From: tklam <tklam@easylogic.hk>
Date: Sat, 13 Oct 2018 15:24:24 +0000 (+0800)
Subject: stop check_signal_in_fanout from traversing FFs
X-Git-Tag: yosys-0.9~448^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f4343b3dc7dfb1908848b21b406f13884e8c407a;p=yosys.git

stop check_signal_in_fanout from traversing FFs
---

diff --git a/passes/equiv/equiv_make.cc b/passes/equiv/equiv_make.cc
index e75482e9f..66ee28aff 100644
--- a/passes/equiv/equiv_make.cc
+++ b/passes/equiv/equiv_make.cc
@@ -423,8 +423,8 @@ struct EquivMakeWorker
 		auto driven_cells = bit2driven.at(source_bit);
 		for (auto driven_cell: driven_cells)
 		{
-			bool is_comb = comb_ct.cell_known(cell->type);
-			if (is_comb)
+			bool is_comb = comb_ct.cell_known(driven_cell->type);
+			if (!is_comb)
 				continue;
 
 			if (visited_cells.count(driven_cell) > 0)