From 4eb820a7ec351016a5e0450df2298ce8d1f1e2c6 Mon Sep 17 00:00:00 2001
From: Akash Levy <akash@silimate.com>
Date: Thu, 31 Oct 2024 16:36:17 -0700
Subject: [PATCH] Update opt_balance_tree to separate the splitfanout

---
 passes/opt/opt_balance_tree.cc | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/passes/opt/opt_balance_tree.cc b/passes/opt/opt_balance_tree.cc
index 4791bae16..1f902a2b0 100644
--- a/passes/opt/opt_balance_tree.cc
+++ b/passes/opt/opt_balance_tree.cc
@@ -308,9 +308,6 @@ struct OptBalanceTreePass : public Pass {
 		log("This pass converts cascaded chains of $and/$or/$xor/$xnor/$add/$mul cells into\n");
 		log("trees of cells to improve timing.\n");
 		log("\n");
-		log("    -splitfanout\n");
-		log("        run splitfanout pass first\n");
-		log("\n");
 	}
 	void execute(std::vector<std::string> args, RTLIL::Design *design) override {
 		bool splitfanout = false;
@@ -328,12 +325,6 @@ struct OptBalanceTreePass : public Pass {
 		}
 		extra_args(args, argidx, design);
 
-		// Run splitfanout pass first
-		if (splitfanout) {
-			// Pass::call(design, "splitfanout -limit 512 t:$and t:$or t:$xor t:$xnor t:$add t:$mul");
-			Pass::call(design, "splitfanout -limit 512 t:$add t:$mul");
-		}
-
 		// Count of all cells that were packed
 		dict<IdString, int> cell_count;
 		const vector<IdString> cell_types = {ID($and), ID($or), ID($xor), ID($xnor), ID($add), ID($mul)};