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|
// // verilator_coverage annotation
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2024 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
class cls;
rand int x;
endclass
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
integer cyc;
initial cyc=1;
logic [63:32] cyc2;
always_comb cyc2 = cyc;
integer some_int;
integer other_int;
logic some_bool;
wire t1 = cyc[0];
wire t2 = cyc[1];
wire t3 = cyc[2];
wire t4 = cyc[3];
localparam bit ONE = 1'b1;
localparam bit ZERO = 1'b0;
function automatic bit invert(bit x);
000015 return ~x;
+000012 point: comment=(x==0) => 1 hier=top.t
+000015 point: comment=(x==1) => 0 hier=top.t
endfunction
function automatic bit and_oper(bit a, bit b);
%000005 return a & b;
-000004 point: comment=(a==0) => 0 hier=top.t
-000002 point: comment=(a==1 && b==1) => 1 hier=top.t
-000005 point: comment=(b==0) => 0 hier=top.t
endfunction
localparam int num_intfs = 4;
intf the_intfs [num_intfs-1:0] ();
genvar intf_i;
for (intf_i = 0; intf_i < num_intfs; intf_i++) begin
always_comb the_intfs[intf_i].t = cyc[intf_i];
end
always @ (posedge clk) begin
cyc <= cyc + 1;
%000004 if ((~cyc[0] && cyc[1]) || (~cyc[2] && cyc[3])) $write("");
-000002 point: comment=(cyc[0]==0 && cyc[1]==1) => 1 hier=top.t
-000002 point: comment=(cyc[0]==1 && cyc[2]==1) => 0 hier=top.t
-000004 point: comment=(cyc[0]==1 && cyc[3]==0) => 0 hier=top.t
-000002 point: comment=(cyc[1]==0 && cyc[2]==1) => 0 hier=top.t
-000003 point: comment=(cyc[1]==0 && cyc[3]==0) => 0 hier=top.t
-000002 point: comment=(cyc[2]==0 && cyc[3]==1) => 1 hier=top.t
%000004 if ((~cyc2[32] && cyc2[33]) || (~cyc2[34] && cyc2[35])) $write("");
-000002 point: comment=(cyc2[32]==0 && cyc2[33]==1) => 1 hier=top.t
-000002 point: comment=(cyc2[32]==1 && cyc2[34]==1) => 0 hier=top.t
-000004 point: comment=(cyc2[32]==1 && cyc2[35]==0) => 0 hier=top.t
-000002 point: comment=(cyc2[33]==0 && cyc2[34]==1) => 0 hier=top.t
-000003 point: comment=(cyc2[33]==0 && cyc2[35]==0) => 0 hier=top.t
-000002 point: comment=(cyc2[34]==0 && cyc2[35]==1) => 1 hier=top.t
%000004 if ((~the_intfs[0].t && the_intfs[1].t) || (~the_intfs[2].t && the_intfs[3].t)) $write("");
-000002 point: comment=(the_intfs[0].t==0 && the_intfs[1].t==1) => 1 hier=top.t
-000002 point: comment=(the_intfs[0].t==1 && the_intfs[2].t==1) => 0 hier=top.t
-000004 point: comment=(the_intfs[0].t==1 && the_intfs[3].t==0) => 0 hier=top.t
-000002 point: comment=(the_intfs[1].t==0 && the_intfs[2].t==1) => 0 hier=top.t
-000003 point: comment=(the_intfs[1].t==0 && the_intfs[3].t==0) => 0 hier=top.t
-000002 point: comment=(the_intfs[2].t==0 && the_intfs[3].t==1) => 1 hier=top.t
%000004 if ((~t1 && t2) || (~t3 && t4)) $write("");
-000002 point: comment=(t1==0 && t2==1) => 1 hier=top.t
-000002 point: comment=(t1==1 && t3==1) => 0 hier=top.t
-000004 point: comment=(t1==1 && t4==0) => 0 hier=top.t
-000002 point: comment=(t2==0 && t3==1) => 0 hier=top.t
-000003 point: comment=(t2==0 && t4==0) => 0 hier=top.t
-000002 point: comment=(t3==0 && t4==1) => 1 hier=top.t
%000005 if (t3 && (t1 == t2)) $write("");
-000005 point: comment=((t1 == t2)==0) => 0 hier=top.t
