From 96c526d1ba57a465f970347ad30109c7d4c6e823 Mon Sep 17 00:00:00 2001
From: "N. Engelhardt" <nak@yosyshq.com>
Date: Wed, 13 Nov 2024 10:21:44 +0100
Subject: [PATCH] Print a note about finding attribute (* top *) in hierarchy

---
 passes/hierarchy/hierarchy.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/passes/hierarchy/hierarchy.cc b/passes/hierarchy/hierarchy.cc
index a8d7d5a53ef..8372c0339c1 100644
--- a/passes/hierarchy/hierarchy.cc
+++ b/passes/hierarchy/hierarchy.cc
@@ -1003,8 +1003,10 @@ struct HierarchyPass : public Pass {
 
 		if (top_mod == nullptr)
 			for (auto mod : design->modules())
-				if (mod->get_bool_attribute(ID::top))
+				if (mod->get_bool_attribute(ID::top)) {
+					log("Attribute `top' found on module `%s'. Setting top module to %s.\n", log_id(mod), log_id(mod));
 					top_mod = mod;
+				}
 
 		if (top_mod == nullptr)
 		{