[llvm-bugs] [Bug 50397] New: LLVM 11 crashed at llvm::DataLayout::getAlignment

Tue May 18 20:55:29 PDT 2021

https://bugs.llvm.org/show_bug.cgi?id=50397

            Bug ID: 50397
           Summary: LLVM 11 crashed at llvm::DataLayout::getAlignment
           Product: new-bugs
           Version: 11.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: flier.lu at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Created attachment 24872
  --> https://bugs.llvm.org/attachment.cgi?id=24872&action=edit
bitcode

$ bugpoint target/bpf/programs/l4core/l4core-3767c1b598866e01.bc.opt --llc-safe
Read input file      :
'target/bpf/programs/l4core/l4core-3767c1b598866e01.bc.opt'
*** All input ok
Initializing execution environment: Found llc: /usr/lib/llvm-11/bin/llc
Running the code generator to test for a crash: <llc>
Error running tool:
  /usr/lib/llvm-11/bin/llc -o bugpoint-test-program-e922842.bc-05dd2be.llc.s
bugpoint-test-program-e922842.bc
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace.
Stack dump:
0.      Program arguments: /usr/lib/llvm-11/bin/llc -o
bugpoint-test-program-e922842.bc-05dd2be.llc.s bugpoint-test-program-e922842.bc
1.      Running pass 'Function Pass Manager' on module
'bugpoint-test-program-e922842.bc'.
2.      Running pass 'X86 DAG->DAG Instruction Selection' on function
'@_ZN6l4core4pckt10Descriptor11parse_proto17hbb1089830b7d0853E'
 #0 0x00007f958c69a51f llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xaa651f)
 #1 0x00007f958c698880 llvm::sys::RunSignalHandlers()
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xaa4880)
 #2 0x00007f958c69a9f5 (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xaa69f5)
 #3 0x00007f958bbe6420 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x15420)
 #4 0x00007f958c731030 llvm::DataLayout::getAlignment(llvm::Type*, bool) const
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xb3d030)
 #5 0x00007f958cc88565
llvm::TargetLowering::LowerCallTo(llvm::TargetLowering::CallLoweringInfo&)
const (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x1094565)
 #6 0x00007f958cca752c
llvm::SelectionDAGBuilder::lowerInvokable(llvm::TargetLowering::CallLoweringInfo&,
llvm::BasicBlock const*) (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x10b352c)
 #7 0x00007f958cc90ffa llvm::SelectionDAGBuilder::LowerCallTo(llvm::CallBase
const&, llvm::SDValue, bool, llvm::BasicBlock const*)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x109cffa)
 #8 0x00007f958cc7bce9 llvm::SelectionDAGBuilder::visitCall(llvm::CallInst
const&) (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x1087ce9)
 #9 0x00007f958cc70979 llvm::SelectionDAGBuilder::visit(llvm::Instruction
const&) (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x107c979)
#10 0x00007f958ccfbcc9
llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::Instruction,
false, false, void>, false, true>,
llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::Instruction, false,
false, void>, false, true>, bool&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x1107cc9)
#11 0x00007f958ccfb612
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x1107612)
#12 0x00007f958ccf9311
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x1105311)
#13 0x00007f958e696205 (/lib/x86_64-linux-gnu/libLLVM-11.so.1+0x2aa2205)
#14 0x00007f958c96c4ae
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xd784ae)
#15 0x00007f958c7a9689 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xbb5689)
#16 0x00007f958c7aec33 llvm::FPPassManager::runOnModule(llvm::Module&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xbbac33)
#17 0x00007f958c7a9ca0 llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/lib/x86_64-linux-gnu/libLLVM-11.so.1+0xbb5ca0)
#18 0x000000000040d792 main (/usr/lib/llvm-11/bin/llc+0x40d792)
#19 0x00007f958b6bb0b3 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x270b3)
#20 0x000000000040b0ce _start (/usr/lib/llvm-11/bin/llc+0x40b0ce)
*** Debugging code generator crash!

