# https://github.com/yosyshq/yosys/issues/2035
read_rtlil <<END
module \top
wire width 1 input 0 \halfbrite
wire width 2 output 1 \r_on
process $1
assign \r_on [1:0] 2'00
assign \r_on [1:0] 2'11
switch \halfbrite [0]
case 1'1
assign \r_on [1] 1'0
end
END
proc_prune
write_verilog assign_to_reg.v
design -reset
logger -expect-no-warnings
read_verilog assign_to_reg.v