[llvm-commits] [cfe-commits] The AArch64 LLVM (& Clang) target

[Jakob Stoklund Olesen]

On Jan 25, 2013, at 1:23 AM, Tim Northover <t.p.northover at gmail.com> wrote:

>> It's important that the MC libraries don't depend on CodeGen which is huge.
> 
> I *thought* I'd heard that somewhere before.
> 
>>> Put the MCRegisterClass bits into
>>> libLLVMAArch64Desc (by modifying TableGen)?
>> 
>> You want MCRegisterInfo::getRegClass().
> 
> Ah, I'd foolishly assumed that part of your original suggestion was
> some kind of typo when it wasn't obvious how to get hold of one.  I've
> now found the XCore backend and been shamelessly inspired by its
> implementation.

Great!

We really should merge TargetRegisterClass into MCRegisterClass, but it still has a bit of CodeGen dependencies in getRawAllocationOrder().

/jakob