Tests: Remove unused clk input

test_regress/t/t_array_compare.v

@@ -6,11 +6,7 @@
 
 // bug1071
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    reg [3:0] array_1 [2:0];
    reg [3:0] array_2 [2:0];

test_regress/t/t_array_index_increment.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2020 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    string test_string = "abcd";
 

test_regress/t/t_array_type_methods.v

@@ -8,11 +8,7 @@
 `define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d:  got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
 `define checks(gotv,expv) do if ((gotv) != (expv)) begin $write("%%Error: %s:%0d:  got='%s' exp='%s'\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    logic [3:0] foo [1:0];
    logic [3:0] fooe [1:0];

test_regress/t/t_bitsel_const_bad.out

@@ -1,5 +1,5 @@
-%Error: t/t_bitsel_const_bad.v:21:16: Illegal bit or array select; type does not have a bit range, or bad dimension: data type is 'logic'
+%Error: t/t_bitsel_const_bad.v:16:16: Illegal bit or array select; type does not have a bit range, or bad dimension: data type is 'logic'
                                     : ... note: In instance 't'
-   21 |    assign a = b[0];   
+   16 |    assign a = b[0];   
       |                ^
 %Error: Exiting due to

test_regress/t/t_bitsel_const_bad.v

@@ -6,12 +6,7 @@
 // without warranty, 2012 by Jeremy Bennett.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    // Note that if we declare "wire [0:0] b", this works just fine.
    wire  a;

test_regress/t/t_bitsel_struct.v

@@ -9,12 +9,8 @@
 // without warranty, 2012 by Jie Xu.
 // SPDX-License-Identifier: CC0-1.0
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
-   clk
-   );
 
-   input clk;
    typedef struct packed {
        logic [1:0][15:0] channel;
        logic others;

test_regress/t/t_bitsel_struct3.v

@@ -12,12 +12,8 @@
 `define stop $stop
 `define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d:  got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0);
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
-   clk
-   );
 
-   input clk;
    typedef struct packed {
        logic [15:0] channel;
        logic [15:0] others;

test_regress/t/t_bitsel_wire_array_bad.out

@@ -1,5 +1,5 @@
-%Error: t/t_bitsel_wire_array_bad.v:21:16: Illegal assignment of constant to unpacked array
+%Error: t/t_bitsel_wire_array_bad.v:16:16: Illegal assignment of constant to unpacked array
                                          : ... note: In instance 't'
-   21 |    assign b = a[0];   
+   16 |    assign b = a[0];   
       |                ^
 %Error: Exiting due to

test_regress/t/t_bitsel_wire_array_bad.v

@@ -6,12 +6,7 @@
 // without warranty, 2012 by Jeremy Bennett.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    // a and b are arrays of length 1.
    wire  a[0:0];  // Array of nets

test_regress/t/t_class_static.v

@@ -30,12 +30,7 @@ class Cls;
    endfunction
 endclass
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    Cls a = new;
    Cls b = new;

test_regress/t/t_class_static_member.v

@@ -25,12 +25,7 @@ class Cls;
 
 endclass
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    Cls a = new;
    Cls b = new;

test_regress/t/t_class_static_member_pkg.v

@@ -27,12 +27,7 @@ class Cls;
 endclass
 endpackage
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    Pkg::Cls a = new;
    Pkg::Cls b = new;

test_regress/t/t_class_super_bad.out

@@ -1,4 +1,4 @@
-%Error: t/t_class_super_bad.v:15:12: 'super' used outside class (IEEE 1800-2023 8.15)
+%Error: t/t_class_super_bad.v:12:12: 'super' used outside class (IEEE 1800-2023 8.15)
-   15 |       super.addr = 2;
+   12 |       super.addr = 2;
       |            ^
 %Error: Exiting due to

test_regress/t/t_class_super_bad.v

@@ -5,11 +5,8 @@
 // SPDX-License-Identifier: CC0-1.0
 //
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
+
-   clk
-   );
-   input clk;
    bit [3:0] addr;
    initial begin
       super.addr = 2;

