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			88 lines
		
	
	
	
		
			975 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
	
		
			975 B
		
	
	
	
		
			Verilog
		
	
	
	
	
	
| module ifdef_1_top(o1, o2, o3, o4);
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| 
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| `define FAIL input wire not_a_port;
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| 
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| `ifdef COND_1
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| 	`FAIL
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| `elsif COND_2
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| 	`FAIL
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| `elsif COND_3
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| 	`FAIL
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| `elsif COND_4
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| 	`FAIL
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| `else
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| 
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| 	`define COND_4
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| 	output wire o4;
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| 
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| 	`ifdef COND_1
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| 		`FAIL
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| 	`elsif COND_2
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| 		`FAIL
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| 	`elsif COND_3
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| 		`FAIL
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| 	`elsif COND_4
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| 
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| 		`define COND_3
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| 		output wire o3;
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| 
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| 		`ifdef COND_1
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| 			`FAIL
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| 		`elsif COND_2
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| 			`FAIL
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| 		`elsif COND_3
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| 
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| 			`define COND_2
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| 			output wire o2;
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| 
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| 			`ifdef COND_1
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| 				`FAIL
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| 			`elsif COND_2
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| 
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| 				`define COND_1
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| 				output wire o1;
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| 
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| 				`ifdef COND_1
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| 
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| 					`ifdef COND_1
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| 					`elsif COND_2
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| 						`FAIL
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| 					`elsif COND_3
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| 						`FAIL
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| 					`elsif COND_4
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| 						`FAIL
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| 					`else
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| 						`FAIL
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| 					`endif
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| 
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| 				`elsif COND_2
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| 					`FAIL
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| 				`elsif COND_3
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| 					`FAIL
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| 				`elsif COND_4
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| 					`FAIL
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| 				`else
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| 					`FAIL
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| 				`endif
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| 
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| 			`elsif COND_3
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| 				`FAIL
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| 			`elsif COND_4
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| 				`FAIL
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| 			`else
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| 				`FAIL
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| 			`endif
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| 
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| 		`elsif COND_4
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| 			`FAIL
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| 		`else
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| 			`FAIL
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| 		`endif
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| 
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| 	`else
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| 		`FAIL
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| 	`endif
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| 
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| `endif
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| 
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| endmodule
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