Unroll loops in inner-to-outer order
Unroll loops in inner-to-outer order

There's no need for fixpoint iteration; the loop indices are a pre-order,
so walking them in reverse order will visit inner loops before outer ones.

James-Ko/coreclr,gkhanna79/coreclr,yeaicc/coreclr,neurospeech/coreclr,rartemev/coreclr,James-Ko/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,AlexGhiondea/coreclr,mmitche/coreclr,wateret/coreclr,yeaicc/coreclr,kyulee1/coreclr,JonHanna/coreclr,pgavlin/coreclr,pgavlin/coreclr,jamesqo/coreclr,mmitche/coreclr,gkhanna79/coreclr,mskvortsov/coreclr,JonHanna/coreclr,qiudesong/coreclr,ragmani/coreclr,botaberg/coreclr,russellhadley/coreclr,ragmani/coreclr,jamesqo/coreclr,cshung/coreclr,JosephTremoulet/coreclr,qiudesong/coreclr,AlexGhiondea/coreclr,ruben-ayrapetyan/coreclr,YongseopKim/coreclr,YongseopKim/coreclr,krk/coreclr,rartemev/coreclr,botaberg/coreclr,AlexGhiondea/coreclr,cshung/coreclr,tijoytom/coreclr,mskvortsov/coreclr,neurospeech/coreclr,jamesqo/coreclr,hseok-oh/coreclr,rartemev/coreclr,cydhaselton/coreclr,dpodder/coreclr,krk/coreclr,poizan42/coreclr,cmckinsey/coreclr,YongseopKim/coreclr,wateret/coreclr,wateret/coreclr,cmckinsey/coreclr,cshung/coreclr,krytarowski/coreclr,mskvortsov/coreclr,James-Ko/coreclr,yizhang82/coreclr,ragmani/coreclr,krk/coreclr,JosephTremoulet/coreclr,poizan42/coreclr,JonHanna/coreclr,krytarowski/coreclr,krytarowski/coreclr,hseok-oh/coreclr,wtgodbe/coreclr,botaberg/coreclr,tijoytom/coreclr,sjsinju/coreclr,yeaicc/coreclr,alexperovich/coreclr,parjong/coreclr,mmitche/coreclr,alexperovich/coreclr,qiudesong/coreclr,JonHanna/coreclr,kyulee1/coreclr,parjong/coreclr,neurospeech/coreclr,poizan42/coreclr,krytarowski/coreclr,krk/coreclr,tijoytom/coreclr,krk/coreclr,hseok-oh/coreclr,poizan42/coreclr,James-Ko/coreclr,jamesqo/coreclr,tijoytom/coreclr,rartemev/coreclr,yizhang82/coreclr,mskvortsov/coreclr,wtgodbe/coreclr,cshung/coreclr,wateret/coreclr,cydhaselton/coreclr,ruben-ayrapetyan/coreclr,ruben-ayrapetyan/coreclr,ruben-ayrapetyan/coreclr,yeaicc/coreclr,sagood/coreclr,krk/coreclr,qiudesong/coreclr,kyulee1/coreclr,gkhanna79/coreclr,gkhanna79/coreclr,sjsinju/coreclr,pgavlin/coreclr,JonHanna/coreclr,gkhanna79/coreclr,mmitche/coreclr,JonHanna/coreclr,ragmani/coreclr,jamesqo/coreclr,JosephTremoulet/coreclr,AlexGhiondea/coreclr,botaberg/coreclr,JosephTremoulet/coreclr,krytarowski/coreclr,mmitche/coreclr,parjong/coreclr,hseok-oh/coreclr,cmckinsey/coreclr,cshung/coreclr,YongseopKim/coreclr,dpodder/coreclr,James-Ko/coreclr,YongseopKim/coreclr,hseok-oh/coreclr,wateret/coreclr,yeaicc/coreclr,mskvortsov/coreclr,dpodder/coreclr,gkhanna79/coreclr,James-Ko/coreclr,pgavlin/coreclr,cydhaselton/coreclr,neurospeech/coreclr,ragmani/coreclr,AlexGhiondea/coreclr,russellhadley/coreclr,cmckinsey/coreclr,alexperovich/coreclr,rartemev/coreclr,sjsinju/coreclr,cmckinsey/coreclr,parjong/coreclr,mmitche/coreclr,sagood/coreclr,russellhadley/coreclr,wtgodbe/coreclr,yizhang82/coreclr,dpodder/coreclr,wtgodbe/coreclr,qiudesong/coreclr,sagood/coreclr,alexperovich/coreclr,pgavlin/coreclr,sagood/coreclr,JosephTremoulet/coreclr,parjong/coreclr,alexperovich/coreclr,tijoytom/coreclr,russellhadley/coreclr,wtgodbe/coreclr,cydhaselton/coreclr,botaberg/coreclr,krytarowski/coreclr,russellhadley/coreclr,rartemev/coreclr,cmckinsey/coreclr,yeaicc/coreclr,sjsinju/coreclr,russellhadley/coreclr,AlexGhiondea/coreclr,alexperovich/coreclr,ragmani/coreclr,poizan42/coreclr,sjsinju/coreclr,kyulee1/coreclr,JosephTremoulet/coreclr,sagood/coreclr,sagood/coreclr,yizhang82/coreclr,qiudesong/coreclr,yizhang82/coreclr,dpodder/coreclr,cydhaselton/coreclr,cmckinsey/coreclr,cydhaselton/coreclr,neurospeech/coreclr,pgavlin/coreclr,poizan42/coreclr,cshung/coreclr,yeaicc/coreclr,ruben-ayrapetyan/coreclr,hseok-oh/coreclr,parjong/coreclr,yizhang82/coreclr,kyulee1/coreclr,mskvortsov/coreclr,dpodder/coreclr,YongseopKim/coreclr,tijoytom/coreclr,jamesqo/coreclr,kyulee1/coreclr,neurospeech/coreclr,sjsinju/coreclr,wateret/coreclr,botaberg/coreclr