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-rw-r--r--lib/CodeGen/RegAlloc/IGNode.cpp62
1 files changed, 0 insertions, 62 deletions
diff --git a/lib/CodeGen/RegAlloc/IGNode.cpp b/lib/CodeGen/RegAlloc/IGNode.cpp
deleted file mode 100644
index a76fdeaa03..0000000000
--- a/lib/CodeGen/RegAlloc/IGNode.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-//===-- IGNode.cpp --------------------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements an Interference graph node for coloring-based register
-// allocation.
-//
-//===----------------------------------------------------------------------===//
-
-#include "IGNode.h"
-#include <algorithm>
-#include <iostream>
-
-namespace llvm {
-
-//-----------------------------------------------------------------------------
-// Sets this IGNode on stack and reduce the degree of neighbors
-//-----------------------------------------------------------------------------
-
-void IGNode::pushOnStack() {
- OnStack = true;
- int neighs = AdjList.size();
-
- if (neighs < 0) {
- std::cerr << "\nAdj List size = " << neighs;
- assert(0 && "Invalid adj list size");
- }
-
- for (int i=0; i < neighs; i++)
- AdjList[i]->decCurDegree();
-}
-
-//-----------------------------------------------------------------------------
-// Deletes an adjacency node. IGNodes are deleted when coalescing merges
-// two IGNodes together.
-//-----------------------------------------------------------------------------
-
-void IGNode::delAdjIGNode(const IGNode *Node) {
- std::vector<IGNode *>::iterator It=find(AdjList.begin(), AdjList.end(), Node);
- assert(It != AdjList.end() && "The node must be there!");
- AdjList.erase(It);
-}
-
-//-----------------------------------------------------------------------------
-// Get the number of unique neighbors if these two nodes are merged
-//-----------------------------------------------------------------------------
-
-unsigned
-IGNode::getCombinedDegree(const IGNode* otherNode) const {
- std::vector<IGNode*> nbrs(AdjList);
- nbrs.insert(nbrs.end(), otherNode->AdjList.begin(), otherNode->AdjList.end());
- sort(nbrs.begin(), nbrs.end());
- std::vector<IGNode*>::iterator new_end = unique(nbrs.begin(), nbrs.end());
- return new_end - nbrs.begin();
-}
-
-} // End llvm namespace