-000005 point: comment=(t3==0) => 0 hier=top.t
-000002 point: comment=(t3==1 && (t1 == t2)==1) => 1 hier=top.t
%000005 if (123 == (124 - 32'(t1 || t2))) $write("");
-000002 point: comment=(t1==0 && t2==0) => 0 hier=top.t
-000005 point: comment=(t1==1) => 1 hier=top.t
-000004 point: comment=(t2==1) => 1 hier=top.t
%000004 some_int <= (t2 || t3) ? 345 : 567;
-000003 point: comment=(t2==0 && t3==0) => 0 hier=top.t
-000004 point: comment=(t2==1) => 1 hier=top.t
-000004 point: comment=(t3==1) => 1 hier=top.t
%000005 some_bool <= t1 && t2;
-000004 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000005 if (t1 & t2) $write("");
-000004 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000004 if ((!t1 && t2) | (~t3 && t4)) $write("");
-000002 point: comment=(t1==0 && t2==1) => 1 hier=top.t
-000002 point: comment=(t1==1 && t3==1) => 0 hier=top.t
-000004 point: comment=(t1==1 && t4==0) => 0 hier=top.t
-000002 point: comment=(t2==0 && t3==1) => 0 hier=top.t
-000003 point: comment=(t2==0 && t4==0) => 0 hier=top.t
-000002 point: comment=(t3==0 && t4==1) => 1 hier=top.t
%000003 if (t1 ^ t2) $write("");
-000002 point: comment=(t1==0 && t2==0) => 0 hier=top.t
-000002 point: comment=(t1==0 && t2==1) => 1 hier=top.t
-000003 point: comment=(t1==1 && t2==0) => 1 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 0 hier=top.t
%000005 if (~(t1 & t2)) $write("");
-000004 point: comment=(t1==0) => 1 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 0 hier=top.t
-000005 point: comment=(t2==0) => 1 hier=top.t
%000004 if (t1 -> t2) $write("");
-000004 point: comment=(t1==0) => 1 hier=top.t
-000003 point: comment=(t1==1 && t2==0) => 0 hier=top.t
-000004 point: comment=(t2==1) => 1 hier=top.t
%000003 if (t1 <-> t2) $write("");
-000002 point: comment=(t1==0 && t2==0) => 1 hier=top.t
-000002 point: comment=(t1==0 && t2==1) => 0 hier=top.t
-000003 point: comment=(t1==1 && t2==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 1 hier=top.t
%000005 if (&cyc[2:0]) $write("");
-000004 point: comment=(cyc[2:0][0]==0) => 0 hier=top.t
-000001 point: comment=(cyc[2:0][0]==1 && cyc[2:0][1]==1 && cyc[2:0][2]==1) => 1 hier=top.t
-000005 point: comment=(cyc[2:0][1]==0) => 0 hier=top.t
-000005 point: comment=(cyc[2:0][2]==0) => 0 hier=top.t
%000007 if (&cyc[3:2]) $write("");
-000005 point: comment=(cyc[3:2][0]==0) => 0 hier=top.t
-000000 point: comment=(cyc[3:2][0]==1 && cyc[3:2][1]==1) => 1 hier=top.t
-000007 point: comment=(cyc[3:2][1]==0) => 0 hier=top.t
%000005 if (|cyc[2:0]) $write("");
-000001 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==0 && cyc[2:0][2]==0) => 0 hier=top.t
-000005 point: comment=(cyc[2:0][0]==1) => 1 hier=top.t
-000004 point: comment=(cyc[2:0][1]==1) => 1 hier=top.t
-000004 point: comment=(cyc[2:0][2]==1) => 1 hier=top.t
%000002 if (^cyc[2:0]) $write("");
-000001 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==0 && cyc[2:0][2]==0) => 0 hier=top.t
-000001 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==0 && cyc[2:0][2]==1) => 1 hier=top.t
-000001 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==1 && cyc[2:0][2]==0) => 1 hier=top.t
