From 808568eafcf66b8b3585380dd2c98e431c1892f3 Mon Sep 17 00:00:00 2001
From: Ruchira Sasanka <sasanka@students.uiuc.edu>
Date: Fri, 14 Sep 2001 21:18:34 +0000
Subject: *** empty log message ***

llvm-svn: 580
---
 llvm/lib/CodeGen/RegAlloc/IGNode.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 llvm/lib/CodeGen/RegAlloc/IGNode.cpp

(limited to 'llvm/lib/CodeGen/RegAlloc/IGNode.cpp')

diff --git a/llvm/lib/CodeGen/RegAlloc/IGNode.cpp b/llvm/lib/CodeGen/RegAlloc/IGNode.cpp
new file mode 100644
index 00000000000..0e8a124cd3d
--- /dev/null
+++ b/llvm/lib/CodeGen/RegAlloc/IGNode.cpp
@@ -0,0 +1,31 @@
+#include "llvm/CodeGen/IGNode.h"
+
+
+IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
+                                                        ParentLR(PLR)
+{
+  OnStack = false;
+  CurDegree = -1 ;
+  ParentLR->setUserIGNode( this );
+}
+
+
+
+void IGNode::pushOnStack()            // sets on to stack and 
+{                                     // reduce the degree of neighbors  
+  OnStack = true; 
+  unsigned int neighs = AdjList.size();
+
+  for(unsigned int i=0; i < neighs; i++)  (AdjList[i])->decCurDegree();
+}
+ 
+
+void IGNode::delAdjIGNode(const IGNode *const Node) {
+  vector <IGNode *>::iterator It = AdjList.begin();
+    
+  // find Node
+  for( ; It != AdjList.end() && (*It != Node); It++ ) ;
+  assert( It != AdjList.end() );      // the node must be there
+  
+  AdjList.erase( It );
+}
-- 
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