|  | ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | 
|  |  | 
|  | define void @get_initial_mb16x16_cost() nounwind { | 
|  | entry: | 
|  | br i1 undef, label %bb4, label %bb1 | 
|  |  | 
|  | bb1:                                              ; preds = %entry | 
|  | br label %bb7 | 
|  |  | 
|  | bb4:                                              ; preds = %entry | 
|  | br i1 undef, label %bb7.thread, label %bb5 | 
|  |  | 
|  | bb5:                                              ; preds = %bb4 | 
|  | br label %bb7 | 
|  |  | 
|  | bb7.thread:                                       ; preds = %bb4 | 
|  | br label %bb8 | 
|  |  | 
|  | bb7:                                              ; preds = %bb5, %bb1 | 
|  | br i1 undef, label %bb8, label %bb10 | 
|  |  | 
|  | bb8:                                              ; preds = %bb7, %bb7.thread | 
|  | %0 = phi double [ 5.120000e+02, %bb7.thread ], [ undef, %bb7 ] ; <double> [#uses=1] | 
|  | %1 = fdiv double %0, undef                      ; <double> [#uses=0] | 
|  | unreachable | 
|  |  | 
|  | bb10:                                             ; preds = %bb7 | 
|  | ret void | 
|  | } |