1 ; RUN: opt < %s -loop-reduce -disable-output 2 ; PR 2537 3 4 define void @a() { 5 entry: 6 br label %dobody 7 8 dobody: ; preds = %dobody, %entry 9 %y.0 = phi i128 [ 0, %entry ], [ %add, %dobody ] 10 %x.0 = phi i128 [ 0, %entry ], [ %add2, %dobody ] 11 %add = add i128 %y.0, shl (i128 1, i128 64) 12 %add2 = add i128 %x.0, shl (i128 1, i128 48) 13 call void @b( i128 %add ) 14 %cmp = icmp ult i128 %add2, shl (i128 1, i128 64) 15 br i1 %cmp, label %dobody, label %afterdo 16 17 afterdo: ; preds = %dobody 18 ret void 19 } 20 21 declare void @b(i128 %add) 22