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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 - ICE: Assertion `!verifyFunction(*L->getHeader()->getParent())' failed"
href="https://bugs.llvm.org/show_bug.cgi?id=46525">46525</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ICE: Assertion `!verifyFunction(*L->getHeader()->getParent())' failed
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</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>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>Vsevolod.Livinskij@frtk.ru
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Error:
<span class="quote">>$ clang++ -c -O3 func.cpp</span >
clang++: llvm/llvm-trunk/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:7993:
bool llvm::LoopVectorizePass::processLoop(llvm::Loop*): Assertion
`!verifyFunction(*L->getHeader()->getParent())' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang++ -c -O3 func.cpp
1. <eof> parser at end of file
2. Per-module optimization passes
3. Running pass 'Function Pass Manager' on module 'func.cpp'.
4. Running pass 'Loop Vectorization' on function '@_Z4testv'
#0 0x000055f2ca9fce3e llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(llvm/bin-trunk/bin/clang-11+0x238ee3e)
#1 0x000055f2ca9fac14 llvm::sys::RunSignalHandlers()
(llvm/bin-trunk/bin/clang-11+0x238cc14)
#2 0x000055f2ca9fae91 llvm::sys::CleanupOnSignal(unsigned long)
(llvm/bin-trunk/bin/clang-11+0x238ce91)
#3 0x000055f2ca968ee8 CrashRecoverySignalHandler(int)
(llvm/bin-trunk/bin/clang-11+0x22faee8)
#4 0x00007ff9528db540 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x15540)
#5 0x00007ff9523703eb raise
/build/glibc-t7JzpG/glibc-2.30/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#6 0x00007ff95234f899 abort /build/glibc-t7JzpG/glibc-2.30/stdlib/abort.c:81:7
#7 0x00007ff95234f769 get_sysdep_segment_value
/build/glibc-t7JzpG/glibc-2.30/intl/loadmsgcat.c:509:8
#8 0x00007ff95234f769 _nl_load_domain
/build/glibc-t7JzpG/glibc-2.30/intl/loadmsgcat.c:970:34
#9 0x00007ff952361006 (/lib/x86_64-linux-gnu/libc.so.6+0x37006)
#10 0x000055f2cabc9a47 llvm::LoopVectorizePass::processLoop(llvm::Loop*)
(llvm/bin-trunk/bin/clang-11+0x255ba47)
#11 0x000055f2cabcb710 llvm::LoopVectorizePass::runImpl(llvm::Function&,
llvm::ScalarEvolution&, llvm::LoopInfo&, llvm::TargetTransformInfo&,
llvm::DominatorTree&, llvm::BlockFrequencyInfo&, llvm::TargetLibraryInfo*,
llvm::DemandedBits&, llvm::AAResults&, llvm::AssumptionCache&,
std::function<llvm::LoopAccessInfo const& (llvm::Loop&)>&,
llvm::OptimizationRemarkEmitter&, llvm::ProfileSummaryInfo*)
(llvm/bin-trunk/bin/clang-11+0x255d710)
#12 0x000055f2cabcbba7 (anonymous
namespace)::LoopVectorize::runOnFunction(llvm::Function&)
(llvm/bin-trunk/bin/clang-11+0x255dba7)
#13 0x000055f2ca334f0c llvm::FPPassManager::runOnFunction(llvm::Function&)
(llvm/bin-trunk/bin/clang-11+0x1cc6f0c)
#14 0x000055f2ca3355d9 llvm::FPPassManager::runOnModule(llvm::Module&)
(llvm/bin-trunk/bin/clang-11+0x1cc75d9)
#15 0x000055f2ca335987 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(llvm/bin-trunk/bin/clang-11+0x1cc7987)
#16 0x000055f2cacaac06 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout
const&, llvm::Module*, clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(llvm/bin-trunk/bin/clang-11+0x263cc06)
#17 0x000055f2cb991591
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(llvm/bin-trunk/bin/clang-11+0x3323591)
#18 0x000055f2cc70d2e9 clang::ParseAST(clang::Sema&, bool, bool)
(llvm/bin-trunk/bin/clang-11+0x409f2e9)
#19 0x000055f2cb990098 clang::CodeGenAction::ExecuteAction()
(llvm/bin-trunk/bin/clang-11+0x3322098)
#20 0x000055f2cb2d3f69 clang::FrontendAction::Execute()
(llvm/bin-trunk/bin/clang-11+0x2c65f69)
#21 0x000055f2cb28afde
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(llvm/bin-trunk/bin/clang-11+0x2c1cfde)
#22 0x000055f2cb3a8d80
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(llvm/bin-trunk/bin/clang-11+0x2d3ad80)
#23 0x000055f2c9299269 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (llvm/bin-trunk/bin/clang-11+0xc2b269)
#24 0x000055f2c9296618 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
(llvm/bin-trunk/bin/clang-11+0xc28618)
#25 0x000055f2cb14d699 void llvm::function_ref<void
()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
<span class="quote">>, std::__cxx11::basic_string<char, std::char_traits<char>,</span >
std::allocator<char> >*, bool*) const::'lambda'()>(long)
(llvm/bin-trunk/bin/clang-11+0x2adf699)
#26 0x000055f2ca96906c
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(llvm/bin-trunk/bin/clang-11+0x22fb06c)
#27 0x000055f2cb14dfc6
clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
<span class="quote">>, std::__cxx11::basic_string<char, std::char_traits<char>,</span >
std::allocator<char> >*, bool*) const (.part.0)
(llvm/bin-trunk/bin/clang-11+0x2adffc6)
#28 0x000055f2cb1256cc
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&) const (llvm/bin-trunk/bin/clang-11+0x2ab76cc)
#29 0x000055f2cb126006
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const
(llvm/bin-trunk/bin/clang-11+0x2ab8006)
#30 0x000055f2cb12f3a9
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&)
(llvm/bin-trunk/bin/clang-11+0x2ac13a9)
#31 0x000055f2c9219109 main (llvm/bin-trunk/bin/clang-11+0xbab109)
#32 0x00007ff9523511e3 __libc_start_main
/build/glibc-t7JzpG/glibc-2.30/csu/../csu/libc-start.c:342:3
#33 0x000055f2c929616e _start (llvm/bin-trunk/bin/clang-11+0xc2816e)
clang-11: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 11.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
5cba1c6336c790877b631e4fcd3cb6e49452a00c)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Reproducer:
extern int var_1, var_3;
extern short var_7, var_11;
extern char var_8;
extern unsigned long var_10;
extern int arr_148[];
long long int max(long long int a, long long int b) {
return a > b ? a : b;
}
void test() {
for (long a = 0; a < var_1; a++)
for (char b = 0; b < 6; b += 2)
for (char c = 0; c < (char)var_11; c = 1)
#pragma clang loop vectorize_predicate(enable)
for (char d(var_8); d < 5;
d += var_10 / (max(492802768830814067LL, (long long)var_3) +
var_7) + 1)
arr_148[d] = 0;
}
Clang version:
clang version 11.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
5cba1c6336c790877b631e4fcd3cb6e49452a00c)</pre>
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