491     BlockT *curBlk = *iterBlk;  in prepare()  local
492     removeUnconditionalBranch(curBlk);  in prepare()
493     removeRedundantConditionalBranch(curBlk);  in prepare()
494     if (CFGTraits::isReturnBlock(curBlk)) {  in prepare()
495       retBlks.push_back(curBlk);  in prepare()
497     assert(curBlk->succ_size() <= 2);  in prepare()
565   BlockT *curBlk;  in run()  local
590       curBlk = *iterBlk;  in run()
594         sccBeginBlk = curBlk;  in run()
603       if (!isRetiredBlock(curBlk)) {  in run()
604         patternMatch(curBlk);  in run()
617             errs() << "Can't reduce SCC " << getSCCNum(curBlk)  in run()
627             errs() << "repeat processing SCC" << getSCCNum(curBlk)  in run()
752 template<class PassT> int CFGStructurizer<PassT>::patternMatch(BlockT *curBlk) {  in patternMatch()  argument
757         errs() << "Begin patternMatch BB" << curBlk->getNumber() << "\n";  in patternMatch()
760   while ((curMatch = patternMatchGroup(curBlk)) > 0) {  in patternMatch()
765         errs() << "End patternMatch BB" << curBlk->getNumber()  in patternMatch()
773 int CFGStructurizer<PassT>::patternMatchGroup(BlockT *curBlk) {  in patternMatchGroup()  argument
775   numMatch += serialPatternMatch(curBlk);  in patternMatchGroup()
776   numMatch += ifPatternMatch(curBlk);  in patternMatchGroup()
778   numMatch += loopendPatternMatch(curBlk);  in patternMatchGroup()
779   numMatch += loopPatternMatch(curBlk);  in patternMatchGroup()
784 int CFGStructurizer<PassT>::serialPatternMatch(BlockT *curBlk) {  in serialPatternMatch()  argument
785   if (curBlk->succ_size() != 1) {  in serialPatternMatch()
789   BlockT *childBlk = *curBlk->succ_begin();  in serialPatternMatch()
794   mergeSerialBlock(curBlk, childBlk);  in serialPatternMatch()
800 int CFGStructurizer<PassT>::ifPatternMatch(BlockT *curBlk) {  in ifPatternMatch()  argument
802   if (curBlk->succ_size() != 2) {  in ifPatternMatch()
806   if (hasBackEdge(curBlk)) {  in ifPatternMatch()
810   InstrT *branchInstr = CFGTraits::getNormalBlockBranchInstr(curBlk);  in ifPatternMatch()
818   BlockT *falseBlk = CFGTraits::getFalseBranch(curBlk, branchInstr);  in ifPatternMatch()
842     return handleJumpintoIf(curBlk, trueBlk, falseBlk);  in ifPatternMatch()
851      cloned += improveSimpleJumpintoIf(curBlk, trueBlk, falseBlk, &landBlk);  in ifPatternMatch()
855     trueBlk = cloneBlockForPredecessor(trueBlk, curBlk);  in ifPatternMatch()
860     falseBlk = cloneBlockForPredecessor(falseBlk, curBlk);  in ifPatternMatch()
864   mergeIfthenelseBlock(branchInstr, curBlk, trueBlk, falseBlk, landBlk);  in ifPatternMatch()
874 int CFGStructurizer<PassT>::switchPatternMatch(BlockT *curBlk) {  in switchPatternMatch()  argument
879 int CFGStructurizer<PassT>::loopendPatternMatch(BlockT *curBlk) {  in loopendPatternMatch()  argument
880   LoopT *loopRep = loopInfo->getLoopFor(curBlk);  in loopendPatternMatch()
919 int CFGStructurizer<PassT>::loopPatternMatch(BlockT *curBlk) {  in loopPatternMatch()  argument
920   if (curBlk->succ_size() != 0) {  in loopPatternMatch()
925   LoopT *loopRep = loopInfo->getLoopFor(curBlk);  in loopPatternMatch()
926   while (loopRep && loopRep->getHeader() == curBlk) {  in loopPatternMatch()
932         mergeLooplandBlock(curBlk, loopLand);  in loopPatternMatch()
1130     BlockT *curBlk = *iter;  in loopcontPatternMatch()  local
1131     if (loopRep->contains(curBlk)) {  in loopcontPatternMatch()
1132       handleLoopcontBlock(curBlk, loopInfo->getLoopFor(curBlk),  in loopcontPatternMatch()
1134       contBlk.push_back(curBlk);  in loopcontPatternMatch()
1422       BlockT *curBlk = *predIter;  in improveSimpleJumpintoIf()  local
1423       if (curBlk != trueBlk && curBlk != falseBlk) {  in improveSimpleJumpintoIf()
