From: Andrew Zonenberg <azonenberg@drawersteak.com>
Date: Fri, 11 Aug 2017 23:47:07 +0000 (-0700)
Subject: Improved handling of constant connections in opt_rmports
X-Git-Tag: yosys-0.8~345^2~1^2~5
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1bb150c2318a16e8007b4cf76aa2a199f49f0f7e;p=yosys.git

Improved handling of constant connections in opt_rmports
---

diff --git a/passes/opt/opt_rmports.cc b/passes/opt/opt_rmports.cc
index 5522dfa8e..a7a2df866 100644
--- a/passes/opt/opt_rmports.cc
+++ b/passes/opt/opt_rmports.cc
@@ -69,6 +69,8 @@ struct OptRmportsPass : public Pass {
 			{
 				auto w1 = s1[i].wire;
 				auto w2 = s2[i].wire;
+				if( (w1 == NULL) || (w2 == NULL) )
+					continue;
 
 				//log("  conn %s, %s\n", w1->name.c_str(), w2->name.c_str());