[llvm-bugs] [Bug 34131] New: lld crashes during LTO build

Tue Aug 8 19:12:23 PDT 2017

https://bugs.llvm.org/show_bug.cgi?id=34131

            Bug ID: 34131
           Summary: lld crashes during LTO build
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: phosek at chromium.org
                CC: llvm-bugs at lists.llvm.org

ld.lld: ../../lib/Analysis/ValueTracking.cpp:1500: void computeKnownBits(const
llvm::Value *, llvm::KnownBits &, unsigned int, const (anonymous
namespace)::Query &): Assertion `Depth <= MaxDepth && "Limit Search Depth"'
failed.
#0 0x00000000020fa7f9 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Support/Unix/Signals.inc:398:11
#1 0x00000000020fa9a9 PrintStackTraceSignalHandler(void*)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Support/Unix/Signals.inc:462:1
#2 0x00000000020f9013 llvm::sys::RunSignalHandlers()
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Support/Signals.cpp:0:5
#3 0x00000000020fad04 SignalHandler(int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Support/Unix/Signals.inc:252:1
#4 0x00007f3b1c7df330 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#5 0x00007f3b1b3cec37 gsignal
/build/eglibc-SvCtMH/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#6 0x00007f3b1b3d2028 abort
/build/eglibc-SvCtMH/eglibc-2.19/stdlib/abort.c:91:0
#7 0x00007f3b1b3c7bf6 __assert_fail_base
/build/eglibc-SvCtMH/eglibc-2.19/assert/assert.c:92:0
#8 0x00007f3b1b3c7ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#9 0x0000000004ec9787 computeKnownBits(llvm::Value const*, llvm::KnownBits&,
unsigned int, (anonymous namespace)::Query const&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:1501:23
#10 0x0000000004ec9706 llvm::computeKnownBits(llvm::Value const*,
llvm::KnownBits&, llvm::DataLayout const&, unsigned int,
llvm::AssumptionCache*, llvm::Instruction const*, llvm::DominatorTree const*,
llvm::OptimizationRemarkEmitter*)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:144:1
#11 0x0000000004edda54 isTruePredicate(llvm::CmpInst::Predicate, llvm::Value
const*, llvm::Value const*, llvm::DataLayout const&, unsigned
int)::$_9::operator()(llvm::Value const*, llvm::Value const*, llvm::Value
const*&, llvm::APInt const*&, llvm::APInt const*&) const
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4416:9
#12 0x0000000004edd7a0 isTruePredicate(llvm::CmpInst::Predicate, llvm::Value
const*, llvm::Value const*, llvm::DataLayout const&, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4427:9
#13 0x0000000004edd54e isImpliedCondOperands(llvm::CmpInst::Predicate,
llvm::Value const*, llvm::Value const*, llvm::Value const*, llvm::Value const*,
llvm::DataLayout const&, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4454:67
#14 0x0000000004ed39d1 isImpliedCondICmps(llvm::ICmpInst const*, llvm::ICmpInst
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4558:5
#15 0x0000000004ed361a llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4621:5
#16 0x0000000004ed3c94 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4588:24
#17 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#18 0x0000000004ed3bd2 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4585:24
#19 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#20 0x0000000004ed3bd2 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4585:24
#21 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#22 0x0000000004ed3bd2 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4585:24
#23 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#24 0x0000000004ed3bd2 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4585:24
#25 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#26 0x0000000004ed3bd2 isImpliedCondAndOr(llvm::BinaryOperator const*,
llvm::ICmpInst const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4585:24
#27 0x0000000004ed3688 llvm::isImpliedCondition(llvm::Value const*, llvm::Value
const*, llvm::DataLayout const&, bool, unsigned int)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Analysis/ValueTracking.cpp:4629:7
#28 0x0000000004b8be89 (anonymous
namespace)::SimplifyCFGOpt::SimplifyCondBranch(llvm::BranchInst*,
llvm::IRBuilder<llvm::ConstantFolder, llvm::IRBuilderDefaultInserter>&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Utils/SimplifyCFG.cpp:5765:36
#29 0x0000000004b8a652 (anonymous
namespace)::SimplifyCFGOpt::run(llvm::BasicBlock*)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Utils/SimplifyCFG.cpp:5960:11
#30 0x0000000004b8a284 llvm::SimplifyCFG(llvm::BasicBlock*,
llvm::TargetTransformInfo const&, unsigned int, llvm::AssumptionCache*,
llvm::SmallPtrSetImpl<llvm::BasicBlock*>*, bool)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Utils/SimplifyCFG.cpp:5998:3
#31 0x00000000048f0c8c iterativelySimplifyCFG(llvm::Function&,
llvm::TargetTransformInfo const&, llvm::AssumptionCache*, unsigned int, bool)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Scalar/SimplifyCFGPass.cpp:149:11
#32 0x00000000048effb9 simplifyFunctionCFG(llvm::Function&,
llvm::TargetTransformInfo const&, llvm::AssumptionCache*, int, bool)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Scalar/SimplifyCFGPass.cpp:164:18
#33 0x00000000048f0fed (anonymous
namespace)::BaseCFGSimplifyPass::runOnFunction(llvm::Function&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/Transforms/Scalar/SimplifyCFGPass.cpp:228:5
