From b03bc4c0fac926a33093350e0d7e97bd560b9206 Mon Sep 17 00:00:00 2001
From: Geza Lore <glore@tenstorrent.com>
Date: Sat, 13 Jun 2026 21:01:33 +0100
Subject: [PATCH] Turn on --flatten by default

---
 src/V3Options.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/V3Options.h b/src/V3Options.h
index 729c68f47..799a5d865 100644
--- a/src/V3Options.h
+++ b/src/V3Options.h
@@ -253,7 +253,7 @@ private:
     bool m_dpiHdrOnly = false;      // main switch: --dpi-hdr-only
     bool m_emitAccessors = false;   // main switch: --emit-accessors
     bool m_exe = false;             // main switch: --exe
-    bool m_flatten = false;         // main switch: --flatten
+    bool m_flatten = true;          // main switch: --flatten
     bool m_fourstate = false;       // main switch: --fourstate
     bool m_hierarchical = false;    // main switch: --hierarchical
     bool m_ignc = false;            // main switch: --ignc