0d91bb23f llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/home/tlutz/git/llvm/lib/Support/Unix/Signals.inc:402:0
#1 0x00007fb0d91bb601 PrintStackTraceSignalHandler(void*)
/home/tlutz/git/llvm/lib/Support/Unix/Signals.inc:470:0
#2 0x00007fb0d91b9944 llvm::sys::RunSignalHandlers()
/home/tlutz/git/llvm/lib/Support/Signals.cpp:44:0
#3 0x00007fb0d91baba8 SignalHandler(int)
/home/tlutz/git/llvm/lib/Support/Unix/Signals.inc:256:0
#4 0x00007fb0d7bff870 __restore_rt (/lib64/libpthread.so.0+0xf870)
#5 0x00007fb0da759a66 llvm::Value::getType() const
/home/tlutz/git/llvm/include/llvm/IR/Value.h:227:0
#6 0x00007fb0da7bb611 llvm::InstCombiner::visitZExt(llvm::ZExtInst&)
/home/tlutz/git/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp:832:0
#7 0x00007fb0da769631 llvm::InstVisitor<llvm::InstCombiner,
llvm::Instruction*>::visit(llvm::Instruction&)
/home/tlutz/git/llvm/include/llvm/IR/Instruction.def:162:0
#8 0x00007fb0da757f1e llvm::InstCombiner::run()
/home/tlutz/git/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:2912:0
#9 0x00007fb0da758e4e combineInstructionsOverFunction(llvm::Function&,
llvm::InstCombineWorklist&, llvm::AAResults*, llvm::AssumptionCache&,
llvm::TargetLibraryInfo&, llvm::DominatorTree&, bool, llvm::LoopInfo*)
/home/tlutz/git/llvm/lib/Transforms/InstCombine/Instruction
Combining.cpp:3141:0
#10 0x00007fb0da759133
llvm::InstructionCombiningPass::runOnFunction(llvm::Function&)
/home/tlutz/git/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:3199:0
#11 0x00007fb0db5b24d4 llvm::FPPassManager::runOnFunction(llvm::Function&)
/home/tlutz/git/llvm/lib/IR/LegacyPassManager.cpp:1526:0
#12 0x00007fb0db5b2667 llvm::FPPassManager::runOnModule(llvm::Module&)
/home/tlutz/git/llvm/lib/IR/LegacyPassManager.cpp:1547:0
#13 0x00007fb0db5b29f3 (anonymous
namespace)::MPPassManager::runOnModule(llvm::Module&)
/home/tlutz/git/llvm/lib/IR/LegacyPassManager.cpp:1603:0
#14 0x00007fb0db5b30e4 llvm::legacy::PassManagerImpl::run(llvm::Module&)
/home/tlutz/git/llvm/lib/IR/LegacyPassManager.cpp:1706:0
#15 0x00007fb0db5b3325 llvm::legacy::PassManager::run(llvm::Module&)
/home/tlutz/git/llvm/lib/IR/LegacyPassManager.cpp:1738:0
#16 0x0000000000471535 (opt+0x471535)
#17 0x00007fb0d7049b05 __libc_start_main (/lib64/libc.so.6+0x21b05)
#18 0x0000000000457339 (opt+0x457339)
Stack dump:
0. Program arguments: opt -instcombine crash2.ll
1. Running pass 'Function Pass Manager' on module 'crash2.ll'.
2. Running pass 'Combine redundant instructions' on function '@fn2'</pre>
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