| ; RUN: llvm-upgrade < %s | llvm-as | opt -tailduplicate -disable-output | |
| int %foo() { | |
| entry: | |
| br label %return.i | |
| after_ret.i: | |
| br label %return.i | |
| return.i: | |
| %tmp.3 = cast int* null to int | |
| br label %return.i1 | |
| after_ret.i1: | |
| br label %return.i1 | |
| return.i1: | |
| %tmp.8 = sub int %tmp.3, 0 | |
| ret int 0 | |
| } |