-000001 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==1 && cyc[2:0][2]==1) => 0 hier=top.t
-000002 point: comment=(cyc[2:0][0]==1 && cyc[2:0][1]==0 && cyc[2:0][2]==0) => 1 hier=top.t
-000001 point: comment=(cyc[2:0][0]==1 && cyc[2:0][1]==0 && cyc[2:0][2]==1) => 0 hier=top.t
-000001 point: comment=(cyc[2:0][0]==1 && cyc[2:0][1]==1 && cyc[2:0][2]==0) => 0 hier=top.t
-000001 point: comment=(cyc[2:0][0]==1 && cyc[2:0][1]==1 && cyc[2:0][2]==1) => 1 hier=top.t
%000005 if (|cyc[2:0] || cyc[3]) $write("");
-000000 point: comment=(cyc[2:0][0]==0 && cyc[2:0][1]==0 && cyc[2:0][2]==0 && cyc[3]==0) => 0 hier=top.t
-000005 point: comment=(cyc[2:0][0]==1) => 1 hier=top.t
-000004 point: comment=(cyc[2:0][1]==1) => 1 hier=top.t
-000004 point: comment=(cyc[2:0][2]==1) => 1 hier=top.t
-000002 point: comment=(cyc[3]==1) => 1 hier=top.t
%000005 if (t1 & t2 & 1'b1) $write("");
-000000 point: comment=(1'h1==0) => 0 hier=top.t
-000004 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1 && 1'h1==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000009 if (t1 & t2 & 1'b0) $write("");
-000009 point: comment=(1'h0==0) => 0 hier=top.t
-000004 point: comment=(t1==0) => 0 hier=top.t
-000000 point: comment=(t1==1 && t2==1 && 1'h0==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000005 if (t1 & t2 & ONE) $write("");
-000000 point: comment=(ONE==0) => 0 hier=top.t
-000004 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1 && ONE==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000009 if (t1 & t2 & ZERO) $write("");
-000009 point: comment=(ZERO==0) => 0 hier=top.t
-000004 point: comment=(t1==0) => 0 hier=top.t
-000000 point: comment=(t1==1 && t2==1 && ZERO==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000005 if (t1 && t2) begin
-000004 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
$write("");
%000003 end else if (t1 || t2) begin
-000002 point: comment=(t1==0 && t2==0) => 0 hier=top.t
-000003 point: comment=(t1==1) => 1 hier=top.t
-000002 point: comment=(t2==1) => 1 hier=top.t
$write("");
end
%000005 if (invert(t1) && t2) $write("");
-000005 point: comment=(invert(t1)==0) => 0 hier=top.t
-000002 point: comment=(invert(t1)==1 && t2==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
if (and_oper(t1, t2)) $write("");
%000005 if (t2 && t3) begin
-000005 point: comment=(t2==0) => 0 hier=top.t
-000002 point: comment=(t2==1 && t3==1) => 1 hier=top.t
-000005 point: comment=(t3==0) => 0 hier=top.t
%000001 if (t1 && t2) $write("");
-000001 point: comment=(t1==0) => 0 hier=top.t
-000001 point: comment=(t1==1 && t2==1) => 1 hier=top.t
-000000 point: comment=(t2==0) => 0 hier=top.t
end
if (0 == 1) begin
for (int loop_var = 0; loop_var < 1; loop_var++) begin
%000000 if (cyc[loop_var] && t2) $write("");
-000000 point: comment=(cyc[loop_var[4:0]+:1]]==0) => 0 hier=top.t
-000000 point: comment=(cyc[loop_var[4:0]+:1]]==1 && t2==1) => 1 hier=top.t
-000000 point: comment=(t2==0) => 0 hier=top.t
end
end
// stop at the first layer even if there's more to find
%000007 if ((cyc[3+32'(t1 && t2)+:2] == cyc[5+32'(t3 || t4)+:2]) || cyc[31]) $write("");
-000002 point: comment=((cyc[(32'sh3 + (t1 && t2))[4:0]+:2]] == cyc[(32'sh5 + (t3 || t4))[4:0]+:2]])==0 && cyc[31]==0) => 0 hier=top.t
