Function rustc_mir::util::find_self_call

pub fn find_self_call(
    tcx: TyCtxt<'_>, 
    body: &Body<'_>, 
    local: Local, 
    block: BasicBlock
) -> Option<DefId>

Checks if the specified local is used as the self prameter of a method call in the provided BasicBlock. If it is, then the DefId of the called method is returned.