From b7d7b377fd8fbc414c01b3554f82ddf2db8deeac Mon Sep 17 00:00:00 2001
From: Mike Inouye <mikeinouye@google.com>
Date: Tue, 22 Apr 2025 23:26:55 +0000
Subject: [PATCH] Detect FF functions that use parentheses.

Signed-off-by: Mike Inouye <mikeinouye@google.com>
---
 passes/techmap/dfflibmap.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/passes/techmap/dfflibmap.cc b/passes/techmap/dfflibmap.cc
index 84db7f157..ae13a6ddd 100644
--- a/passes/techmap/dfflibmap.cc
+++ b/passes/techmap/dfflibmap.cc
@@ -102,6 +102,9 @@ static bool parse_next_state(const LibertyAst *cell, const LibertyAst *attr, std
 	} else if (expr[0] == '!') {
 		data_name = expr.substr(1, expr.size()-1);
 		data_not_inverted = false;
+	} else if (expr[0] == '(' && expr[expr.size() - 1] == ')') {
+		data_name = expr.substr(1, expr.size() - 2);
+		data_not_inverted = true;
 	} else {
 		data_name = expr;
 		data_not_inverted = true;