From a61c88f12215eb8bfa1db62aec7c2c95bb3cc702 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Sun, 11 Dec 2016 13:48:18 +0100
Subject: [PATCH] Added $anyconst support to AIGER back-end

---
 backends/aiger/aiger.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backends/aiger/aiger.cc b/backends/aiger/aiger.cc
index aefe5cf43..ab1fba6f1 100644
--- a/backends/aiger/aiger.cc
+++ b/backends/aiger/aiger.cc
@@ -163,6 +163,13 @@ struct AigerWriter
 				continue;
 			}
 
+			if (cell->type == "$anyconst")
+			{
+				for (auto bit : sigmap(cell->getPort("\\Y")))
+					ff_map[bit] = bit;
+				continue;
+			}
+
 			log_error("Unsupported cell type: %s (%s)\n", log_id(cell->type), log_id(cell));
 		}