237     static bool replaceReg(Register OldR, Register NewR,
241     static bool replaceRegWithSub(Register OldR, Register NewR, unsigned NewSR,
243     static bool replaceSubWithSub(Register OldR, unsigned OldSR, Register NewR,
383 bool HexagonBitSimplify::replaceReg(Register OldR, Register NewR,  in replaceReg()  argument
385   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceReg()
391     I->setReg(NewR);  in replaceReg()
396 bool HexagonBitSimplify::replaceRegWithSub(Register OldR, Register NewR,  in replaceRegWithSub()  argument
399   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceRegWithSub()
407     I->setReg(NewR);  in replaceRegWithSub()
414                                            Register NewR, unsigned NewSR,  in replaceSubWithSub()  argument
416   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceSubWithSub()
426     I->setReg(NewR);  in replaceSubWithSub()
1374       Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1376           BuildMI(B, At, DL, HII.get(TargetOpcode::COPY), NewR)  in processBlock()
1378       HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in processBlock()
1645         Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1646         BuildMI(B, At, DL, HII.get(TargetOpcode::COPY), NewR)  in processBlock()
1648         BT.put(BitTracker::RegisterRef(NewR), BT.get(MR));  in processBlock()
1649         HBS::replaceReg(R, NewR, MRI);  in processBlock()
1664           Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1665           BuildMI(B, At, DL, HII.get(TargetOpcode::REG_SEQUENCE), NewR)  in processBlock()
1670           BT.put(BitTracker::RegisterRef(NewR), BT.get(R));  in processBlock()
1671           HBS::replaceReg(R, NewR, MRI);  in processBlock()
2062   Register NewR = MRI.createVirtualRegister(&Hexagon::DoubleRegsRegClass);  in genPackhl()  local
2066   BuildMI(B, At, DL, HII.get(Hexagon::S2_packhl), NewR)  in genPackhl()
2069   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genPackhl()
2070   BT.put(BitTracker::RegisterRef(NewR), RC);  in genPackhl()
2089   unsigned NewR = 0;  in genExtractHalf()  local
2094       NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractHalf()
2095       BuildMI(B, At, DL, HII.get(Hexagon::A2_zxth), NewR)  in genExtractHalf()
2100       NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractHalf()
2101       BuildMI(B, MI, DL, HII.get(Hexagon::S2_lsr_i_r), NewR)  in genExtractHalf()
2106   if (NewR == 0)  in genExtractHalf()
2108   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractHalf()
2109   BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractHalf()
2134   Register NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genCombineHalf()  local
2137   BuildMI(B, At, DL, HII.get(COpc), NewR)  in genCombineHalf()
2140   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genCombineHalf()
2141   BT.put(BitTracker::RegisterRef(NewR), RC);  in genCombineHalf()
2191     Register NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractLow()  local
2194     auto MIB = BuildMI(B, At, DL, HII.get(NewOpc), NewR)  in genExtractLow()
2200     HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractLow()
2201     BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractLow()
2313     unsigned NewR = 0;  in genBitSplit()  local
2331       NewR = Op0.getReg();  in genBitSplit()
2334     if (!NewR) {  in genBitSplit()
2335       NewR = MRI.createVirtualRegister(&Hexagon::DoubleRegsRegClass);  in genBitSplit()
2336       auto NewBS = BuildMI(B, At, DL, HII.get(Hexagon::A4_bitspliti), NewR)  in genBitSplit()
2342       HBS::replaceRegWithSub(RD.Reg, NewR, Hexagon::isub_lo, MRI);  in genBitSplit()
2343       HBS::replaceRegWithSub(S,      NewR, Hexagon::isub_hi, MRI);  in genBitSplit()
2345       HBS::replaceRegWithSub(S,      NewR, Hexagon::isub_lo, MRI);  in genBitSplit()
2346       HBS::replaceRegWithSub(RD.Reg, NewR, Hexagon::isub_hi, MRI);  in genBitSplit()
2396       Register NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);  in simplifyTstbit()  local
2397       BuildMI(B, At, DL, HII.get(Hexagon::S2_tstbit_i), NewR)  in simplifyTstbit()
2400       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2401       BT.put(NewR, RC);  in simplifyTstbit()
2405     Register NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);  in simplifyTstbit()  local
2407     BuildMI(B, At, DL, HII.get(NewOpc), NewR);  in simplifyTstbit()
2408     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2578     Register NewR = MRI.createVirtualRegister(FRC);  in simplifyExtractLow()  local
2581     auto MIB = BuildMI(B, At, DL, HII.get(ExtOpc), NewR)  in simplifyExtractLow()
2603     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyExtractLow()
2604     BT.put(BitTracker::RegisterRef(NewR), RC);  in simplifyExtractLow()
2650     Register NewR = MRI.createVirtualRegister(FRC);  in simplifyRCmp0()  local
2651     BuildMI(B, At, DL, HII.get(Hexagon::A2_tfrsi), NewR)  in simplifyRCmp0()
2653     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyRCmp0()
2659     BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()
2715       Register NewR = MRI.createVirtualRegister(FRC);  in simplifyRCmp0()  local
2716       BuildMI(B, At, DL, HII.get(Hexagon::C2_muxii), NewR)  in simplifyRCmp0()
2720       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyRCmp0()
2725       BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()