; RUN: opt < %s -loop-rotate -loop-unswitch -disable-output define i32 @stringSearch_Clib(i32 %count) { entry: br i1 false, label %bb36, label %bb44 cond_true20: ; preds = %bb36 %tmp33 = add i32 0, 0 ; [#uses=1] br label %bb36 bb36: ; preds = %cond_true20, %entry %c.2 = phi i32 [ %tmp33, %cond_true20 ], [ 0, %entry ] ; [#uses=1] br i1 false, label %cond_true20, label %bb41 bb41: ; preds = %bb36 %c.2.lcssa = phi i32 [ %c.2, %bb36 ] ; [#uses=0] ret i32 0 bb44: ; preds = %entry ret i32 0 }