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https://github.com/c64scene-ar/llvm-6502.git
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Added destructors and comments.
Added correct spill candidate selection logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1493 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -1,6 +1,9 @@
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#include "llvm/CodeGen/IGNode.h"
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
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AdjList(),
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ParentLR(PLR)
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@@ -11,9 +14,11 @@ IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
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}
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void IGNode::pushOnStack() // sets on to stack and
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{ // reduce the degree of neighbors
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//-----------------------------------------------------------------------------
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// Sets this IGNode on stack and reduce the degree of neighbors
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//-----------------------------------------------------------------------------
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void IGNode::pushOnStack()
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{
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OnStack = true;
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int neighs = AdjList.size();
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@@ -25,7 +30,10 @@ void IGNode::pushOnStack() // sets on to stack and
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for(int i=0; i < neighs; i++) (AdjList[i])->decCurDegree();
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}
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//-----------------------------------------------------------------------------
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// Deletes an adjacency node. IGNodes are deleted when coalescing merges
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// two IGNodes together.
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//-----------------------------------------------------------------------------
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void IGNode::delAdjIGNode(const IGNode *const Node) {
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vector <IGNode *>::iterator It = AdjList.begin();
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