From c6fa1a179aa8c79d335ba03814ea71d871c87577 Mon Sep 17 00:00:00 2001
From: gatecat <gatecat@ds0.me>
Date: Thu, 6 May 2021 12:25:32 +0100
Subject: nexus: Use new cluster API

Signed-off-by: gatecat <gatecat@ds0.me>
---
 nexus/post_place.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'nexus/post_place.cc')

diff --git a/nexus/post_place.cc b/nexus/post_place.cc
index b712aea3..b6817b57 100644
--- a/nexus/post_place.cc
+++ b/nexus/post_place.cc
@@ -32,10 +32,7 @@ struct NexusPostPlaceOpt
 
     NexusPostPlaceOpt(Context *ctx) : ctx(ctx), tmg(ctx){};
 
-    inline bool is_constrained(CellInfo *cell)
-    {
-        return cell->constr_parent != nullptr || !cell->constr_children.empty();
-    }
+    inline bool is_constrained(CellInfo *cell) { return cell->cluster != ClusterId(); }
 
     bool swap_cell_placement(CellInfo *cell, BelId new_bel)
     {
-- 
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