; RUN: opt < %s -tailduplicate -disable-output declare void @__main() define i32 @main() { entry: call void @__main( ) br label %loopentry loopentry: ; preds = %no_exit, %entry %i.0 = phi i32 [ %inc, %no_exit ], [ 0, %entry ] ; <i32> [#uses=3] %tmp.1 = icmp sle i32 %i.0, 99 ; <i1> [#uses=1] br i1 %tmp.1, label %no_exit, label %return no_exit: ; preds = %loopentry %tmp.51 = call i32 @main( ) ; <i32> [#uses=0] %inc = add i32 %i.0, 1 ; <i32> [#uses=1] br label %loopentry return: ; preds = %loopentry ret i32 %i.0 }