52 lines
1.1 KiB
Systemverilog
Executable File
52 lines
1.1 KiB
Systemverilog
Executable File
// DESCRIPTION: Verilator: Test for unsupported multiple global constraints
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// This file ONLY is placed under the Creative Commons Public Domain, for
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// any use, without warranty, 2025 by PlanV GmbH.
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// SPDX-License-Identifier: CC0-1.0
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class Inner;
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rand int m_val;
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constraint c_inner { m_val inside {[1:10]}; }
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function new(); m_val = 0; endfunction
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endclass
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class Mid;
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rand Inner m_inner;
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rand int m_x;
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// Mid has global constraint on m_inner.m_val
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constraint c_mid_global {
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m_x > m_inner.m_val;
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m_x inside {[5:15]};
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}
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function new();
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m_inner = new();
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m_x = 0;
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endfunction
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endclass
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class Top;
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rand Mid m_mid;
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rand int m_y;
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// Top also has global constraint on m_mid.m_inner.m_val
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constraint c_top_global {
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m_y < m_mid.m_inner.m_val;
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m_y inside {[1:5]};
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}
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function new();
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m_mid = new();
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m_y = 0;
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endfunction
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endclass
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module t;
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Top top;
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/* verilator lint_off WIDTHTRUNC */
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initial begin
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top = new();
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if (!top.randomize()) $stop;
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$write("*-* All Finished *-*\n");
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$finish;
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end
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/* verilator lint_off WIDTHTRUNC */
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endmodule
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