From a30e394ad3b7fbbb084211705a19ddde25984f24 Mon Sep 17 00:00:00 2001
From: hungchun <robert890619@gmail.com>
Date: Mon, 6 Apr 2026 22:52:59 +0800
Subject: [PATCH] add the -auto-module command option for yosys

---
 src/yosys/yosysMgr.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/yosys/yosysMgr.cpp b/src/yosys/yosysMgr.cpp
index c15383f1..b8ee6283 100644
--- a/src/yosys/yosysMgr.cpp
+++ b/src/yosys/yosysMgr.cpp
@@ -160,6 +160,8 @@ void YosysMgr::readVerilog(const string& fileName) {
     // const string command = "read_verilog -sv " + fileName;
     const string command = fmt::format("read_verilog -sv {0}", fileName);
     Yosys::run_pass(command);
+    const string auto_top = "hierarchy -auto-top";
+    Yosys::run_pass(auto_top);
     // saveDesign(designName);
     saveDesign(fileName);
     assignSignal();