verilator/test_regress/t/t_recursive_module_bug_2.v

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719 B
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of either the GNU Lesser General Public License Version 3
// or the Perl Artistic License Version 2.0.
// SPDX-FileCopyrightText: 2022 Geza Lore
// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
module a #(parameter N) ();
generate if (N > 1) begin
// With N == 5, this will first expand N == 2, then expand N == 3,
// which instantiates N == 2. This requires fixing up topological order
// in V3Param.
a #(.N( N/2)) sub_lo();
a #(.N(N-N/2)) sub_hi();
end
endgenerate
endmodule
module top();
a #(.N(5)) root ();
endmodule