1424         CFGTraits::insertAssignInstrBefore(curBlk, passRep, initReg, 2);  in improveSimpleJumpintoIf()
1520                                                   BlockT *curBlk,  in mergeIfthenelseBlock()  argument
1525     errs() << "ifPattern BB" << curBlk->getNumber();  in mergeIfthenelseBlock()
1557     CFGTraits::getInstrPos(curBlk, branchInstr);  in mergeIfthenelseBlock()
1564     curBlk->splice(branchInstrPos, trueBlk, FirstNonDebugInstr(trueBlk), trueBlk->end());  in mergeIfthenelseBlock()
1565     curBlk->removeSuccessor(trueBlk);  in mergeIfthenelseBlock()
1569     retireBlock(curBlk, trueBlk);  in mergeIfthenelseBlock()
1574     curBlk->splice(branchInstrPos, falseBlk, FirstNonDebugInstr(falseBlk),  in mergeIfthenelseBlock()
1576     curBlk->removeSuccessor(falseBlk);  in mergeIfthenelseBlock()
1580     retireBlock(curBlk, falseBlk);  in mergeIfthenelseBlock()
1588     curBlk->addSuccessor(landBlk);  in mergeIfthenelseBlock()
2083 CFGStructurizer<PassT>::cloneBlockForPredecessor(BlockT *curBlk,  in cloneBlockForPredecessor()  argument
2085   assert(predBlk->isSuccessor(curBlk) &&  in cloneBlockForPredecessor()
2088   BlockT *cloneBlk = CFGTraits::clone(curBlk);  //clone instructions  in cloneBlockForPredecessor()
2089   CFGTraits::replaceInstrUseOfBlockWith(predBlk, curBlk, cloneBlk);  in cloneBlockForPredecessor()
2092   predBlk->removeSuccessor(curBlk);  in cloneBlockForPredecessor()
2096   CFGTraits::cloneSuccessorList(cloneBlk, curBlk);  in cloneBlockForPredecessor()
2098   numClonedInstr += curBlk->size();  in cloneBlockForPredecessor()
2102            << curBlk->getNumber() << "size " << curBlk->size() << "\n";  in cloneBlockForPredecessor()
2119     BlockT *curBlk = *iterSucc;  in exitingBlock2ExitBlock()  local
2120     if (!loopRep->contains(curBlk)) {  in exitingBlock2ExitBlock()
2122       exitBlk = curBlk;  in exitingBlock2ExitBlock()
2256     BlockT *curBlk = *iter;  in addDummyExitBlock()  local
2257     InstrT *curInstr = CFGTraits::getReturnInstr(curBlk);  in addDummyExitBlock()
2262     if (curBlk->size()==0 && curBlk->pred_size() == 1) {  in addDummyExitBlock()
2264         errs() << "Replace empty block BB" <<  curBlk->getNumber()  in addDummyExitBlock()
2267       BlockT *predb = *curBlk->pred_begin();  in addDummyExitBlock()
2268       predb->removeSuccessor(curBlk);  in addDummyExitBlock()
2269       curBlk = predb;  in addDummyExitBlock()
2272     curBlk->addSuccessor(dummyExitBlk);  in addDummyExitBlock()
2274       errs() << "Add dummyExitBlock to BB" << curBlk->getNumber()  in addDummyExitBlock()
2332 bool CFGStructurizer<PassT>::isActiveLoophead(BlockT *curBlk) {  in isActiveLoophead()  argument
2333   LoopT *loopRep = loopInfo->getLoopFor(curBlk);  in isActiveLoophead()
2334   while (loopRep && loopRep->getHeader() == curBlk) {  in isActiveLoophead()
2377     BlockT *curBlk = *predIter;  in recordLoopLandBlock()  local
2378     if (loopRep->contains(curBlk) || exitBlkSet.count(curBlk)) {  in recordLoopLandBlock()
2379       inpathBlks.push_back(curBlk);  in recordLoopLandBlock()
2393       BlockT *curBlk = *iter;  in recordLoopLandBlock()  local
2394       CFGTraits::replaceInstrUseOfBlockWith(curBlk, landBlk, newLandBlk);  in recordLoopLandBlock()
2396       curBlk->removeSuccessor(landBlk);  in recordLoopLandBlock()
2397       curBlk->addSuccessor(newLandBlk);  in recordLoopLandBlock()
2537 bool CFGStructurizer<PassT>::hasBackEdge(BlockT *curBlk) {  in hasBackEdge()  argument
2538   LoopT *loopRep = loopInfo->getLoopFor(curBlk);  in hasBackEdge()
2544   return curBlk->isSuccessor(loopHeader);  in hasBackEdge()
2616     BlockT *curBlk = *iter;  in findNearestCommonPostDom()  local
2617     if (curBlk != commonDom) {  in findNearestCommonPostDom()
2618       commonDom = findNearestCommonPostDom(curBlk, commonDom);  in findNearestCommonPostDom()