517     PHIInfo &PI = PHIs.back();  in canConvertIf()  local
519     for (unsigned i = 1; i != PI.PHI->getNumOperands(); i += 2) {  in canConvertIf()
520       if (PI.PHI->getOperand(i+1).getMBB() == TPred)  in canConvertIf()
521         PI.TReg = PI.PHI->getOperand(i).getReg();  in canConvertIf()
522       if (PI.PHI->getOperand(i+1).getMBB() == FPred)  in canConvertIf()
523         PI.FReg = PI.PHI->getOperand(i).getReg();  in canConvertIf()
525     assert(Register::isVirtualRegister(PI.TReg) && "Bad PHI");  in canConvertIf()
526     assert(Register::isVirtualRegister(PI.FReg) && "Bad PHI");  in canConvertIf()
529     if (!TII->canInsertSelect(*Head, Cond, PI.PHI->getOperand(0).getReg(),  in canConvertIf()
530                               PI.TReg, PI.FReg, PI.CondCycles, PI.TCycles,  in canConvertIf()
531                               PI.FCycles)) {  in canConvertIf()
532       LLVM_DEBUG(dbgs() << "Can't convert: " << *PI.PHI);  in canConvertIf()
620   for (PHIInfo &PI : PHIs) {  in replacePHIInstrs()
621     LLVM_DEBUG(dbgs() << "If-converting " << *PI.PHI);  in replacePHIInstrs()
622     Register DstReg = PI.PHI->getOperand(0).getReg();  in replacePHIInstrs()
623     if (hasSameValue(*MRI, TII, PI.TReg, PI.FReg)) {  in replacePHIInstrs()
627           .addReg(PI.TReg);  in replacePHIInstrs()
629       TII->insertSelect(*Head, FirstTerm, HeadDL, DstReg, Cond, PI.TReg,  in replacePHIInstrs()
630                         PI.FReg);  in replacePHIInstrs()
633     PI.PHI->eraseFromParent();  in replacePHIInstrs()
634     PI.PHI = nullptr;  in replacePHIInstrs()
647   for (PHIInfo &PI : PHIs) {  in rewritePHIOperands()
650     LLVM_DEBUG(dbgs() << "If-converting " << *PI.PHI);  in rewritePHIOperands()
651     if (hasSameValue(*MRI, TII, PI.TReg, PI.FReg)) {  in rewritePHIOperands()
654       DstReg = PI.TReg;  in rewritePHIOperands()
656       Register PHIDst = PI.PHI->getOperand(0).getReg();  in rewritePHIOperands()
659                          DstReg, Cond, PI.TReg, PI.FReg);  in rewritePHIOperands()
664     for (unsigned i = PI.PHI->getNumOperands(); i != 1; i -= 2) {  in rewritePHIOperands()
665       MachineBasicBlock *MBB = PI.PHI->getOperand(i-1).getMBB();  in rewritePHIOperands()
667         PI.PHI->getOperand(i-1).setMBB(Head);  in rewritePHIOperands()
668         PI.PHI->getOperand(i-2).setReg(DstReg);  in rewritePHIOperands()
670         PI.PHI->removeOperand(i-1);  in rewritePHIOperands()
671         PI.PHI->removeOperand(i-2);  in rewritePHIOperands()
674     LLVM_DEBUG(dbgs() << "          --> " << *PI.PHI);  in rewritePHIOperands()
963   for (SSAIfConv::PHIInfo &PI : IfConv.PHIs) {  in shouldConvertIf()
964     unsigned Slack = TailTrace.getInstrSlack(*PI.PHI);  in shouldConvertIf()
965     unsigned MaxDepth = Slack + TailTrace.getInstrCycles(*PI.PHI).Depth;  in shouldConvertIf()
966     LLVM_DEBUG(dbgs() << "Slack " << Slack << ":\t" << *PI.PHI);  in shouldConvertIf()
969     unsigned CondDepth = adjCycles(BranchDepth, PI.CondCycles);  in shouldConvertIf()
982     unsigned TDepth = adjCycles(TBBTrace.getPHIDepth(*PI.PHI), PI.TCycles);  in shouldConvertIf()
995     unsigned FDepth = adjCycles(FBBTrace.getPHIDepth(*PI.PHI), PI.FCycles);  in shouldConvertIf()