#34 0x00000000052fb13f llvm::FPPassManager::runOnFunction(llvm::Function&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/IR/LegacyPassManager.cpp:1514:27
#35 0x00000000052fb455 llvm::FPPassManager::runOnModule(llvm::Module&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/IR/LegacyPassManager.cpp:1535:16
#36 0x00000000052fbbea (anonymous
namespace)::MPPassManager::runOnModule(llvm::Module&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/IR/LegacyPassManager.cpp:1591:27
#37 0x00000000052fb716 llvm::legacy::PassManagerImpl::run(llvm::Module&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/IR/LegacyPassManager.cpp:1694:16
#38 0x00000000052fc101 llvm::legacy::PassManager::run(llvm::Module&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/IR/LegacyPassManager.cpp:1725:3
#39 0x0000000003e60a2d (anonymous
namespace)::runOldPMPasses(llvm::lto::Config&, llvm::Module&,
llvm::TargetMachine*, bool, llvm::ModuleSummaryIndex*, llvm::ModuleSummaryIndex
const*)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/LTO/LTOBackend.cpp:259:10
#40 0x0000000003e5ec50 (anonymous namespace)::opt(llvm::lto::Config&,
llvm::TargetMachine*, unsigned int, llvm::Module&, bool,
llvm::ModuleSummaryIndex*, llvm::ModuleSummaryIndex const*)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/LTO/LTOBackend.cpp:0:5
#41 0x0000000003e5e284 llvm::lto::backend(llvm::lto::Config&,
std::function<std::unique_ptr<llvm::lto::NativeObjectStream,
std::default_delete<llvm::lto::NativeObjectStream> > (unsigned int)>, unsigned
int, std::unique_ptr<llvm::Module, std::default_delete<llvm::Module> >,
llvm::ModuleSummaryIndex&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/LTO/LTOBackend.cpp:379:9
#42 0x0000000003e2c854
llvm::lto::LTO::runRegularLTO(std::function<std::unique_ptr<llvm::lto::NativeObjectStream,
std::default_delete<llvm::lto::NativeObjectStream> > (unsigned int)>)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/LTO/LTO.cpp:785:10
#43 0x0000000003e2be95
llvm::lto::LTO::run(std::function<std::unique_ptr<llvm::lto::NativeObjectStream,
std::default_delete<llvm::lto::NativeObjectStream> > (unsigned int)>,
std::function<std::function<std::unique_ptr<llvm::lto::NativeObjectStream,
std::default_delete<llvm::lto::NativeObjectStream> > (unsigned int)> (unsigned
int, llvm::StringRef)>)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../lib/LTO/LTO.cpp:718:18
#44 0x000000000228c8bf lld::elf::BitcodeCompiler::compile()
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/ELF/LTO.cpp:176:22
#45 0x00000000022feb66 void
lld::elf::SymbolTable::addCombinedLTOObject<llvm::object::ELFType<(llvm::support::endianness)1,
true> >()
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/ELF/SymbolTable.cpp:125:31
#46 0x00000000021deccd void
lld::elf::LinkerDriver::link<llvm::object::ELFType<(llvm::support::endianness)1,
true> >(llvm::opt::InputArgList&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/ELF/Driver.cpp:1019:11
#47 0x00000000021ce879 lld::elf::LinkerDriver::main(llvm::ArrayRef<char
const*>, bool)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/ELF/Driver.cpp:390:5
#48 0x00000000021ce07d lld::elf::link(llvm::ArrayRef<char const*>, bool,
llvm::raw_ostream&)
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/ELF/Driver.cpp:87:3
#49 0x000000000203a27e main
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/../../tools/lld/tools/lld/lld.cpp:104:12
#50 0x00007f3b1b3b9f45 __libc_start_main
/build/eglibc-SvCtMH/eglibc-2.19/csu/libc-start.c:321:0
#51 0x000000000203a029 _start
(/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/bin/ld.lld+0x203a029)
Stack dump:
0.      Program arguments:
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/bin/ld.lld
--reproduce=lto-crash.cpio -nostdlib --build-id -m elf_x86_64 -z
max-page-size=4096 -z combreloc -z relro -z now -z text --hash-style=gnu
--eh-frame-hdr -z defs -shared -soname libhypervisor.so
./build-magenta-pc-x86-64-clang/system/ulib/hypervisor/system/ulib/hypervisor/acpi.c.o
./build-magenta-pc-x86-64-clang/system/ulib/hypervisor/system/ulib/hypervisor/block.c.o
./build-magenta-pc-x86-64-clang/system/ulib/hypervisor/system/ulib/hypervisor/guest.c
.o
./build-magenta-pc-x86-64-clang/system/ulib/hypervisor/system/ulib/hypervisor/vcpu.c.o
./build-magenta-pc-x86-64-clang/system/ulib/hypervisor/system/ulib/hypervisor/decode.c.o
scripts/dso_handle.ld ./build-magenta-pc-x86-64-clang/system/ulib/ddk/libddk.a
./build-magenta-pc-x86-64-clang/system/ulib/virtio/libvirtio.a
./build-magenta-pc-x86-64-clang/third_party/ulib/acpica/libacpica.a
./build-magenta-pc-x86-64-clang/system/ulib/c/libc.so.abi
./build-magenta-pc-x86-64-clang/system/ulib/magenta/libmagenta.so.abi
./build-magenta-pc-x86-64-cla
ng/system/ulib/mxio/libmxio.so.abi
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/lib/clang/6.0.0/lib/fuchsia/libclang_rt.builtins-x86_64.a
-o build-magenta-pc-x86-64-clang/system/ulib/hypervisor/libhypervisor.so 
1.      Running pass 'Function Pass Manager' on module 'ld-temp.o'.
2.      Running pass 'Simplify the CFG' on function '@AcpiUtDumpBuffer'
zsh: abort (core dumped) 
/usr/local/google/home/phosek/clang-llvm/llvm/out/lld/bin/ld.lld  -nostdlib

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