[LLVMbugs] [Bug 4866] New: Exciting new crash with -inline -dse -domtree

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4866

           Summary: Exciting new crash with -inline -dse -domtree
           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: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=3418)
 --> (http://llvm.org/bugs/attachment.cgi?id=3418)
testcase .ll

This problem didn't exist a few days ago.  Reduced from Ada ACATS test c974001.

$ opt -inline -dse -domtree dom_crash.bc
0   opt       0x0000000000990b57
1   opt       0x000000000099098a
2   libc.so.6 0x00007faad8e17530
3   opt       0x0000000000515006
__gnu_cxx::__normal_iterator<llvm::DomTreeNodeBase<llvm::BasicBlock>**,
std::__norm::vector<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
std::allocator<llvm::DomTreeNodeBase<llvm::BasicBlock>*> >
>::__normal_iterator(llvm::DomTreeNodeBase<llvm::BasicBlock>** const&) + 16
4   opt       0x0000000000513f3b
std::__norm::vector<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
std::allocator<llvm::DomTreeNodeBase<llvm::BasicBlock>*> >::begin() + 31
5   opt       0x0000000000512b8b
std::__debug::vector<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
std::allocator<llvm::DomTreeNodeBase<llvm::BasicBlock>*> >::begin() + 33
6   opt       0x0000000000877a86
llvm::DomTreeNodeBase<llvm::BasicBlock>::begin() + 38
7   opt       0x00000000005116fc
llvm::GraphTraits<llvm::DomTreeNodeBase<llvm::BasicBlock>*>::child_begin(llvm::DomTreeNodeBase<llvm::BasicBlock>*)
+ 34
8   opt       0x0000000000514675
llvm::df_iterator<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
llvm::SmallPtrSet<llvm::DomTreeNodeBase<llvm::BasicBlock>*, 8u>, false,
llvm::GraphTraits<llvm::DomTreeNodeBase<llvm::BasicBlock>*>
>::df_iterator(llvm::DomTreeNodeBase<llvm::BasicBlock>*) + 125
9   opt       0x0000000000513652
llvm::df_iterator<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
llvm::SmallPtrSet<llvm::DomTreeNodeBase<llvm::BasicBlock>*, 8u>, false,
llvm::GraphTraits<llvm::DomTreeNodeBase<llvm::BasicBlock>*>
>::begin(llvm::DomTreeNodeBase<llvm::BasicBlock>* const&) + 47
10  opt       0x00000000005124b7
llvm::df_iterator<llvm::DomTreeNodeBase<llvm::BasicBlock>*,
llvm::SmallPtrSet<llvm::GraphTraits<llvm::DomTreeNodeBase<llvm::BasicBlock>*>::NodeType*,
8u>, false, llvm::GraphTraits<llvm::DomTreeNodeBase<llvm::BasicBlock>*> >
llvm::df_begin<llvm::DomTreeNodeBase<llvm::BasicBlock>*>(llvm::DomTreeNodeBase<llvm::BasicBlock>*
const&) + 34
11  opt       0x000000000050e19d
12  opt       0x00000000008d5e37
llvm::FPPassManager::runOnFunction(llvm::Function&) + 395
13  opt       0x0000000000708e8c
14  opt       0x0000000000709bac
15  opt       0x00000000008d63ce
llvm::MPPassManager::runOnModule(llvm::Module&) + 504
16  opt       0x00000000008d6985 llvm::PassManagerImpl::run(llvm::Module&) +
125
17  opt       0x00000000008d6c8d llvm::PassManager::run(llvm::Module&) + 39
18  opt       0x00000000004203f8 main + 3595
19  libc.so.6 0x00007faad8e02abd __libc_start_main + 253
20  opt       0x00000000004002a9
Stack dump:
0.      Running pass 'CallGraph Pass Manager' on module 'dom_crash.bc'.
1.      Running pass 'Dead Store Elimination' on function
'@c974001__lengthy_calculation.1736'
Segmentation fault (core dumped)


-- 
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.