[llvm-bugs] [Bug 42808] New: inline crashes: Assertion `I->getParent()->getParent() == F && "Found assumption for the wrong function!"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Mon Jul 29 04:44:09 PDT 2019
https://bugs.llvm.org/show_bug.cgi?id=42808
Bug ID: 42808
Summary: inline crashes: Assertion `I->getParent()->getParent()
== F && "Found assumption for the wrong function!"'
failed.
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Interprocedural Optimizations
Assignee: unassignedbugs at nondot.org
Reporter: cszide at 163.com
CC: llvm-bugs at lists.llvm.org
Created attachment 22308
--> https://bugs.llvm.org/attachment.cgi?id=22308&action=edit
.bc file of the source code
$clang -v
clang version 10.0.0 (trunk 367076)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/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
$clang -O3 -c -emit-llvm -femit-all-decls -mllvm -disable-llvm-optzns small.c
$opt -loop-sink -lowerswitch -gvn -simplifycfg -licm -div-rem-pairs
-loop-unroll -hotcoldsplit -inline small.bc -o small-opt.bc
opt:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/lib/Analysis/CodeMetrics.cpp:105:
static void llvm::CodeMetrics::collectEphemeralValues(const llvm::Function*,
llvm::AssumptionCache*, llvm::SmallPtrSetImpl<const llvm::Value*>&): Assertion
`I->getParent()->getParent() == F && "Found assumption for the wrong
function!"' failed.
Stack dump:
0. Program arguments:
/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt -loop-sink
-lowerswitch -gvn -simplifycfg -licm -div-rem-pairs -loop-unroll -hotcoldsplit
-inline small.bc -o small-opt.bc
1. Running pass 'CallGraph Pass Manager' on module 'small.bc'.
#0 0x00005604dfd0d68a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26bb68a)
#1 0x00005604dfd0b334 llvm::sys::RunSignalHandlers()
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26b9334)
#2 0x00005604dfd0b472 SignalHandler(int)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x26b9472)
#3 0x00007fb734208890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x00007fb732ebae97 raise
/build/glibc-OTsEL5/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
#5 0x00007fb732ebc801 abort /build/glibc-OTsEL5/glibc-2.27/stdlib/abort.c:81:0
#6 0x00007fb732eac39a __assert_fail_base
/build/glibc-OTsEL5/glibc-2.27/assert/assert.c:89:0
#7 0x00007fb732eac412 (/lib/x86_64-linux-gnu/libc.so.6+0x30412)
#8 0x00005604def82e01 llvm::CodeMetrics::collectEphemeralValues(llvm::Function
const*, llvm::AssumptionCache*, llvm::SmallPtrSetImpl<llvm::Value const*>&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x1930e01)
#9 0x00005604defdc2ea (anonymous
namespace)::CallAnalyzer::analyzeCall(llvm::CallBase&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198a2ea)
#10 0x00005604defddad1 llvm::getInlineCost(llvm::CallBase&, llvm::Function*,
llvm::InlineParams const&, llvm::TargetTransformInfo&,
std::function<llvm::AssumptionCache& (llvm::Function&)>&,
llvm::Optional<llvm::function_ref<llvm::BlockFrequencyInfo& (llvm::Function&)>
>, llvm::ProfileSummaryInfo*, llvm::OptimizationRemarkEmitter*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198bad1)
#11 0x00005604defddd0d llvm::getInlineCost(llvm::CallBase&, llvm::InlineParams
const&, llvm::TargetTransformInfo&, std::function<llvm::AssumptionCache&
(llvm::Function&)>&,
llvm::Optional<llvm::function_ref<llvm::BlockFrequencyInfo& (llvm::Function&)>
>, llvm::ProfileSummaryInfo*, llvm::OptimizationRemarkEmitter*)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x198bd0d)
#12 0x00005604df78e33a (anonymous
namespace)::SimpleInliner::getInlineCost(llvm::CallSite)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x213c33a)
#13 0x00005604df7942ff inlineCallsImpl(llvm::CallGraphSCC&, llvm::CallGraph&,
std::function<llvm::AssumptionCache& (llvm::Function&)>,
llvm::ProfileSummaryInfo*, llvm::TargetLibraryInfo&, bool,
llvm::function_ref<llvm::InlineCost (llvm::CallSite)>,
llvm::function_ref<llvm::AAResults& (llvm::Function&)>,
llvm::ImportedFunctionsInliningStatistics&) (.constprop.467)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x21422ff)
#14 0x00005604df796407
llvm::LegacyInlinerBase::inlineCalls(llvm::CallGraphSCC&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x2144407)
#15 0x00005604def7aa06 (anonymous
namespace)::CGPassManager::runOnModule(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x1928a06)
#16 0x00005604df6992d1 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x20472d1)
#17 0x00005604ddeb4425 main
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x862425)
#18 0x00007fb732e9db97 __libc_start_main
/build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
#19 0x00005604ddf3a93a _start
(/home/jack-zhou/Documents/llvm/llvm_truck/llvm2/build4/bin/opt+0x8e893a)
Aborted (core dumped)
--------------------------------------------------------------
long a;
short b, c;
void d() {
for (;;) {
int e;
if (c)
break;
b = 0;
for (; b <= 0; b++) {
int f;
if (a)
continue;
}
}
}
void main() { d(); }
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