yosys/tests/opt/bug3117.ys

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read_verilog << EOT
module test (...);
input [7:1] wa1;
input [7:1] wa2;
input [7:0] ra;
output [7:0] rd;
input clk;
input we1, we2;
input [15:0] wd1, wd2;
reg [7:0] mem [0:255];
assign rd = mem[ra];
always @(posedge clk) begin
if (we1) begin
mem[{wa1, 1'b0}] <= wd1[7:0];
mem[{wa1, 1'b1}] <= wd1[15:8];
end else begin
mem[{wa2, 1'b0}] <= wd2[7:0];
mem[{wa2, 1'b1}] <= wd2[15:8];
end
end
endmodule
EOT
proc
opt
memory_share
select -assert-count 1 t:$memwr_v2