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1; RUN: opt < %s -passes=instcombine -S | grep ret2; PR12173 4target datalayout = "e-p:32:32"5target triple = "i686-pc-linux-gnu"6 %struct.termbox = type { ptr, i32, i32, i32, i32, i32 }7 8 9define void @ggenorien() {10entry:11 %tmp68 = icmp eq ptr null, null ; <i1> [#uses=1]12 br i1 %tmp68, label %cond_next448, label %bb8013 14bb80: ; preds = %entry15 ret void16 17cond_next448: ; preds = %entry18 br i1 false, label %bb756, label %bb59519 20bb595: ; preds = %cond_next44821 br label %bb60922 23bb609: ; preds = %bb756, %bb59524 %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 %bb75627 28bb756: ; preds = %bb609, %cond_next44829 %termnum.6 = phi i32 [ %tmp755, %bb609 ], [ 2, %cond_next448 ] ; <i32> [#uses=1]30 br label %bb60931}32