-000007 point: comment=((cyc[(32'sh3 + (t1 && t2))[4:0]+:2]] == cyc[(32'sh5 + (t3 || t4))[4:0]+:2]])==1) => 1 hier=top.t
-000000 point: comment=(cyc[31]==1) => 1 hier=top.t
// impossible branches and redundant terms
%000005 if ((t1 && t2) && ~(t1 && t3) && (t1 || t4)) $write("");
-000003 point: comment=(t1==0 && t4==0) => 0 hier=top.t
-000004 point: comment=(t1==0) => 0 hier=top.t
-000000 point: comment=(t1==1 && t2==1 && t3==0 && t4==1) => 1 hier=top.t
-000001 point: comment=(t1==1 && t2==1 && t3==0) => 1 hier=top.t
-000002 point: comment=(t1==1 && t3==1) => 0 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
%000005 if ((cyc[0] && cyc[1]) && ~(cyc[0] && cyc[2]) && (cyc[0] || cyc[3])) $write("");
-000003 point: comment=(cyc[0]==0 && cyc[3]==0) => 0 hier=top.t
-000004 point: comment=(cyc[0]==0) => 0 hier=top.t
-000000 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[2]==0 && cyc[3]==1) => 1 hier=top.t
-000001 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[2]==0) => 1 hier=top.t
-000002 point: comment=(cyc[0]==1 && cyc[2]==1) => 0 hier=top.t
-000005 point: comment=(cyc[1]==0) => 0 hier=top.t
// demonstrate current limitations of term matching scheme
%000005 if ((cyc[0] && cyc[1]) && ~(cyc[1-1] && cyc[2]) && (cyc[2-2] || cyc[3])) $write("");
-000002 point: comment=(cyc[(32'sh1 - 32'sh1)[4:0]+:1]]==1 && cyc[2]==1) => 0 hier=top.t
-000003 point: comment=(cyc[(32'sh2 - 32'sh2)[4:0]+:1]]==0 && cyc[3]==0) => 0 hier=top.t
-000004 point: comment=(cyc[0]==0) => 0 hier=top.t
-000000 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[(32'sh1 - 32'sh1)[4:0]+:1]]==0 && cyc[(32'sh2 - 32'sh2)[4:0]+:1]]==1) => 1 hier=top.t
-000000 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[(32'sh1 - 32'sh1)[4:0]+:1]]==0 && cyc[3]==1) => 1 hier=top.t
-000001 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[2]==0 && cyc[(32'sh2 - 32'sh2)[4:0]+:1]]==1) => 1 hier=top.t
-000000 point: comment=(cyc[0]==1 && cyc[1]==1 && cyc[2]==0 && cyc[3]==1) => 1 hier=top.t
-000005 point: comment=(cyc[1]==0) => 0 hier=top.t
//verilator coverage_off
if (t1 && t2) $write("");
//verilator coverage_on
if ((~t1 && t2)
%000004 ||
-000002 point: comment=(t1==0 && t2==1) => 1 hier=top.t
-000002 point: comment=(t1==1 && t3==1) => 0 hier=top.t
-000004 point: comment=(t1==1 && t4==0) => 0 hier=top.t
-000002 point: comment=(t2==0 && t3==1) => 0 hier=top.t
-000003 point: comment=(t2==0 && t4==0) => 0 hier=top.t
-000002 point: comment=(t3==0 && t4==1) => 1 hier=top.t
(~t3 && t4)) $write("");
// intentionally testing wonkified expression terms
if (
cyc[
0
%000005 ] &
-000004 point: comment=(cyc[0]==0) => 0 hier=top.t
-000002 point: comment=(cyc[0]==1 && cyc[1]==1) => 1 hier=top.t
-000005 point: comment=(cyc[1]==0) => 0 hier=top.t
cyc
[1]) $write("");
// for now each ternary condition is considered in isolation
%000005 other_int <= t1 ? t2 ? 1 : 2 : 3;
-000004 point: comment=(t1==0) => 0 hier=top.t
-000005 point: comment=(t1==1) => 1 hier=top.t
// no expression coverage for multi-bit expressions
if ((cyc[1:0] & cyc[3:2]) == 2'b11) $write("");
// truth table is too large
%000001 if (^cyc[6:0]) $write("");
