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yosys/tests/opt/opt_expr_cmp.ys
whitequark 8e53d2e0bf opt_expr: simplify any unsigned comparisons with all-0 and all-1.
Before this commit, only unsigned comparisons with all-0 would be
simplified. This commit also makes the code handling such comparisons
to be more rigorous and not abort on unexpected input.
2019-01-02 02:45:49 +00:00

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read_verilog opt_expr_cmp.v
equiv_opt -assert opt_expr -fine
design -load postopt
select -assert-count 0 t:$gt t:$ge t:$lt t:$le