[LLVMbugs] [Bug 1487] NEW: opt crash in indvars pass

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1487

           Summary: opt crash in indvars pass
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: lauro.venancio at gmail.com


laurov at laurov-desktop:~$ opt bugpoint-reduced-simplified.bc -indvars -o tmp.bc
opt((anonymous namespace)::PrintStackTrace()+0x1a)[0x86674fe]
opt((anonymous namespace)::SignalHandler(int)+0x112)[0x86677c4]
[0xffffe420]
opt(llvm::ETNode::DominatedBySlow(llvm::ETNode*)+0x18)[0x8419a4e]
opt(llvm::ETForestBase::dominates(llvm::BasicBlock*,
llvm::BasicBlock*)+0xba)[0x8419b0e]
opt[0x8629c2d]
opt[0x862a715]
opt(llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visitAdd(llvm::BinaryOperator&)+0x18)[0x862eea8]
opt(llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visit(llvm::Instruction&)+0xe6)[0x862f6d0]
opt(void llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visit<llvm::ilist_iterator<llvm::Instruction>
>(llvm::ilist_iterator<llvm::Instruction>,
llvm::ilist_iterator<llvm::Instruction>)+0x45)[0x862fae3]
opt(llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visit(llvm::BasicBlock&)+0x5e)[0x862fb5a]
opt(void llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visit<llvm::ilist_iterator<llvm::BasicBlock>
>(llvm::ilist_iterator<llvm::BasicBlock>,
llvm::ilist_iterator<llvm::BasicBlock>)+0x45)[0x862fba5]
opt(llvm::InstVisitor<(anonymous namespace)::Verifier,
void>::visit(llvm::Function&)+0x5e)[0x862fdc2]
opt[0x862fe11]
opt(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x8601f1c]
opt(llvm::FPPassManager::runOnModule(llvm::Module&)+0x6e)[0x86020e4]
opt(llvm::MPPassManager::runOnModule(llvm::Module&)+0x11d)[0x8601bbd]
opt(llvm::PassManagerImpl::run(llvm::Module&)+0x6e)[0x8601d8a]
opt(llvm::PassManager::run(llvm::Module&)+0x1a)[0x8601ddc]
opt(main+0xa10)[0x83964e6]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7c6cebc]
opt(realloc+0x71)[0x8388711]
Segmentation fault (core dumped)



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