-000000 point: comment=(cyc[6:0][0]==0 && cyc[6:0][1]==0 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==0 && cyc[6:0][1]==0 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==0 && cyc[6:0][1]==0 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==0 && cyc[6:0][1]==0 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==0 && cyc[6:0][1]==0 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
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-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==0 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000001 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==0 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000001 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==0 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==0 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==0) => 1 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==0 && cyc[6:0][6]==1) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==0) => 0 hier=top.t
-000000 point: comment=(cyc[6:0][0]==1 && cyc[6:0][1]==1 && cyc[6:0][2]==1 && cyc[6:0][3]==1 && cyc[6:0][4]==1 && cyc[6:0][5]==1 && cyc[6:0][6]==1) => 1 hier=top.t
// this one is too big even for t_cover_expr_max
if (^cyc) $write("");
if (cyc==9) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
always_comb begin
%000005 if (t1 && t2) $write("");
-000005 point: comment=(t1==0) => 0 hier=top.t
-000002 point: comment=(t1==1 && t2==1) => 1 hier=top.t
-000005 point: comment=(t2==0) => 0 hier=top.t
end
logic ta, tb, tc;
initial begin
cls obj = new;
cls null_obj = null;
int q[5];
int qv[$];
q = '{1, 2, 2, 4, 3};
// lambas not handled
// NB: there is a bug w/ tracing find_first (maybe lambdas in general?)
// tracing_off does not work around the bug
qv = q.find_first with (item[0] & item[1]);
ta = '1;
tb = '0;
tc = '0;
%000001 while (ta || tb || tc) begin
-000001 point: comment=(ta==0 && tb==0 && tc==0) => 0 hier=top.t
-000000 point: comment=(ta==1) => 1 hier=top.t
-000000 point: comment=(tb==1) => 1 hier=top.t
-000000 point: comment=(tc==1) => 1 hier=top.t
tc = tb;
tb = ta;
ta = '0;
end
if (!bit'(obj.randomize() with {x < 100;})) $write("");
if (null_obj != null && null_obj.x == 5) $write("");
end
sub the_sub_1 (.p(t1), .q(t2));
sub the_sub_2 (.p(t3), .q(t4));
// TODO -- non-process expressions
sub the_sub_3 (.p(t1 ? t2 : t3), .q(t4));
// TODO
// pragma for expr coverage off / on
// investigate cover point sorting in annotated source
// consider reporting don't care terms
//
// Branches which are statically impossible to reach are still reported.
// E.g.
// -000000 point: comment=(t1=1 && t2=1 && 1'h0=1) => 1 hier=top.t
// These could potentially be pruned, but they currently follow suit for
// what branch coverage does. Perhaps a switch should be added to not
// count statically impossible things.
endmodule
module sub (
input p,
input q
);
always_comb begin
~000019 if (p && q) $write("");
+000017 point: comment=(p==0) => 0 hier=top.t.the_sub_*
-000002 point: comment=(p==1 && q==1) => 1 hier=top.t.the_sub_*
+000019 point: comment=(q==0) => 0 hier=top.t.the_sub_*
end
endmodule
interface intf();
logic t;
endinterface
|
