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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 `$anyseq` cell.
This commit is contained in:
Krystine Sherwin 2025-04-11 04:12:34 +12:00
parent ca57df8927
commit cf44a9124f
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1 changed files with 18 additions and 12 deletions
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30
tests/various/cutpoint_blackbox.ys
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@ -1,13 +1,14 @@
read_verilog -specify << EOT
module top(input a, b, output o);
wire c, d;
bb bb1 (.a (a), .b (b), .o (c));
wb wb1 (.a (a), .b (b), .o (d));
some_mod some_inst (.a (c), .b (d), .o (o));
wire c, d, e;
bb #(.SOME_PARAM(1)) bb1 (.a (a), .b (b), .o (c));
bb #(.SOME_PARAM(2)) bb2 (.a (a), .b (b), .o (d));
wb wb1 (.a (a), .b (b), .o (e));
some_mod some_inst (.a (c), .b (d), .c (e), .o (o));
endmodule
(* blackbox *)
module bb(input a, b, output o);
module bb #( parameter SOME_PARAM=0 ) (input a, b, output o);
assign o = a | b;
specify
(a => o) = 1;
@ -19,15 +20,20 @@ module wb(input a, b, output o);
assign o = a ^ b;
endmodule
module some_mod(input a, b, output o);
assign o = a & b;
module some_mod(input a, b, c, output o);
assign o = a & (b | c);
endmodule
EOT
select top
hierarchy -top top
select -assert-count 0 t:$anyseq
select -assert-count 2 =t:?b
cutpoint -blackbox =*
select -assert-count 2 t:$anyseq
select -assert-count 2 t:?b
select -assert-count 3 =t:?b
cutpoint -blackbox
select -assert-count 3 =t:?b
select -assert-count 2 r:SOME_PARAM
select -assert-count 1 r:SOME_PARAM=1
flatten
select -assert-count 3 t:$anyseq