1; This testcase fails because preheader insertion is not updating exit node 2; information for loops. 3 4; RUN: opt < %s -passes=licm 5 6define i32 @main(i32 %argc, ptr %argv) { 7bb0: 8 br i1 false, label %bb7, label %bb5 9bb5: ; preds = %bb5, %bb0 10 br i1 false, label %bb5, label %bb7 11bb7: ; preds = %bb7, %bb5, %bb0 12 br i1 false, label %bb7, label %bb10 13bb10: ; preds = %bb7 14 ret i32 0 15} 16 17