[LLVMdev] Linking/archiving bitcodes with module asm

[Andrey Belevantsev]

Hi Rafael,

On 09.08.2014 3:00, Rafael Espíndola wrote:
> I think this has been fixed on trunk, can you confirm?

I only have 3.4-based toolchain, so could you point me to the patches that 
fixed this?  I could try backporting them and then checking.  It's been 
some time ago, so I would need to dig up this example back.

Yours,
Andrey

>
> On 24 June 2014 03:19, Andrey Belevantsev <abel at ispras.ru> wrote:
>> Hello,
>>
>> I'm archiving a number of bitcode files via gold plugin based on LLVM 3.4.
>> When I find a thumbv7 bitcode with a couple of module asms, I get a segfault
>> in ARMAsmParser::parseDirectiveFnStart because getTargetStreamer returns
>> NULL.  Frankly, I don't see how this is supposed to work because as far as I
>> understood LTOModule::addAsmGlobalSymbols only creates a RecordStreamer
>> which is then attached to the MCTargetAsmParser, and no TargetStreamer is
>> ever created.
>>
>> The places that explicitly call createAsmStreamer are only writing assembly
>> as llvm-mc or cc1as.  I've tried to follow that scheme in
>> addAsmGlobalSymbols but failed.  Any ideas?
>>
>> Andrey
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