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0.543897
2011 Jan 09
2
[LLVMdev] Increasing TargetRegisterInfo::FirstVirtualRegister?
On Jan 7, 2011, at 11:25 AM, Dale Johannesen wrote:
> We might want to make physical registers negative and virtuals positive, or vice versa. Then FirstVirtualRegister is 0 or 1, and we could get rid of those annoying subtractions of FirstVirtualRegister all over the virtual-register-handling passes. Since 0 is used all over the place as "invalid register" it is probably best to