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handle TF decl shadowing within packed array conversion

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Zachary Snow
2019-04-17 20:05:55 -04:00
parent 8d77856b1e
commit 96e0aff7f4
5 changed files with 242 additions and 95 deletions
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test/basic/packed_array_shadow.sv
+114
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module top;
function parity;
input [3:0] arr;
parity = arr[2] ^ arr[2] ^ arr[1] ^ arr[0];
endfunction
task loop;
input [3:0] arr;
begin
arr = 4'b0000;
repeat (2**4) begin
$display("%04b -> %d", arr, parity(arr));
arr += 1;
end
end
endtask
task dump;
begin : dump_block
integer i;
for (i = 0; i < 7; i += 1) begin
$display("arr[%1d] = %04b", i, arr[i]);
end
end
endtask
task reinterpret;
input [3:0][6:0] arr;
begin : reinterpret_block
integer i;
for (i = 0; i < 4; i += 1) begin
$display("arr'[%1d] = %07b", i, arr[i]);
end
end
endtask
logic [6:0][3:0] arr;
initial arr = 28'h9fba7d;
integer i;
initial begin
for (i = 0; i < 7; i += 1) begin
loop(arr[i]);
dump();
reinterpret(arr);
end
end
logic [1:0] foolA;
initial begin
foolA = 2'b10;
foolAer(4'b1001);
$display("initalA: $bits(foolA): ", $bits(foolA ));
$display("initalA: $bits(foolA[0]): ", $bits(foolA[0]));
$display("initalA: foolA[0]: ", foolA[0]);
$display("initalA: foolA[1]: ", foolA[1]);
end
task foolAer;
input [1:0][1:0] foolA;
begin
$display("foolAer: $bits(foolA): ", $bits(foolA ));
$display("foolAer: $bits(foolA[0]): ", $bits(foolA[0] ));
$display("foolAer: $bits(foolA[0][0]): ", $bits(foolA[0][0]));
$display("foolAer: foolA[0][0]: ", foolA[0][0]);
$display("foolAer: foolA[0][1]: ", foolA[0][1]);
$display("foolAer: foolA[1][0]: ", foolA[1][0]);
$display("foolAer: foolA[1][1]: ", foolA[1][1]);
end
endtask
task foolBer;
input [1:0][1:0] foolB;
begin
$display("foolBer: $bits(foolB): ", $bits(foolB ));
$display("foolBer: $bits(foolB[0]): ", $bits(foolB[0] ));
$display("foolBer: $bits(foolB[0][0]): ", $bits(foolB[0][0]));
$display("foolBer: foolB[0][0]: ", foolB[0][0]);
$display("foolBer: foolB[0][1]: ", foolB[0][1]);
$display("foolBer: foolB[1][0]: ", foolB[1][0]);
$display("foolBer: foolB[1][1]: ", foolB[1][1]);
end
endtask
logic [1:0] foolB;
initial begin
foolB = 2'b10;
foolBer(4'b1001);
$display("initalB: $bits(foolB): ", $bits(foolB ));
$display("initalB: $bits(foolB[0]): ", $bits(foolB[0]));
$display("initalB: foolB[0]: ", foolB[0]);
$display("initalB: foolB[1]: ", foolB[1]);
end
task magic;
begin
begin : magic_block
logic [1:0][1:0] magic_arr;
magic_arr = 4'b1001;
$display("$bits(magic_arr): ", $bits(magic_arr ));
$display("$bits(magic_arr[0]): ", $bits(magic_arr[0] ));
$display("$bits(magic_arr[0][0]): ", $bits(magic_arr[0][0]));
$display("magic_arr[0][0]: ", magic_arr[0][0]);
$display("magic_arr[0][1]: ", magic_arr[0][1]);
$display("magic_arr[1][0]: ", magic_arr[1][0]);
$display("magic_arr[1][1]: ", magic_arr[1][1]);
end
end
endtask
initial magic();
endmodule