read_verilog <<EOT

module ff(...);
input d;
output q;

endmodule

module top(...);
input d;
output q1;
(* init = 1'b1 *)
output q2;

ff my_ff1(.d(d), .q(q1));
ff my_ff2(.d(d), .q(q2));

endmodule

EOT

dffinit -ff ff q init
select -assert-count 2 t:ff
select -assert-count 1 t:ff r:init %i
select -assert-count 1 t:ff r:init=1'b1 %i