Wiktionary
all to smash
adv. 1 (context idiomatic English) ruined; bankrupt. 2 (context idiomatic English) completely, to the point of destruction.
Usage examples of "all to smash".
And it can send Willowood Station all to smash and do the same, my dear fellows, to Stooton and Seaside and Twombly Town and Brompton Village and who knows what all else.
I'm not going anywhere without you, kitten-even if that means that the world goes all to smash.