test_regress/t/t_class_uses_this.v

@@ -41,11 +41,8 @@ class wrapped_int;
    endfunction
 endclass
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
+
-   clk
-   );
-   input clk;
    Cls bar;
    Cls baz;
    wrapped_int i1, i2;

test_regress/t/t_class_uses_this_bad.out

@@ -1,4 +1,4 @@
-%Error: t/t_class_uses_this_bad.v:15:12: 'this' used outside class (IEEE 1800-2023 8.11)
+%Error: t/t_class_uses_this_bad.v:11:12: 'this' used outside class (IEEE 1800-2023 8.11)
-   15 |        this.addr = 2;
+   11 |        this.addr = 2;
       |            ^
 %Error: Exiting due to

test_regress/t/t_class_uses_this_bad.v

@@ -5,11 +5,7 @@
 // SPDX-License-Identifier: CC0-1.0
 //
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
    bit [3:0] addr;
    initial begin
        this.addr = 2;

test_regress/t/t_class_vparam.v

@@ -22,11 +22,7 @@ class arg_class_t;
    int ifield;
 endclass
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    vclass vir;
    paramed_class_t#(arg_class_t) argu;

test_regress/t/t_enum_size.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2019 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    // verilator lint_off WIDTH
    typedef enum logic[2:0] {P=0, W=1'b1, E, N, S} Dirs;

test_regress/t/t_flag_parameter_pkg.v

@@ -9,12 +9,7 @@ package pack_a;
 endpackage : pack_a
 
 //module t;
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    parameter PARAM_A = 0;
 

test_regress/t/t_func_no_lifetime_bad.out

@@ -1,19 +1,19 @@
-%Warning-IMPLICITSTATIC: t/t_func_no_lifetime_bad.v:29:17: Function/task's lifetime implicitly set to static
+%Warning-IMPLICITSTATIC: t/t_func_no_lifetime_bad.v:26:17: Function/task's lifetime implicitly set to static
                                                          : ... Suggest use 'function automatic' or 'function static'
-   29 |    function int f_implicit_static();
+   26 |    function int f_implicit_static();
       |                 ^~~~~~~~~~~~~~~~~
-                         t/t_func_no_lifetime_bad.v:30:11: ... Location of implicit static variable
+                         t/t_func_no_lifetime_bad.v:27:11: ... Location of implicit static variable
-   30 |       int cnt = 0;
+   27 |       int cnt = 0;
       |           ^~~
 ... Suggest use 'function automatic' or 'function static'
                          ... For warning description see https://verilator.org/warn/IMPLICITSTATIC?v=latest
                          ... Use "/* verilator lint_off IMPLICITSTATIC */" and lint_on around source to disable this message.
-%Warning-IMPLICITSTATIC: t/t_func_no_lifetime_bad.v:34:9: Function/task's lifetime implicitly set to static
+%Warning-IMPLICITSTATIC: t/t_func_no_lifetime_bad.v:31:9: Function/task's lifetime implicitly set to static
                                                         : ... Suggest use 'function automatic' or 'function static'
-   34 |    task t_implicit_static();
+   31 |    task t_implicit_static();
       |         ^~~~~~~~~~~~~~~~~
-                         t/t_func_no_lifetime_bad.v:35:11: ... Location of implicit static variable
+                         t/t_func_no_lifetime_bad.v:32:11: ... Location of implicit static variable
-   35 |       int cnt = 0;
+   32 |       int cnt = 0;
       |           ^~~
 ... Suggest use 'function automatic' or 'function static'
 %Warning-IMPLICITSTATIC: t/t_func_no_lifetime_bad.v:9:8: Variable's lifetime implicitly set to static

test_regress/t/t_func_no_lifetime_bad.v

@@ -21,10 +21,7 @@ task t_dunit_static_ok(input int in_ok = 1);
    $display("%d", ++cnt_ok);
 endtask
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
 
    function int f_implicit_static();
       int cnt = 0;
@@ -42,8 +39,6 @@ module t (/*AUTOARG*/
       return ++cnt;
    endfunction
 
