|  | ; RUN: llc < %s -mtriple=x86_64-appel-darwin -disable-cgp-branch-opts -stats |& grep {machine-sink} | 
|  |  | 
|  | define fastcc void @t() nounwind ssp { | 
|  | entry: | 
|  | br i1 undef, label %bb, label %bb4 | 
|  |  | 
|  | bb:                                               ; preds = %entry | 
|  | br i1 undef, label %return, label %bb3 | 
|  |  | 
|  | bb3:                                              ; preds = %bb | 
|  | unreachable | 
|  |  | 
|  | bb4:                                              ; preds = %entry | 
|  | br i1 undef, label %bb.nph, label %return | 
|  |  | 
|  | bb.nph:                                           ; preds = %bb4 | 
|  | br label %bb5 | 
|  |  | 
|  | bb5:                                              ; preds = %bb9, %bb.nph | 
|  | %indvar = phi i64 [ 0, %bb.nph ], [ %tmp12, %bb9 ] ; <i64> [#uses=1] | 
|  | %tmp12 = add i64 %indvar, 1                     ; <i64> [#uses=2] | 
|  | %tmp13 = trunc i64 %tmp12 to i32                ; <i32> [#uses=0] | 
|  | br i1 undef, label %bb9, label %bb6 | 
|  |  | 
|  | bb6:                                              ; preds = %bb5 | 
|  | br i1 undef, label %bb9, label %bb7 | 
|  |  | 
|  | bb7:                                              ; preds = %bb6 | 
|  | br i1 undef, label %bb9, label %bb8 | 
|  |  | 
|  | bb8:                                              ; preds = %bb7 | 
|  | unreachable | 
|  |  | 
|  | bb9:                                              ; preds = %bb7, %bb6, %bb5 | 
|  | br i1 undef, label %bb5, label %return | 
|  |  | 
|  | return:                                           ; preds = %bb9, %bb4, %bb | 
|  | ret void | 
|  | } |