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cutpoint: Test -blackbox with parameter

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Modify `cutpoint_blackbox.ys` to check that parameters on blackbox modules are maintained after the cutpoint.
Also adjusts the test to check that each instance gets the `$anyseq` cell.
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Krystine Sherwin 2025-01-17 12:15:13 +13:00
parent 8e9c96518c
commit cd7ac4f9c4
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1 changed files with 18 additions and 12 deletions
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30
tests/various/cutpoint_blackbox.ys
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@ -1,13 +1,14 @@
read_verilog -specify << EOT read_verilog -specify << EOT
module top(input a, b, output o); module top(input a, b, output o);
wire c, d; wire c, d, e;
bb bb1 (.a (a), .b (b), .o (c)); bb #(.SOME_PARAM(1)) bb1 (.a (a), .b (b), .o (c));
wb wb1 (.a (a), .b (b), .o (d)); bb #(.SOME_PARAM(2)) bb2 (.a (a), .b (b), .o (d));
some_mod some_inst (.a (c), .b (d), .o (o)); wb wb1 (.a (a), .b (b), .o (e));
some_mod some_inst (.a (c), .b (d), .c (e), .o (o));
endmodule endmodule
(* blackbox *) (* blackbox *)
module bb(input a, b, output o); module bb #( parameter SOME_PARAM=0 ) (input a, b, output o);
assign o = a | b; assign o = a | b;
specify specify
(a => o) = 1; (a => o) = 1;
@ -19,15 +20,20 @@ module wb(input a, b, output o);
assign o = a ^ b; assign o = a ^ b;
endmodule endmodule
module some_mod(input a, b, output o); module some_mod(input a, b, c, output o);
assign o = a & b; assign o = a & (b | c);
endmodule endmodule
EOT EOT
select top hierarchy -top top
select -assert-count 0 t:$anyseq select -assert-count 0 t:$anyseq
select -assert-count 2 =t:?b select -assert-count 3 =t:?b
cutpoint -blackbox =* cutpoint -blackbox
select -assert-count 2 t:$anyseq
select -assert-count 2 t:?b select -assert-count 3 =t:?b
select -assert-count 2 r:SOME_PARAM
select -assert-count 1 r:SOME_PARAM=1
flatten
select -assert-count 3 t:$anyseq