-   input clk;
-
    int   a, b;
    initial begin
       a = f_dunit_static();

test_regress/t/t_func_no_parentheses_bad.out

@@ -1,4 +1,4 @@
-%Error: t/t_func_no_parentheses_bad.v:21:11: Found definition of 'func' as a FUNC but expected a variable
+%Error: t/t_func_no_parentheses_bad.v:16:11: Found definition of 'func' as a FUNC but expected a variable
-   21 |       a = func;
+   16 |       a = func;
       |           ^~~~
 %Error: Exiting due to

test_regress/t/t_func_no_parentheses_bad.v

@@ -9,12 +9,7 @@ function static int func();
    return ++cnt;
 endfunction
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    int   a;
    initial begin

test_regress/t/t_initarray_nonarray.v

@@ -13,11 +13,7 @@ typedef logic [7:0]  mask_t [7:0];
 
 parameter mask_t IMP_MASK = '{8'hE1, 8'h03, 8'h07, 8'h3F, 8'h33, 8'hC3, 8'hC3, 8'h37};
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    mask_t a;
    //logic [7:0] a[7:0];

test_regress/t/t_inst_array_bad.out

@@ -1,5 +1,5 @@
-%Error: t/t_inst_array_bad.v:19:28: Input port connection 'onebit' as part of a module instance array requires 1 or 8 bits, but connection's VARREF 'onebitbad' generates 9 bits. (IEEE 1800-2023 23.3.3)
+%Error: t/t_inst_array_bad.v:14:28: Input port connection 'onebit' as part of a module instance array requires 1 or 8 bits, but connection's VARREF 'onebitbad' generates 9 bits. (IEEE 1800-2023 23.3.3)
                                   : ... note: In instance 't'
-   19 |    sub sub [7:0] (allbits, onebitbad, bitout);
+   14 |    sub sub [7:0] (allbits, onebitbad, bitout);
       |                            ^~~~~~~~~
 %Error: Exiting due to

test_regress/t/t_inst_array_bad.v

@@ -4,12 +4,7 @@
 // any use, without warranty, 2005 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    wire [7:0] bitout;
    reg  [7:0] allbits;

test_regress/t/t_inst_recurse2_bad.out

@@ -1,6 +1,6 @@
-%Error-UNSUPPORTED: t/t_inst_recurse2_bad.v:18:8: Unsupported: Identically recursive module (module instantiates itself, without changing parameters): 'looped'
+%Error-UNSUPPORTED: t/t_inst_recurse2_bad.v:13:8: Unsupported: Identically recursive module (module instantiates itself, without changing parameters): 'looped'
                                                 : ... note: In instance 't.looped.looped.looped'
-   18 | module looped ( );
+   13 | module looped ( );
       |        ^~~~~~
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
 %Error: Exiting due to

test_regress/t/t_inst_recurse2_bad.v

@@ -4,12 +4,7 @@
 // any use, without warranty, 2005 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    looped looped ();
 

test_regress/t/t_inst_recurse_bad.out

@@ -1,6 +1,6 @@
-%Error-UNSUPPORTED: t/t_inst_recurse_bad.v:18:8: Unsupported: Recursive multiple modules (module instantiates something leading back to itself): 'looped'
+%Error-UNSUPPORTED: t/t_inst_recurse_bad.v:13:8: Unsupported: Recursive multiple modules (module instantiates something leading back to itself): 'looped'
                                                : ... note: self-recursion (module instantiating itself directly) is supported.
-   18 | module looped ( );
+   13 | module looped ( );
       |        ^~~~~~
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
 %Error: Exiting due to

test_regress/t/t_inst_recurse_bad.v

@@ -4,12 +4,7 @@
 // any use, without warranty, 2005 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    looped looped ();
 

test_regress/t/t_interface_mismodport_bad.out

@@ -1,5 +1,5 @@
-%Error: t/t_interface_mismodport_bad.v:36:12: Can't find definition of 'bad' in dotted signal: 'isub.bad'
+%Error: t/t_interface_mismodport_bad.v:32:12: Can't find definition of 'bad' in dotted signal: 'isub.bad'
-   36 |       isub.bad = i_value;   
+   32 |       isub.bad = i_value;   
       |            ^~~
         ... Known scopes under 'bad': <no instances found>
 %Error: Exiting due to

test_regress/t/t_interface_mismodport_bad.v

@@ -10,12 +10,8 @@ interface ifc;
    modport out_modport (output ok);
 endinterface
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
 
