|  | ; RUN: opt < %s -loop-rotate -verify-dom-info -verify-loop-info -disable-output | 
|  | ; ModuleID = 'PhiSelfReference-1.bc' | 
|  |  | 
|  | define void @snrm2(i32 %incx) { | 
|  | entry: | 
|  | br i1 false, label %START, label %return | 
|  |  | 
|  | START:		; preds = %entry | 
|  | br i1 false, label %bb85, label %cond_false93 | 
|  |  | 
|  | bb52:		; preds = %bb85 | 
|  | br i1 false, label %bb307, label %cond_next71 | 
|  |  | 
|  | cond_next71:		; preds = %bb52 | 
|  | ret void | 
|  |  | 
|  | bb85:		; preds = %START | 
|  | br i1 false, label %bb52, label %bb88 | 
|  |  | 
|  | bb88:		; preds = %bb85 | 
|  | ret void | 
|  |  | 
|  | cond_false93:		; preds = %START | 
|  | ret void | 
|  |  | 
|  | bb243:		; preds = %bb307 | 
|  | br label %bb307 | 
|  |  | 
|  | bb307:		; preds = %bb243, %bb52 | 
|  | %sx_addr.2.pn = phi float* [ %sx_addr.5, %bb243 ], [ null, %bb52 ]		; <float*> [#uses=1] | 
|  | %sx_addr.5 = getelementptr float, float* %sx_addr.2.pn, i32 %incx		; <float*> [#uses=1] | 
|  | br i1 false, label %bb243, label %bb310 | 
|  |  | 
|  | bb310:		; preds = %bb307 | 
|  | ret void | 
|  |  | 
|  | return:		; preds = %entry | 
|  | ret void | 
|  | } |