1 ; RUN: opt < %s -scalar-evolution -analyze | grep {Loop %header: backedge-taken count is (0 smax %n)} 2 3 define void @foo(i32 %n) { 4 entry: 5 br label %header 6 header: 7 %i = phi i32 [ 0, %entry ], [ %i.inc, %next ] 8 %cond = icmp sgt i32 %n, %i 9 br i1 %cond, label %next, label %return 10 next: 11 %i.inc = add i32 %i, 1 12 br label %header 13 return: 14 ret void 15 } 16