-   input clk;
    integer cyc=1;
 
    ifc itop();

test_regress/t/t_interface_parent_scope_bad.v

@@ -17,12 +17,7 @@ module Baz();
    Bar bar();
 endmodule
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    Baz baz();
 

test_regress/t/t_lint_block_redecl_bad.out

@@ -1,7 +1,7 @@
-%Error: t/t_lint_block_redecl_bad.v:21:34: Duplicate declaration of block: 'COMB'
+%Error: t/t_lint_block_redecl_bad.v:17:34: Duplicate declaration of block: 'COMB'
-   21 |       for(i=0; i<9; i++ ) begin: COMB
+   17 |       for(i=0; i<9; i++ ) begin: COMB
       |                                  ^~~~
-        t/t_lint_block_redecl_bad.v:18:35: ... Location of original declaration
+        t/t_lint_block_redecl_bad.v:14:35: ... Location of original declaration
-   18 |       for(i=0; i<10; i++ ) begin: COMB
+   14 |       for(i=0; i<10; i++ ) begin: COMB
       |                                   ^~~~
 %Error: Exiting due to

test_regress/t/t_lint_block_redecl_bad.v

@@ -6,11 +6,7 @@
 
 //bug485, but see t_gen_forif.v for an OK example.
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    always_comb begin
       integer i;

test_regress/t/t_math_countbits_bad.out

@@ -1,5 +1,5 @@
-%Error-UNSUPPORTED: t/t_math_countbits_bad.v:14:54: Unsupported: $countbits with more than 3 control fields
+%Error-UNSUPPORTED: t/t_math_countbits_bad.v:10:54: Unsupported: $countbits with more than 3 control fields
-   14 |    assign count = $countbits(32'h123456, '0, '1, 'x, 'z);
+   10 |    assign count = $countbits(32'h123456, '0, '1, 'x, 'z);
       |                                                      ^~
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
 %Error: Exiting due to

test_regress/t/t_math_countbits_bad.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2020 Yossi Nivin.
 // SPDX-License-Identifier: CC0-1.0
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    integer count;
    assign count = $countbits(32'h123456, '0, '1, 'x, 'z);

test_regress/t/t_math_divw.v

@@ -4,12 +4,7 @@
 // any use, without warranty, 2004 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    // verilator lint_off WIDTH
 

test_regress/t/t_math_sign_extend.v

@@ -7,12 +7,7 @@
 // without warranty, 2015 by Mike Thyer.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
-
 
    localparam [ 0:0] one1_lp = 1;
    localparam [ 1:0] one2_lp = 1;

test_regress/t/t_mod_interface_array3.out

@@ -1,8 +1,8 @@
-%Error-UNSUPPORTED: t/t_mod_interface_array3.v:26:20: Unsupported: Multidimensional instances/interfaces.
+%Error-UNSUPPORTED: t/t_mod_interface_array3.v:22:20: Unsupported: Multidimensional instances/interfaces.
-   26 |    a_if iface [2:0][1:0];
+   22 |    a_if iface [2:0][1:0];
       |                    ^
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
-%Error-UNSUPPORTED: t/t_mod_interface_array3.v:28:18: Unsupported: Multidimensional instances/interfaces.
+%Error-UNSUPPORTED: t/t_mod_interface_array3.v:24:18: Unsupported: Multidimensional instances/interfaces.
-   28 |    sub i_sub[2:0][1:0] (.s(str));
+   24 |    sub i_sub[2:0][1:0] (.s(str));
       |                  ^
 %Error: Exiting due to

test_regress/t/t_mod_interface_array3.v

@@ -15,11 +15,7 @@ module sub (output string s);
    initial s = $sformatf("%m");
 endmodule
 
