yosys/tests/arch/ice40/memory.ys

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read_verilog ../common/memory.v
hierarchy -top top
proc
memory -nomap
equiv_opt -run :prove -map +/ice40/cells_sim.v synth_ice40
memory
opt -full
miter -equiv -flatten -make_assert -make_outputs gold gate miter
sat -verify -prove-asserts -seq 5 -set-init-zero -show-inputs -show-outputs miter
design -load postopt
cd top
select -assert-count 1 t:SB_RAM40_4K
select -assert-none t:SB_RAM40_4K %% t:* %D