mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-08-29 01:03:29 +02:00
Stephen Williams
cea237b407
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
131 lines
2.9 KiB
Verilog
131 lines
2.9 KiB
Verilog
module top;
|
|
reg pass = 1'b1;
|
|
parameter parm = 1;
|
|
|
|
/***********
|
|
* Check generate tasks.
|
|
***********/
|
|
// Only one is created.
|
|
generate
|
|
if (parm) begin: name_ti
|
|
task name_task;
|
|
$display("OK in task from scope name_ti");
|
|
endtask
|
|
end else begin: name_ti
|
|
task name_task;
|
|
begin
|
|
$display("FAILED in task from scope name_ti");
|
|
pass = 1'b0;
|
|
end
|
|
endtask
|
|
end
|
|
endgenerate
|
|
|
|
// Again only one is created.
|
|
generate
|
|
case (parm)
|
|
1: begin: name_tc
|
|
task name_task;
|
|
$display("OK in task from scope name_tc");
|
|
endtask
|
|
end
|
|
default: begin: name_tc
|
|
task name_task;
|
|
begin
|
|
$display("FAILED in task from scope name_tc");
|
|
pass = 1'b0;
|
|
end
|
|
endtask
|
|
end
|
|
endcase
|
|
endgenerate
|
|
|
|
// Two are created, but they are in a different scope.
|
|
genvar lpt;
|
|
|
|
generate
|
|
for (lpt = 0; lpt < 2; lpt = lpt + 1) begin: name_tf
|
|
task name_task;
|
|
$display("OK in task from scope name_tf[%0d]", lpt);
|
|
endtask
|
|
end
|
|
endgenerate
|
|
|
|
/***********
|
|
* Check functions.
|
|
***********/
|
|
// Only one is created.
|
|
generate
|
|
if (parm) begin: name_fi
|
|
function name_func;
|
|
input in;
|
|
name_func = ~in;
|
|
endfunction
|
|
end else begin: name_fi
|
|
function name_func;
|
|
input in;
|
|
name_func = in;
|
|
endfunction
|
|
end
|
|
endgenerate
|
|
|
|
// Again only one is created.
|
|
generate
|
|
case (parm)
|
|
1: begin: name_fc
|
|
function name_func;
|
|
input in;
|
|
name_func = ~in;
|
|
endfunction
|
|
end
|
|
default: begin: name_fc
|
|
function name_func;
|
|
input in;
|
|
name_func = in;
|
|
endfunction
|
|
end
|
|
endcase
|
|
endgenerate
|
|
|
|
// Two are created, but they are in a different scope.
|
|
genvar lpf;
|
|
|
|
generate
|
|
for (lpf = 0; lpf < 2; lpf = lpf + 1) begin: name_ff
|
|
function name_func;
|
|
input in;
|
|
name_func = (lpf % 2) ? in : ~in ;
|
|
endfunction
|
|
end
|
|
endgenerate
|
|
|
|
initial begin
|
|
name_ti.name_task;
|
|
name_tc.name_task;
|
|
name_tf[0].name_task;
|
|
name_tf[1].name_task;
|
|
|
|
if (name_fi.name_func(1'b1) !== 1'b0) begin
|
|
$display("FAILED in function from scope name_fi");
|
|
pass = 1'b0;
|
|
end else $display("OK in function from scope name_fi");
|
|
|
|
if (name_fc.name_func(1'b1) !== 1'b0) begin
|
|
$display("FAILED in function from scope name_fc");
|
|
pass = 1'b0;
|
|
end else $display("OK in function from scope name_fc");
|
|
|
|
if (name_ff[0].name_func(1'b1) !== 1'b0) begin
|
|
$display("FAILED in function from scope name_ff[0]");
|
|
pass = 1'b0;
|
|
end else $display("OK in function from scope name_ff[0]");
|
|
|
|
if (name_ff[1].name_func(1'b1) !== 1'b1) begin
|
|
$display("FAILED in function from scope name_ff[1]");
|
|
pass = 1'b0;
|
|
end else $display("OK in function from scope name_ff[1]");
|
|
|
|
if (pass) $display("PASSED");
|
|
end
|
|
endmodule
|