yosys/tests/opt/opt_share_cat.ys

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read_verilog opt_share_cat.v
prep -flatten
opt
pmuxtree
opt_share
opt_clean

select -assert-count 2 t:$sub
select -assert-count 0 t:$add
Implement opt_share This pass identifies arithmetic operators that share an operand and whose results are used in mutually exclusive cases controlled by a multiplexer, and merges them together by multiplexing the other operands 2019-07-26 04:36:48 -05:00			`read_verilog opt_share_cat.v`
			`prep -flatten`
			`opt`
			`pmuxtree`
			`opt_share`
			`opt_clean`

			`select -assert-count 2 t:$sub`
			`select -assert-count 0 t:$add`