C++ (Cpp) TreeTop::setNextTreeTop Examples

Example #1

File: OMRTreeTop_inlines.hpp Project: dinogun/omr

inline void
OMR::TreeTop::unlink(bool decRefCountRecursively)
   {
   TR::TreeTop *prevTT = self()->getPrevTreeTop();
   TR::TreeTop *nextTT = self()->getNextTreeTop();

   prevTT->setNextTreeTop(nextTT);
   nextTT->setPrevTreeTop(prevTT);
   if (decRefCountRecursively)
      self()->getNode()->recursivelyDecReferenceCount();
   }

Example #2

File: LocalLiveRangeReducer.cpp Project: LinHu2016/omr

bool TR_LocalLiveRangeReduction::moveTreeBefore(TR_TreeRefInfo *treeToMove,TR_TreeRefInfo *anchor,int32_t passNumber)
   {
   TR::TreeTop *treeToMoveTT = treeToMove->getTreeTop();
   TR::TreeTop *anchorTT = anchor->getTreeTop();
   if (treeToMoveTT->getNextRealTreeTop() == anchorTT)
      {
      addDepPair(treeToMove, anchor);
      return false;
      }

   if (!performTransformation(comp(), "%sPass %d: moving tree [%p] before Tree %p\n", OPT_DETAILS, passNumber, treeToMoveTT->getNode(),anchorTT->getNode()))
      return false;

   //   printf("Moving [%p] before Tree %p\n",  treeToMoveTT->getNode(),anchorTT->getNode());


   //changing location in block
   TR::TreeTop *origPrevTree = treeToMoveTT->getPrevTreeTop();
   TR::TreeTop *origNextTree = treeToMoveTT->getNextTreeTop();
   origPrevTree->setNextTreeTop(origNextTree);
   origNextTree->setPrevTreeTop(origPrevTree);
   TR::TreeTop *prevTree = anchorTT->getPrevTreeTop();
   anchorTT->setPrevTreeTop(treeToMoveTT);
   treeToMoveTT->setNextTreeTop(anchorTT);
   treeToMoveTT->setPrevTreeTop(prevTree);
   prevTree->setNextTreeTop(treeToMoveTT);

   //UPDATE REFINFO
   //find locations of treeTops in TreeTopsRefInfo array
   //startIndex points to the currentTree that has moved
   //endIndex points to the treeTop after which we moved the tree (nextTree)

   int32_t startIndex = getIndexInArray(treeToMove);
   int32_t endIndex = getIndexInArray(anchor)-1;
   int32_t i=0;
   for ( i = startIndex+1; i<= endIndex ; i++)
      {
      TR_TreeRefInfo *currentTreeRefInfo = _treesRefInfoArray[i];
      List<TR::Node> *firstList = currentTreeRefInfo->getFirstRefNodesList();
      List<TR::Node> *midList = currentTreeRefInfo->getMidRefNodesList();
      List<TR::Node> *lastList = currentTreeRefInfo->getLastRefNodesList();
      List<TR::Node> *M_firstList = treeToMove->getFirstRefNodesList();
      List<TR::Node> *M_midList = treeToMove->getMidRefNodesList();
      List<TR::Node> *M_lastList = treeToMove->getLastRefNodesList();

      if (trace())
    	 {
    	 traceMsg(comp(),"Before move:\n");
    	 printRefInfo(treeToMove);
    	 printRefInfo(currentTreeRefInfo);
    	 }

      updateRefInfo(treeToMove->getTreeTop()->getNode(), currentTreeRefInfo, treeToMove , false);
      treeToMove->resetSyms();
      currentTreeRefInfo->resetSyms();
      populatePotentialDeps(currentTreeRefInfo,currentTreeRefInfo->getTreeTop()->getNode());
      populatePotentialDeps(treeToMove,treeToMove->getTreeTop()->getNode());

      if (trace())
    	 {
    	 traceMsg(comp(),"After move:\n");
    	 printRefInfo(treeToMove);
    	 printRefInfo(currentTreeRefInfo);
    	 traceMsg(comp(),"------------------------\n");
    	 }
      }

   TR_TreeRefInfo *temp = _treesRefInfoArray[startIndex];
   for (i = startIndex; i< endIndex ; i++)
      {
      _treesRefInfoArray[i] = _treesRefInfoArray[i+1];
      }

   _treesRefInfoArray[endIndex]=temp;

#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
   if (!(comp()->getOption(TR_EnableParanoidOptCheck) || debug("paranoidOptCheck")))
      return true;

   //verifier
   {
   TR::StackMemoryRegion stackMemoryRegion(*trMemory());

   vcount_t visitCount = comp()->getVisitCount();
   int32_t maxRefCount = 0;
   TR::TreeTop *tt;
   TR_TreeRefInfo **treesRefInfoArrayTemp = (TR_TreeRefInfo**)trMemory()->allocateStackMemory(_numTreeTops*sizeof(TR_TreeRefInfo*));
   memset(treesRefInfoArrayTemp, 0, _numTreeTops*sizeof(TR_TreeRefInfo*));
   TR_TreeRefInfo *treeRefInfoTemp;


   //collect info
   for ( int32_t i  = 0; i<_numTreeTops-1; i++)
      {
      tt =_treesRefInfoArray[i]->getTreeTop();
      treeRefInfoTemp = new (trStackMemory()) TR_TreeRefInfo(tt, trMemory());
      collectRefInfo(treeRefInfoTemp, tt->getNode(),visitCount,&maxRefCount);
      treesRefInfoArrayTemp[i] = treeRefInfoTemp;
      }

   comp()->setVisitCount(visitCount+maxRefCount);

   for ( int32_t i  = 0; i<_numTreeTops-1; i++)
      {
      if (!verifyRefInfo(treesRefInfoArrayTemp[i]->getFirstRefNodesList(),_treesRefInfoArray[i]->getFirstRefNodesList()))
    	 {
    	 printOnVerifyError(_treesRefInfoArray[i],treesRefInfoArrayTemp[i]);
    	 TR_ASSERT(0,"fail to verify firstRefNodesList for %p\n",_treesRefInfoArray[i]->getTreeTop()->getNode());
    	 }

      if (!verifyRefInfo(treesRefInfoArrayTemp[i]->getMidRefNodesList(),_treesRefInfoArray[i]->getMidRefNodesList()))
    	 {
    	 printOnVerifyError(_treesRefInfoArray[i],treesRefInfoArrayTemp[i]);
    	 TR_ASSERT(0,"fail to verify midRefNodesList for %p\n",_treesRefInfoArray[i]->getTreeTop()->getNode());
    	 }

      if (!verifyRefInfo(treesRefInfoArrayTemp[i]->getLastRefNodesList(),_treesRefInfoArray[i]->getLastRefNodesList()))
    	 {
    	 printOnVerifyError(_treesRefInfoArray[i],treesRefInfoArrayTemp[i]);
    	 TR_ASSERT(0,"fail to verify lastRefNodesList for %p\n",_treesRefInfoArray[i]->getTreeTop()->getNode());
    	 }


       }
   } // scope of the stack memory region

#endif
   return true;
   }