[LLVMdev] Changing The '.' Used to Prefix Labels in Assembly Output

[Ahmed Bougacha]

(+llvmdev)

On Mon, Mar 23, 2015 at 2:18 PM, bill rowe <bill.rowe.ottawa at gmail.com> wrote:
> Thanks.  Thats sounds exactly the right thing.
>
> I couldn't actually find any instance of PrivateLabelPrefix though.

It might not be used directly by ARMMCAsmInfo.cpp, as there's a class
hierarchy mirroring the object file formats/platforms/target
relationships (doxygen is helpful for this kind of thing:
http://llvm.org/doxygen/)

See the MCAsmInfo class declaration for the base class:
include/llvm/MC/MCAsmInfo.h

-Ahmed

> I do
> see PrivateGlobalPrefix which doesn't sound quite as right but was set to
> ".L".  Changing it to "$$L" didn't affect anything.

> On Mon, Mar 23, 2015 at 4:11 PM, Ahmed Bougacha <ahmed.bougacha at gmail.com>
> wrote:
>>
>> On Mon, Mar 23, 2015 at 12:46 PM, bill rowe <bill.rowe.ottawa at gmail.com>
>> wrote:
>> > I'm working on an LLVM back end with output to assembly file (.s). I'm
>> > using
>> > the ARM assembly printer.
>> > The generated labels (e.g. for a while statement) start with '.' like
>> > .LBB0_1
>> > I would like to change the '.' to something else (specifically $$ if it
>> > matters).
>> > I see a lot of customizability in targetinfo.cpp but not that particular
>> > item.
>> >
>> > Where should I be looking?
>>
>> I believe MCAsmInfo is what you're looking for. (for ARM, in
>> lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp)
>>
>> -Ahmed
>>
>> >
>> > _______________________________________________
>> > LLVM Developers mailing list
>> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> >
>
>