From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 14 Feb 2020 21:26:00 +0000 (-0800)
Subject: abc9_ops: demote lack of box timing info to warning
X-Git-Tag: working-ls180~780^2~18
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=683c5ce9409b578df518df829b76777ab69cf87b;p=yosys.git

abc9_ops: demote lack of box timing info to warning
---

diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index dad39828a..fc2f52157 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -669,8 +669,10 @@ void prep_box(RTLIL::Design *design, bool dff_mode)
 		ss << std::endl;
 
 		auto &t = timing.setup_module(module).comb;
-		if (t.empty())
-			log_error("(* abc9_box *) module '%s' has no timing information.\n", log_id(module));
+		if (t.empty()) {
+			log_warning("(* abc9_box *) module '%s' has no timing (and thus no connectivity) information.\n", log_id(module));
+			continue;
+		}
 
 		for (const auto &o : outputs) {
 			first = true;