Target/PowerPC/PPCReduceCRLogicals.cpp

389   bool splitBlockOnBinaryCROp(CRLogicalOpInfo &CRI);
586   CRLogicalOpInfo CRI = AllCRLogicalOps[Idx];
587   if (CRI.IsBinary && CRI.ContainedInBlock && CRI.SingleUse && CRI.FeedsBR &&
588       CRI.DefsSingleUse) {
589     Changed = splitBlockOnBinaryCROp(CRI);
613 bool PPCReduceCRLogicals::splitBlockOnBinaryCROp(CRLogicalOpInfo &CRI) {
614   if (CRI.CopyDefs.first == CRI.CopyDefs.second) {
619   if (CRI.TrueDefs.first->isCopy() || CRI.TrueDefs.second->isCopy() ||
620       CRI.TrueDefs.first->isPHI() || CRI.TrueDefs.second->isPHI()) {
628   if (CRI.MI->getOpcode() != PPC::CROR &&
629       CRI.MI->getOpcode() != PPC::CRAND &&
630       CRI.MI->getOpcode() != PPC::CRNOR &&
631       CRI.MI->getOpcode() != PPC::CRNAND &&
632       CRI.MI->getOpcode() != PPC::CRORC &&
633       CRI.MI->getOpcode() != PPC::CRANDC) {
638   LLVM_DEBUG(dbgs() << "Splitting the following CR op:\n"; CRI.dump());
639   MachineBasicBlock::iterator Def1It = CRI.TrueDefs.first;
640   MachineBasicBlock::iterator Def2It = CRI.TrueDefs.second;
644   for (auto E = CRI.MI->getParent()->end(); Def2It != E; ++Def2It) {
653   LLVM_DEBUG(CRI.MI->getParent()->dump());
658     MRI->use_nodbg_begin(CRI.MI->getOperand(0).getReg())->getParent();
667     UsingDef1 ? CRI.TrueDefs.first : CRI.TrueDefs.second;
669     UsingDef1 ? CRI.CopyDefs.first : CRI.CopyDefs.second;
678   MBB->splice(FirstTerminator, MBB, CRI.MI);
680   unsigned Opc = CRI.MI->getOpcode();
686     UsingDef1 ? CRI.CopyDefs.second : CRI.CopyDefs.first;
693     InvertOrigBranch, TargetIsFallThrough, MBPI, CRI.MI,
694     UsingDef1 ? CRI.CopyDefs.first : CRI.CopyDefs.second };
700       CRI.TrueDefs.first && isCRLogical(*CRI.TrueDefs.first);
702       CRI.TrueDefs.second && isCRLogical(*CRI.TrueDefs.second);
704       AllCRLogicalOps.push_back(createCRLogicalOpInfo(*CRI.TrueDefs.first));
706       AllCRLogicalOps.push_back(createCRLogicalOpInfo(*CRI.TrueDefs.second));