-module t
+module t;
-  (
-   clk
-   );
-   input clk;
 
    string str [2:0][1:0];
 

test_regress/t/t_package_dimport.v

@@ -38,10 +38,7 @@ module sub();
 
 endmodule
 
-module t(/*AUTOARG*/
+module t(/*AUTOARG*/);
-   // Inputs
-   clk
-   );
 
    import defs::*;
 
@@ -51,8 +48,6 @@ module t(/*AUTOARG*/
    localparam MAX_EXPONENT         = log2(MAX_COUNT);
    localparam EXPONENT_WIDTH       = ceil_log2(MAX_EXPONENT + 1);
 
-   input                           clk;
-
    generate
       if (WHICH == 1)
         begin : which_true

test_regress/t/t_package_export.v

@@ -50,11 +50,7 @@ package pkg31;
    import pkg30::*;
 endpackage
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    reg [pkg11::PARAM1 : 0] bus11;
    reg [pkg11::PARAM2 : 0] bus12;

test_regress/t/t_package_export_bad.out

@@ -1,28 +1,28 @@
 %Error: t/t_package_export.v:45:17: Export object not found: 'pkg1::BAD_DOES_NOT_EXIST'
    45 |    export pkg1::BAD_DOES_NOT_EXIST;
       |                 ^~~~~~~~~~~~~~~~~~
+%Error: t/t_package_export.v:56:16: Can't find definition of scope/variable/func: 'PARAM2'
+                                  : ... Suggested alternative: 'PARAM1'
+   56 |    reg [pkg11::PARAM2 : 0] bus12;
+      |                ^~~~~~
+%Error: t/t_package_export.v:57:16: Can't find definition of scope/variable/func: 'PARAM3'
+                                  : ... Suggested alternative: 'PARAM1'
+   57 |    reg [pkg11::PARAM3 : 0] bus13;
+      |                ^~~~~~
 %Error: t/t_package_export.v:60:16: Can't find definition of scope/variable/func: 'PARAM2'
                                   : ... Suggested alternative: 'PARAM1'
-   60 |    reg [pkg11::PARAM2 : 0] bus12;
+   60 |    reg [pkg21::PARAM2 : 0] bus22;
       |                ^~~~~~
 %Error: t/t_package_export.v:61:16: Can't find definition of scope/variable/func: 'PARAM3'
                                   : ... Suggested alternative: 'PARAM1'
-   61 |    reg [pkg11::PARAM3 : 0] bus13;
+   61 |    reg [pkg21::PARAM3 : 0] bus23;
       |                ^~~~~~
 %Error: t/t_package_export.v:64:16: Can't find definition of scope/variable/func: 'PARAM2'
                                   : ... Suggested alternative: 'PARAM1'
-   64 |    reg [pkg21::PARAM2 : 0] bus22;
+   64 |    reg [pkg31::PARAM2 : 0] bus32;
       |                ^~~~~~
 %Error: t/t_package_export.v:65:16: Can't find definition of scope/variable/func: 'PARAM3'
                                   : ... Suggested alternative: 'PARAM1'
-   65 |    reg [pkg21::PARAM3 : 0] bus23;
+   65 |    reg [pkg31::PARAM3 : 0] bus33;
-      |                ^~~~~~
-%Error: t/t_package_export.v:68:16: Can't find definition of scope/variable/func: 'PARAM2'
-                                  : ... Suggested alternative: 'PARAM1'
-   68 |    reg [pkg31::PARAM2 : 0] bus32;
-      |                ^~~~~~
-%Error: t/t_package_export.v:69:16: Can't find definition of scope/variable/func: 'PARAM3'
-                                  : ... Suggested alternative: 'PARAM1'
-   69 |    reg [pkg31::PARAM3 : 0] bus33;
       |                ^~~~~~
 %Error: Exiting due to

test_regress/t/t_package_twodeep.v

@@ -17,11 +17,7 @@ endpackage // pkg1
 
 module t
   import pkg1::*;   // Test SV 2012 import format
-  (/*AUTOARG*/
+  (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    reg [PARAM1:0] bus1;
 

