[LLVMdev] ARM support status (GHC/ARM new calling convention)

[Karel Gardas]

On 06/16/11 11:00 PM, John McCall wrote:
> On Jun 16, 2011, at 1:35 PM, Karel Gardas wrote:
>> I'm working on implementing GHC specific call convention into LLVM
>> 2.9. I've chosen LLVM 2.9 as a kind of stable reference point and I
>> would like to know how mature is ARM code generation chain inside
>> this release. I've had a hope that perhaps Apple as a main sponsor
>> of LLVM is using LLVM for their ARM based iOS software development,
>> but I'm not sure if I'm right at this.
>
> You are right about this.  ARM code generation is quite mature.

Great to hear that.

>> Please bear with me, I'm neither LLVM nor GHC nor ARM expert but
>> this is my own hobby project to start learning at least Haskell and
>> ARM. My current state of the work is attached in the form of patch
>> against LLVM 2.9.
>
> I'm not really qualified to judge your patch, but please note that to
> have it accepted into LLVM you'll need to make it work on ToT.

OK, I'll move to git then.

>> Also is there any way how to convince llc to support -debug
>> argument? I've build debug build, but it looks like -debug is
>> missing...
>
> What are you trying to do here?  Emit debug info?

Just to execute printing like:
#ifndef NDEBUG
       dbgs() << "Call operand #" << i << " has unhandled type "
              << EVT(ArgVT).getEVTString();
#endif

Thanks a lot!
Karel