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#!/usr/bin/env bash
# Simple test of hierarchy -auto-top.
set -e
echo -n " TOP first - "
../../yosys -s - <<- EOY | grep "Automatically selected TOP as design top module"
read_verilog << EOV
module TOP(a, y);
input a;
output [31:0] y;
aoi12 p [31:0] (a, y);
endmodule
module aoi12(a, y);
input a;
output y;
assign y = ~a;
endmodule
EOV
hierarchy -auto-top
EOY
echo -n " TOP last - "
../../yosys -s - <<- EOY | grep "Automatically selected TOP as design top module"
read_verilog << EOV
module aoi12(a, y);
input a;
output y;
assign y = ~a;
endmodule
module TOP(a, y);
input a;
output [31:0] y;
aoi12 foo (a, y);
endmodule
EOV
hierarchy -auto-top
EOY
echo -n " no explicit top - "
../../yosys -s - <<- EOY | grep "Automatically selected noTop as design top module."
read_verilog << EOV
module aoi12(a, y);
input a;
output y;
assign y = ~a;
endmodule
module noTop(a, y);
input a;
output [31:0] y;
endmodule
EOV
hierarchy -auto-top
EOY
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