lib/CodeGen/IfConversion.cpp

1026   BBInfo *CvtBBI = &TrueBBI;
1031     std::swap(CvtBBI, NextBBI);
1033   if (CvtBBI->IsDone ||
1034       (CvtBBI->CannotBeCopied && CvtBBI->BB->pred_size() > 1)) {
1037     CvtBBI->IsAnalyzed = false;
1041   if (CvtBBI->BB->hasAddressTaken())
1052   Redefs.addLiveIns(CvtBBI->BB, *TRI);
1060   if (CvtBBI->BB->pred_size() > 1) {
1064     CopyAndPredicateBlock(BBI, *CvtBBI, Cond);
1067     // explicitly remove CvtBBI as a successor.
1068     BBI.BB->removeSuccessor(CvtBBI->BB);
1070     RemoveKills(CvtBBI->BB->begin(), CvtBBI->BB->end(), DontKill, *TRI);
1071     PredicateBlock(*CvtBBI, CvtBBI->BB->end(), Cond);
1075     MergeBlocks(BBI, *CvtBBI);
1101   CvtBBI->IsDone = true;
1112   BBInfo *CvtBBI = &TrueBBI;
1118     std::swap(CvtBBI, NextBBI);
1120   if (CvtBBI->IsDone ||
1121       (CvtBBI->CannotBeCopied && CvtBBI->BB->pred_size() > 1)) {
1124     CvtBBI->IsAnalyzed = false;
1128   if (CvtBBI->BB->hasAddressTaken())
1137     if (ReverseBranchCondition(*CvtBBI)) {
1140       for (MachineBasicBlock::pred_iterator PI = CvtBBI->BB->pred_begin(),
1141              E = CvtBBI->BB->pred_end(); PI != E; ++PI) {
1157   Redefs.addLiveIns(CvtBBI->BB, *TRI);
1162   bool HasEarlyExit = CvtBBI->FalseBB != NULL;
1163   if (CvtBBI->BB->pred_size() > 1) {
1167     CopyAndPredicateBlock(BBI, *CvtBBI, Cond, true);
1170     // explicitly remove CvtBBI as a successor.
1171     BBI.BB->removeSuccessor(CvtBBI->BB);
1174     CvtBBI->NonPredSize -= TII->RemoveBranch(*CvtBBI->BB);
1175     PredicateBlock(*CvtBBI, CvtBBI->BB->end(), Cond);
1179     MergeBlocks(BBI, *CvtBBI, false);
1184     SmallVector<MachineOperand, 4> RevCond(CvtBBI->BrCond.begin(),
1185                                            CvtBBI->BrCond.end());
1188     TII->InsertBranch(*BBI.BB, CvtBBI->FalseBB, NULL, RevCond, dl);
1189     BBI.BB->addSuccessor(CvtBBI->FalseBB);
1221   CvtBBI->IsDone = true;