[LLVMdev] Debug info not preserved by llvm-as (LLParser)?

[David Blaikie]

(oops, dropped the ML by accident)

On Mon, Feb 2, 2015 at 3:53 PM, David Blaikie <dblaikie at gmail.com> wrote:

>
>
> On Mon, Feb 2, 2015 at 3:46 PM, Peter Zion <Peter.Zion at fabricengine.com>
> wrote:
>
>>  Hi there,
>>
>>  If I run:
>>
>>    clang -S -emit-llvm -o - -g test.c
>>
>>  for a trivial test.c I see debug info in the IR as expected.  However,
>> if I run:
>>
>>    clang -S -emit-llvm -o - -g test.c | llvm-as | llvm-dis
>>
>
> Are you using matching (built from the exact same revision) versions of
> clang, llvm-as, and llvm-dis?
>
>
>>
>>  the debug info is stripped.  Is this intentional?  If so, is there a
>> way to force the debug metadata to make its way through the pipeline?  This
>> is on either LLVM 3.5 or LLVM 3.4.
>>
>>  This has come up for me because I was hoping to provide IR in place of
>> source code in a certain part of our application and while it works any
>> unit tests that rely on debug info are broken.  Tracking down the issue let
>> me to this.
>>
>>  Peter Zion
>>
>>
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>>
>>
>
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