; RUN: opt < %s -gvnpre | llvm-dis define fastcc void @compute_max_score_1() { entry: %tmp7 = sub i32 0, 0 ; [#uses=0] br label %bb bb: ; preds = %bb212, %entry %indvar29 = phi i32 [ 0, %entry ], [ %indvar.next30, %bb212 ] ; [#uses=2] %j.01.0 = sub i32 %indvar29, 0 ; [#uses=0] br label %cond_next166 cond_next166: ; preds = %cond_next166, %bb br i1 false, label %bb212, label %cond_next166 bb212: ; preds = %cond_next166 %indvar.next30 = add i32 %indvar29, 1 ; [#uses=1] br i1 false, label %return, label %bb return: ; preds = %bb212 ret void }