From 0056e1b9889ce9cdf3669e5ebc02638e5acc448e Mon Sep 17 00:00:00 2001
From: Francisco Jerez <currojerez@riseup.net>
Date: Tue, 15 Nov 2011 21:39:52 +0100
Subject: [PATCH] nv50/ir: Allow attaching two nodes when either one is already
 inside the graph.

---
 src/gallium/drivers/nv50/codegen/nv50_ir_graph.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/nv50/codegen/nv50_ir_graph.cpp b/src/gallium/drivers/nv50/codegen/nv50_ir_graph.cpp
index b128700..069dc48 100644
--- a/src/gallium/drivers/nv50/codegen/nv50_ir_graph.cpp
+++ b/src/gallium/drivers/nv50/codegen/nv50_ir_graph.cpp
@@ -116,11 +116,11 @@ void Graph::Node::attach(Node *node, Edge::Type kind)
    ++this->outCount;
    ++node->inCount;
 
-   assert(this->graph);
-   if (!node->graph) {
-      node->graph = this->graph;
-      ++node->graph->size;
-   }
+   assert(graph || node->graph);
+   if (!node->graph)
+      graph->insert(node);
+   if (!graph)
+      node->graph->insert(this);
 
    if (kind == Edge::UNKNOWN)
       graph->classifyEdges();
-- 
2.7.4