| ; RUN: llvm-as < %s | opt -tailduplicate -disable-output | |
| define void @ab() { | |
| entry: | |
| br label %loopentry.5 | |
| loopentry.5: ; preds = %no_exit.5, %entry | |
| %poscnt.1 = phi i64 [ 0, %entry ], [ %tmp.289, %no_exit.5 ] ; <i64> [#uses=1] | |
| %tmp.289 = ashr i64 %poscnt.1, 1 ; <i64> [#uses=1] | |
| br i1 false, label %no_exit.5, label %loopexit.5 | |
| no_exit.5: ; preds = %loopentry.5 | |
| br label %loopentry.5 | |
| loopexit.5: ; preds = %loopentry.5 | |
| ret void | |
| } | |