yosys/tests/verilog/bug2037.ys

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logger -expect-no-warnings
read_verilog <<EOT
module test ();
localparam y = 1;
always @(*)
if (y) (* foo *) ;
endmodule
EOT
select -assert-none a:* a:src %d
design -reset
logger -expect-no-warnings
read_verilog <<EOT
module test ();
localparam y = 1;
always @(*)
if (y) (* foo *) ; else (* bar *) ;
endmodule
EOT
select -assert-none a:* a:src %d
design -reset
logger -expect-no-warnings
read_verilog <<EOT
module test ();
localparam y = 1;
generate if (y) (* foo *) ; endgenerate
endmodule
EOT
select -assert-none a:*
design -reset
logger -expect-no-warnings
read_verilog <<EOT
module test ();
localparam y = 1;
generate if (y) (* foo *) ; else (* bar *); endgenerate
endmodule
EOT
select -assert-none a:*
design -reset
read_verilog <<EOT
module test ();
localparam y = 1;
reg x = 1'b0;
always @(*) begin
if (y)
(* foo *) x <= 1'b1;
else
(* bar *) x = 1'b0;
end
endmodule
EOT