| Issue |
128838
|
| Summary |
Assertion `!NodePtr->isKnownSentinel()' failed.
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
TatyanaDoubts
|
To reproduce run opt with the test below, -passes=loop-vectorize
```
; ModuleID = './reduced.ll'
source_filename = "./reduced.ll"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"
define void @wombat() gc "statepoint-example" personality ptr null {
bb:
%invoke = invoke i32 null(ptr addrspace(1) null, i32 0, i32 0, i32 0)
to label %bb1 unwind label %bb5
bb1: ; preds = %bb1, %bb
%phi = phi i64 [ %add, %bb1 ], [ 0, %bb ]
%phi2 = phi i32 [ %add3, %bb1 ], [ 0, %bb ]
%add = add i64 %phi, 1
%sitofp = sitofp i32 %phi2 to double
store double %sitofp, ptr addrspace(1) null, align 8
%add3 = add i32 %phi2, %invoke
%icmp = icmp ult i64 %phi, 161
br i1 %icmp, label %bb1, label %bb4
bb4: ; preds = %bb1
ret void
bb5: ; preds = %bb
%landingpad = landingpad { ptr, i32 }
cleanup
ret void
}
```
Reproducer: https://godbolt.org/z/3do96adnn
Stack dump:
```
opt: /root/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:322: llvm::ilist_iterator_w_bits<OptionsT, IsReverse, IsConst>::reference llvm::ilist_iterator_w_bits<OptionsT, IsReverse, IsConst>::operator*() const [with OptionsT = llvm::ilist_detail::node_options<llvm::Instruction, true, false, void, true, llvm::BasicBlock>; bool IsReverse = false; bool IsConst = false; llvm::ilist_iterator_w_bits<OptionsT, IsReverse, IsConst>::reference = llvm::Instruction&]: Assertion `!NodePtr->isKnownSentinel()' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/opt -o /app/output.s -S -passes=loop-vectorize <source>
1. Running pass "function(loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>)" on module "<source>"
2. Running pass "loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>" on function "wombat"
#0 0x0000000005452b98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5452b98)
#1 0x0000000005450554 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x00007b16e6242520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x00007b16e62969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x00007b16e6242476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x00007b16e62287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x00007b16e622871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#7 0x00007b16e6239e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#8 0x00000000044f6c23 (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x44f6c23)
#9 0x000000000450ebb3 llvm::VPTransformState::get(llvm::VPValue*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x450ebb3)
#10 0x0000000004543138 llvm::VPInstruction::generate(llvm::VPTransformState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4543138)
#11 0x0000000004544ba4 llvm::VPInstruction::execute(llvm::VPTransformState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4544ba4)
#12 0x00000000044f82e7 llvm::VPBasicBlock::executeRecipes(llvm::VPTransformState*, llvm::BasicBlock*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x44f82e7)
#13 0x00000000045038f9 llvm::VPIRBasicBlock::execute(llvm::VPTransformState*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x45038f9)
#14 0x0000000004510249 llvm::VPlan::execute(llvm::VPTransformState*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x4510249)
#15 0x00000000043cccce llvm::LoopVectorizationPlanner::executePlan(llvm::ElementCount, unsigned int, llvm::VPlan&, llvm::InnerLoopVectorizer&, llvm::DominatorTree*, bool, llvm::DenseMap<llvm::SCEV const*, llvm::Value*, llvm::DenseMapInfo<llvm::SCEV const*, void>, llvm::detail::DenseMapPair<llvm::SCEV const*, llvm::Value*>> const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x43cccce)
#16 0x00000000043e15d8 llvm::LoopVectorizePass::processLoop(llvm::Loop*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x43e15d8)
#17 0x00000000043e2f49 llvm::LoopVectorizePass::runImpl(llvm::Function&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x43e2f49)
#18 0x00000000043e35c3 llvm::LoopVectorizePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x43e35c3)
#19 0x000000000318aaae llvm::detail::PassModel<llvm::Function, llvm::LoopVectorizePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x318aaae)
#20 0x000000000524cd90 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x524cd90)
#21 0x0000000000e6f54e 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+0xe6f54e)
#22 0x000000000524b6ab llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x524b6ab)
#23 0x0000000000e6e83e llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0xe6e83e)
#24 0x000000000524b0b0 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x524b0b0)
#25 0x0000000000935a3a 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) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x935a3a)
#26 0x00000000009290ac optMain (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x9290ac)
#27 0x00007b16e6229d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#28 0x00007b16e6229e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#29 0x0000000000920985 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x920985)
Program terminated with signal: SIGSEGV
Compiler returned: 139
```
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