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cd7ac4f9c4
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 `$anyseq` cell.
40 lines
841 B
Plaintext
40 lines
841 B
Plaintext
read_verilog -specify << EOT
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module top(input a, b, output o);
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wire c, d, e;
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bb #(.SOME_PARAM(1)) bb1 (.a (a), .b (b), .o (c));
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bb #(.SOME_PARAM(2)) bb2 (.a (a), .b (b), .o (d));
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wb wb1 (.a (a), .b (b), .o (e));
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some_mod some_inst (.a (c), .b (d), .c (e), .o (o));
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endmodule
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(* blackbox *)
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module bb #( parameter SOME_PARAM=0 ) (input a, b, output o);
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assign o = a | b;
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specify
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(a => o) = 1;
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endspecify
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endmodule
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(* whitebox *)
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module wb(input a, b, output o);
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assign o = a ^ b;
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endmodule
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module some_mod(input a, b, c, output o);
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assign o = a & (b | c);
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endmodule
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EOT
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hierarchy -top top
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select -assert-count 0 t:$anyseq
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select -assert-count 3 =t:?b
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cutpoint -blackbox
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select -assert-count 3 =t:?b
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select -assert-count 2 r:SOME_PARAM
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select -assert-count 1 r:SOME_PARAM=1
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flatten
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select -assert-count 3 t:$anyseq
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