Displaying 2 results from an estimated 2 matches for "vninfoalloc".
2007 Oct 06
2
[LLVMdev] Spill Interval Generation Question
...e that the source live
interval's value "end" is the def slot for the instruction.
In LiveIntervalAnalysis::addIntervalsForSpills, we have this:
if (HasUse) {
LiveRange LR(getLoadIndex(index), getUseIndex(index),
nI.getNextValue(~0U, 0, VNInfoAllocator));
DOUT << " +" << LR;
nI.addRange(LR);
}
Should this actually extend from the load index to the def index since
value intervals are exclusive at end? Otherwise, the interval for the spill
doesn't include the use of the reloaded reg...
2007 Oct 08
0
[LLVMdev] Spill Interval Generation Question
On Oct 5, 2007, at 5:52 PM, David Greene wrote:
>
> In LiveIntervalAnalysis::addIntervalsForSpills, we have this:
>
> if (HasUse) {
> LiveRange LR(getLoadIndex(index), getUseIndex(index),
> nI.getNextValue(~0U, 0, VNInfoAllocator));
> DOUT << " +" << LR;
> nI.addRange(LR);
> }
>
> Should this actually extend from the load index to the def index since
> value intervals are exclusive at end? Otherwise, the interval for
> the spill
> doesn...