[LLVMdev] Live Intervals and Register Classes

[Chris Lattner]

On Fri, 11 May 2007, David Greene wrote:
> Umm...yeah.  That way be dragons.  :-/
>
> Fortunately, I found
> MachineFunction::getSSARegMap()->getRegClass(LI.reg) which
> works swimmingly.

Yep, that's exactly the right way to go for vregs.  It won't work for 
physregs, primarily because they can be in multiple reg classes :)

-Chris

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