209     static bool replaceReg(Register OldR, Register NewR,
213     static bool replaceRegWithSub(Register OldR, Register NewR, unsigned NewSR,
215     static bool replaceSubWithSub(Register OldR, unsigned OldSR, Register NewR,
355 bool HexagonBitSimplify::replaceReg(Register OldR, Register NewR,  in replaceReg()  argument
357   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceReg()
363     I->setReg(NewR);  in replaceReg()
368 bool HexagonBitSimplify::replaceRegWithSub(Register OldR, Register NewR,  in replaceRegWithSub()  argument
371   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceRegWithSub()
379     I->setReg(NewR);  in replaceRegWithSub()
386                                            Register NewR, unsigned NewSR,  in replaceSubWithSub()  argument
388   if (!OldR.isVirtual() || !NewR.isVirtual())  in replaceSubWithSub()
398     I->setReg(NewR);  in replaceSubWithSub()
1347       Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1349           BuildMI(B, At, DL, HII.get(TargetOpcode::COPY), NewR)  in processBlock()
1351       HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in processBlock()
1620         Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1621         BuildMI(B, At, DL, HII.get(TargetOpcode::COPY), NewR)  in processBlock()
1623         BT.put(BitTracker::RegisterRef(NewR), BT.get(MR));  in processBlock()
1624         HBS::replaceReg(R, NewR, MRI);  in processBlock()
1639           Register NewR = MRI.createVirtualRegister(FRC);  in processBlock()  local
1640           BuildMI(B, At, DL, HII.get(TargetOpcode::REG_SEQUENCE), NewR)  in processBlock()
1645           BT.put(BitTracker::RegisterRef(NewR), BT.get(R));  in processBlock()
1646           HBS::replaceReg(R, NewR, MRI);  in processBlock()
2036   Register NewR = MRI.createVirtualRegister(&Hexagon::DoubleRegsRegClass);  in genPackhl()  local
2040   BuildMI(B, At, DL, HII.get(Hexagon::S2_packhl), NewR)  in genPackhl()
2043   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genPackhl()
2044   BT.put(BitTracker::RegisterRef(NewR), RC);  in genPackhl()
2063   unsigned NewR = 0;  in genExtractHalf()  local
2068       NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractHalf()
2069       BuildMI(B, At, DL, HII.get(Hexagon::A2_zxth), NewR)  in genExtractHalf()
2074       NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractHalf()
2075       BuildMI(B, MI, DL, HII.get(Hexagon::S2_lsr_i_r), NewR)  in genExtractHalf()
2080   if (NewR == 0)  in genExtractHalf()
2082   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractHalf()
2083   BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractHalf()
2108   Register NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genCombineHalf()  local
2111   BuildMI(B, At, DL, HII.get(COpc), NewR)  in genCombineHalf()
2114   HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genCombineHalf()
2115   BT.put(BitTracker::RegisterRef(NewR), RC);  in genCombineHalf()
2165     Register NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);  in genExtractLow()  local
2168     auto MIB = BuildMI(B, At, DL, HII.get(NewOpc), NewR)  in genExtractLow()
2174     HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);  in genExtractLow()
2175     BT.put(BitTracker::RegisterRef(NewR), RC);  in genExtractLow()
2287     unsigned NewR = 0;  in genBitSplit()  local
2305       NewR = Op0.getReg();  in genBitSplit()
2308     if (!NewR) {  in genBitSplit()
2309       NewR = MRI.createVirtualRegister(&Hexagon::DoubleRegsRegClass);  in genBitSplit()
2310       auto NewBS = BuildMI(B, At, DL, HII.get(Hexagon::A4_bitspliti), NewR)  in genBitSplit()
2316       HBS::replaceRegWithSub(RD.Reg, NewR, Hexagon::isub_lo, MRI);  in genBitSplit()
2317       HBS::replaceRegWithSub(S,      NewR, Hexagon::isub_hi, MRI);  in genBitSplit()
2319       HBS::replaceRegWithSub(S,      NewR, Hexagon::isub_lo, MRI);  in genBitSplit()
2320       HBS::replaceRegWithSub(RD.Reg, NewR, Hexagon::isub_hi, MRI);  in genBitSplit()
2370       Register NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);  in simplifyTstbit()  local
2371       BuildMI(B, At, DL, HII.get(Hexagon::S2_tstbit_i), NewR)  in simplifyTstbit()
2374       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2375       BT.put(NewR, RC);  in simplifyTstbit()
2379     Register NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);  in simplifyTstbit()  local
2381     BuildMI(B, At, DL, HII.get(NewOpc), NewR);  in simplifyTstbit()
2382     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyTstbit()
2552     Register NewR = MRI.createVirtualRegister(FRC);  in simplifyExtractLow()  local
2555     auto MIB = BuildMI(B, At, DL, HII.get(ExtOpc), NewR)  in simplifyExtractLow()
2577     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyExtractLow()
2578     BT.put(BitTracker::RegisterRef(NewR), RC);  in simplifyExtractLow()
2624     Register NewR = MRI.createVirtualRegister(FRC);  in simplifyRCmp0()  local
2625     BuildMI(B, At, DL, HII.get(Hexagon::A2_tfrsi), NewR)  in simplifyRCmp0()
2627     HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyRCmp0()
2633     BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()
2689       Register NewR = MRI.createVirtualRegister(FRC);  in simplifyRCmp0()  local
2690       BuildMI(B, At, DL, HII.get(Hexagon::C2_muxii), NewR)  in simplifyRCmp0()
2694       HBS::replaceReg(RD.Reg, NewR, MRI);  in simplifyRCmp0()
2699       BT.put(BitTracker::RegisterRef(NewR), NewRC);  in simplifyRCmp0()