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<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 - gvn crashes: Assertion `castIsValid(op, S, Ty) && "Invalid cast!"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=43832">43832</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>gvn crashes: Assertion `castIsValid(op, S, Ty) && "Invalid cast!"' 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>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>cszide@163.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=22740" name="attach_22740" title="fallbackSort.bc">attachment 22740</a> <a href="attachment.cgi?id=22740&action=edit" title="fallbackSort.bc">[details]</a></span>
fallbackSort.bc
$clang -v
clang version 10.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
7cd301677461b16a1a5a437a6f6be0b5f0125eaf)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.4.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.4.0
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$opt -mem2reg -loop-unroll -loop-simplifycfg -early-cse -load-store-vectorizer
-indvars -loop-rotate -loop-unroll -break-crit-edges -loop-reduce -gvn
fallbackSort.bc
WARNING: You're attempting to print out a bitcode file.
This is inadvisable as it may cause display problems. If
you REALLY want to taste LLVM bitcode first-hand, you
can force output with the `-f' option.
opt:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/llvm/lib/IR/Instructions.cpp:2749:
static llvm::CastInst* llvm::CastInst::Create(llvm::Instruction::CastOps,
llvm::Value*, llvm::Type*, const llvm::Twine&, llvm::Instruction*): Assertion
`castIsValid(op, S, Ty) && "Invalid cast!"' failed.
Stack dump:
0. Program arguments:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt -mem2reg
-loop-unroll -loop-simplifycfg -early-cse -load-store-vectorizer -indvars
-loop-rotate -loop-unroll -break-crit-edges -loop-reduce -gvn fallbackSort.bc
1. Running pass 'Function Pass Manager' on module 'fallbackSort.bc'.
2. Running pass 'Global Value Numbering' on function '@fallbackSort'
#0 0x0000562f500bceaa llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x286aeaa)
#1 0x0000562f500bab84 llvm::sys::RunSignalHandlers()
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x2868b84)
#2 0x0000562f500bacc2 SignalHandler(int)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x2868cc2)
#3 0x00007fea89466890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x00007fea88118e97 raise
/build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
#5 0x00007fea8811a801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
#6 0x00007fea8810a39a __assert_fail_base
/build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
#7 0x00007fea8810a412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
#8 0x0000562f4f9af3b0 llvm::CastInst::Create(llvm::Instruction::CastOps,
llvm::Value*, llvm::Type*, llvm::Twine const&, llvm::Instruction*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x215d3b0)
#9 0x0000562f501f8b45 llvm::VNCoercion::getStoreValueForLoad(llvm::Value*,
unsigned int, llvm::Type*, llvm::Instruction*, llvm::DataLayout const&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x29a6b45)
#10 0x0000562f4fe18570
llvm::gvn::AvailableValue::MaterializeAdjustedValue(llvm::LoadInst*,
llvm::Instruction*, llvm::GVN&) const
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25c6570)
#11 0x0000562f4fe226a5 llvm::GVN::processLoad(llvm::LoadInst*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d06a5)
#12 0x0000562f4fe24862 llvm::GVN::processInstruction(llvm::Instruction*)
(.part.818)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d2862)
#13 0x0000562f4fe251b2 llvm::GVN::processBlock(llvm::BasicBlock*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d31b2)
#14 0x0000562f4fe25637 llvm::GVN::iterateOnFunction(llvm::Function&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d3637)
#15 0x0000562f4fe258ef llvm::GVN::runImpl(llvm::Function&,
llvm::AssumptionCache&, llvm::DominatorTree&, llvm::TargetLibraryInfo const&,
llvm::AAResults&, llvm::MemoryDependenceResults*, llvm::LoopInfo*,
llvm::OptimizationRemarkEmitter*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d38ef)
#16 0x0000562f4fe2613e llvm::gvn::GVNLegacyPass::runOnFunction(llvm::Function&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x25d413e)
#17 0x0000562f4f9d01e9 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x217e1e9)
#18 0x0000562f4f9d0b99 llvm::FPPassManager::runOnModule(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x217eb99)
#19 0x0000562f4f9cf441 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x217d441)
#20 0x0000562f4e15975f main
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x90775f)
#21 0x00007fea880fbb97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#22 0x0000562f4e1f0aea _start
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm-project/build/bin/opt+0x99eaea)
Aborted (core dumped)</pre>
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