▁OpenGL ▁Sh ading ▁Language , ▁Ruby , ▁R ust , ▁Scala , ▁Swift , ▁and ▁X o jo . ▁ ▁History ▁The ▁LL VM ▁project ▁started ▁in ▁ 2 0 0 0 ▁at ▁the ▁University ▁of ▁Illinois ▁at ▁U rb ana – Ch amp aign , ▁under ▁the ▁direction ▁of ▁Vik ram ▁Ad ve ▁and ▁Chris ▁L att ner . ▁LL VM ▁was ▁originally ▁developed ▁as ▁a ▁research ▁infrastr ucture ▁to ▁investigate ▁dynamic ▁compilation ▁techniques ▁for ▁static ▁and ▁dynamic ▁programming ▁languages . ▁LL VM ▁was ▁released ▁under ▁the ▁University ▁of ▁Illinois / NC SA ▁Open ▁Source ▁License , ▁a ▁perm iss ive ▁free ▁software ▁lic ence . ▁In ▁ 2 0 0 5 , ▁Apple ▁Inc . ▁h ired ▁L att ner ▁and ▁formed ▁a ▁team ▁to ▁work ▁on ▁the ▁LL VM ▁system ▁for ▁various ▁uses ▁within ▁Apple ' s ▁development ▁systems . ▁LL VM ▁is ▁an ▁integral ▁part ▁of ▁Apple ' s ▁latest ▁development ▁tools ▁for ▁mac OS ▁and ▁iOS . ▁Since ▁ 2 0 1 3 , ▁Sony ▁has ▁been ▁using ▁LL VM ' s ▁primary ▁front ▁end ▁Cl ang ▁compiler ▁in ▁the ▁software ▁development ▁k it ▁( SDK ) ▁of ▁its ▁Play Station ▁ 4 ▁console . ▁ ▁The ▁name ▁LL VM ▁was ▁originally ▁an ▁initial ism ▁for ▁Low ▁Level ▁Virtual ▁Machine . ▁This ▁abbre viation ▁has ▁officially ▁been ▁removed ▁to ▁avoid ▁confusion , ▁as ▁the ▁LL VM ▁has ▁evol ved ▁into ▁an ▁um bre lla ▁project ▁that ▁has ▁little ▁relationship ▁to ▁what ▁most ▁current ▁developers ▁think ▁of ▁as ▁virtual