Assertion `all_of(Bundles, [](const ScheduleBundle *Bundle) { return Bundle->isScheduled(); }) && "must be scheduled at this point"' failed. (yet another) #158293
Description
To reproduce run opt with the test below, -passes=slp-vectorizer
; 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 i64 @wombat(i32 %arg) #0 gc "statepoint-example" {
bb:
%load = load i32, ptr addrspace(1) getelementptr inbounds nuw (i8, ptr addrspace(1) null, i64 900), align 4
%add = add i32 0, %load
store i32 %add, ptr addrspace(1) getelementptr inbounds nuw (i8, ptr addrspace(1) null, i64 900), align 4
%load1 = load i32, ptr addrspace(1) getelementptr inbounds nuw (i8, ptr addrspace(1) null, i64 896), align 4
%add2 = add i32 %load1, 0
%sub = sub i32 %add2, %arg
store i32 %sub, ptr addrspace(1) getelementptr inbounds nuw (i8, ptr addrspace(1) null, i64 896), align 4
ret i64 0
}
attributes #0 = { "target-features"="+prfchw,-cldemote,+avx,+aes,+sahf,+pclmul,-xop,+crc32,-amx-fp8,+xsaves,-avx512fp16,-usermsr,-sm4,-egpr,+sse4.1,-avx10.1,-avx512ifma,+xsave,+sse4.2,-tsxldtrk,-sm3,-ptwrite,-widekl,-movrs,+invpcid,+64bit,+xsavec,-avx512vpopcntdq,+cmov,-avx512vp2intersect,+avx512cd,+movbe,-avxvnniint8,-ccmp,-amx-int8,-kl,-sha512,-avxvnni,+rtm,+adx,+avx2,-hreset,-movdiri,-serialize,-vpclmulqdq,+avx512vl,-uintr,-cf,+clflushopt,-raoint,-cmpccxadd,+bmi,-amx-tile,+sse,-gfni,-avxvnniint16,-amx-fp16,-zu,-ndd,+xsaveopt,+rdrnd,+avx512f,-amx-bf16,-avx512bf16,-avx512vnni,-push2pop2,+cx8,+avx512bw,+sse3,+pku,-nf,-amx-tf32,-amx-avx512,+fsgsbase,-clzero,-mwaitx,-lwp,+lzcnt,-sha,-movdir64b,-ppx,-wbnoinvd,-enqcmd,-amx-transpose,-avxneconvert,-tbm,-pconfig,-amx-complex,+ssse3,+cx16,-avx10.2,+bmi2,+fma,+popcnt,-avxifma,+f16c,-avx512bitalg,-rdpru,+clwb,+mmx,+sse2,+rdseed,-avx512vbmi2,-prefetchi,-amx-movrs,-rdpid,-fma4,-avx512vbmi,-shstk,-vaes,-waitpkg,-sgx,+fxsr,+avx512dq,-sse4a,-avx512f" }
Reproducer: https://godbolt.org/z/TYYcE1KxK
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/opt -o /app/output.s -S -passes=slp-vectorizer <source>
1. Running pass "function(slp-vectorizer)" on module "<source>"
2. Running pass "slp-vectorizer" on function "wombat"
#0 0x000000000589ea68 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x589ea68)
#1 0x000000000589b914 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x0000735a7f042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x0000735a7f0969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x0000735a7f042476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x0000735a7f0287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x0000735a7f02871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#7 0x0000735a7f039e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#8 0x000000000370e0cf llvm::slpvectorizer::BoUpSLP::scheduleBlock(llvm::slpvectorizer::BoUpSLP const&, llvm::slpvectorizer::BoUpSLP::BlockScheduling*) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x370e0cf)
#9 0x00000000037285aa llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::SmallDenseSet<llvm::Value*, 4u, llvm::DenseMapInfo<llvm::Value*, void>> const&, llvm::Instruction*, llvm::ArrayRef<std::tuple<llvm::Value*, unsigned int, bool>>) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x37285aa)
#10 0x000000000372c9e2 llvm::slpvectorizer::BoUpSLP::vectorizeTree() (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x372c9e2)
#11 0x00000000037568cd llvm::SLPVectorizerPass::vectorizeStoreChain(llvm::ArrayRef<llvm::Value*>, llvm::slpvectorizer::BoUpSLP&, unsigned int, unsigned int, unsigned int&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x37568cd)
#12 0x0000000003758296 llvm::SLPVectorizerPass::vectorizeStores(llvm::ArrayRef<llvm::StoreInst*>, llvm::slpvectorizer::BoUpSLP&, llvm::DenseSet<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, llvm::DenseMapInfo<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, void>>&)::'lambda'(std::map<long, unsigned int, std::less<long>, std::allocator<std::pair<long const, unsigned int>>> const&)::operator()(std::map<long, unsigned int, std::less<long>, std::allocator<std::pair<long const, unsigned int>>> const&) const SLPVectorizer.cpp:0:0
#13 0x000000000375a120 llvm::SLPVectorizerPass::vectorizeStores(llvm::ArrayRef<llvm::StoreInst*>, llvm::slpvectorizer::BoUpSLP&, llvm::DenseSet<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, llvm::DenseMapInfo<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, void>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x375a120)
#14 0x000000000375ac31 llvm::SLPVectorizerPass::vectorizeStoreChains(llvm::slpvectorizer::BoUpSLP&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x375ac31)
#15 0x000000000375b975 llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (.part.0) SLPVectorizer.cpp:0:0
#16 0x000000000375c49b llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x375c49b)
#17 0x0000000002f34aee llvm::detail::PassModel<llvm::Function, llvm::SLPVectorizerPass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x2f34aee)
#18 0x0000000005687c01 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5687c01)
#19 0x0000000000eeb6ee 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+0xeeb6ee)
#20 0x000000000568616a llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x568616a)
#21 0x000000000096f08e 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+0x96f08e)
#22 0x0000000005685b21 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5685b21)
#23 0x0000000000979388 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+0x979388)
#24 0x000000000096d409 optMain (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x96d409)
#25 0x0000735a7f029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#26 0x0000735a7f029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#27 0x0000000000964555 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x964555)
Program terminated with signal: SIGSEGV
Compiler returned: 139