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yosys/tests/opt/opt_ff.v
Keith Rothman 25680f6a07 Fix WREDUCE on FF not fixing ARST_VALUE parameter.
Adds test case that fails without code change.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
2019-02-22 10:30:42 -08:00

22 lines
355 B
Verilog

module top(
input clk,
input rst,
input [2:0] a,
output [1:0] b
);
reg [2:0] b_reg;
initial begin
b_reg <= 3'b0;
end
assign b = b_reg[1:0];
always @(posedge clk or posedge rst) begin
if(rst) begin
b_reg <= 3'b0;
end else begin
b_reg <= a;
end
end
endmodule