|  | ; RUN: llc < %s -march=x86-64 | 
|  | ; PR6086 | 
|  | define fastcc void @prepOutput() nounwind { | 
|  | bb:                                               ; preds = %output.exit | 
|  | br label %bb.i1 | 
|  |  | 
|  | bb.i1:                                            ; preds = %bb7.i, %bb | 
|  | br i1 undef, label %bb7.i, label %bb.nph.i | 
|  |  | 
|  | bb.nph.i:                                         ; preds = %bb.i1 | 
|  | br label %bb3.i | 
|  |  | 
|  | bb3.i:                                            ; preds = %bb5.i6, %bb.nph.i | 
|  | %tmp10.i = trunc i64 undef to i32               ; <i32> [#uses=1] | 
|  | br i1 undef, label %bb4.i, label %bb5.i6 | 
|  |  | 
|  | bb4.i:                                            ; preds = %bb3.i | 
|  | br label %bb5.i6 | 
|  |  | 
|  | bb5.i6:                                           ; preds = %bb4.i, %bb3.i | 
|  | %0 = phi i32 [ undef, %bb4.i ], [ undef, %bb3.i ] ; <i32> [#uses=1] | 
|  | %1 = icmp slt i32 %0, %tmp10.i                  ; <i1> [#uses=1] | 
|  | br i1 %1, label %bb7.i, label %bb3.i | 
|  |  | 
|  | bb7.i:                                            ; preds = %bb5.i6, %bb.i1 | 
|  | br label %bb.i1 | 
|  | } |