From 9f79ea44cf9834f8226788de03a49d517673746e Mon Sep 17 00:00:00 2001
From: Andrew Young <youngar17@gmail.com>
Date: Sun, 4 Aug 2024 13:11:55 -0700
Subject: [PATCH] [firtool] run CheckRecursiveInstantiation pass

---
 lib/Firtool/Firtool.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Firtool/Firtool.cpp b/lib/Firtool/Firtool.cpp
index 0bfbfc13fb75..5a49c8c4ecea 100644
--- a/lib/Firtool/Firtool.cpp
+++ b/lib/Firtool/Firtool.cpp
@@ -26,6 +26,8 @@ using namespace circt;
 
 LogicalResult firtool::populatePreprocessTransforms(mlir::PassManager &pm,
                                                     const FirtoolOptions &opt) {
+  pm.nest<firrtl::CircuitOp>().addPass(
+      firrtl::createCheckRecursiveInstantiation());
   // Legalize away "open" aggregates to hw-only versions.
   pm.nest<firrtl::CircuitOp>().addPass(firrtl::createLowerOpenAggsPass());