| Issue |
179880
|
| Summary |
[opt] -passes=scalarizer causes Assertion `idx < size()'
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
fraglantia
|
Reproducer: https://godbolt.org/z/MhnqEWPs9
```
opt: /root/llvm-project/llvm/include/llvm/ADT/SmallVector.h:297: T& llvm::SmallVectorTemplateCommon<T, <template-parameter-1-2> >::operator[](llvm::SmallVectorTemplateCommon<T, <template-parameter-1-2> >::size_type) [with T = llvm::Value*; <template-parameter-1-2> = void; llvm::SmallVectorTemplateCommon<T, <template-parameter-1-2> >::reference = llvm::Value*&; llvm::SmallVectorTemplateCommon<T, <template-parameter-1-2> >::size_type = long unsigned int]: Assertion `idx < size()' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/opt -o /app/output.s -S --passes=module(cgscc(function(scalarizer))) <source>
1. Running pass "cgscc(function(scalarizer))" on module "<source>"
2. Running pass "scalarizer" on function "f13"
#0 0x0000000005aefe98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5aefe98)
#1 0x0000000005aecd74 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x0000704cdba42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x0000704cdba969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x0000704cdba42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x0000704cdba287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x0000704cdba2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#7 0x0000704cdba39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#8 0x0000000004950030 (anonymous namespace)::Scatterer::operator[](unsigned int) Scalarizer.cpp:0:0
#9 0x00000000049543e8 (anonymous namespace)::ScalarizerVisitor::visitExtractElementInst(llvm::ExtractElementInst&) Scalarizer.cpp:0:0
#10 0x0000000004957ea2 (anonymous namespace)::ScalarizerVisitor::visit(llvm::Function&) (.constprop.0) Scalarizer.cpp:0:0
#11 0x00000000049597ff llvm::ScalarizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x49597ff)
#12 0x000000000305920e llvm::detail::PassModel<llvm::Function, llvm::ScalarizerPass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x305920e)
#13 0x00000000058604a1 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x58604a1)
#14 0x0000000000f0ce4e llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xf0ce4e)
#15 0x0000000004e6c3c2 llvm::CGSCCToFunctionPassAdaptor::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4e6c3c2)
#16 0x0000000000f0bbae llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::CGSCCToFunctionPassAdaptor, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xf0bbae)
#17 0x0000000004e64bf2 llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4e64bf2)
#18 0x0000000003058f2e llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x3058f2e)
#19 0x0000000004e66571 llvm::ModuleToPostOrderCGSCCPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4e66571)
#20 0x0000000000f0bb8e llvm::detail::PassModel<llvm::Module, llvm::ModuleToPostOrderCGSCCPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xf0bb8e)
#21 0x000000000585e411 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x585e411)
#22 0x0000000000971fba llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x971fba)
#23 0x0000000000966068 optMain (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x966068)
#24 0x0000704cdba29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#25 0x0000704cdba29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#26 0x000000000095cce5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x95cce5)
Program terminated with signal: SIGSEGV
Compiler returned: 139
```
Possible duplicate of #126938
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