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With --stats, we will print DFG pattern combinations, one per line, as S-expressions to new stat files, together with their frequency, to aid discovery of new peephole patterns.
21 lines
653 B
Perl
Executable File
21 lines
653 B
Perl
Executable File
#!/usr/bin/env perl
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if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
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# DESCRIPTION: Verilator: Verilog Test driver/expect definition
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#
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# Copyright 2022 by Geza Lore. This program is free software; you
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# can redistribute it and/or modify it under the terms of either the GNU
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# Lesser General Public License Version 3 or the Perl Artistic License
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# Version 2.0.
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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scenarios(vlt => 1);
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compile(
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verilator_flags2 => ["--stats"],
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);
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file_grep($Self->{stats}, qr/Optimizations, DFG pre inline Ast2Dfg, non-representable \(impure\)\s+(\d+)/i, 1);
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ok(1);
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1;
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