test_regress/t/t_packed_concat.v

@@ -4,12 +4,7 @@
 // without warranty, 2019 by Driss Hafdi
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    typedef logic [15:0] count_t;
    typedef bit [31:0]   bit_int_t;

test_regress/t/t_packed_concat_bad.out

@@ -1,15 +1,15 @@
-%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:17:47: Unsized numbers/parameters not allowed in replications.
+%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:12:47: Unsized numbers/parameters not allowed in replications.
                                                    : ... note: In instance 't'
-   17 |    localparam bit_int_t [1:0] count_bits = {2{$bits(count_t)}};
+   12 |    localparam bit_int_t [1:0] count_bits = {2{$bits(count_t)}};
       |                                               ^~~~~
                       ... For warning description see https://verilator.org/warn/WIDTHCONCAT?v=latest
                       ... Use "/* verilator lint_off WIDTHCONCAT */" and lint_on around source to disable this message.
-%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:18:46: Unsized numbers/parameters not allowed in concatenations.
+%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:13:46: Unsized numbers/parameters not allowed in concatenations.
                                                    : ... note: In instance 't'
-   18 |    localparam bit_int_t [1:0] count_bitsc = {$bits(count_t), $bits(count_t)};
+   13 |    localparam bit_int_t [1:0] count_bitsc = {$bits(count_t), $bits(count_t)};
       |                                              ^~~~~
-%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:18:60: Unsized numbers/parameters not allowed in replications.
+%Warning-WIDTHCONCAT: t/t_packed_concat_bad.v:13:60: Unsized numbers/parameters not allowed in replications.
                                                    : ... note: In instance 't'
-   18 |    localparam bit_int_t [1:0] count_bitsc = {$bits(count_t), $bits(count_t)};
+   13 |    localparam bit_int_t [1:0] count_bitsc = {$bits(count_t), $bits(count_t)};
       |                                                            ^
 %Error: Exiting due to

test_regress/t/t_packed_concat_bad.v

@@ -4,12 +4,7 @@
 // without warranty, 2019 by Driss Hafdi
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    typedef logic [15:0] count_t;
    typedef bit [31:0]   bit_int_t;

test_regress/t/t_param_public.v

@@ -6,11 +6,7 @@
 
 //bug505
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    parameter TOP_PARAM /*verilator public*/ = 20;
 

test_regress/t/t_param_while.v

@@ -6,11 +6,7 @@
 
 //bug505
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    parameter  WIDTH = 33;
    localparam MAX_WIDTH = 11;

test_regress/t/t_param_width_loc_bad.out

@@ -1,6 +1,6 @@
-%Warning-WIDTHTRUNC: t/t_param_width_loc_bad.v:25:21: Operator VAR 'param' expects 1 bits on the Initial value, but Initial value's CONST '32'h0' generates 32 bits.
+%Warning-WIDTHTRUNC: t/t_param_width_loc_bad.v:20:21: Operator VAR 'param' expects 1 bits on the Initial value, but Initial value's CONST '32'h0' generates 32 bits.
                                                     : ... note: In instance 't.test_i'
-   25 |     parameter logic param = 1'b0
+   20 |     parameter logic param = 1'b0
       |                     ^~~~~
                      ... For warning description see https://verilator.org/warn/WIDTHTRUNC?v=latest
                      ... Use "/* verilator lint_off WIDTHTRUNC */" and lint_on around source to disable this message.