Checking to see if we can delete global inits: <llc><crash>

*** Able to remove all global initializers!

*** Attempting to reduce the number of functions in the testcase
Checking for crash with only these functions: 
_ZN6l4core4pckt10Descriptor11parse_proto17hbb1089830b7d0853E memcpy memmove
memset bcmp outer_l4core_forward: <llc><crash>
Checking for crash with only these functions: 
_ZN6l4core4pckt10Descriptor11parse_proto17hbb1089830b7d0853E bcmp
outer_l4core_forward: <llc><crash>
Checking for crash with only these functions:  outer_l4core_forward
_ZN6l4core4pckt10Descriptor11parse_proto17hbb1089830b7d0853E: <llc><crash>
Checking for crash with only these functions: 
_ZN6l4core4pckt10Descriptor11parse_proto17hbb1089830b7d0853E: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-function.bc'

*** Attempting to reduce the number of function attributes in the testcase
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
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<llc><crash>
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<llc><crash>
<llc><crash>
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<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
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<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
<llc><crash>
Checking for crash with changing conditionals to always jump to true: start bb2
bb2.i.i.i bb5.i.i.i bb5 bb8.i194 bb2.i.i.i103.i bb5.i.i.i106.i bb11.i
bb17.i197... <30 total>: <llc><crash>
Checking for crash with changing conditionals to always jump to true: bb11
bb5.i.i.i.i201 bb23 bb2.i.i.i149 bb14 bb5.i.i.i107.i bb8.i bb17.i
bb2.i.i.i.i199 bb5.i.i.i170... <15 total>: <llc><crash>
Checking for crash with changing conditionals to always jump to true:
bb2.i.i.i149 bb5.i.i.i152 bb14 bb11 bb2.i.i.i167: <llc><crash>
Checking for crash with changing conditionals to always jump to true: bb11
bb2.i.i.i167: <llc><crash>
Checking for crash with changing conditionals to always jump to true:
bb2.i.i.i167: <llc><crash>
Checking for crash with changing conditionals to always jump to false:
bb2.i.i.i167: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-conditionals.bc'
Checking for crash with only these blocks: start bb2 bb11 bb2.i.i.i167
bb5.i.i.i170 bb20 bb29: <llc><crash>
Checking for crash with only these blocks: bb2.i.i.i167 bb5.i.i.i170 bb20 bb29:
<llc>
Checking for crash with only these blocks: start bb2 bb11: <llc><crash>
Checking for crash with only these blocks: bb2 bb11: <llc>
Checking for crash with only these blocks: start: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-blocks.bc'
Checking for crash with CFG simplifying: start bb2 bb11 bb20 bb29: <llc><crash>
Checking for crash with CFG simplifying: bb11 bb20 bb29: <llc><crash>
Checking for crash with CFG simplifying: bb20 bb29: <llc><crash>
Checking for crash with CFG simplifying: bb29: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-simplifycfg.bc'
Checking for crash with only 22 instructions: <llc><crash>
Checking for crash with only 11 instructions: <llc><crash>
Checking for crash with only 6 instructions: <llc>
Checking for crash with only 5 instructions: <llc><crash>
Checking for crash with only 3 instructions: <llc><crash>
Checking for crash with only 2 instructions: <llc><crash>
Checking for crash with only 1 instruction: <llc>
Checking for crash with only 1 instruction: <llc><crash>

*** Attempting to reduce testcase by deleting instructions: Simplification
Level #1
Checking instruction:   tail call void
@llvm.experimental.noalias.scope.decl(metadata !4)<llc>

*** Attempting to reduce testcase by deleting instructions: Simplification
Level #0
Checking instruction:   tail call void
@llvm.experimental.noalias.scope.decl(metadata !4)<llc>
Checking for crash with metadata retained from 6 instructions: <llc><crash>
Checking for crash with metadata retained from 3 instructions: <llc><crash>
Checking for crash with metadata retained from 2 instructions: <llc><crash>
Checking for crash with metadata retained from 1 instruction: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-instructions.bc'

*** Attempting to strip the debug info: <llc><crash>

*** Attempting to strip the debug type info: <llc><crash>

*** Attempting to remove named metadata: Checking for crash with only these
named metadata nodes: llvm.module.flags: <llc><crash>
Checking for crash with only 4 named metadata operands: <llc><crash>
Checking for crash with only 2 named metadata operands: <llc><crash>
Checking for crash with only 1 named metadata operand: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-named-md.bc'

*** Attempting to perform final cleanups: <llc><crash>
Emitted bitcode to 'bugpoint-reduced-simplified.bc'

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