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opt_expr: refactor simplification of unsigned X<onehot and X>=onehot. NFCI.

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whitequark 2019-01-02 04:31:20 +00:00
parent 9e9846a6ea
commit 4fd458290c
2 changed files with 42 additions and 31 deletions
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5
tests/opt/opt_expr_cmp.v
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@ -14,4 +14,9 @@ module top(...);
output o2_2 = 4'sb0000 <= $signed(a);
output o2_3 = $signed(a) < 4'sb0000;
output o2_4 = $signed(a) >= 4'sb0000;
output o3_1 = 4'b0100 > a;
output o3_2 = 4'b0100 <= a;
output o3_3 = a < 4'b0100;
output o3_4 = a >= 4'b0100;
endmodule