test_regress/t/t_param_width_loc_bad.v

@@ -4,12 +4,7 @@
 // without warranty, 2019 by Driss Hafdi.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    // bug1624
    test #(.param(32'd0)) test_i();

test_regress/t/t_preproc_kwd.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2007 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    v95 v95 ();
    v01nc v01nc ();

test_regress/t/t_select_index2.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2013 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    reg  [7:0] x;
    wire [3:0] en;

test_regress/t/t_select_little_pack.v

@@ -4,11 +4,7 @@
 // any use, without warranty, 2009 by Wilson Snyder.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    // No ascending range warning here
    reg [7:0] pack [3:0];

test_regress/t/t_stream_integer_type.v

@@ -15,11 +15,7 @@
 // any use, without warranty, 2020 by Victor Besyakov.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    logic [31:0] packed_data_32;
    logic [31:0] packed_data_32_ref;

test_regress/t/t_timing_strobe.v

@@ -4,11 +4,8 @@
 // any use, without warranty, 2022 by Antmicro Ltd.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
+
-   clk
-   );
-   input clk;
    event e1;
    event e2;
    int v = 0;

test_regress/t/t_unpacked_concat.v

@@ -4,12 +4,7 @@
 // without warranty, 2023 by Yutetsu TAKATSUKASA.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    typedef int AI3[1:3];
    AI3 A3;

test_regress/t/t_unpacked_concat_bad.out

@@ -1,6 +1,6 @@
-%Error-UNSUPPORTED: t/t_unpacked_concat_bad.v:17:46: Unsupported: Non-1 replication to form 'bit[31:0]$[1:0]' data type
+%Error-UNSUPPORTED: t/t_unpacked_concat_bad.v:12:46: Unsupported: Non-1 replication to form 'bit[31:0]$[1:0]' data type
                                                    : ... note: In instance 't'
-   17 |    localparam bit_int_t count_bits [1:0] = {2{$bits(count_t)}};
+   12 |    localparam bit_int_t count_bits [1:0] = {2{$bits(count_t)}};
       |                                              ^
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
 %Error: Exiting due to

test_regress/t/t_unpacked_concat_bad.v

@@ -4,12 +4,7 @@
 // without warranty, 2019 by Driss Hafdi.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    typedef logic [15:0] count_t;
    typedef bit [31:0]   bit_int_t;

test_regress/t/t_unpacked_concat_bad2.out

@@ -1,13 +1,13 @@
-%Error: t/t_unpacked_concat_bad2.v:25:15: Array initialization has too many elements. 2 elements are expected, but at least 5 elements exist.
+%Error: t/t_unpacked_concat_bad2.v:20:15: Array initialization has too many elements. 2 elements are expected, but at least 5 elements exist.
-   25 |       s1 = {s0, s2};
+   20 |       s1 = {s0, s2};
       |               ^
-%Error: t/t_unpacked_concat_bad2.v:26:23: Array initialization has too many elements. 4 elements are expected, but at least 5 elements exist.
+%Error: t/t_unpacked_concat_bad2.v:21:23: Array initialization has too many elements. 4 elements are expected, but at least 5 elements exist.
-   26 |       s2 = {s1, s0, s0, s0};
+   21 |       s2 = {s1, s0, s0, s0};
       |                       ^
-%Error: t/t_unpacked_concat_bad2.v:28:17: Item is incompatible with the array type.
+%Error: t/t_unpacked_concat_bad2.v:23:17: Item is incompatible with the array type.
-   28 |       s2 = {s0, s3};
+   23 |       s2 = {s0, s3};
       |                 ^~
-%Error: t/t_unpacked_concat_bad2.v:30:19: Item is incompatible with the array type.
+%Error: t/t_unpacked_concat_bad2.v:25:19: Item is incompatible with the array type.
-   30 |       A9_logic = {A3, 4, 5, A3, 6};
+   25 |       A9_logic = {A3, 4, 5, A3, 6};
       |                   ^~
 %Error: Exiting due to

test_regress/t/t_unpacked_concat_bad2.v

@@ -4,12 +4,7 @@
 // without warranty, 2023 by Yutetsu TAKATSUKASA.
 // SPDX-License-Identifier: CC0-1.0
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-
-   input clk;
 
    logic [7:0] s0;
    logic [7:0] s1[1:2];

test_regress/t/t_vams_basic.v

@@ -6,11 +6,7 @@
 
 `begin_keywords "VAMS-2.3"
 
-module t (/*AUTOARG*/
+module t (/*AUTOARG*/);
-   // Inputs
-   clk
-   );
-   input clk;
 
    task check (integer line, real got, real expec);
       real delta;