From 4a0685aa1c80ff13da2084cd0b16620d031212c8 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Thu, 10 Apr 2025 20:12:00 +0200
Subject: [PATCH] dump: sort lhs and rhs in a connection

---
 backends/rtlil/rtlil_backend.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/backends/rtlil/rtlil_backend.cc b/backends/rtlil/rtlil_backend.cc
index 08cd7f754..1ad17d485 100644
--- a/backends/rtlil/rtlil_backend.cc
+++ b/backends/rtlil/rtlil_backend.cc
@@ -314,6 +314,11 @@ void RTLIL_BACKEND::dump_module(std::ostream &f, std::string indent, RTLIL::Modu
 		module = new_module;
 		module->sort();
 		std::sort(module->connections_.begin(), module->connections_.end());
+		for (auto& [lhs, rhs] : module->connections_) {
+			if (std::string(log_signal(lhs)) < std::string(log_signal(rhs))) {
+				std::swap(lhs, rhs);
+			}
+		}
 	}
 
 	if (print_header)