From befadf6d4dfb52c331230aa5bd423a0c8b55ef48 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Mon, 19 Jan 2026 12:00:18 +0100
Subject: [PATCH] consteval: describe

---
 kernel/consteval.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/consteval.h b/kernel/consteval.h
index b13c7ea5c..ca04d722f 100644
--- a/kernel/consteval.h
+++ b/kernel/consteval.h
@@ -27,6 +27,10 @@
 
 YOSYS_NAMESPACE_BEGIN
 
+/**
+ * ConstEval provides on-demand constant propagation by traversing input cones
+ * with caching
+ */
 struct ConstEval
 {
 	RTLIL::Module *module;