| ; RUN: llvm-as < %s | opt -loopsimplify | |
| implementation | |
| ; This function should get a preheader inserted before BB3, that is jumped | |
| ; to by BB1 & BB2 | |
| ; | |
| void "test"() | |
| begin | |
| br bool true, label %BB1, label %BB2 | |
| BB1: br label %BB3 | |
| BB2: br label %BB3 | |
| BB3: | |
| br label %BB3 | |
| end |