verilator/test_regress/t/t_func_const_struct_bad.v
Todd Strader 54bc8608e3 Add stack trace when can't optimize function, bug1158.
Signed-off-by: Wilson Snyder <wsnyder@wsnyder.org>
2017-05-09 18:54:15 -04:00

40 lines
926 B
Verilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2017 by Todd Strader.
module t;
typedef struct packed {
logic [ 31 : 0 ] a;
logic [ 31 : 0 ] b;
} params_t;
localparam params_t P = '{a:5, b:1};
localparam P6 = f_add(P);
localparam P14 = f_add2(2, 3, f_add(P));
localparam P24 = f_add2(7, 8, 9);
initial begin
// Should never get here
$write("*-* All Finished *-*\n");
$finish;
end
function integer f_add(input params_t params);
f_add = params.a+params.b;
if (f_add == 15)
$fatal(2, "f_add = 15");
endfunction
// Speced ok: function called from function
function integer f_add2(input [31:0] a, input [31:0] b, input [31:0] c);
params_t params;
params = '{
a: a,
b: b
};
f_add2 = f_add(params)+c;
endfunction
endmodule