[llvm-bugs] [Bug 37052] New: clang crashes at -O3 with polly: Assertion `!isa<ConstantSDNode>(Op0) && "AND node isn't canonicalized"' failed.
via llvm-bugs
llvm-bugs at lists.llvm.org
Mon Apr 9 00:08:44 PDT 2018
https://bugs.llvm.org/show_bug.cgi?id=37052
Bug ID: 37052
Summary: clang crashes at -O3 with polly: Assertion
`!isa<ConstantSDNode>(Op0) && "AND node isn't
canonicalized"' failed.
Product: Polly
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Optimizer
Assignee: polly-dev at googlegroups.com
Reporter: helloqirun at gmail.com
CC: llvm-bugs at lists.llvm.org
It happens in 32-bit mode only. 64-bit mode works fine.
$ clang-trunk -v
clang version 7.0.0 (trunk 329523)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
$ clang-trunk -mllvm -polly -O3 -m32 abc.c
<snipped some warnings...>
clang-7: /home/absozero/trunk/llvm/lib/Target/X86/X86ISelLowering.cpp:17601:
llvm::SDValue llvm::X86TargetLowering::EmitTest(llvm::SDValue, unsigned int,
const llvm::SDLoc&, llvm::SelectionDAG&) const: Assertion
`!isa<ConstantSDNode>(Op0) && "AND node isn't canonicalized"' failed.
#0 0x0000000002238bda llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2238bda)
#1 0x0000000002236a7e llvm::sys::RunSignalHandlers()
(/home/absozero/trunk/root-clang/bin/clang-7+0x2236a7e)
#2 0x0000000002236bd2 SignalHandler(int)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2236bd2)
#3 0x00007fe86ad3b330 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#4 0x00007fe8698b8c37 gsignal
/build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#5 0x00007fe8698bc028 abort
/build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0
#6 0x00007fe8698b1bf6 __assert_fail_base
/build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0
#7 0x00007fe8698b1ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#8 0x00000000015e2a46 llvm::X86TargetLowering::EmitTest(llvm::SDValue, unsigned
int, llvm::SDLoc const&, llvm::SelectionDAG&) const
(/home/absozero/trunk/root-clang/bin/clang-7+0x15e2a46)
#9 0x00000000015e2da8 llvm::X86TargetLowering::EmitCmp(llvm::SDValue,
llvm::SDValue, unsigned int, llvm::SDLoc const&, llvm::SelectionDAG&) const
(/home/absozero/trunk/root-clang/bin/clang-7+0x15e2da8)
#10 0x00000000016150e1 llvm::X86TargetLowering::LowerSETCC(llvm::SDValue,
llvm::SelectionDAG&) const
(/home/absozero/trunk/root-clang/bin/clang-7+0x16150e1)
#11 0x0000000001629848 llvm::X86TargetLowering::LowerOperation(llvm::SDValue,
llvm::SelectionDAG&) const
(/home/absozero/trunk/root-clang/bin/clang-7+0x1629848)
#12 0x0000000002af5cfc (anonymous
namespace)::SelectionDAGLegalize::LegalizeOp(llvm::SDNode*) (.part.277)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2af5cfc)
#13 0x0000000002b09692 llvm::SelectionDAG::Legalize()
(/home/absozero/trunk/root-clang/bin/clang-7+0x2b09692)
#14 0x0000000002b9b2a2 llvm::SelectionDAGISel::CodeGenAndEmitDAG()
(/home/absozero/trunk/root-clang/bin/clang-7+0x2b9b2a2)
#15 0x0000000002ba078a
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2ba078a)
#16 0x0000000002ba297c
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(.part.882.constprop.905)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2ba297c)
#17 0x0000000001554264 (anonymous
namespace)::X86DAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x1554264)
#18 0x00000000019e23ed
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x19e23ed)
#19 0x0000000001d42183 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x1d42183)
#20 0x0000000001d4224c llvm::FPPassManager::runOnModule(llvm::Module&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x1d4224c)
#21 0x0000000001d41d1d llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x1d41d1d)
#22 0x0000000002402c1c (anonymous
namespace)::EmitAssemblyHelper::EmitAssembly(clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2402c1c)
#23 0x00000000024043d1 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> >)
(/home/absozero/trunk/root-clang/bin/clang-7+0x24043d1)
#24 0x0000000002c61807
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2c61807)
#25 0x000000000318e100 clang::ParseAST(clang::Sema&, bool, bool)
(/home/absozero/trunk/root-clang/bin/clang-7+0x318e100)
#26 0x0000000002c60bbc clang::CodeGenAction::ExecuteAction()
(/home/absozero/trunk/root-clang/bin/clang-7+0x2c60bbc)
#27 0x00000000027fd18e clang::FrontendAction::Execute()
(/home/absozero/trunk/root-clang/bin/clang-7+0x27fd18e)
#28 0x00000000027c9416
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/home/absozero/trunk/root-clang/bin/clang-7+0x27c9416)
#29 0x0000000002891770
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/home/absozero/trunk/root-clang/bin/clang-7+0x2891770)
#30 0x0000000000a9cdf8 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/home/absozero/trunk/root-clang/bin/clang-7+0xa9cdf8)
#31 0x0000000000a101fc main
(/home/absozero/trunk/root-clang/bin/clang-7+0xa101fc)
#32 0x00007fe8698a3f45 __libc_start_main
/build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0
#33 0x0000000000a98dc9 _start
(/home/absozero/trunk/root-clang/bin/clang-7+0xa98dc9)
Stack dump:
0. Program arguments: /home/absozero/trunk/root-clang/bin/clang-7 -cc1
-triple i386-unknown-linux-gnu -emit-obj -disable-free -main-file-name abc.c
-mrelocation-model static -mthread-model posix -fmath-errno -masm-verbose
-mconstructor-aliases -fuse-init-array -target-cpu pentium4 -dwarf-column-info
-debugger-tuning=gdb -momit-leaf-frame-pointer -resource-dir
/home/absozero/trunk/root-clang/lib/clang/7.0.0 -internal-isystem
/usr/local/include -internal-isystem
/home/absozero/trunk/root-clang/lib/clang/7.0.0/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O3
-fdebug-compilation-dir /home/absozero/projects/reduction/crash -ferror-limit
19 -fmessage-length 172 -fobjc-runtime=gcc -fdiagnostics-show-option
-fcolor-diagnostics -vectorize-loops -vectorize-slp -mllvm -polly -o
/tmp/abc-4cbcd1.o -x c abc.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'abc.c'.
4. Running pass 'X86 DAG->DAG Instruction Selection' on function '@fn1'
clang-7: error: unable to execute command: Aborted (core dumped)
clang-7: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 7.0.0 (trunk 329523)
Target: i386-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
clang-7: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.
clang-7: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-7: note: diagnostic msg: /tmp/abc-b41a0f.c
clang-7: note: diagnostic msg: /tmp/abc-b41a0f.sh
clang-7: note: diagnostic msg:
********************
$ cat abc.c
char a, c, e;
short b;
long d;
void fn1(short p1) {
short *f = &b;
char *g = &a;
if (p1 != (b &= *g && 10) ? (*f &= 4) != a : 0 >= 0) {
c = 3;
for (; d;) {
long long h = 51747149900;
*g = (p1 %= *f /= c) / (d /= *g || (e %= c));
g = &p1;
*f += ((h -= b) ^ (*g &= *f) + *f < (h & 236)) % (*f |= 0 < (p1 %= *g)) >
(*f ^= *f > p1 ^ c);
}
}
}
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