{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"self.cached_llbbs[bb]"}]}
                self.cached_llbbs[bb] = CachedLlbb::Some(llbb);
                let llbb = Bx::append_block(self.cx, self.llfn, &format!("{bb:?}"));
                Some(llbb)