[LLVMdev] reg_iterator Caveats

Chris Lattner clattner at apple.com
Mon Mar 31 17:55:28 PDT 2008


On Mar 31, 2008, at 5:35 PM, Evan Cheng wrote:
>>> MachineRegisterInfo tracks virtual register only.
>>
>> It works for vregs and pregs today.
>
> Ok! Fooled me with this comment:
>
> /// MachineRegisterInfo - Keep track of information for each virtual  
> register,
> /// including its register class.

Hrm, my tree [now] says:

/// MachineRegisterInfo - Keep track of information for virtual and  
physical
/// registers, including vreg register classes, use/def chains for  
registers,
/// etc.

maybe you need to update :-P

-Chris



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