[LLVMdev] All the passes (even the LLVMHello.so) fail at doFinalization()

[Eric Christopher]

That doesn't tell me where your module came from. How did you create
the module that you're attempting to verify?

-eric

On Tue, Aug 12, 2014 at 1:00 AM, Tianyin Xu <tixu at cs.ucsd.edu> wrote:
> I just follow the tutorial: http://llvm.org/docs/WritingAnLLVMPass.html
>
> Actually it's not only my module, I used the LLVMHello.so (a sample module
> in the source tree) and get the crash (I didn't do anything :-P).
>
> ~t
>
>
> On Tue, Aug 12, 2014 at 12:57 AM, Eric Christopher <echristo at gmail.com>
> wrote:
>>
>> Weird, it definitely shouldn't be crashing. How did you create your
>> module?
>>
>> -eric
>>
>> On Tue, Aug 12, 2014 at 12:56 AM, Tianyin Xu <tixu at cs.ucsd.edu> wrote:
>> > no... I guess verifier runs by default and it points to the
>> > doFinailization() function :-(
>> >
>> > ~t
>> >
>> >
>> > On Tue, Aug 12, 2014 at 12:53 AM, Eric Christopher <echristo at gmail.com>
>> > wrote:
>> >>
>> >> No idea, I was suggesting to just run the verifier to see if it would
>> >> pinpoint what's broken about the module.
>> >>
>> >> -eric
>> >>
>> >> On Tue, Aug 12, 2014 at 12:52 AM, Tianyin Xu <tixu at cs.ucsd.edu> wrote:
>> >> > Oh, you mean opt -disable-verify?
>> >> >
>> >> > Yes, it does eliminate the crashing...
>> >> >
>> >> > Do you know what's the problem, Eric?
>> >> >
>> >> > Thanks a lot!
>> >> > ~t
>> >> >
>> >> >
>> >> > On Tue, Aug 12, 2014 at 12:42 AM, Eric Christopher
>> >> > <echristo at gmail.com>
>> >> > wrote:
>> >> >>
>> >> >> Tried opt -verify on your module?
>> >> >>
>> >> >> -eric
>> >> >>
>> >> >> On Tue, Aug 12, 2014 at 12:28 AM, Tianyin Xu <tixu at cs.ucsd.edu>
>> >> >> wrote:
>> >> >> > Hi all,
>> >> >> >
>> >> >> > I find all my passes are all broken with LLVM 3.4. Then I tried
>> >> >> > out
>> >> >> > the
>> >> >> > LLVMHello.so specified in the LLVM doc,
>> >> >> > http://llvm.org/docs/WritingAnLLVMPass.html
>> >> >> > and it also crashes.
>> >> >> >
>> >> >> > It seems all the functions in the pass do work, but LLVM crashes
>> >> >> > in
>> >> >> > the
>> >> >> > doFinalization() step.
>> >> >> >
>> >> >> > Does anyone know this problem?
>> >> >> >
>> >> >> > Thanks!
>> >> >> > Tianyin
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > -----------------------------------------------------------------------------------------------------------------
>> >> >> >
>> >> >> > #opt -load ../../../Debug+Asserts/lib/LLVMHello.so -hello
>> >> >> > -time-passes <
>> >> >> > bcfiles/hello.bc
>> >> >> > ...
>> >> >> > (PRINT ALL THE FUNCTIONS, EVERYTHING IS FINE.)
>> >> >> > ...
>> >> >> > wrong initalizer for intrinsic global variable
>> >> >> > [0 x i8*] zeroinitializer
>> >> >> > Broken module found, compilation aborted!
>> >> >> > 0  opt             0x00000000019ac447
>> >> >> > llvm::sys::PrintStackTrace(_IO_FILE*)
>> >> >> > + 38
>> >> >> > 1  opt             0x00000000019ac6ce
>> >> >> > 2  opt             0x00000000019ac112
>> >> >> > 3  libpthread.so.0 0x00007feee0c77cb0
>> >> >> > 4  libc.so.6       0x00007feedfca2425 gsignal + 53
>> >> >> > 5  libc.so.6       0x00007feedfca5b8b abort + 379
>> >> >> > 6  opt             0x0000000001953173
>> >> >> > 7  opt             0x0000000001953097
>> >> >> > 8  opt             0x0000000001928676
>> >> >> > llvm::FPPassManager::doFinalization(llvm::Module&) + 88
>> >> >> > 9  opt             0x0000000001928a8a
>> >> >> > 10 opt             0x0000000001928ef0
>> >> >> > llvm::legacy::PassManagerImpl::run(llvm::Module&) + 254
>> >> >> > 11 opt             0x0000000001929103
>> >> >> > llvm::legacy::PassManager::run(llvm::Module&) + 39
>> >> >> > 12 opt             0x00000000008f88cd main + 5778
>> >> >> > 13 libc.so.6       0x00007feedfc8d76d __libc_start_main + 237
>> >> >> > 14 opt             0x00000000008ea589
>> >> >> > Stack dump:
>> >> >> > 0. Program arguments: opt -load
>> >> >> > ../../../Debug+Asserts/lib/LLVMHello.so
>> >> >> > -hello -time-passes
>> >> >> > Aborted (core dumped)
>> >> >> >
>> >> >> > --
>> >> >> > Tianyin XU,
>> >> >> > http://cseweb.ucsd.edu/~tixu/
>> >> >> >
>> >> >> > _______________________________________________
>> >> >> > LLVM Developers mailing list
>> >> >> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> >> >> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> >> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Tianyin XU,
>> >> > http://cseweb.ucsd.edu/~tixu/
>> >
>> >
>> >
>> >
>> > --
>> > Tianyin XU,
>> > http://cseweb.ucsd.edu/~tixu/
>
>
>
>
> --
> Tianyin XU,
> http://cseweb.ucsd.edu/~tixu/