Extended Description

Hi all.

$cat small.c
#include <stdint.h>
int a;
uint64_t b;
int c() {
uint64_t d = 0;
uint64_t *e = &d;
int16_t f = 0;
uint32_t g = 10;
uint32_t *i = g;
for (; b; b++)
a = ((d ?: b) & *i) >> (*e += 5 || f);
return 0;
}

$clang -w -m32 -O2 small.c
clang-14: /home/haoxin/haoxin-data/compilers/llvm-project/llvm/include/llvm/CodeGen/SelectionDAGNodes.h:959: llvm::EVT llvm::SDNode::getValueType(unsigned int) const: Assertion `ResNo < NumValues && "Illegal result number!"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14 -cc1 -triple i386-unknown-linux-gnu -emit-obj --mrelax-relocations -disable-free -main-file-name small.c -mrelocation-model static -mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases -target-cpu pentium4 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/haoxin/haoxin-data/dut-research/covsmith-test/20210819/8 -resource-dir /home/haoxin/haoxin-data/compilers/llvm-project/build/lib/clang/14.0.0 -internal-isystem /home/haoxin/haoxin-data/compilers/llvm-project/build/lib/clang/14.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/9/../../../../x86_64-linux-gnu/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -w -fdebug-compilation-dir=/home/haoxin/haoxin-data/dut-research/covsmith-test/20210819/8 -ferror-limit 19 -fgnuc-version=4.2.1 -fcolor-diagnostics -vectorize-loops -vectorize-slp -faddrsig -o /tmp/small-8d5aa4.o -x c small.c

1.  <eof> parser at end of file
   

2.  Code generation
   

3.  Running pass 'Function Pass Manager' on module 'small.c'.
   

4.  Running pass 'X86 DAG->DAG Instruction Selection' on function '@c'
   

#​0 0x00005577ba629e24 PrintStackTraceSignalHandler(void*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x3b26e24)
#​1 0x00005577ba62753e SignalHandler(int) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x3b2453e)
#​2 0x00007faf8d9bc3c0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x153c0)
#​3 0x00007faf8d45b18b raise /build/glibc-eX1tMB/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#​4 0x00007faf8d43a859 abort /build/glibc-eX1tMB/glibc-2.31/stdlib/abort.c:81:7
#​5 0x00007faf8d43a729 get_sysdep_segment_value /build/glibc-eX1tMB/glibc-2.31/intl/loadmsgcat.c:509:8
#​6 0x00007faf8d43a729 _nl_load_domain /build/glibc-eX1tMB/glibc-2.31/intl/loadmsgcat.c:970:34
#​7 0x00007faf8d44bf36 (/lib/x86_64-linux-gnu/libc.so.6+0x36f36)
#​8 0x00005577bb4e9235 (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x49e6235)
#​9 0x00005577bb553be5 (anonymous namespace)::DAGCombiner::visitADDO(llvm::SDNode*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4a50be5)
#​10 0x00005577bb58c4cb (anonymous namespace)::DAGCombiner::visit(llvm::SDNode*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4a894cb)
#​11 0x00005577bb58ef45 (anonymous namespace)::DAGCombiner::combine(llvm::SDNode*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4a8bf45)
#​12 0x00005577bb590990 llvm::SelectionDAG::Combine(llvm::CombineLevel, llvm::AAResults*, llvm::CodeGenOpt::Level) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4a8d990)
#​13 0x00005577bb698645 llvm::SelectionDAGISel::CodeGenAndEmitDAG() (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4b95645)
#​14 0x00005577bb69c18b llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4b9918b)
#​15 0x00005577bb69e3a1 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (.part.0) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4b9b3a1)
#​16 0x00005577b90a6e40 (anonymous namespace)::X86DAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x25a3e40)
#​17 0x00005577b97e5568 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x2ce2568)
#​18 0x00005577b9cd7c35 llvm::FPPassManager::runOnFunction(llvm::Function&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x31d4c35)
#​19 0x00005577b9cd7e79 llvm::FPPassManager::runOnModule(llvm::Module&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x31d4e79)
#​20 0x00005577b9cd8f62 llvm::legacy::PassManagerImpl::run(llvm::Module&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x31d5f62)
#​21 0x00005577ba96e94a (anonymous namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x3e6b94a)
#​22 0x00005577ba97047d clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_deletellvm::raw_pwrite_stream >) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x3e6d47d)
#​23 0x00005577bb7d3d9f clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4cd0d9f)
#​24 0x00005577bc53f3e9 clang::ParseAST(clang::Sema&, bool, bool) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x5a3c3e9)
#​25 0x00005577bb7d28e8 clang::CodeGenAction::ExecuteAction() (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4ccf8e8)
#​26 0x00005577bb067199 clang::FrontendAction::Execute() (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4564199)
#​27 0x00005577baffc8ae clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (.localalias) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x44f98ae)
#​28 0x00005577bb145fb0 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x4642fb0)
#​29 0x00005577b7e3c2dd cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x13392dd)
#​30 0x00005577b7e38628 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x1335628)
#​31 0x00005577b7d6daa9 main (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x126aaa9)
#​32 0x00007faf8d43c0b3 __libc_start_main /build/glibc-eX1tMB/glibc-2.31/csu/../csu/libc-start.c:342:3
#​33 0x00005577b7e3819e _start (/home/haoxin/haoxin-data/compilers/llvm-project/build/bin/clang-14+0x133519e)
clang-14: error: unable to execute command: Aborted (core dumped)
clang-14: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 14.0.0 (https://github.com/llvm/llvm-project c2574e6)
Target: i386-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/haoxin/haoxin-data/compilers/llvm-project/build/bin
clang-14: note: diagnostic msg:

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-14: note: diagnostic msg: /tmp/small-b5eb7c.c
clang-14: note: diagnostic msg: /tmp/small-b5eb7c.sh
clang-14: note: diagnostic msg:

Thanks,
Haoxin