class Legalizer;
class MachineRegisterInfo;
class GISelChangeObserver;
+class TargetLowering;
class LegalizerHelper {
public:
private:
MachineRegisterInfo &MRI;
const LegalizerInfo &LI;
+ const TargetLowering &TLI;
public:
enum LegalizeResult {
/// Expose LegalizerInfo so the clients can re-use.
const LegalizerInfo &getLegalizerInfo() const { return LI; }
+ const TargetLowering &getTargetLowering() const { return TLI; }
LegalizerHelper(MachineFunction &MF, GISelChangeObserver &Observer,
MachineIRBuilder &B);
GISelChangeObserver &Observer,
MachineIRBuilder &Builder)
: MIRBuilder(Builder), Observer(Observer), MRI(MF.getRegInfo()),
- LI(*MF.getSubtarget().getLegalizerInfo()) {
+ LI(*MF.getSubtarget().getLegalizerInfo()),
+ TLI(*MF.getSubtarget().getTargetLowering()) {
MIRBuilder.setChangeObserver(Observer);
}
LegalizerHelper::LegalizerHelper(MachineFunction &MF, const LegalizerInfo &LI,
GISelChangeObserver &Observer,
MachineIRBuilder &B)
- : MIRBuilder(B), Observer(Observer), MRI(MF.getRegInfo()), LI(LI) {
+ : MIRBuilder(B), Observer(Observer), MRI(MF.getRegInfo()), LI(LI),
+ TLI(*MF.getSubtarget().getTargetLowering()) {
MIRBuilder.setChangeObserver(Observer);
}
LegalizerHelper::LegalizeResult
LLT PtrTy = MRI.getType(Dst);
LLT IntPtrTy = LLT::scalar(PtrTy.getSizeInBits());
- const auto &TLI = *MF.getSubtarget().getTargetLowering();
Register SPReg = TLI.getStackPointerRegisterToSaveRestore();
auto SPTmp = MIRBuilder.buildCopy(PtrTy, SPReg);
SPTmp = MIRBuilder.buildCast(IntPtrTy, SPTmp);
LegalizerHelper::LegalizeResult
LegalizerHelper::lowerReadWriteRegister(MachineInstr &MI) {
MachineFunction &MF = MIRBuilder.getMF();
- const TargetSubtargetInfo &STI = MF.getSubtarget();
- const TargetLowering *TLI = STI.getTargetLowering();
bool IsRead = MI.getOpcode() == TargetOpcode::G_READ_REGISTER;
int NameOpIdx = IsRead ? 1 : 0;
const MDString *RegStr = cast<MDString>(
cast<MDNode>(MI.getOperand(NameOpIdx).getMetadata())->getOperand(0));
- Register PhysReg = TLI->getRegisterByName(RegStr->getString().data(), Ty, MF);
+ Register PhysReg = TLI.getRegisterByName(RegStr->getString().data(), Ty, MF);
if (!PhysReg.isValid())
return UnableToLegalize;