yosys/tests/techmap/zinit.ys

read_verilog -icells <<EOT
module top(input C, R, input [1:0] D, (* init = {2'b10, 2'b01, 1'b1, {8{1'b1}}} *) output [12:0] Q);

(* init = 1'b1 *)
wire unused;

$_DFF_NN0_ dff0 (.C(C), .D(D[0]), .R(R), .Q(Q[0]));
$_DFF_NN1_ dff1 (.C(C), .D(D[0]), .R(R), .Q(Q[1]));
$_DFF_NP0_ dff2 (.C(C), .D(D[0]), .R(R), .Q(Q[2]));
$_DFF_NP1_ dff3 (.C(C), .D(D[0]), .R(R), .Q(Q[3]));
$_DFF_PN0_ dff4 (.C(C), .D(D[0]), .R(R), .Q(Q[4]));
$_DFF_PN1_ dff5 (.C(C), .D(D[0]), .R(R), .Q(Q[5]));
$_DFF_PP0_ dff6 (.C(C), .D(D[0]), .R(R), .Q(Q[6]));
$_DFF_PP1_ dff7 (.C(C), .D(D[0]), .R(R), .Q(Q[7]));

$adff #(.WIDTH(2), .CLK_POLARITY(1), .ARST_POLARITY(1'b0), .ARST_VALUE(2'b10)) dff8 (.CLK(C), .ARST(R), .D(D), .Q(Q[10:9]));
$adff #(.WIDTH(2), .CLK_POLARITY(0), .ARST_POLARITY(1'b1), .ARST_VALUE(2'b01)) dff9 (.CLK(C), .ARST(R), .D(D), .Q(Q[12:11]));
endmodule
EOT
equiv_opt -assert -multiclock zinit
design -load postopt

select -assert-count 16 t:$_NOT_
select -assert-count 4 t:$xor
select -assert-count 1 w:unused a:init %i
select -assert-count 1 w:Q a:init=13'bxxxx1xxxxxxxx %i
select -assert-count 4 c:dff0 c:dff2 c:dff4 c:dff6 %% t:$_DFF_??1_ %i
select -assert-count 4 c:dff1 c:dff3 c:dff5 c:dff7 %% t:$_DFF_??0_ %i


design -reset
read_verilog -icells <<EOT
module top(input C, R, input [1:0] D, (* init = {2'bx0, 2'b0x, 1'b1, {8{1'b0}}} *) output [12:0] Q);

(* init = 1'b1 *)
wire unused;

$_DFF_NN0_ dff0 (.C(C), .D(D[0]), .R(R), .Q(Q[0]));
$_DFF_NN1_ dff1 (.C(C), .D(D[0]), .R(R), .Q(Q[1]));
$_DFF_NP0_ dff2 (.C(C), .D(D[0]), .R(R), .Q(Q[2]));
$_DFF_NP1_ dff3 (.C(C), .D(D[0]), .R(R), .Q(Q[3]));
$_DFF_PN0_ dff4 (.C(C), .D(D[0]), .R(R), .Q(Q[4]));
$_DFF_PN1_ dff5 (.C(C), .D(D[0]), .R(R), .Q(Q[5]));
$_DFF_PP0_ dff6 (.C(C), .D(D[0]), .R(R), .Q(Q[6]));
$_DFF_PP1_ dff7 (.C(C), .D(D[0]), .R(R), .Q(Q[7]));

$adff #(.WIDTH(2), .CLK_POLARITY(1), .ARST_POLARITY(1'b0), .ARST_VALUE(2'b10)) dff8 (.CLK(C), .ARST(R), .D(D), .Q(Q[10:9]));
$adff #(.WIDTH(2), .CLK_POLARITY(0), .ARST_POLARITY(1'b1), .ARST_VALUE(2'b01)) dff9 (.CLK(C), .ARST(R), .D(D), .Q(Q[12:11]));
endmodule
EOT
equiv_opt -assert -multiclock zinit
design -load postopt

select -assert-count 0 t:$_NOT_
select -assert-count 1 w:unused a:init %i
select -assert-count 1 w:Q a:init=13'bx00x100000000 %i
select -assert-count 4 c:dff0 c:dff2 c:dff4 c:dff6 %% t:$_DFF_??0_ %i
select -assert-count 4 c:dff1 c:dff3 c:dff5 c:dff7 %% t:$_DFF_??1_ %i


design -reset
read_verilog -icells <<EOT
module top(input C, R, D, E, (* init = {24{1'b1}} *) output [23:0] Q);

$_DFFE_NN0P_ dff0 (.C(C), .D(D), .E(E), .R(R), .Q(Q[0]));
$_DFFE_NN1P_ dff1 (.C(C), .D(D), .E(E), .R(R), .Q(Q[1]));
$_DFFE_NP0P_ dff2 (.C(C), .D(D), .E(E), .R(R), .Q(Q[2]));
$_DFFE_NP1P_ dff3 (.C(C), .D(D), .E(E), .R(R), .Q(Q[3]));
$_DFFE_PN0P_ dff4 (.C(C), .D(D), .E(E), .R(R), .Q(Q[4]));
$_DFFE_PN1P_ dff5 (.C(C), .D(D), .E(E), .R(R), .Q(Q[5]));
$_DFFE_PP0P_ dff6 (.C(C), .D(D), .E(E), .R(R), .Q(Q[6]));
$_DFFE_PP1P_ dff7 (.C(C), .D(D), .E(E), .R(R), .Q(Q[7]));

