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      1 ; RUN: opt < %s -instcombine -S | grep ret
      2 ; PR1217
      3 
      4 target datalayout = "e-p:32:32"
      5 target triple = "i686-pc-linux-gnu"
      6 	%struct.termbox = type { %struct.termbox*, i32, i32, i32, i32, i32 }
      7 
      8 
      9 define void @ggenorien() {
     10 entry:
     11 	%tmp68 = icmp eq %struct.termbox* null, null		; <i1> [#uses=1]
     12 	br i1 %tmp68, label %cond_next448, label %bb80
     13 
     14 bb80:		; preds = %entry
     15 	ret void
     16 
     17 cond_next448:		; preds = %entry
     18 	br i1 false, label %bb756, label %bb595
     19 
     20 bb595:		; preds = %cond_next448
     21 	br label %bb609
     22 
     23 bb609:		; preds = %bb756, %bb595
     24 	%termnum.6240.0 = phi i32 [ 2, %bb595 ], [ %termnum.6, %bb756 ]		; <i32> [#uses=1]
     25 	%tmp755 = add i32 %termnum.6240.0, 1		; <i32> [#uses=1]
     26 	br label %bb756
     27 
     28 bb756:		; preds = %bb609, %cond_next448
     29 	%termnum.6 = phi i32 [ %tmp755, %bb609 ], [ 2, %cond_next448 ]		; <i32> [#uses=1]
     30 	br label %bb609
     31 }
     32