llvm-6502/lib/Target/SparcV9/RegAlloc/IGNode.cpp
Ruchira Sasanka 0e62aa6d14 Added code to PhyRegAlloc to mark unusable suggested regs
Added initialization to AdjList to IGNode constructor - major bug fix


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@920 91177308-0d34-0410-b5e6-96231b3b80d8
2001-10-19 21:39:31 +00:00

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#include "llvm/CodeGen/IGNode.h"
IGNode::IGNode(LiveRange *const PLR, unsigned int Ind): Index(Ind),
AdjList(),
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 );
}