[LLVMdev] [LLVMDev] Live Intervals and Finding the next usage

[Jeff Kunkel]

On Thu, Jan 20, 2011 at 9:39 AM, Jeff Kunkel <jdkunk3 at gmail.com> wrote:

> I am looking for the slot index of a register around the given slot index
> Min. Is there a better way than the linear search:
>
> ...
> findDefUsesAroundIndex( LiveInterval* li, SlotIndex Min )
> ...
>   for( MachineOperand * mo = MRI->getRegUseDefListHead(li->reg);
>     mo; mo = mo->getNextOperandForReg() )
>   {
>     SlotIndex si = SI->getInstructionIndex( mo->getParent() );// changed
>     if( Min.distance(si) >= 0 )
> ...
>
> - Thanks
> Jeff Kunkel
>
>
> On Thu, Jan 20, 2011 at 8:37 AM, Jeff Kunkel <jdkunk3 at gmail.com> wrote:
>
>> I have a live interval, and I would like to find out what SlotIndex the
>> next use the register will occur? Is there any way to map a live interval
>> back into instructions or SlotIndexes or blocks used by?
>>
>> - Thanks
>> Jeff Kunkel
>>
>
>
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