From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 12 Jun 2019 22:55:02 +0000 (-0700)
Subject: Remove unnecessary undriven_bits.insert
X-Git-Tag: working-ls180~1237^2~140
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8374eb1cb4dcb99b2125543a3d5f9f6adbdd6b7d;p=yosys.git

Remove unnecessary undriven_bits.insert
---

diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index 3a4b353e2..fcf9a7bf1 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -154,11 +154,8 @@ struct XAigerWriter
 				}
 
 				if (wire->port_output || keep) {
-					if (bit != wirebit) {
+					if (bit != wirebit)
 						alias_map[wirebit] = bit;
-						if (!bit.wire)
-							undriven_bits.insert(wirebit);
-					}
 					output_bits.insert(wirebit);
 				}
 			}