if (!BT.has(RD.Reg))
continue;
const BitTracker::RegisterCell &DC = BT.lookup(RD.Reg);
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
// Find a source operand that is equal to the result.
for (auto &Op : MI->uses()) {
DebugLoc DL = MI->getDebugLoc();
const TargetRegisterClass *FRC = HBS::getFinalVRegClass(RD, MRI);
unsigned NewR = MRI.createVirtualRegister(FRC);
- BuildMI(B, I, DL, HII.get(TargetOpcode::COPY), NewR)
+ BuildMI(B, At, DL, HII.get(TargetOpcode::COPY), NewR)
.addReg(RS.Reg, 0, RS.Sub);
HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);
BT.put(BitTracker::RegisterRef(NewR), SC);
MachineBasicBlock &B = *MI->getParent();
unsigned NewR = MRI.createVirtualRegister(&Hexagon::DoubleRegsRegClass);
DebugLoc DL = MI->getDebugLoc();
- BuildMI(B, MI, DL, HII.get(Hexagon::S2_packhl), NewR)
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
+ BuildMI(B, At, DL, HII.get(Hexagon::S2_packhl), NewR)
.addReg(Rs.Reg, 0, Rs.Sub)
.addReg(Rt.Reg, 0, Rt.Sub);
HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);
// Prefer zxth, since zxth can go in any slot, while extractu only in
// slots 2 and 3.
unsigned NewR = 0;
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
if (L.Low && Opc != Hexagon::A2_zxth) {
NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);
- BuildMI(B, MI, DL, HII.get(Hexagon::A2_zxth), NewR)
+ BuildMI(B, At, DL, HII.get(Hexagon::A2_zxth), NewR)
.addReg(L.Reg, 0, L.Sub);
} else if (!L.Low && Opc != Hexagon::S2_extractu) {
NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);
MachineBasicBlock &B = *MI->getParent();
DebugLoc DL = MI->getDebugLoc();
unsigned NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);
- BuildMI(B, MI, DL, HII.get(COpc), NewR)
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
+ BuildMI(B, At, DL, HII.get(COpc), NewR)
.addReg(H.Reg, 0, H.Sub)
.addReg(L.Reg, 0, L.Sub);
HBS::replaceSubWithSub(RD.Reg, RD.Sub, NewR, 0, MRI);
continue;
unsigned NewR = MRI.createVirtualRegister(&Hexagon::IntRegsRegClass);
- auto MIB = BuildMI(B, MI, DL, HII.get(NewOpc), NewR)
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
+ auto MIB = BuildMI(B, At, DL, HII.get(NewOpc), NewR)
.addReg(RS.Reg, 0, RS.Sub);
if (NewOpc == Hexagon::A2_andir)
MIB.addImm((1 << W) - 1);
if (!BT.has(RS.Reg) || !HBS::getSubregMask(RS, F, W, MRI))
return false;
MachineBasicBlock &B = *MI->getParent();
+ auto At = MI->isPHI() ? B.getFirstNonPHI()
+ : MachineBasicBlock::iterator(MI);
const BitTracker::RegisterCell &SC = BT.lookup(RS.Reg);
const BitTracker::BitValue &V = SC[F+BN];
}
if (P != UINT_MAX) {
unsigned NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);
- BuildMI(B, MI, DL, HII.get(Hexagon::S2_tstbit_i), NewR)
+ BuildMI(B, At, DL, HII.get(Hexagon::S2_tstbit_i), NewR)
.addReg(RR.Reg, 0, RR.Sub)
.addImm(P);
HBS::replaceReg(RD.Reg, NewR, MRI);
} else if (V.is(0) || V.is(1)) {
unsigned NewR = MRI.createVirtualRegister(&Hexagon::PredRegsRegClass);
unsigned NewOpc = V.is(0) ? Hexagon::TFR_PdFalse : Hexagon::TFR_PdTrue;
- BuildMI(B, MI, DL, HII.get(NewOpc), NewR);
+ BuildMI(B, At, DL, HII.get(NewOpc), NewR);
HBS::replaceReg(RD.Reg, NewR, MRI);
return true;
}