From b9eae3f64bc50de29de53e333f797ad9f5008226 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Fri, 22 May 2026 13:04:12 +0200
Subject: [PATCH] rtlil: publish signorm fanout

---
 kernel/rtlil.h          | 1 +
 kernel/rtlil_bufnorm.cc | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 0ef21529a..146a552e6 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -2138,6 +2138,7 @@ public:
 	int next_timestamp();
 	std::vector<Cell *> dirty_cells(int starting_from);
 	const pool<PortBit> &fanout(SigBit bit);
+	const dict<SigBit, pool<PortBit>> &signorm_fanout() const;
 
 	template<typename T> void rewrite_sigspecs(T &functor);
 	template<typename T> void rewrite_sigspecs2(T &functor);
diff --git a/kernel/rtlil_bufnorm.cc b/kernel/rtlil_bufnorm.cc
index b84f165e3..44b8bce05 100644
--- a/kernel/rtlil_bufnorm.cc
+++ b/kernel/rtlil_bufnorm.cc
@@ -498,6 +498,11 @@ const pool<RTLIL::PortBit> &RTLIL::Module::fanout(SigBit bit) {
 	return found->second;
 }
 
+const dict<RTLIL::SigBit, pool<RTLIL::PortBit>> &RTLIL::Module::signorm_fanout() const {
+	log_assert(sig_norm_index != nullptr);
+	return sig_norm_index->fanout;
+}
+
 void RTLIL::Module::remove(RTLIL::Cell *cell)
 {
 	while (!cell->connections_.empty())