$_SDFF_NN0_ dff8 (.C(C), .D(D[0]), .R(R), .Q(Q[8]));
$_SDFF_NN1_ dff9 (.C(C), .D(D[0]), .R(R), .Q(Q[9]));
$_SDFF_NP0_ dff10(.C(C), .D(D[0]), .R(R), .Q(Q[10]));
$_SDFF_NP1_ dff11(.C(C), .D(D[0]), .R(R), .Q(Q[11]));
$_SDFF_PN0_ dff12(.C(C), .D(D[0]), .R(R), .Q(Q[12]));
$_SDFF_PN1_ dff13(.C(C), .D(D[0]), .R(R), .Q(Q[13]));
$_SDFF_PP0_ dff14(.C(C), .D(D[0]), .R(R), .Q(Q[14]));
$_SDFF_PP1_ dff15(.C(C), .D(D[0]), .R(R), .Q(Q[15]));

$_SDFFE_NN0P_ dff16(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[16]));
$_SDFFE_NN1P_ dff17(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[17]));
$_SDFFE_NP0P_ dff18(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[18]));
$_SDFFE_NP1P_ dff19(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[19]));
$_SDFFE_PN0P_ dff20(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[20]));
$_SDFFE_PN1P_ dff21(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[21]));
$_SDFFE_PP0P_ dff22(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[22]));
$_SDFFE_PP1P_ dff23(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[23]));

endmodule
EOT
#equiv_opt -assert -multiclock zinit
#design -load postopt
zinit

select -assert-count 48 t:$_NOT_
select -assert-count 0 w:Q a:init %i
select -assert-count 4 c:dff0 c:dff2 c:dff4 c:dff6 %% t:$_DFFE_??1P_ %i
select -assert-count 4 c:dff1 c:dff3 c:dff5 c:dff7 %% t:$_DFFE_??0P_ %i
select -assert-count 4 c:dff8 c:dff10 c:dff12 c:dff14 %% t:$_SDFF_??1_ %i
select -assert-count 4 c:dff9 c:dff11 c:dff13 c:dff15 %% t:$_SDFF_??0_ %i
select -assert-count 4 c:dff16 c:dff18 c:dff20 c:dff22 %% t:$_SDFFE_??1P_ %i
select -assert-count 4 c:dff17 c:dff19 c:dff21 c:dff23 %% t:$_SDFFE_??0P_ %i


design -reset
read_verilog -icells <<EOT
module top(input C, R, D, E, (* init = {24{1'b0}} *) output [23:0] Q);

$_DFFE_NN0P_ dff0 (.C(C), .D(D), .E(E), .R(R), .Q(Q[0]));
$_DFFE_NN1P_ dff1 (.C(C), .D(D), .E(E), .R(R), .Q(Q[1]));
$_DFFE_NP0P_ dff2 (.C(C), .D(D), .E(E), .R(R), .Q(Q[2]));
$_DFFE_NP1P_ dff3 (.C(C), .D(D), .E(E), .R(R), .Q(Q[3]));
$_DFFE_PN0P_ dff4 (.C(C), .D(D), .E(E), .R(R), .Q(Q[4]));
$_DFFE_PN1P_ dff5 (.C(C), .D(D), .E(E), .R(R), .Q(Q[5]));
$_DFFE_PP0P_ dff6 (.C(C), .D(D), .E(E), .R(R), .Q(Q[6]));
$_DFFE_PP1P_ dff7 (.C(C), .D(D), .E(E), .R(R), .Q(Q[7]));

$_SDFF_NN0_ dff8 (.C(C), .D(D[0]), .R(R), .Q(Q[8]));
$_SDFF_NN1_ dff9 (.C(C), .D(D[0]), .R(R), .Q(Q[9]));
$_SDFF_NP0_ dff10(.C(C), .D(D[0]), .R(R), .Q(Q[10]));
$_SDFF_NP1_ dff11(.C(C), .D(D[0]), .R(R), .Q(Q[11]));
$_SDFF_PN0_ dff12(.C(C), .D(D[0]), .R(R), .Q(Q[12]));
$_SDFF_PN1_ dff13(.C(C), .D(D[0]), .R(R), .Q(Q[13]));
$_SDFF_PP0_ dff14(.C(C), .D(D[0]), .R(R), .Q(Q[14]));
$_SDFF_PP1_ dff15(.C(C), .D(D[0]), .R(R), .Q(Q[15]));

$_SDFFE_NN0P_ dff16(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[16]));
$_SDFFE_NN1P_ dff17(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[17]));
$_SDFFE_NP0P_ dff18(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[18]));
$_SDFFE_NP1P_ dff19(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[19]));
$_SDFFE_PN0P_ dff20(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[20]));
$_SDFFE_PN1P_ dff21(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[21]));
$_SDFFE_PP0P_ dff22(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[22]));
$_SDFFE_PP1P_ dff23(.C(C), .D(D[0]),.E(E),  .R(R), .Q(Q[23]));

endmodule
EOT
#equiv_opt -assert -multiclock zinit
#design -load postopt
zinit

select -assert-count 0 t:$_NOT_
select -assert-count 1 w:Q a:init=24'b0 %i
select -assert-count 4 c:dff0 c:dff2 c:dff4 c:dff6 %% t:$_DFFE_??0P_ %i
select -assert-count 4 c:dff1 c:dff3 c:dff5 c:dff7 %% t:$_DFFE_??1P_ %i
select -assert-count 4 c:dff8 c:dff10 c:dff12 c:dff14 %% t:$_SDFF_??0_ %i
select -assert-count 4 c:dff9 c:dff11 c:dff13 c:dff15 %% t:$_SDFF_??1_ %i
select -assert-count 4 c:dff16 c:dff18 c:dff20 c:dff22 %% t:$_SDFFE_??0P_ %i
select -assert-count 4 c:dff17 c:dff19 c:dff21 c:dff23 %% t:$_SDFFE_??1P_ %i